/* ================================================================
   chapterworm — Theme CSS
   Single source of truth for the chapterbloom design system.
   Built from chapterworm-style-guide.html v1.0 as the reference.

   Layers (in order):
     1. Tokens (CSS custom properties)
     2. Base reset + typography
     3. Layout primitives (header offset, container)
     4. Components (buttons, forms, badges, cards, alerts, ...)
     5. Patterns (search, navbar, cart-item, pagination, footer, ...)
     6. Page-specific bridges (shop filter, product detail, checkout, ...)
     7. Bootstrap harmonization (forces tokens onto bs- classes)
     8. Utilities, motion, a11y, dark mode, responsive
   ================================================================ */

/* ================================================================
   1. DESIGN TOKENS
   ================================================================ */
:root {
  /* Brand */
  --navy: #00214F;
  --navy-80: #1A3A68;
  --navy-60: #345080;
  --navy-20: #C6D3E8;
  --navy-10: #E3E9F4;
  --navy-05: #F1F4FA;

  --orange: #FD8214;
  --orange-80: #FD9A43;
  --orange-60: #FEB372;
  --orange-20: #FEDDBB;
  --orange-10: #FFF0E0;
  --orange-05: #FFF8F0;

  /* Text */
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --text-tertiary: #94A3B8;
  --text-on-navy: #FFFFFF;

  /* Surfaces */
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --surface-alt: #F1F5F9;

  /* Semantic */
  --success: #0D9488;
  --success-bg: #CCFBF1;
  --success-fg: #0f766e;
  --error: #E11D48;
  --error-bg: #FFE4E6;
  --error-fg: #be123c;
  --info: #0284C7;
  --info-bg: #E0F2FE;
  --info-fg: #0369a1;
  --warning: #FD8214;
  --warning-bg: #FFF7ED;
  --warning-fg: #c2410c;

  /* Typography — DM Sans everywhere (display tokens kept for compat) */
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'DM Mono', ui-monospace, Menlo, monospace;

  /* Spacing — 8px base */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 33, 79, 0.06);
  --shadow-sm: 0 2px 8px rgba(0, 33, 79, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 33, 79, 0.10);
  --shadow-lg: 0 8px 32px rgba(0, 33, 79, 0.12);
  --shadow-hover: 0 8px 24px rgba(0, 33, 79, 0.16);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 220ms;
  --duration-slow: 350ms;

  /* Borders */
  --border-color: rgba(30, 41, 59, 0.10);
  --border-color-hover: rgba(0, 33, 79, 0.22);
  --border: 1px solid var(--border-color);
  --border-hover: 1px solid var(--border-color-hover);

  /* Layout */
  --header-height: 127px;
  --header-height-mobile: 76px;
  --container-max: 1280px;

  /* Bootstrap bridge */
  --bs-primary: var(--navy);
  --bs-primary-rgb: 0, 33, 79;
  --bs-secondary: var(--text-secondary);
  --bs-secondary-rgb: 100, 116, 139;
  --bs-success: var(--success);
  --bs-success-rgb: 13, 148, 136;
  --bs-danger: var(--error);
  --bs-danger-rgb: 225, 29, 72;
  --bs-warning: var(--orange);
  --bs-warning-rgb: 253, 130, 20;
  --bs-info: var(--info);
  --bs-info-rgb: 2, 132, 199;
  --bs-light: var(--bg);
  --bs-dark: var(--navy);
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--text-primary);
  --bs-body-font-family: var(--font-body);
  --bs-border-color: var(--border-color);
  --bs-border-radius: var(--radius-md);
  --bs-border-radius-sm: var(--radius-sm);
  --bs-border-radius-lg: var(--radius-lg);
  --bs-link-color: var(--navy);
  --bs-link-hover-color: var(--orange);
  --bs-link-color-rgb: 0, 33, 79;
  --bs-link-hover-color-rgb: 253, 130, 20;
  --bs-focus-ring-color: rgba(253, 130, 20, 0.35);
}

/* ================================================================
   2. RESET & BASE
   ================================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg) !important;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--header-height);
  overflow-x: hidden;
  min-height: 100vh;
}

@media (max-width: 991.98px) {
  body {
    padding-top: 84px;
  }
}

@media (max-width: 767.98px) {
  body {
    padding-top: var(--header-height-mobile);
  }
}

main {
  min-height: calc(100vh - var(--header-height) - 200px);
}

img {
  max-width: 100%;
  height: auto;
}

/* Headings — Playfair display, navy */
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  font-family: var(--font-display);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 var(--space-3);
}

h1,
.h1 {
  font-size: clamp(1.875rem, 1.4rem + 1.8vw, 2.25rem);
}

/* 30→36 */
h2,
.h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.3vw, 1.75rem);
}

/* 24→28 */
h3,
.h3 {
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.375rem);
}

/* 20→22 */
h4,
.h4 {
  font-size: 1.125rem;
  font-weight: 600;
  font-family: var(--font-body);
}

h5,
.h5 {
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
}

h6,
.h6 {
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font-body);
}

a {
  color: var(--navy);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--orange);
}

::selection {
  background: var(--orange-20);
  color: var(--navy);
}

hr {
  border: 0;
  border-top: var(--border);
  margin: var(--space-6) 0;
  opacity: 1;
}

code,
pre,
kbd,
samp {
  font-family: var(--font-mono);
}

/* ================================================================
   3. TYPOGRAPHY UTILITIES (matches style guide tokens)
   ================================================================ */
.t-hero {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
}

.t-h1 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

.t-h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.t-h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.t-h4 {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

.t-body-lg {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-secondary);
}

.t-body {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
}

.t-small {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-tertiary);
}

.t-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.t-price {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--navy);
}

.text-muted {
  color: var(--text-secondary) !important;
}

.text-navy {
  color: var(--navy) !important;
}

.text-orange {
  color: var(--orange) !important;
}

/* ================================================================
   4a. BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--radius-md) !important;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
  white-space: nowrap;
  line-height: 1.25;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 14px;
}

.btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  box-shadow: none;
}

/* Sizes */
.btn-sm,
.btn-group-sm>.btn {
  font-size: 13px !important;
  padding: 7px 16px !important;
  min-height: 36px !important;
  border-radius: var(--radius-sm) !important;
}

.btn-md {
  font-size: 14px;
  padding: 10px 22px;
  min-height: 44px;
}

.btn-lg {
  font-size: 16px !important;
  padding: 14px 28px !important;
  min-height: 52px !important;
}

/* Primary — Navy */
.btn-primary,
.btn-primary:focus {
  background: var(--navy) !important;
  color: #fff !important;
  border-color: var(--navy) !important;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--navy-80) !important;
  border-color: var(--navy-80) !important;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary:active {
  background: var(--navy) !important;
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.btn-primary:disabled,
.btn-primary.disabled {
  background: var(--navy-60) !important;
  border-color: var(--navy-60) !important;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

/* CTA — Orange */
.btn-cta,
.btn-warning {
  background: var(--orange) !important;
  color: #fff !important;
  border-color: var(--orange) !important;
  box-shadow: 0 4px 14px rgba(253, 130, 20, 0.28);
}

.btn-cta:hover,
.btn-warning:hover {
  background: #e67412 !important;
  border-color: #e67412 !important;
  color: #fff !important;
  box-shadow: 0 6px 20px rgba(253, 130, 20, 0.38);
  transform: translateY(-1px);
}

.btn-cta:active,
.btn-warning:active {
  transform: translateY(0);
}

/* Outline */
.btn-outline,
.btn-outline-primary,
.btn-outline-primary:focus {
  background: transparent !important;
  color: var(--navy) !important;
  border: 1.5px solid var(--navy) !important;
  box-shadow: none;
}

.btn-outline:hover,
.btn-outline-primary:hover {
  background: var(--navy-05) !important;
  color: var(--navy) !important;
}

.btn-outline-primary:active {
  background: var(--navy-10) !important;
}

/* Outline on dark surface (hero, footer) */
.btn-outline-light {
  background: transparent !important;
  color: #fff !important;
  border: 1.5px solid rgba(255, 255, 255, 0.6) !important;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  border-color: #fff !important;
  color: #fff !important;
}

/* Ghost */
.btn-ghost,
.btn-light {
  background: transparent !important;
  color: var(--text-secondary) !important;
  border: var(--border) !important;
  box-shadow: none;
}

.btn-ghost:hover,
.btn-light:hover {
  background: var(--surface) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color-hover) !important;
}

/* Danger soft (style guide) */
.btn-danger,
.btn-outline-danger {
  background: var(--error-bg) !important;
  color: var(--error) !important;
  border: 1px solid rgba(225, 29, 72, 0.25) !important;
  box-shadow: none;
}

.btn-danger:hover,
.btn-outline-danger:hover {
  background: #ffcdd6 !important;
  color: var(--error) !important;
  border-color: rgba(225, 29, 72, 0.4) !important;
}

/* Success */
.btn-success {
  background: var(--success) !important;
  color: #fff !important;
  border-color: var(--success) !important;
}

/* Link button */
.btn-link {
  background: transparent !important;
  color: var(--navy) !important;
  border: none !important;
  min-height: auto;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
  box-shadow: none !important;
}

.btn-link:hover {
  color: var(--orange) !important;
}

.btn-link.btn-sm {
  min-height: auto;
  min-width: auto;
  padding: 0;
}

/* Icon-only button */
.btn-icon {
  width: 44px;
  min-width: 44px;
  height: 44px;
  padding: 0 !important;
  border-radius: var(--radius-md) !important;
  background: transparent;
  color: var(--text-secondary);
  border: var(--border);
  font-size: 1rem;
}

.btn-icon:hover {
  background: var(--surface);
  color: var(--navy);
  border-color: var(--border-color-hover);
}

/* Wishlist toggle */
.btn-wish {
  width: 40px;
  height: 40px;
  padding: 0 !important;
  border-radius: var(--radius-md) !important;
  background: var(--surface);
  color: var(--text-tertiary);
  border: var(--border);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out);
}

.btn-wish:hover {
  color: var(--error);
  border-color: rgba(225, 29, 72, 0.3);
}

.btn-wish.active {
  color: var(--error);
  border-color: rgba(225, 29, 72, 0.35);
  background: var(--error-bg);
}

.btn-full {
  width: 100%;
}

/* Disabled stripe */
.btn[disabled],
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Button group spacing */
.btn+.btn {
  margin-left: 0;
}

/* ================================================================
   4b. FORM ELEMENTS
   ================================================================ */
.form-group {
  margin-bottom: var(--space-5);
}

label.form-label,
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.01em;
  font-family: var(--font-body);
  text-transform: none;
}

.input,
.form-control,
.form-select {
  width: 100%;
  min-height: 44px;
  padding: 10px var(--space-4);
  border: var(--border) !important;
  border-radius: var(--radius-md) !important;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--surface) !important;
  transition: border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
  outline: none;
  box-shadow: none;
}

.input:hover,
.form-control:hover,
.form-select:hover {
  border-color: var(--border-color-hover) !important;
}

.input:focus,
.form-control:focus,
.form-select:focus {
  border-color: var(--navy) !important;
  box-shadow: 0 0 0 3px rgba(0, 33, 79, 0.10) !important;
}

.input::placeholder,
.form-control::placeholder {
  color: var(--text-tertiary);
  opacity: 1;
}

.input.error,
.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.10) !important;
}

.input.is-valid,
.form-control.is-valid {
  border-color: var(--success) !important;
}

.input-wrap {
  position: relative;
}

.input-icon-left .input,
.input-icon-left .form-control {
  padding-left: 42px;
}

.input-icon-right .input,
.input-icon-right .form-control {
  padding-right: 42px;
}

.input-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 1rem;
  pointer-events: none;
}

.input-icon.left {
  left: 14px;
}

.input-icon.right {
  right: 14px;
}

.helper-text {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

.error-text,
.invalid-feedback {
  font-size: 12px;
  color: var(--error);
  margin-top: var(--space-1);
  display: block;
}

select.input,
select.form-select,
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%2394A3B8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 9l6 6 6-6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 12px center !important;
  background-size: 16px 16px !important;
  padding-right: 40px !important;
  cursor: pointer;
}

textarea.input,
textarea.form-control {
  min-height: 100px;
  padding-top: var(--space-3);
  resize: vertical;
}

/* Checkbox / radio */
.check-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
}

.check-group input[type="checkbox"],
.check-group input[type="radio"],
.form-check-input {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1.5px solid var(--text-tertiary) !important;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: background var(--duration-fast), border-color var(--duration-fast);
  flex-shrink: 0;
  position: relative;
  background: var(--surface) !important;
  margin: 0;
}

.check-group input[type="radio"],
.form-check-input[type="radio"] {
  border-radius: 50%;
}

.check-group input[type="checkbox"]:checked,
.form-check-input:checked[type="checkbox"] {
  background: var(--navy) !important;
  border-color: var(--navy) !important;
}

.check-group input[type="checkbox"]:checked::after,
.form-check-input:checked[type="checkbox"]::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 2px;
  width: 8px;
  height: 5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}

.check-group input[type="radio"]:checked,
.form-check-input:checked[type="radio"] {
  border-color: var(--navy) !important;
  background: var(--surface) !important;
}

.check-group input[type="radio"]:checked::after,
.form-check-input:checked[type="radio"]::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--navy);
}

.check-group input:focus-visible,
.form-check-input:focus-visible {
  box-shadow: 0 0 0 3px rgba(253, 130, 20, 0.3) !important;
}

.check-group span,
.form-check-label {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.4;
}

/* Bootstrap form-check spacing */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-left: 0;
  min-height: auto;
}

.form-check .form-check-input {
  margin-left: 0;
  margin-top: 0;
}

/* ================================================================
   4c. BADGES & TAGS
   ================================================================ */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill) !important;
  letter-spacing: 0.02em;
  line-height: 1.4;
  font-family: var(--font-body);
}

.badge-navy,
.bg-primary,
.badge.bg-primary {
  background: var(--navy-10) !important;
  color: var(--navy) !important;
}

.badge-orange,
.bg-warning,
.badge.bg-warning,
.bg-danger,
/* legacy: map old "indirim" bg-danger to orange */
.badge.bg-danger {
  background: var(--orange-10) !important;
  color: #c5640e !important;
}

.badge-error,
.bg-error,
.badge.bg-error {
  background: var(--error-bg) !important;
  color: var(--error-fg) !important;
}

.badge-success,
.bg-success,
.badge.bg-success {
  background: var(--success-bg) !important;
  color: var(--success-fg) !important;
}

.badge-info,
.bg-info,
.badge.bg-info {
  background: var(--info-bg) !important;
  color: var(--info-fg) !important;
}

.badge-neutral,
.bg-secondary,
.badge.bg-secondary {
  background: var(--surface-alt) !important;
  color: var(--text-secondary) !important;
}

/* Tag (interactive chip) */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: var(--border);
  color: var(--text-secondary);
  background: var(--surface);
  cursor: pointer;
  transition: all var(--duration-fast);
  user-select: none;
}

.tag:hover {
  border-color: var(--navy);
  color: var(--navy);
  background: var(--navy-05);
}

.tag.active {
  border-color: var(--navy);
  color: var(--navy);
  background: var(--navy-10);
}

/* ================================================================
   4d. CARDS — surface + book card
   ================================================================ */
.card {
  background: var(--surface) !important;
  border-radius: var(--radius-lg) !important;
  border: var(--border) !important;
  overflow: hidden;
  transition: box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
  color: var(--text-primary);
}

.card-body {
  padding: var(--space-5);
}

.card-header,
.card-footer {
  background: transparent !important;
  border-color: var(--border-color) !important;
  padding: var(--space-4) var(--space-5);
}

.card-title {
  font-family: var(--font-display);
  color: var(--navy);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.card-inner {
  padding: var(--space-5) var(--space-6);
}

.hover-shadow,
.card.hover-shadow {
  transition: box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.hover-shadow:hover,
.card.hover-shadow:hover {
  box-shadow: var(--shadow-hover) !important;
  transform: translateY(-2px);
}

/* ----- Book card (matches style guide spec) ----- */
.book-card {
  background: var(--surface) !important;
  border-radius: var(--radius-lg) !important;
  border: var(--border) !important;
  overflow: hidden;
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.book-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.book-card .card-img-top {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-60) 100%);
  aspect-ratio: 3 / 4;
  display: block;
}

.book-card .card-img-top img,
.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--duration-base) var(--ease-out);
}

.book-card:hover .card-img-top img,
.book-card:hover .book-cover img {
  transform: scale(1.03);
}

.book-cover {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-60) 100%);
  position: relative;
  overflow: hidden;
}

.book-cover-inner {
  position: absolute;
  inset: 0;
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.book-cover-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.book-cover-author {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.book-spine {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 12px;
  background: rgba(0, 0, 0, 0.2);
}

/* Cover overlays */
.book-badge-wrap {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
}

.book-wish-btn {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 1rem;
  line-height: 1;
  transition: color var(--duration-fast), background var(--duration-fast);
  backdrop-filter: blur(4px);
}

.book-wish-btn:hover,
.book-wish-btn.active {
  color: var(--error);
  background: #fff;
}

/* Body */
.book-card .card-body,
.book-info {
  padding: var(--space-4);
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.book-card .card-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-1);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}

.book-info .book-cat,
.book-card .book-cat {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: var(--space-1);
}

.book-info .book-title,
.book-card .book-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-1);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}

.book-info .book-author,
.book-card .book-author,
.book-card .card-text {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.book-card .card-text.small.text-muted {
  font-size: 12px;
  color: var(--text-tertiary) !important;
  margin-bottom: var(--space-1);
}

/* Rating row */
.book-stars,
.book-rating {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-bottom: var(--space-3);
  font-size: 12px;
  color: var(--text-tertiary);
}

.book-rating .text-warning,
.book-stars .star {
  color: var(--orange) !important;
  font-size: 13px;
  line-height: 1;
}

.book-stars .star.empty {
  color: #e2e8f0;
}

.book-stars .star-count,
.book-rating .fw-semibold {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* Footer area: price + add */
.book-footer,
.book-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding: var(--space-4) !important;
  border-top: 1px solid var(--border-color);
  background: transparent !important;
  gap: var(--space-2);
}

.book-price,
.book-card .book-price,
.book-card .text-primary.book-price {
  font-family: var(--font-display) !important;
  font-size: 20px !important;
  font-weight: 700 !important;
  color: var(--navy) !important;
  line-height: 1.1;
}

.book-price-old {
  font-size: 12px;
  color: var(--text-tertiary);
  text-decoration: line-through;
  margin-left: 4px;
  font-family: var(--font-body);
  font-weight: 400;
}

/* Round + add button */
.book-add-btn {
  width: 40px;
  height: 40px;
  min-width: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--orange);
  color: #000000;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-fast), transform var(--duration-fast);
}

.book-add-btn:hover {
  transform: scale(1.05)
}

/* When the existing template uses btn-outline-primary inside book-card footer,
   render it as a soft CTA. */
.book-card .card-footer .btn {
  min-height: 40px;
  border-radius: var(--radius-md) !important;
}

/* Book grid */
.book-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-5);
}

@media (min-width: 480px) {
  .book-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .book-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .book-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Author / Publisher cards (chapterbloom-specific, harmonized) */
.author-card,
.publisher-card {
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--navy);
  transition: transform var(--duration-fast), box-shadow var(--duration-base);
  text-decoration: none;
}

.author-card:hover,
.publisher-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  color: var(--navy);
}

/* ================================================================
   4e. ALERTS
   ================================================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md) !important;
  font-size: 14px;
  margin-bottom: var(--space-3);
  border: 1px solid transparent !important;
  border-left: 3px solid !important;
  line-height: 1.5;
  color: inherit;
}

.alert-icon {
  font-size: 18px;
  flex-shrink: 0;
  line-height: 1.4;
}

.alert-content {
  flex: 1;
  min-width: 0;
}

.alert-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.alert-success {
  background: var(--success-bg) !important;
  border-color: var(--success) !important;
  color: var(--success-fg) !important;
}

.alert-danger,
.alert-error {
  background: var(--error-bg) !important;
  border-color: var(--error) !important;
  color: var(--error-fg) !important;
}

.alert-info {
  background: var(--info-bg) !important;
  border-color: var(--info) !important;
  color: var(--info-fg) !important;
}

.alert-warning {
  background: var(--warning-bg) !important;
  border-color: var(--warning) !important;
  color: var(--warning-fg) !important;
}

/* Bootstrap dismiss button positioning */
.alert .btn-close {
  filter: none;
  opacity: 0.6;
  margin-left: auto;
}

.alert .btn-close:hover {
  opacity: 1;
}

/* ================================================================
   4f. RATING COMPONENT
   ================================================================ */
.rating-stars {
  display: inline-flex;
  gap: 4px;
}

.rating-stars button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 28px;
  color: #E2E8F0;
  transition: transform var(--duration-fast) var(--ease-out), color var(--duration-fast);
  padding: 2px;
  line-height: 1;
}

.rating-stars button.filled {
  color: var(--orange);
}

.rating-stars button:hover {
  transform: scale(1.15);
}

/* ================================================================
   4g. PROGRESS
   ================================================================ */
.progress {
  height: 6px;
  background: var(--navy-10);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-bar {
  height: 6px;
  background: var(--navy-10);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-fill,
.progress .progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--navy) 0%, var(--orange) 100%);
  border-radius: var(--radius-pill);
  transition: width var(--duration-slow) var(--ease-out);
}

/* ================================================================
   5a. SEARCH BAR
   ================================================================ */
.search-wrap {
  position: relative;
  max-width: 520px;
}

.search-input,
.search-wrapper .search-input {
  width: 100%;
  height: 48px;
  min-height: 44px;
  padding: 0 50px 0 46px !important;
  border: 1.5px solid var(--border-color) !important;
  border-radius: var(--radius-xl) !important;
  font-family: var(--font-body);
  font-size: 14px;
  background: var(--surface) !important;
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  outline: none;
}

.search-input:focus,
.search-wrapper .search-input:focus {
  border-color: var(--navy) !important;
  box-shadow: 0 0 0 3px rgba(0, 33, 79, 0.10), var(--shadow-sm) !important;
}

.search-input::placeholder,
.search-wrapper .search-input::placeholder {
  color: var(--text-tertiary);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 18px;
  pointer-events: none;
}

.search-btn,
.btn-search {
  width: 38px;
  height: 38px;
  min-height: 38px;
  min-width: 38px;
  padding: 0 !important;
  background: var(--navy) !important;
  color: #fff !important;
  border: none !important;
  border-radius: var(--radius-pill) !important;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--duration-fast);
  font-family: var(--font-body);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.search-btn:hover,
.btn-search:hover {
  background: var(--navy-80) !important;
}

/* Live search dropdown */
.search-results-dropdown {
  background: var(--surface) !important;
  border: var(--border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-md) !important;
  overflow-y: auto;
  max-height: 400px;
}

.search-result-item {
  min-height: 88px;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--duration-fast);
  align-items: flex-start !important;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--navy-05);
}

.search-result-title {
  font-size: 0.9375rem;
  line-height: 1.35;
  color: var(--text-primary);
}

.search-result-price {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--orange);
}

[data-theme="dark"] .search-result-item {
  color: var(--text-primary);
}

[data-theme="dark"] .search-result-item:hover {
  background: rgba(253, 130, 20, 0.08);
}

[data-theme="dark"] .search-result-price {
  color: var(--orange);
}

/* ================================================================
   5b. BREADCRUMB & PAGINATION
   ================================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  flex-wrap: wrap;
  padding: 0;
  background: transparent;
  margin: 0 0 var(--space-4);
  list-style: none;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  padding: 0;
  line-height: 1;
}

.breadcrumb-item+.breadcrumb-item {
  padding-left: 0;
}

.breadcrumb-item+.breadcrumb-item::before {
  content: '';
  float: none;
  display: block;
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
  margin: 0 var(--space-1);
  padding: 0;
  background-color: var(--text-tertiary);
  opacity: 0.45;
  transform: translateY(0.5px);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='black'%3E%3Cpath fill-rule='evenodd' d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='black'%3E%3Cpath fill-rule='evenodd' d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708'/%3E%3C/svg%3E") center / contain no-repeat;
}

.breadcrumb a,
.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  line-height: 1.25;
}

.breadcrumb a:hover,
.breadcrumb-item a:hover {
  color: var(--navy);
}

.breadcrumb .active,
.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: 500;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0;
  margin: var(--space-6) 0;
  flex-wrap: wrap;
  justify-content: center;
}

.pagination .page-item {
  list-style: none;
}

.page-btn,
.page-link,
.pagination .page-link {
  min-width: 44px;
  height: 44px;
  border-radius: var(--radius-md) !important;
  border: var(--border) !important;
  background: var(--surface) !important;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary) !important;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-3) !important;
  transition: all var(--duration-fast);
  text-decoration: none;
}

.page-btn:hover,
.page-link:hover,
.pagination .page-link:hover {
  border-color: var(--navy) !important;
  color: var(--navy) !important;
  background: var(--navy-05) !important;
}

.page-btn.active,
.page-item.active .page-link,
.pagination .page-item.active .page-link {
  background: var(--navy) !important;
  color: #fff !important;
  border-color: var(--navy) !important;
}

.page-btn:disabled,
.page-item.disabled .page-link {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ================================================================
   5c. TOAST (legacy bootstrap — kept for reference)
   ================================================================ */
.toast {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--text-primary);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  border: none;
  max-width: 100%;
}

.toast-icon {
  font-size: 16px;
}

.toast-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  margin-left: var(--space-2);
  padding: 0;
}

.toast-close:hover {
  color: #fff;
}

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 1080;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ================================================================
   5c2. SWEETALERT2 — Chapterworm toast + dialog theme
   ================================================================ */
.cw-swal-toast.swal2-popup {
  width: auto !important;
  max-width: min(22rem, calc(100vw - 1.5rem));
  min-height: 0;
  margin-top: 0.75rem;
  padding: 0.55rem 0.75rem;
  font-family: var(--font-body);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(253, 130, 20, 0.35);
  background: var(--surface);
  color: var(--text-primary);
  box-shadow:
    0 10px 28px rgba(0, 33, 79, 0.12),
    0 0 0 1px rgba(253, 130, 20, 0.08);
}

.cw-swal-toast .swal2-html-container {
  margin: 0;
  padding: 0;
  overflow: visible;
}

.cw-swal-toast .swal2-title,
.cw-swal-toast .swal2-icon {
  display: none !important;
}

.cw-swal-toast__progress.swal2-timer-progress-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--orange) 0%, #e67412 100%);
}

.cw-toast {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.cw-toast__icon {
  flex-shrink: 0;
  margin-top: 0.05rem;
  font-size: 0.95rem;
  line-height: 1;
  color: var(--orange);
}

.cw-toast__text {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
}

.cw-toast--success .cw-toast__icon {
  color: #22a06b;
}

.cw-toast--warning .cw-toast__icon {
  color: #e67412;
}

.cw-toast--error .cw-toast__icon {
  color: #e5484d;
}

.cw-toast--info .cw-toast__icon {
  color: var(--orange);
}

[data-theme="dark"] .cw-swal-toast.swal2-popup {
  background: #101b2e;
  border-color: rgba(253, 130, 20, 0.45);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(253, 130, 20, 0.12);
}

[data-theme="dark"] .cw-toast__text {
  color: var(--text-primary);
}

[data-theme="dark"] .cw-toast--success .cw-toast__icon {
  color: #3dd68c;
}

[data-theme="dark"] .cw-toast--error .cw-toast__icon {
  color: #ff6b6b;
}

/* Toast containers must not dim the page */
.swal2-container.swal2-top-end,
.swal2-container.swal2-top-start,
.swal2-container.swal2-top,
.swal2-container.swal2-bottom-end,
.swal2-container.swal2-bottom-start,
.swal2-container.swal2-bottom {
  pointer-events: none;
  background: transparent !important;
}

.swal2-container.swal2-top-end .swal2-popup,
.swal2-container.swal2-top-start .swal2-popup,
.swal2-container.swal2-top .swal2-popup,
.swal2-container.swal2-bottom-end .swal2-popup,
.swal2-container.swal2-bottom-start .swal2-popup,
.swal2-container.swal2-bottom .swal2-popup {
  pointer-events: auto;
}

body.swal2-toast-shown>.swal2-container,
body.swal2-toast-shown>.swal2-container .swal2-backdrop {
  background: transparent !important;
}

/* Dialog alerts */
.cw-swal-dialog.swal2-popup {
  width: min(24rem, calc(100vw - 2rem)) !important;
  padding: 1.15rem 1.25rem 1rem;
  font-family: var(--font-body);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(253, 130, 20, 0.35);
  background: var(--surface);
  color: var(--text-primary);
  box-shadow:
    0 20px 48px rgba(0, 33, 79, 0.18),
    0 0 0 1px rgba(253, 130, 20, 0.08);
}

.cw-swal-dialog__title.swal2-title {
  margin: 0 0 0.35rem;
  padding: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
}

.cw-swal-dialog__body.swal2-html-container {
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.cw-swal-dialog__actions.swal2-actions {
  gap: 0.5rem;
  margin: 0.85rem 0 0;
  width: 100%;
  justify-content: flex-end;
}

.cw-swal-btn {
  margin: 0;
  padding: 0.45rem 0.95rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease-out);
}

.cw-swal-btn--confirm {
  color: #fff;
  background: linear-gradient(135deg, var(--orange) 0%, #e67412 100%);
  box-shadow: 0 4px 12px rgba(253, 130, 20, 0.35);
}

.cw-swal-btn--confirm:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(253, 130, 20, 0.45);
}

.cw-swal-btn--cancel,
.cw-swal-btn--deny {
  color: var(--text-secondary);
  background: var(--navy-05);
  border-color: var(--border-color);
}

.cw-swal-btn--cancel:hover,
.cw-swal-btn--deny:hover {
  color: var(--navy);
  border-color: rgba(253, 130, 20, 0.35);
  background: rgba(253, 130, 20, 0.08);
}

.cw-swal-show {
  animation: cw-swal-in 0.22s var(--ease-out) both;
}

.cw-swal-hide {
  animation: cw-swal-out 0.16s var(--ease-out) both;
}

@keyframes cw-swal-in {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(6px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes cw-swal-out {
  from {
    opacity: 1;
    transform: scale(1);
  }

  to {
    opacity: 0;
    transform: scale(0.96);
  }
}

[data-theme="dark"] .cw-swal-dialog.swal2-popup {
  background: #101b2e;
  border-color: rgba(253, 130, 20, 0.45);
  box-shadow:
    0 22px 52px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(253, 130, 20, 0.12);
}

[data-theme="dark"] .cw-swal-dialog__title.swal2-title {
  color: var(--text-primary);
}

[data-theme="dark"] .cw-swal-dialog__body.swal2-html-container {
  color: var(--text-secondary);
}

[data-theme="dark"] .cw-swal-btn--cancel,
[data-theme="dark"] .cw-swal-btn--deny {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .cw-swal-btn--cancel:hover,
[data-theme="dark"] .cw-swal-btn--deny:hover {
  color: #fff;
  background: rgba(253, 130, 20, 0.14);
  border-color: rgba(253, 130, 20, 0.45);
}

[data-theme="dark"] .swal2-container.swal2-center.swal2-backdrop-show,
[data-theme="dark"] .swal2-container.swal2-center .swal2-backdrop {
  background: rgba(4, 10, 20, 0.72) !important;
}

/* ================================================================
   5d. CART ITEM ROW
   ================================================================ */
.cart-items-scroll {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cart-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-4);
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: var(--border);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.cart-item:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-sm);
}

.cart-cover {
  width: 72px;
  height: 98px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-60) 100%);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  overflow: hidden;
  display: block;
  box-shadow: var(--shadow-sm);
}

.cart-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cart-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cart-info-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.cart-info-text {
  min-width: 0;
  flex: 1;
}

.cart-title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 0.25rem;
}

.cart-title-link {
  color: var(--text-primary);
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--duration-fast);
}

.cart-title-link:hover {
  color: var(--navy);
}

.cart-author {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-info-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-color);
}

.cart-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}

.cart-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3125rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  background: var(--bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast), border-color var(--duration-fast);
}

.cart-action-btn i {
  font-size: 0.875rem;
  line-height: 1;
}

.cart-action-btn:hover {
  color: var(--navy);
  background: var(--navy-05);
  border-color: rgba(0, 33, 79, 0.15);
}

.cart-action-btn--danger:hover {
  color: var(--error);
  background: var(--error-bg);
  border-color: rgba(225, 29, 72, 0.2);
}

.cart-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

.cart-price {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0;
  white-space: nowrap;
}

.cart-price--inline {
  display: none;
}

.cart-price--footer {
  min-width: 4.5rem;
  text-align: right;
}

.qty-ctrl {
  display: inline-flex;
  align-items: center;
  border: var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.qty-btn {
  width: 32px;
  height: 32px;
  background: var(--bg);
  border: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.qty-btn:hover:not(:disabled) {
  background: var(--navy-10);
  color: var(--navy);
}

.qty-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.qty-num {
  width: 36px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  border-left: var(--border);
  border-right: var(--border);
  color: var(--text-primary);
}

@media (max-width: 767.98px) {
  .cart-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: var(--space-3);
    padding: var(--space-3);
  }

  .cart-cover {
    width: 64px;
    height: 88px;
  }

  .cart-price--inline {
    display: block;
    font-size: 1rem;
  }

  .cart-price--footer {
    display: none;
  }

  .cart-info-footer {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .cart-controls {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }
}

@media (min-width: 768px) {
  .cart-item {
    grid-template-columns: 80px minmax(0, 1fr);
  }

  .cart-cover {
    width: 80px;
    height: 110px;
  }
}

[data-theme="dark"] .cart-item {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-color);
}

[data-theme="dark"] .cart-item:hover {
  border-color: rgba(253, 130, 20, 0.25);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .cart-title-link {
  color: var(--text-primary);
}

[data-theme="dark"] .cart-title-link:hover {
  color: var(--orange);
}

[data-theme="dark"] .cart-price {
  color: var(--orange);
}

[data-theme="dark"] .cart-action-btn {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

[data-theme="dark"] .cart-action-btn:hover {
  color: var(--text-primary);
  background: rgba(253, 130, 20, 0.1);
  border-color: rgba(253, 130, 20, 0.25);
}

[data-theme="dark"] .qty-ctrl {
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .qty-btn {
  background: transparent;
}

[data-theme="dark"] .qty-btn:hover:not(:disabled) {
  background: rgba(253, 130, 20, 0.12);
  color: var(--orange);
}

.cart-cover-txt {
  font-family: var(--font-display);
  font-size: 9px;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: 4px;
  line-height: 1.3;
}

.cart-remove {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 4px;
  transition: color var(--duration-fast);
}

.cart-remove:hover {
  color: var(--error);
}

/* ================================================================
   5e. HEADER (chapterbloom-specific) — consolidated from header.html
   ================================================================ */
header.fixed-top,
header.shadow-sm.fixed-top {
  z-index: 1030;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.92) !important;
  box-shadow: var(--shadow-sm) !important;
}

header .navbar {
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

@media (max-width: 991.98px) {
  header .navbar {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  header .navbar .container {
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 6px;
  }

  header .navbar .navbar-brand {
    margin-right: auto !important;
    flex-shrink: 0;
    min-width: 0;
    padding: 0;
  }

  /* Compact, modern icon buttons on mobile/tablet */
  header .btn-icon,
  header .cart-btn,
  header .navbar-toggler {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    min-height: 40px !important;
    border-radius: 12px !important;
    padding: 0 !important;
    font-size: 1.05rem;
  }

  header .lang-switcher .btn {
    width: auto !important;
    min-width: 40px !important;
    height: 40px !important;
    padding: 0 0.625rem !important;
    border-radius: 12px !important;
    flex-shrink: 0;
    gap: 0.25rem;
  }

  header .lang-switcher .btn.dropdown-toggle::after {
    margin-left: 0.15em;
    vertical-align: middle;
  }

  header .navbar .brand-logo-long {
    max-height: 44px !important;
    width: auto;
  }

  /* Make the menu toggle stand out with brand color */
  header .navbar-toggler {
    background: var(--orange) !important;
    border-color: var(--orange) !important;
    color: #fff !important;
  }

  header .navbar-toggler .navbar-toggler-icon {
    background-image: none !important;
    width: auto;
    height: auto;
  }

  header .navbar-toggler .navbar-toggler-icon::before {
    content: "\F479";
    /* bi-list */
    font-family: "bootstrap-icons";
    font-size: 1.4rem;
    color: #fff;
    line-height: 1;
  }
}

@media (max-width: 379.98px) {
  header .navbar .container {
    padding-left: 8px;
    padding-right: 8px;
    gap: 4px;
  }

  header .btn-icon,
  header .cart-btn,
  header .navbar-toggler {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    min-height: 36px !important;
    border-radius: 10px !important;
  }

  header .lang-switcher .btn {
    height: 36px !important;
    min-width: 36px !important;
    padding: 0 0.5rem !important;
    border-radius: 10px !important;
  }

  header .navbar .brand-logo-short {
    max-height: 32px !important;
  }
}

/* Mobile nav menu pops below — should appear under the navbar row,
   without inflating header height */
header .navbar #navbarNav.collapse:not(.show) {
  display: none;
}

header .navbar #navbarNav,
header .navbar .mobile-nav-panel {
  flex-basis: 100%;
  width: 100%;
}

header .navbar>.container {
  flex-wrap: wrap;
  gap: 0;
}

/* Mobile nav — compact horizontal row, equal-height tiles */
@media (max-width: 991.98px) {
  header .mobile-nav-panel {
    border-top: 1px solid var(--border-color);
    padding: 0.375rem 0.5rem 0.5rem;
    margin: 0;
  }

  header .mobile-nav-panel.show {
    display: block;
  }

  header .mobile-nav-scroll {
    overflow: visible;
    padding: 0;
    margin: 0;
  }

  header #navbarNav .mobile-nav-list {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
    justify-content: space-between;
    gap: 0.25rem;
    padding: 0;
    margin: 0;
    width: 100%;
    min-width: 0;
  }

  header #navbarNav .mobile-nav-list .nav-item {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
  }

  header #navbarNav .mobile-nav-list .nav-link {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.125rem;
    width: 100%;
    height: 2.75rem;
    min-height: 2.75rem;
    max-height: 2.75rem;
    padding: 0.25rem 0.125rem !important;
    font-size: 0.625rem;
    font-weight: 600;
    line-height: 1.1;
    text-align: center;
    border-radius: var(--radius-sm);
    color: var(--text-secondary) !important;
    background: var(--surface);
    border: 1px solid var(--border-color);
    box-sizing: border-box;
    transition: color var(--duration-fast), background var(--duration-fast), border-color var(--duration-fast);
  }

  header #navbarNav .mobile-nav-list .nav-link span {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  header #navbarNav .mobile-nav-list .nav-link i {
    flex-shrink: 0;
    font-size: 0.9375rem;
    line-height: 1;
    color: var(--navy);
    opacity: 0.95;
  }

  header #navbarNav .mobile-nav-list .nav-link:hover,
  header #navbarNav .mobile-nav-list .nav-link:focus {
    color: var(--navy) !important;
    background: var(--navy-05);
    border-color: rgba(0, 33, 79, 0.15);
    padding: 0.25rem 0.125rem !important;
  }

  header #navbarNav .mobile-nav-list .nav-link.active {
    color: var(--navy) !important;
    background: var(--navy-05);
    border-color: var(--navy-20, rgba(0, 33, 79, 0.2));
  }

  header .mobile-nav-lang {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.5rem 0;
    margin: 0.375rem 0 0;
    border-top: 1px solid var(--border-color);
  }

  header .mobile-nav-lang .btn {
    min-width: 2.5rem;
    height: 1.75rem;
    padding: 0 0.625rem;
    font-size: 0.6875rem;
    line-height: 1.75rem;
  }
}

@media (max-width: 379.98px) {
  header #navbarNav .mobile-nav-list {
    gap: 0.1875rem;
  }

  header #navbarNav .mobile-nav-list .nav-link {
    height: 2.625rem;
    min-height: 2.625rem;
    max-height: 2.625rem;
    font-size: 0.5625rem;
  }

  header #navbarNav .mobile-nav-list .nav-link i {
    font-size: 0.875rem;
  }

  header .mobile-nav-panel {
    padding: 0.3125rem 0.375rem 0.4375rem;
  }
}

@media (min-width: 992px) {
  header .mobile-nav-lang {
    display: none;
  }
}

[data-theme="dark"] header #navbarNav .mobile-nav-list .nav-link {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-color);
  color: var(--text-secondary) !important;
}

[data-theme="dark"] header #navbarNav .mobile-nav-list .nav-link i {
  color: var(--orange);
}

[data-theme="dark"] header #navbarNav .mobile-nav-list .nav-link:hover,
[data-theme="dark"] header #navbarNav .mobile-nav-list .nav-link:focus,
[data-theme="dark"] header #navbarNav .mobile-nav-list .nav-link.active {
  color: var(--text-primary) !important;
  background: rgba(253, 130, 20, 0.1);
  border-color: rgba(253, 130, 20, 0.25);
}

header .navbar-brand .logo-wrapper {
  max-height: 42px;
}

header .navbar-brand img {
  max-height: 42px;
}

/* Right icon group */
.navbar-icons-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.navbar-icons-group>* {
  align-self: center;
  flex-shrink: 0;
}

@media (min-width: 992px) {
  .navbar-icons-group {
    gap: 0.85rem;
  }
}

@media (max-width: 767.98px) {
  .navbar-icons-group {
    gap: 0.4rem;
  }
}

/* Header buttons — touch targets */
header .btn-icon,
header .cart-btn,
header .navbar-toggler,
header .lang-switcher .btn {
  min-width: 44px;
  min-height: 44px;
}

header .cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: transparent;
  border: var(--border);
  padding: 0;
  width: 44px;
  height: 44px;
  transition: background var(--duration-fast), color var(--duration-fast);
  text-decoration: none;
}

header .cart-btn:hover {
  background: var(--navy-05);
  color: var(--navy);
  border-color: var(--border-color-hover);
}

header .cart-btn .cart-count,
.cart-count {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  background: linear-gradient(135deg, var(--orange) 0%, #e67412 100%);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 10.5px;
  font-weight: 700;
  font-family: var(--font-mono);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(253, 130, 20, 0.4);
  animation: cart-bump var(--duration-base) var(--ease-out);
}

@keyframes cart-bump {
  0% {
    transform: scale(0.6);
    opacity: 0;
  }

  60% {
    transform: scale(1.15);
    opacity: 1;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* User avatar — solid navy, ring + soft shadow */
header .user-avatar,
.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow:
    0 0 0 2px var(--surface),
    0 0 0 3px rgba(0, 33, 79, 0.12),
    var(--shadow-sm);
  text-transform: uppercase;
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast);
}

header .user-avatar:hover,
.user-avatar:hover {
  transform: scale(1.06);
  box-shadow:
    0 0 0 2px var(--surface),
    0 0 0 3px rgba(253, 130, 20, 0.35),
    var(--shadow-md);
}

/* Dropdown menu styling */
.dropdown-menu {
  border: var(--border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-md) !important;
  padding: var(--space-2);
  margin-top: var(--space-1) !important;
}

.dropdown-item {
  border-radius: var(--radius-sm);
  font-size: 14px;
  padding: var(--space-2) var(--space-3);
  color: var(--text-primary);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--navy-05);
  color: var(--navy);
}

.dropdown-item.text-danger:hover {
  background: var(--error-bg);
  color: var(--error) !important;
}

.dropdown-header {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-2);
}

.dropdown-divider {
  border-color: var(--border-color);
  margin: var(--space-2) 0;
}

/* Category nav (secondary bar) */
header .navbar.bg-light {
  background: var(--navy-05) !important;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding-top: 0;
  padding-bottom: 0;
}

header .navbar-nav .nav-link {
  padding: var(--space-3) var(--space-4);
  font-weight: 500;
  font-size: 14px;
  color: var(--text-secondary) !important;
  transition: color var(--duration-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

header .navbar-nav .nav-link:hover,
header .navbar-nav .nav-link.active {
  color: var(--navy) !important;
}

header .navbar-nav .nav-link:hover {
  background: transparent;
}

/* Mobile menu — legacy overrides removed; see .mobile-nav-panel above */
@media (max-width: 991.98px) {
  header .navbar-toggler {
    width: 40px;
    height: 40px;
    padding: 0;
    border: var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  header .navbar-toggler:hover {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
  }

  header .navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(253, 130, 20, 0.3);
  }

  header .navbar-toggler-icon {
    width: 1.25em;
    height: 1.25em;
    filter: invert(15%) sepia(45%) saturate(2500%) hue-rotate(200deg);
  }

  header .navbar-toggler:hover .navbar-toggler-icon {
    filter: invert(100%);
  }
}

/* Very narrow */
@media (max-width: 379.98px) {
  header .navbar .container {
    padding-left: 8px;
    padding-right: 8px;
  }

  header .btn-icon,
  header .cart-btn,
  header .navbar-toggler {
    min-width: 36px;
    min-height: 36px;
    width: 36px;
    height: 36px;
  }

  header .lang-switcher .btn {
    min-width: 36px;
    min-height: 36px;
    height: 36px !important;
    width: auto !important;
    padding: 0 0.5rem !important;
  }

  header .user-avatar {
    width: 24px;
    height: 24px;
    font-size: 0.7rem;
  }
}

/* User menu mobile select */
.user-menu-mobile-options .form-select {
  font-size: 0.875rem;
  padding: 0.35rem 0.5rem;
  min-height: 36px;
}

/* Login / signup auth buttons in header */
header .btn-outline-primary {
  min-height: 40px;
  padding: 8px 16px !important;
  font-size: 13px;
}

@media (max-width: 767.98px) {
  header .btn-outline-primary {
    padding: 6px 10px !important;
    font-size: 12px;
    min-height: 36px;
  }
}

/* Hide secondary auth button on very small screens */
@media (max-width: 479.98px) {
  header .btn-outline-primary+.btn-outline-primary {
    display: none;
  }
}

/* Mobile search collapse area */
header .bg-light#mobileSearch {
  background: var(--surface-alt) !important;
  border-bottom: 1px solid var(--border-color) !important;
}

/* ================================================================
   5f. HERO / BANNER
   ================================================================ */
.banner-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-60) 55%, var(--navy-80) 100%);
  color: #fff;
  padding: var(--space-12) var(--space-8);
  margin-left: calc(-1 * var(--bs-gutter-x, 1.5rem) * 0.5);
  margin-right: calc(-1 * var(--bs-gutter-x, 1.5rem) * 0.5);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.banner-section h1,
.banner-section .display-1,
.banner-section .display-2,
.banner-section .display-3,
.banner-section .display-4 {
  color: #fff !important;
  font-family: var(--font-display);
  line-height: 1.1;
}

.banner-section .lead,
.banner-section p {
  color: rgba(255, 255, 255, 0.85) !important;
}

.banner-section .flex-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 767.98px) {
  .banner-section {
    padding: var(--space-8) var(--space-5);
    text-align: center;
  }

  .banner-section.ps-5 {
    padding-left: var(--space-5) !important;
  }

  .banner-section .display-3 {
    font-size: 2rem;
  }

  .banner-section .flex-row {
    justify-content: center;
  }
}

/* Section titles inside cards */
.section-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
}

.card .d-flex.justify-content-between.align-items-center.mb-4 {
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ================================================================
   5f2. HOME — Popular authors / publishers spotlight
   ================================================================ */
.home-spotlight-section {
  margin-bottom: var(--space-8);
}

.home-spotlight-panel {
  height: 100%;
  padding: var(--space-5) var(--space-6);
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
}

.home-spotlight-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

.home-spotlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.home-spotlight-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 76px;
  height: 76px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: var(--navy-05);
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition:
    transform var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.home-spotlight-tile:hover {
  transform: translateY(-2px);
  border-color: rgba(253, 130, 20, 0.5);
  background: rgba(253, 130, 20, 0.08);
  box-shadow: 0 6px 16px rgba(253, 130, 20, 0.14);
}

.home-spotlight-tile__label {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
  color: var(--navy);
}

.home-spotlight-tile:hover .home-spotlight-tile__label {
  color: var(--orange);
}

[data-theme="dark"] .home-spotlight-panel {
  background: var(--surface);
  border-color: var(--border-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .home-spotlight-header {
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .home-spotlight-tile {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .home-spotlight-tile__label {
  color: var(--text-primary);
}

[data-theme="dark"] .home-spotlight-tile:hover {
  background: rgba(253, 130, 20, 0.12);
  border-color: rgba(253, 130, 20, 0.55);
}

[data-theme="dark"] .home-spotlight-tile:hover .home-spotlight-tile__label {
  color: var(--orange);
}

@media (max-width: 575.98px) {
  .home-spotlight-panel {
    padding: var(--space-4);
  }

  .home-spotlight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .home-spotlight-tile {
    min-height: 68px;
    height: 68px;
    padding: 8px 10px;
  }

  .home-spotlight-tile__label {
    font-size: 0.78rem;
    -webkit-line-clamp: 2;
  }
}

/* Catalog listing + product meta variants */
.home-spotlight-grid--catalog {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.home-spotlight-grid--meta {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.home-spotlight-tile--catalog {
  flex-direction: column;
  gap: 4px;
  min-height: 88px;
  height: 88px;
  padding: 12px 10px;
}

.home-spotlight-tile--catalog .home-spotlight-tile__label {
  -webkit-line-clamp: 2;
}

.home-spotlight-tile__meta {
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-muted);
}

.home-spotlight-tile--catalog:hover .home-spotlight-tile__meta {
  color: var(--text-secondary);
}

.home-spotlight-tile--static {
  flex-direction: column;
  gap: 6px;
  cursor: default;
  pointer-events: none;
}

.home-spotlight-tile--static:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border-color);
  background: var(--navy-05);
}

.home-spotlight-tile__key {
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
  color: var(--navy);
}

.home-spotlight-tile__value {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.35;
  text-align: center;
  color: var(--text-muted);
}

[data-theme="dark"] .home-spotlight-tile__meta,
[data-theme="dark"] .home-spotlight-tile__value {
  color: var(--text-secondary);
}

[data-theme="dark"] .home-spotlight-tile__key {
  color: var(--text-primary);
}

[data-theme="dark"] .home-spotlight-tile--static {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .home-spotlight-tile--static:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

@media (max-width: 991.98px) {

  .home-spotlight-grid--catalog,
  .home-spotlight-grid--meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 767.98px) {

  .home-spotlight-grid--catalog,
  .home-spotlight-grid--meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-spotlight-tile--catalog {
    min-height: 80px;
    height: 80px;
  }
}

@media (max-width: 575.98px) {

  .home-spotlight-grid--catalog,
  .home-spotlight-grid--meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .home-spotlight-tile--catalog,
  .home-spotlight-tile--static {
    min-height: 72px;
    height: 72px;
    padding: 8px 10px;
  }

  .home-spotlight-tile__key {
    font-size: 0.62rem;
  }

  .home-spotlight-tile__value {
    font-size: 0.78rem;
  }
}

/* ================================================================
   5g. SLIDER
   ================================================================ */
.slider-container {
  position: relative;
  overflow: hidden;
  padding: 0 var(--space-8);
}

.slider-wrapper {
  display: flex;
  transition: transform var(--duration-slow) var(--ease-out);
  will-change: transform;
}

.slider-item {
  flex: 0 0 20%;
  min-width: 0;
  padding: 0 var(--space-2);
}

@media (max-width: 1199.98px) {
  .slider-item {
    flex: 0 0 25%;
  }
}

@media (max-width: 991.98px) {
  .slider-item {
    flex: 0 0 33.333%;
  }
}

@media (max-width: 767.98px) {
  .slider-item {
    flex: 0 0 50%;
    padding: 0 6px;
  }

  .slider-container {
    padding: 0 36px;
  }

  /* Related books: single full-width card on mobile */
  .related-books-slider {
    padding: 0 2.75rem;
  }

  .related-books-slider .slider-item {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 0 0.375rem;
  }
}

@media (max-width: 479.98px) {
  .slider-item {
    flex: 0 0 50%;
    padding: 0 5px;
  }

  .slider-container {
    padding: 0 28px;
  }

  .related-books-slider {
    padding: 0 2.25rem;
  }

  .related-books-slider .slider-item {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 0 0.25rem;
  }

  /* Tighter card internals so the cover and text don't feel cramped */
  .slider-item .book-card .card-body,
  .slider-item .book-info {
    padding: 12px 10px;
  }

  .slider-item .book-card .card-footer,
  .slider-item .book-footer {
    padding: 10px !important;
  }

  .slider-item .book-card .book-title,
  .slider-item .book-card .card-title {
    font-size: 13.5px;
    min-height: 2.4em;
  }

  .slider-item .book-card .book-author,
  .slider-item .book-card .card-text {
    font-size: 11px;
  }

  .slider-item .book-price,
  .slider-item .book-card .book-price {
    font-size: 16px !important;
  }

  .slider-item .book-price-old {
    font-size: 11px;
  }

  .slider-item .book-add-btn {
    width: 34px;
    height: 34px;
    min-width: 34px;
    font-size: 1rem;
  }
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  border: var(--border);
  background: var(--surface);
  color: var(--navy);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.slider-btn:hover {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.slider-btn.prev {
  left: 0;
}

.slider-btn.next {
  right: 0;
}

@media (max-width: 479.98px) {
  .slider-btn {
    width: 28px;
    height: 28px;
    font-size: 0.95rem;
    box-shadow: var(--shadow-xs, 0 1px 3px rgba(0, 0, 0, 0.1));
  }
}

/* ================================================================
   5h. PRODUCT DETAIL
   ================================================================ */
.product-detail-title {
  font-family: var(--font-display);
  color: var(--navy);
  font-weight: 700;
}

.product-detail-image,
.product-detail .product-image img {
  border-radius: var(--radius-lg);
  background: var(--surface);
}

@media (max-width: 767.98px) {
  .product-detail-image {
    max-height: 360px !important;
  }

  .product-detail .col-3 {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

/* Meta info chips on product detail */
.product-meta-card {
  background: var(--surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  text-align: center;
}

.product-meta-card .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-bottom: 2px;
}

.product-meta-card .value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ================================================================
   5i. SHOP / FILTER SIDEBAR
   ================================================================ */
.filter-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

@media (max-width: 991.98px) {
  .filter-sidebar {
    position: static;
  }

  aside.col-lg-3.mt-5 {
    margin-top: 0 !important;
  }
}

/* Filter labels — body sans, not display */
.filter-sidebar label,
.filter-sidebar .form-label,
.filter-sidebar h5,
.filter-sidebar h6 {
  font-family: var(--font-body) !important;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

/* ================================================================
   5j. CHECKOUT STEPS
   ================================================================ */
.checkout-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.checkout-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
  min-width: 80px;
}

.checkout-step .step-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--navy-20);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  background: var(--surface);
  color: var(--text-tertiary);
}

.checkout-step.active {
  color: var(--navy);
}

.checkout-step.active .step-circle {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.checkout-step.completed .step-circle {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.checkout-step .step-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
}

/* ================================================================
   5k. FOOTER
   ================================================================ */
footer,
footer.bg-dark {
  background: var(--navy) !important;
  color: rgba(255, 255, 255, 0.65) !important;
  margin-top: var(--space-12);
}

footer .container,
footer .container-fluid {
  padding-top: var(--space-10);
  padding-bottom: var(--space-6);
}

footer h3,
footer h5,
footer .footer-heading {
  font-family: var(--font-display);
  color: #fff !important;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

footer a,
footer a.text-white-50,
footer .footer-links a {
  color: rgba(255, 255, 255, 0.55) !important;
  text-decoration: none;
  font-size: 13px;
  transition: color var(--duration-fast);
  display: inline-block;
  margin-bottom: var(--space-2);
}

footer a:hover,
footer a.text-white-50:hover,
footer .footer-links a:hover {
  color: var(--orange-60) !important;
}

footer hr,
footer .footer-divider {
  border-color: rgba(255, 255, 255, 0.1);
  margin: var(--space-6) 0;
  opacity: 1;
}

footer .footer-bottom,
footer .copyright {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
  gap: var(--space-3);
}

footer .footer-icon {
  font-size: 1.5rem;
  line-height: 1;
  opacity: 0.95;
  color: var(--orange);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: var(--space-3);
}

footer .input-group .form-control,
footer .input-group .btn {
  min-height: 44px;
}

footer .input-group .form-control {
  background: rgba(255, 255, 255, 0.08) !important;
  border-color: rgba(255, 255, 255, 0.18) !important;
  color: #fff !important;
}

footer .input-group .form-control::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

/* ================================================================
   5l. TABLES (admin / order detail)
   ================================================================ */
.table {
  --bs-table-bg: var(--surface);
  background: var(--surface) !important;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border);
  color: var(--text-primary);
}

.table th {
  background: var(--navy-05) !important;
  color: var(--navy) !important;
  font-weight: 600 !important;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4) !important;
  border-bottom: 1px solid var(--border-color) !important;
}

.table td {
  padding: var(--space-3) var(--space-4) !important;
  color: var(--text-primary);
  font-size: 14px;
  border-color: var(--border-color) !important;
  vertical-align: middle;
}

.table-hover tbody tr:hover {
  background: var(--navy-05) !important;
}

/* ================================================================
   6. PAGE LOADER
   ================================================================ */
.page-loader {
  position: fixed;
  inset: 0;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--duration-slow) var(--ease-out), visibility var(--duration-slow);
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.spinner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.spinner-border.text-primary {
  color: var(--navy) !important;
}

/* ================================================================
   8. DO / DON'T (style guide examples)
   ================================================================ */
.do-dont {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.do-box,
.dont-box {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid;
}

.do-box {
  border-color: rgba(13, 148, 136, 0.25);
  background: #f0fdfa;
}

.dont-box {
  border-color: rgba(225, 29, 72, 0.2);
  background: #fff1f2;
}

.do-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.do-box .do-label {
  color: var(--success);
}

.dont-box .do-label {
  color: var(--error);
}

.do-box p,
.dont-box p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 600px) {
  .do-dont {
    grid-template-columns: 1fr;
  }
}

/* ================================================================
   9. UTILITIES
   ================================================================ */
.transition-all {
  transition: all var(--duration-base) var(--ease-out);
}

.content-text {
  line-height: 1.75;
  color: var(--text-secondary);
}

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--text-secondary);
}

.empty-state h2,
.empty-state h3 {
  color: var(--navy);
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
}

.empty-state .empty-icon {
  font-size: 3rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

/* Lazy images */
img[loading="lazy"] {
  opacity: 1;
}

/* Visually hidden */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ================================================================
   10. ACCESSIBILITY — focus rings
   ================================================================ */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* Bootstrap's focus ring (box-shadow) — silence to avoid double */
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.form-check-input:focus-visible {
  box-shadow: none;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--navy);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  z-index: 9999;
  border-radius: 0 0 var(--radius-md) 0;
}

.skip-link:focus {
  top: 0;
  color: #fff;
}

/* ================================================================
   11. MOTION — reduce
   ================================================================ */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .book-card:hover,
  .card:hover,
  .hover-shadow:hover,
  .slider-wrapper {
    transform: none !important;
  }
}

/* ================================================================
   12. DARK MODE — Deep Navy canvas, Orange accent, soft surfaces
   ================================================================ */
[data-theme="dark"] {
  /* Canvas */
  --bg: #0A1428;
  /* Deep navy, slightly darker than --navy */
  --surface: #102544;
  /* Cards — navy-tinted slate */
  --surface-alt: #16315A;
  /* Inputs, tags, secondary surfaces */

  /* Text */
  --text-primary: #F5F7FB;
  --text-secondary: #B7C2D6;
  --text-tertiary: #7A8AA8;
  --text-on-navy: #FFFFFF;

  /* Borders — keep navy hue, never plain gray */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(253, 130, 20, 0.35);

  /* Subtle scales (Navy tones look weird on dark — flip them) */
  --navy-05: rgba(253, 130, 20, 0.06);
  --navy-10: rgba(253, 130, 20, 0.12);
  --navy-20: rgba(253, 130, 20, 0.22);

  /* Semantic backgrounds get softer on dark */
  --success-bg: rgba(13, 148, 136, 0.18);
  --success-fg: #5EEAD4;
  --error-bg: rgba(225, 29, 72, 0.18);
  --error-fg: #FDA4AF;
  --info-bg: rgba(2, 132, 199, 0.18);
  --info-fg: #7DD3FC;
  --warning-bg: rgba(253, 130, 20, 0.18);
  --warning-fg: #FEB372;

  /* Shadows — deeper, more spread on dark */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.55);
  --shadow-hover: 0 10px 32px rgba(253, 130, 20, 0.18);

  /* Bootstrap bridge */
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--text-primary);
  --bs-border-color: var(--border-color);
}

[data-theme="dark"] body {
  background:
    radial-gradient(circle at 0% 0%, rgba(0, 33, 79, 0.55), transparent 35%),
    radial-gradient(circle at 100% 100%, rgba(253, 130, 20, 0.04), transparent 50%),
    var(--bg) !important;
  background-attachment: fixed;
  color: var(--text-primary);
}

/* Headings stay light, accents pick up orange */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
[data-theme="dark"] .h1,
[data-theme="dark"] .h2,
[data-theme="dark"] .h3,
[data-theme="dark"] .h4,
[data-theme="dark"] .h5,
[data-theme="dark"] .h6 {
  color: var(--text-primary);
}

[data-theme="dark"] a {
  color: var(--orange-60);
}

[data-theme="dark"] a:hover {
  color: var(--orange);
}

[data-theme="dark"] hr,
[data-theme="dark"] .dropdown-divider {
  border-color: var(--border-color);
}

/* Header — glassy navy */
[data-theme="dark"] header.fixed-top,
[data-theme="dark"] header.shadow-sm.fixed-top {
  background: rgba(10, 20, 40, 0.85) !important;
  border-bottom: 1px solid var(--border-color) !important;
}

[data-theme="dark"] header .navbar {
  background: transparent !important;
}

[data-theme="dark"] header .navbar.bg-light,
[data-theme="dark"] header .navbar.bg-white {
  background: rgba(255, 255, 255, 0.02) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] header .navbar-nav .nav-link {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] header .navbar-nav .nav-link:hover,
[data-theme="dark"] header .navbar-nav .nav-link.active {
  color: var(--orange) !important;
}

/* Cards, surfaces — subtle gradient + 1px gold-tinted border */
[data-theme="dark"] .card,
[data-theme="dark"] .book-card,
[data-theme="dark"] .cart-item,
[data-theme="dark"] .navbar-preview,
[data-theme="dark"] .product-meta-card,
[data-theme="dark"] .qty-ctrl {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 60%),
    var(--surface) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .card:hover,
[data-theme="dark"] .book-card:hover,
[data-theme="dark"] .hover-shadow:hover {
  box-shadow: var(--shadow-hover) !important;
  border-color: rgba(253, 130, 20, 0.25) !important;
}

[data-theme="dark"] .card-title,
[data-theme="dark"] .book-card .book-title,
[data-theme="dark"] .book-card .card-title,
[data-theme="dark"] .cart-title {
  color: var(--text-primary);
}

[data-theme="dark"] .book-info .book-cat {
  color: var(--orange-60);
}

/* Price — pop in orange, but Playfair monoweight stays */
[data-theme="dark"] .book-price,
[data-theme="dark"] .book-card .book-price,
[data-theme="dark"] .cart-price,
[data-theme="dark"] .t-price {
  color: var(--orange) !important;
}

[data-theme="dark"] .book-price-old {
  color: var(--text-tertiary);
}

/* Inputs */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] .input,
[data-theme="dark"] textarea.form-control {
  background-color: var(--surface-alt) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}

/* Restore select arrow in dark mode (light uses background shorthand which resets image) */
[data-theme="dark"] select.form-select,
[data-theme="dark"] .form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%23B7C2D6' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 9l6 6 6-6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 12px center !important;
  background-size: 16px 16px !important;
}

[data-theme="dark"] .form-control:hover,
[data-theme="dark"] .form-select:hover,
[data-theme="dark"] .input:hover {
  border-color: rgba(253, 130, 20, 0.3) !important;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus,
[data-theme="dark"] .input:focus {
  border-color: var(--orange) !important;
  box-shadow: 0 0 0 3px rgba(253, 130, 20, 0.2) !important;
}

[data-theme="dark"] .form-control::placeholder,
[data-theme="dark"] .input::placeholder {
  color: var(--text-tertiary);
}

[data-theme="dark"] .search-input {
  background: var(--surface) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .search-input:focus {
  border-color: var(--orange) !important;
  box-shadow: 0 0 0 3px rgba(253, 130, 20, 0.18), var(--shadow-sm) !important;
}

/* Checkboxes / radios */
[data-theme="dark"] .form-check-input,
[data-theme="dark"] .check-group input[type="checkbox"],
[data-theme="dark"] .check-group input[type="radio"] {
  background: var(--surface-alt) !important;
  border-color: var(--text-tertiary) !important;
}

[data-theme="dark"] .form-check-input:checked,
[data-theme="dark"] .check-group input[type="checkbox"]:checked {
  background: var(--orange) !important;
  border-color: var(--orange) !important;
}

/* Buttons */
[data-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, var(--navy-60), var(--navy)) !important;
  border-color: var(--navy-60) !important;
}

[data-theme="dark"] .btn-primary:hover {
  background: linear-gradient(135deg, var(--orange), #e67412) !important;
  border-color: var(--orange) !important;
}

[data-theme="dark"] .btn-outline,
[data-theme="dark"] .btn-outline-primary {
  color: var(--orange-60) !important;
  border-color: rgba(253, 130, 20, 0.4) !important;
}

[data-theme="dark"] .btn-outline:hover,
[data-theme="dark"] .btn-outline-primary:hover {
  background: rgba(253, 130, 20, 0.1) !important;
  border-color: var(--orange) !important;
  color: var(--orange) !important;
}

[data-theme="dark"] .btn-ghost,
[data-theme="dark"] .btn-light,
[data-theme="dark"] .btn-icon,
[data-theme="dark"] header .cart-btn {
  background: var(--surface-alt) !important;
  color: var(--text-secondary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .btn-ghost:hover,
[data-theme="dark"] .btn-light:hover,
[data-theme="dark"] .btn-icon:hover,
[data-theme="dark"] header .cart-btn:hover {
  background: rgba(253, 130, 20, 0.12) !important;
  color: var(--orange) !important;
  border-color: rgba(253, 130, 20, 0.3) !important;
}

/* Tags */
[data-theme="dark"] .tag {
  background: var(--surface-alt);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

[data-theme="dark"] .tag:hover,
[data-theme="dark"] .tag.active {
  background: rgba(253, 130, 20, 0.15);
  color: var(--orange);
  border-color: var(--orange);
}

/* Dropdowns */
[data-theme="dark"] .dropdown-menu {
  background: var(--surface) !important;
  border-color: var(--border-color) !important;
  box-shadow: var(--shadow-lg) !important;
}

[data-theme="dark"] .dropdown-item {
  color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
  background: rgba(253, 130, 20, 0.12);
  color: var(--orange);
}

[data-theme="dark"] .dropdown-item.text-danger {
  color: var(--error-fg) !important;
}

[data-theme="dark"] .dropdown-item.text-danger:hover,
[data-theme="dark"] .dropdown-item.text-danger:focus {
  background: var(--error-bg);
  color: var(--error-fg) !important;
}

[data-theme="dark"] .dropdown-header {
  border-color: var(--border-color);
}

/* Bootstrap utility color overrides for dark mode */
[data-theme="dark"] .text-success {
  color: var(--success-fg) !important;
}

[data-theme="dark"] .text-danger {
  color: var(--error-fg) !important;
}

[data-theme="dark"] .text-warning {
  color: var(--warning-fg) !important;
}

[data-theme="dark"] .text-info {
  color: var(--info-fg) !important;
}

[data-theme="dark"] .text-muted {
  color: var(--text-tertiary) !important;
}

[data-theme="dark"] .text-primary {
  color: var(--orange) !important;
}

[data-theme="dark"] .text-secondary {
  color: var(--text-secondary) !important;
}

/* Tables */
[data-theme="dark"] .table {
  background: var(--surface) !important;
  color: var(--text-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .table th {
  background: rgba(255, 255, 255, 0.03) !important;
  color: var(--orange-60) !important;
}

[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
  border-color: var(--border-color) !important;
  color: var(--text-primary);
}

[data-theme="dark"] .table-hover tbody tr:hover {
  background: rgba(253, 130, 20, 0.05) !important;
}

/* Footer — even deeper */
[data-theme="dark"] footer,
[data-theme="dark"] footer.bg-dark {
  background: #050C1C !important;
  border-top: 1px solid var(--border-color);
}

/* Pagination */
[data-theme="dark"] .page-btn,
[data-theme="dark"] .page-link,
[data-theme="dark"] .pagination .page-link {
  background: var(--surface) !important;
  color: var(--text-secondary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .page-btn:hover,
[data-theme="dark"] .page-link:hover {
  background: rgba(253, 130, 20, 0.1) !important;
  color: var(--orange) !important;
  border-color: rgba(253, 130, 20, 0.3) !important;
}

[data-theme="dark"] .page-item.active .page-link,
[data-theme="dark"] .page-btn.active {
  background: var(--orange) !important;
  border-color: var(--orange) !important;
  color: #fff !important;
}

/* Page loader */
[data-theme="dark"] .page-loader {
  background: rgba(10, 20, 40, 0.85);
  backdrop-filter: blur(6px);
}

[data-theme="dark"] .spinner-border.text-primary {
  color: var(--orange) !important;
}

/* Breadcrumb */
[data-theme="dark"] .breadcrumb a,
[data-theme="dark"] .breadcrumb-item a {
  color: var(--text-secondary);
}

[data-theme="dark"] .breadcrumb a:hover {
  color: var(--orange);
}

[data-theme="dark"] .breadcrumb .active,
[data-theme="dark"] .breadcrumb-item.active {
  color: var(--text-primary);
}

[data-theme="dark"] .breadcrumb-item+.breadcrumb-item::before {
  opacity: 0.55;
}

/* Banner / hero — keep dark navy but boost orange accents */
[data-theme="dark"] .banner-section {
  background: linear-gradient(135deg, #0A1428 0%, var(--navy) 60%, #1A1A40 100%);
  box-shadow: inset 0 -1px 0 rgba(253, 130, 20, 0.2);
}

/* Cart count badge keeps the same vibrant gradient */
[data-theme="dark"] .cart-count {
  border-color: var(--surface);
}

/* User avatar on dark */
[data-theme="dark"] header .user-avatar,
[data-theme="dark"] .user-avatar {
  background: var(--navy-60);
  box-shadow:
    0 0 0 2px var(--surface),
    0 0 0 3px rgba(253, 130, 20, 0.25),
    0 4px 12px rgba(0, 0, 0, 0.5);
}

/* Author / publisher tile cards */
[data-theme="dark"] .author-card,
[data-theme="dark"] .publisher-card {
  background: var(--surface);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .author-card:hover,
[data-theme="dark"] .publisher-card:hover {
  border-color: rgba(253, 130, 20, 0.4);
  color: var(--orange);
}

/* Section titles, t-* utilities */
[data-theme="dark"] .section-title,
[data-theme="dark"] .t-hero,
[data-theme="dark"] .t-h1,
[data-theme="dark"] .t-h2,
[data-theme="dark"] .t-h3,
[data-theme="dark"] .t-h4 {
  color: var(--text-primary);
}

[data-theme="dark"] .t-body-lg,
[data-theme="dark"] .t-body {
  color: var(--text-secondary);
}

[data-theme="dark"] .t-small,
[data-theme="dark"] .t-label,
[data-theme="dark"] .text-muted {
  color: var(--text-tertiary) !important;
}

[data-theme="dark"] .section-tag {
  color: var(--orange);
}

[data-theme="dark"] .subsection-title {
  color: var(--text-tertiary);
}

/* Mobile toggler */
[data-theme="dark"] header .navbar-toggler {
  background: var(--surface-alt);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

[data-theme="dark"] header .navbar-toggler:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

[data-theme="dark"] header .navbar-toggler-icon {
  filter: invert(80%) sepia(20%) saturate(2000%) hue-rotate(345deg);
}

/* ================================================================
   12b. PAGE TRANSITION — soft fade-up on every page load
   ================================================================ */
@keyframes pt-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

main {
  animation: pt-fade-in var(--duration-slow) var(--ease-out) both;
}

/* Page transition overlay used by page-loader.js on link clicks */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0;
  background:
    linear-gradient(135deg, rgba(0, 33, 79, 0.55), rgba(10, 20, 40, 0.75));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity var(--duration-base) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-transition.is-active {
  opacity: 1;
  pointer-events: auto;
}

.page-transition-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--navy), var(--orange));
  transition: width 1.5s var(--ease-out);
  box-shadow: 0 0 12px rgba(253, 130, 20, 0.5);
}

.page-transition.is-active .page-transition-bar {
  width: 80%;
}

.page-transition-spinner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--orange);
  animation: pt-spin 0.8s linear infinite;
}

@keyframes pt-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ================================================================
   12c. LANGUAGE SWITCHER
   ================================================================ */
.lang-switcher {
  position: relative;
  display: inline-flex;
}

.lang-switcher .btn {
  min-width: 44px;
  min-height: 38px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  border: var(--border);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
}

.lang-switcher .btn:hover {
  background: var(--navy-05);
  color: var(--navy);
  border-color: var(--border-color-hover);
}

.lang-switcher .dropdown-menu {
  min-width: 120px;
}

.lang-switcher .dropdown-item {
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lang-switcher .dropdown-item .lang-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary);
  margin-left: auto;
}

.lang-switcher .dropdown-item.active {
  background: var(--navy-10);
  color: var(--navy);
}

.lang-switcher .dropdown-item.active .lang-code {
  color: var(--orange);
}

[data-theme="dark"] .lang-switcher .btn {
  background: var(--surface-alt) !important;
  color: var(--text-secondary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .lang-switcher .dropdown-item.active {
  background: var(--navy-80);
  color: var(--text-primary);
}

[data-theme="dark"] .lang-switcher .dropdown-item.active .lang-code {
  color: var(--orange);
}

[data-theme="dark"] .lang-switcher .btn:hover {
  color: var(--orange) !important;
  border-color: rgba(253, 130, 20, 0.3) !important;
}

/* Search loading spinner integrated into header search */
.search-input-loading {
  position: absolute;
  right: 56px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(0, 33, 79, 0.15);
  border-top-color: var(--orange);
  animation: pt-spin 0.7s linear infinite;
  display: none;
}

.search-wrapper.is-loading .search-input-loading {
  display: inline-block;
}

[data-theme="dark"] .search-input-loading {
  border-color: rgba(255, 255, 255, 0.1);
  border-top-color: var(--orange);
}

/* ================================================================
   13. RESPONSIVE CONTAINER
   ================================================================ */
.container,
.container-fluid {
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {

  .container,
  .container-fluid {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: var(--container-max);
  }
}

/* ================================================================
   14. SELECT2 — theme bridge (light + dark)
   ================================================================ */

/* Container sizing */
.select2-container {
  width: 100% !important;
}

/* Single selection box — match .form-select */
.select2-container--default .select2-selection--single {
  min-height: 36px;
  height: auto;
  padding: 6px 36px 6px 12px;
  border: var(--border) !important;
  border-radius: var(--radius-md) !important;
  background-color: var(--surface) !important;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: border-color var(--duration-fast);
  /* Custom arrow */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%2394A3B8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 9l6 6 6-6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 10px center !important;
  background-size: 14px 14px !important;
}

.select2-container--default .select2-selection--single:hover {
  border-color: var(--border-color-hover) !important;
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--open .select2-selection--single {
  border-color: var(--navy) !important;
  box-shadow: 0 0 0 3px rgba(0, 33, 79, 0.10) !important;
  outline: none;
}

/* Hide native arrow — we supply our own via background-image */
.select2-container--default .select2-selection--single .select2-selection__arrow {
  display: none;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
  color: var(--text-primary);
  padding: 0;
  line-height: normal;
  font-size: 13px;
}

.select2-container--default .select2-selection--single .select2-selection__placeholder {
  color: var(--text-tertiary);
}

.select2-container--default .select2-selection--single .select2-selection__clear {
  float: right;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-right: 26px;
  margin-top: 0;
  padding: 0 !important;
  border: 1px solid rgba(253, 130, 20, 0.35);
  border-radius: 50%;
  background: rgba(253, 130, 20, 0.1);
  color: transparent !important;
  font-size: 0 !important;
  line-height: 0 !important;
  cursor: pointer;
  transition:
    background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.select2-container--default .select2-selection--single .select2-selection__clear:hover {
  background: rgba(253, 130, 20, 0.2);
  border-color: rgba(253, 130, 20, 0.65);
  box-shadow: 0 2px 8px rgba(253, 130, 20, 0.25);
  transform: scale(1.06);
}

.select2-container--default .select2-selection--single .select2-selection__clear::before {
  content: '';
  display: block;
  width: 11px;
  height: 11px;
  background: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FD8214'%3E%3Cpath d='M4.646 4.646a.5.5 0 0 1 .708 0L8 7.293l2.646-2.647a.5.5 0 0 1 .708.708L8.707 8l2.647 2.646a.5.5 0 0 1-.708.708L8 8.707l-2.646 2.647a.5.5 0 0 1-.708-.708L7.293 8 4.646 5.354a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}

[data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__clear {
  background: rgba(253, 130, 20, 0.14);
  border-color: rgba(253, 130, 20, 0.45);
}

[data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__clear:hover {
  background: rgba(253, 130, 20, 0.28);
  border-color: rgba(253, 130, 20, 0.75);
  box-shadow: 0 2px 10px rgba(253, 130, 20, 0.3);
}

/* Dropdown panel */
.select2-dropdown {
  background: var(--surface) !important;
  border: var(--border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-md) !important;
  z-index: 1060;
  font-family: var(--font-body);
  font-size: 13px;
  overflow: hidden;
}

/* Search box inside dropdown */
.select2-container--default .select2-search--dropdown .select2-search__field {
  border: var(--border) !important;
  border-radius: var(--radius-sm) !important;
  padding: 6px 10px;
  font-size: 13px;
  font-family: var(--font-body);
  background: var(--surface-alt) !important;
  color: var(--text-primary) !important;
  outline: none;
  width: 100%;
}

.select2-container--default .select2-search--dropdown .select2-search__field:focus {
  border-color: var(--navy) !important;
  box-shadow: 0 0 0 2px rgba(0, 33, 79, 0.10) !important;
}

/* Options list */
.select2-results__option {
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  transition: background var(--duration-fast);
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
  background: var(--navy-05) !important;
  color: var(--navy) !important;
}

.select2-container--default .select2-results__option[aria-selected="true"] {
  background: var(--navy-10) !important;
  color: var(--navy) !important;
  font-weight: 600;
}

.select2-container--default .select2-results__option--disabled {
  color: var(--text-tertiary);
}

/* Loading / no-results messages */
.select2-container--default .select2-results__message,
.select2-results__option.loading-results {
  color: var(--text-tertiary);
  font-size: 13px;
  padding: 12px;
}

/* ---- Dark mode overrides for Select2 ---- */
[data-theme="dark"] .select2-container--default .select2-selection--single {
  background-color: var(--surface-alt) !important;
  border-color: var(--border-color) !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%23B7C2D6' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 9l6 6 6-6'/%3E%3C/svg%3E") !important;
}

[data-theme="dark"] .select2-container--default .select2-selection--single:hover {
  border-color: rgba(253, 130, 20, 0.3) !important;
}

[data-theme="dark"] .select2-container--default.select2-container--focus .select2-selection--single,
[data-theme="dark"] .select2-container--default.select2-container--open .select2-selection--single {
  border-color: var(--orange) !important;
  box-shadow: 0 0 0 3px rgba(253, 130, 20, 0.2) !important;
}

[data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__rendered {
  color: var(--text-primary);
}

[data-theme="dark"] .select2-dropdown {
  background: var(--surface) !important;
  border-color: var(--border-color) !important;
  box-shadow: var(--shadow-lg) !important;
}

[data-theme="dark"] .select2-container--default .select2-search--dropdown .select2-search__field {
  background: var(--surface-alt) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .select2-container--default .select2-search--dropdown .select2-search__field:focus {
  border-color: var(--orange) !important;
  box-shadow: 0 0 0 2px rgba(253, 130, 20, 0.2) !important;
}

[data-theme="dark"] .select2-results__option {
  color: var(--text-primary);
}

[data-theme="dark"] .select2-container--default .select2-results__option--highlighted[aria-selected] {
  background: rgba(253, 130, 20, 0.12) !important;
  color: var(--orange) !important;
}

[data-theme="dark"] .select2-container--default .select2-results__option[aria-selected="true"] {
  background: rgba(253, 130, 20, 0.2) !important;
  color: var(--orange) !important;
}

/* ================================================================
   15. CHECKOUT, PRODUCT GRID, STAR RATING — missing pieces
   ================================================================ */

/* --- 15a. col-5-per-row (global, used in product_detail + bestsellers) --- */
@media (min-width: 1200px) {
  .col-5-per-row {
    flex: 0 0 20%;
    max-width: 20%;
  }
}

@media (min-width: 992px) and (max-width: 1199px) {
  .col-5-per-row {
    flex: 0 0 25%;
    max-width: 25%;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .col-5-per-row {
    flex: 0 0 33.333%;
    max-width: 33.333%;
  }
}

@media (max-width: 767px) {
  .col-5-per-row {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

/* --- 15b. Star rating (interactive, replaces radio buttons) --- */
.rating-stars {
  display: inline-flex;
  gap: 4px;
}

.rating-stars .star-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 2rem;
  color: #CBD5E1;
  transition: transform var(--duration-fast) var(--ease-out), color var(--duration-fast);
  padding: 2px;
  line-height: 1;
}

.rating-stars .star-btn.filled {
  color: var(--orange);
}

.rating-stars .star-btn:hover {
  transform: scale(1.18);
  color: var(--orange);
}

[data-theme="dark"] .rating-stars .star-btn {
  color: #3A4A60;
}

[data-theme="dark"] .rating-stars .star-btn.filled {
  color: var(--orange);
}

/* --- 15c. Icon-shape circle (checkout section headers) --- */
.icon-shape {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bg-primary-soft {
  background: var(--navy-05);
}

[data-theme="dark"] .bg-primary-soft {
  background: rgba(253, 130, 20, 0.12);
}

[data-theme="dark"] .icon-shape .bi,
[data-theme="dark"] .icon-shape i {
  color: var(--orange) !important;
}

/* --- 15d. Custom radio option card (address/billing selection) --- */
.custom-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--duration-fast), background var(--duration-fast);
  background: var(--surface);
  position: relative;
}

.custom-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.custom-option .option-content {
  flex: 1;
  min-width: 0;
}

.custom-option:hover {
  border-color: var(--border-color-hover);
  background: var(--navy-05);
}

.custom-option.active {
  border-color: var(--navy);
  background: var(--navy-05);
  box-shadow: 0 0 0 1px var(--navy);
}

[data-theme="dark"] .custom-option {
  background: var(--surface);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .custom-option:hover {
  border-color: rgba(253, 130, 20, 0.3);
  background: rgba(253, 130, 20, 0.05);
}

[data-theme="dark"] .custom-option.active {
  border-color: var(--orange);
  background: rgba(253, 130, 20, 0.08);
  box-shadow: 0 0 0 1px var(--orange);
}

/* --- 15e. Badge-status (Default / Varsayılan label) --- */
.badge-status {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--navy-10);
  color: var(--navy);
  white-space: nowrap;
}

[data-theme="dark"] .badge-status {
  background: rgba(253, 130, 20, 0.15);
  color: var(--orange-60);
}

/* --- 15f. Extra-small text utility --- */
.extra-small {
  font-size: 0.725rem;
  line-height: 1.4;
}

/* --- 15g. Pricing summary block (checkout order summary) --- */
.pricing-summary {
  background: var(--navy-05);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

[data-theme="dark"] .pricing-summary {
  background: var(--surface-alt);
}

/* Override Bootstrap bg-light so it respects dark mode */
[data-theme="dark"] .bg-light {
  background-color: var(--surface-alt) !important;
  color: var(--text-primary) !important;
}

/* --- 15h. Scrollable product lists (cart + checkout) --- */
.cart-items-scroll {
  max-height: 460px;
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.checkout-items-mini {
  max-height: 280px;
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.cart-items-scroll::-webkit-scrollbar,
.checkout-items-mini::-webkit-scrollbar {
  width: 4px;
}

.cart-items-scroll::-webkit-scrollbar-thumb,
.checkout-items-mini::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-pill);
}

/* --- 15i. Dark mode: checkout-step.active text visibility --- */
[data-theme="dark"] .checkout-step.active {
  color: var(--text-primary);
}

[data-theme="dark"] .checkout-step.active .step-circle {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

[data-theme="dark"] .checkout-step.completed .step-circle {
  background: var(--success-fg);
  border-color: var(--success-fg);
}

[data-theme="dark"] .checkout-step {
  color: var(--text-tertiary);
}

[data-theme="dark"] .checkout-step .step-circle {
  background: var(--surface-alt);
  border-color: var(--border-color);
  color: var(--text-tertiary);
}

/* ════════════════════════════════════════════════════════════════════════
   DARK MODE CONTRAST FIXES
   ════════════════════════════════════════════════════════════════════════ */

/* "Yeni Fatura Adresi Seç" link → .btn-link uses var(--navy) which collapses
   into the dark navy background. Force a readable orange in dark mode. */
[data-theme="dark"] .btn-link,
[data-theme="dark"] a.btn-link,
[data-theme="dark"] #toggle-new-billing-btn {
  color: var(--orange-60) !important;
  text-decoration: underline;
  text-underline-offset: 3px;
}

[data-theme="dark"] .btn-link:hover,
[data-theme="dark"] #toggle-new-billing-btn:hover {
  color: var(--orange) !important;
}

/* Generic dark-on-dark guard: any element that inherited a hard-coded dark
   color (text-dark / text-body / .text-navy) over a dark surface. */
[data-theme="dark"] .text-dark,
[data-theme="dark"] .text-body,
[data-theme="dark"] .text-navy,
[data-theme="dark"] .text-black {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .bg-white,
[data-theme="dark"] .bg-body {
  background-color: var(--surface) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .card .text-muted,
[data-theme="dark"] .custom-option .text-muted {
  color: var(--text-secondary) !important;
}

/* Form labels can render dark over the dark form-control bg */
[data-theme="dark"] label,
[data-theme="dark"] .form-label {
  color: var(--text-secondary);
}

/* ════════════════════════════════════════════════════════════════════════
   MODERN QUANTITY INCREMENTER (product detail)
   ════════════════════════════════════════════════════════════════════════ */
.qty-stepper {
  display: inline-flex;
  align-items: stretch;
  width: 100%;
  max-width: 180px;
  height: 44px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-pill);
  background: var(--surface);
  overflow: hidden;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.qty-stepper:focus-within {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(253, 130, 20, 0.18);
}

.qty-stepper__btn {
  flex: 0 0 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast);
  -webkit-user-select: none;
  user-select: none;
}

.qty-stepper__btn:hover:not(:disabled) {
  background: var(--orange-10);
  color: var(--orange);
}

.qty-stepper__btn:active:not(:disabled) {
  transform: scale(0.92);
}

.qty-stepper__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.qty-stepper__input {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  text-align: center;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  outline: none;
  /* Hide native number spinners */
  -moz-appearance: textfield;
}

.qty-stepper__input::-webkit-outer-spin-button,
.qty-stepper__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

[data-theme="dark"] .qty-stepper {
  background: var(--surface-alt);
  border-color: var(--border-color);
}

[data-theme="dark"] .qty-stepper__btn {
  color: var(--text-secondary);
}

[data-theme="dark"] .qty-stepper__btn:hover:not(:disabled) {
  background: rgba(253, 130, 20, 0.14);
  color: var(--orange);
}

/* ════════════════════════════════════════════════════════════════════════
   MOBILE RESPONSIVE SWEEP
   ════════════════════════════════════════════════════════════════════════ */
@media (max-width: 575.98px) {

  .container,
  .container-fluid {
    padding-left: 14px;
    padding-right: 14px;
  }

  /* Typography scales down to avoid horizontal overflow */
  h1,
  .h1,
  .t-h1 {
    font-size: 1.65rem !important;
    line-height: 1.2;
  }

  h2,
  .h2,
  .t-h2 {
    font-size: 1.35rem !important;
  }

  h3,
  .h3,
  .t-h3 {
    font-size: 1.15rem !important;
  }

  .product-detail-price {
    font-size: 1.5rem !important;
  }

  /* Cards: thinner padding on mobile */
  .card-body {
    padding: 1rem !important;
  }

  .card-body.p-4 {
    padding: 1rem !important;
  }

  /* Checkout summary card shouldn't sticky-cover content on mobile */
  .sticky-top {
    position: static !important;
  }

  /* Checkout billing options + custom-option stack vertically with breathing room */
  .billing-options {
    display: block;
  }

  .custom-option {
    padding: 10px 12px;
  }

  /* Pay button row stack */
  #pay-button {
    width: 100%;
  }

  /* Hide overflow-prone images on tight viewports */
  .checkout-items-mini img {
    width: 38px;
    height: 48px;
  }

  /* Tables → horizontal scroll instead of squashing */
  .table-responsive-mobile {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Quantity stepper full-width on mobile */
  .qty-stepper {
    max-width: 100%;
  }

  /* Navbar collapse spacing */
  .navbar-collapse {
    padding: 8px 0;
  }

  .navbar-nav .nav-link {
    padding: 10px 4px;
  }

  /* Filter/letter chips wrap nicely */
  .letter-filter,
  .filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
}

/* ════════════════════════════════════════════════════════════════════════
   CATALOG LETTER FILTER — compact horizontal chips
   ════════════════════════════════════════════════════════════════════════ */
.letter-filter {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.letter-filter__label {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  white-space: nowrap;
}

.letter-filter__track {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 3px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 2px 0;
  min-width: 0;
}

.letter-filter__track::-webkit-scrollbar {
  display: none;
}

.letter-filter__chip {
  flex-shrink: 0;
  min-width: 26px;
  height: 26px;
  padding: 0 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-mono);
  line-height: 1;
  color: var(--text-secondary);
  background: var(--surface-muted, rgba(0, 33, 79, 0.05));
  border: 1px solid transparent;
  text-decoration: none;
  transition:
    color var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.letter-filter__chip:hover {
  color: var(--orange);
  background: rgba(253, 130, 20, 0.1);
}

.letter-filter__chip.is-active {
  color: #fff;
  font-weight: 700;
  background: linear-gradient(135deg, var(--orange) 0%, #e67412 100%);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow:
    0 0 0 2px rgba(253, 130, 20, 0.5),
    0 4px 14px rgba(253, 130, 20, 0.45);
  position: relative;
  z-index: 1;
}

.letter-filter__chip.is-active:hover {
  color: #fff;
  background: linear-gradient(135deg, #ff9330 0%, var(--orange) 100%);
  border-color: rgba(255, 255, 255, 0.4);
}

.letter-filter__chip--all {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
}

.letter-filter__chip--all:hover {
  color: var(--navy);
  background: var(--surface-muted, rgba(0, 33, 79, 0.08));
}

[data-theme="dark"] .letter-filter__chip {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .letter-filter__chip:hover {
  background: rgba(253, 130, 20, 0.14);
  color: var(--orange);
  border-color: rgba(253, 130, 20, 0.35);
}

[data-theme="dark"] .letter-filter__chip.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--orange) 0%, #e67412 100%);
  border-color: rgba(253, 130, 20, 0.95);
  box-shadow:
    0 0 0 2px rgba(253, 130, 20, 0.65),
    0 0 16px rgba(253, 130, 20, 0.5),
    0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .letter-filter__chip.is-active:hover {
  color: #fff;
  background: linear-gradient(135deg, #ff9330 0%, var(--orange) 100%);
}

[data-theme="dark"] .letter-filter__chip--all:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 575.98px) {
  .letter-filter {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .letter-filter__track {
    width: 100%;
  }
}

/* ════════════════════════════════════════════════════════════════════════
   SHOP FILTER SIDEBAR — compact layout + Select2 polish
   ════════════════════════════════════════════════════════════════════════ */
.filter-sidebar .card-header h6 {
  font-size: 0.95rem;
  letter-spacing: 0.2px;
}

.filter-form .filter-group {
  margin-bottom: 0.65rem;
}

.filter-form .filter-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.filter-form .form-control-sm,
.filter-form .form-select-sm {
  font-size: 0.825rem;
}

/* Make Select2 match Bootstrap form-control-sm exactly */
.filter-form .select2-container .select2-selection--single {
  height: calc(1.5em + 0.5rem + 2px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.filter-form .select2-container--default .select2-selection--single .select2-selection__rendered {
  line-height: calc(1.5em + 0.5rem);
  padding-left: 0.5rem;
  color: var(--text-primary);
  font-size: 0.825rem;
}

.filter-form .select2-container--default .select2-selection--single .select2-selection__arrow {
  height: calc(1.5em + 0.5rem);
}

.filter-form .select2-container--default .select2-selection--single .select2-selection__clear {
  width: 20px;
  height: 20px;
  margin-right: 24px;
}

.filter-form .select2-container--default .select2-selection--single .select2-selection__clear::before {
  width: 10px;
  height: 10px;
}

.select2-container--open .select2-dropdown {
  border-color: var(--orange);
  box-shadow: var(--shadow-md);
}

.select2-dropdown .select2-search--dropdown .select2-search__field {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 0.825rem;
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
  background: var(--orange) !important;
  color: #fff !important;
}

[data-theme="dark"] .filter-form .select2-container .select2-selection--single {
  background: var(--surface-alt);
  border-color: var(--border-color);
}

[data-theme="dark"] .select2-dropdown {
  background: var(--surface);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .select2-container--default .select2-results__option {
  color: var(--text-primary);
}

[data-theme="dark"] .select2-dropdown .select2-search--dropdown .select2-search__field {
  background: var(--surface-alt);
  color: var(--text-primary);
  border-color: var(--border-color);
}

/* ════════════════════════════════════════════════════════════════════════
   HEADER SEARCH — icon + orange pill submit
   ════════════════════════════════════════════════════════════════════════ */
.search-input-group {
  position: relative;
}

.search-input-group .search-input {
  padding-left: 1rem !important;
  padding-right: 3rem !important;
}

.search-input-group .search-submit {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  z-index: 3;
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  padding: 0 !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none !important;
  border-radius: var(--radius-pill) !important;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-80, #e67412) 100%) !important;
  color: #fff !important;
  box-shadow: 0 2px 8px rgba(253, 130, 20, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.search-input-group .search-submit i {
  font-size: 1rem;
  font-weight: 700;
}

.search-input-group .search-submit:hover {
  transform: translateY(-50%) scale(1.04);
  box-shadow: 0 4px 12px rgba(253, 130, 20, 0.45);
  color: #fff !important;
}

.search-input-group .search-submit:active {
  transform: translateY(-50%) scale(0.98);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

[data-theme="dark"] .search-input-group .search-input:focus {
  border-color: var(--orange) !important;
  box-shadow: 0 0 0 3px rgba(253, 130, 20, 0.2), var(--shadow-sm) !important;
}

[data-theme="dark"] .search-input-group .search-submit {
  background: linear-gradient(135deg, var(--orange) 0%, #ff9a4d 100%) !important;
  box-shadow: 0 2px 10px rgba(253, 130, 20, 0.4);
}

/* ════════════════════════════════════════════════════════════════════════
   DARK MODE — REMOVE ALL GRADIENTS, FLAT SURFACES, READABLE TEXT
   (Overrides the earlier gradient blocks above so this is the final word.)
   ════════════════════════════════════════════════════════════════════════ */
[data-theme="dark"] body {
  background: var(--bg) !important;
  background-attachment: initial !important;
  background-image: none !important;
  color: var(--text-primary);
}

[data-theme="dark"] .card,
[data-theme="dark"] .book-card,
[data-theme="dark"] .cart-item,
[data-theme="dark"] .navbar-preview,
[data-theme="dark"] .product-meta-card,
[data-theme="dark"] .qty-ctrl,
[data-theme="dark"] .filter-sidebar,
[data-theme="dark"] .checkout-summary-card,
[data-theme="dark"] .pricing-summary,
[data-theme="dark"] .card-header,
[data-theme="dark"] .card-footer {
  background: var(--surface) !important;
  background-image: none !important;
  border-color: var(--border-color) !important;
  color: var(--text-primary);
}

[data-theme="dark"] .btn-primary {
  background: var(--orange) !important;
  background-image: none !important;
  border-color: var(--orange) !important;
  color: #fff !important;
}

[data-theme="dark"] .btn-primary:hover {
  background: var(--orange-80) !important;
  background-image: none !important;
  border-color: var(--orange-80) !important;
}

[data-theme="dark"] header.fixed-top,
[data-theme="dark"] header.shadow-sm.fixed-top {
  background: var(--surface) !important;
  background-image: none !important;
}

/* Catch every "dark text on dark surface" scenario explicitly */
[data-theme="dark"] *:not(.btn-primary):not(.badge):not(.alert) {
  /* never set color here — too broad — handled per-class below */
}

[data-theme="dark"] .text-dark,
[data-theme="dark"] .text-body,
[data-theme="dark"] .text-black,
[data-theme="dark"] .text-navy,
[data-theme="dark"] .text-muted-dark,
[data-theme="dark"] strong,
[data-theme="dark"] b,
[data-theme="dark"] p,
[data-theme="dark"] li,
[data-theme="dark"] td,
[data-theme="dark"] th,
[data-theme="dark"] dt,
[data-theme="dark"] dd,
[data-theme="dark"] label,
[data-theme="dark"] .form-label,
[data-theme="dark"] .badge.bg-body,
[data-theme="dark"] .badge.bg-light {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .small,
[data-theme="dark"] small,
[data-theme="dark"] .text-muted,
[data-theme="dark"] .extra-small,
[data-theme="dark"] .form-text {
  color: var(--text-secondary) !important;
}

/* Bootstrap utility classes that bake in light-mode colors */
[data-theme="dark"] .bg-body,
[data-theme="dark"] .bg-white {
  background-color: var(--surface) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .border {
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .table {
  color: var(--text-primary);
}

[data-theme="dark"] .breadcrumb-item,
[data-theme="dark"] .breadcrumb-item a {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .breadcrumb-item.active {
  color: var(--text-primary) !important;
}

@media (max-width: 767.98px) {

  /* Product detail purchase column appears under details with margin */
  .product-detail-grid>.col-lg-3 {
    margin-top: 1.5rem;
  }

  /* Two-column form rows on tiny screens become single column */
  .row.g-2>[class*="col-6"] {
    flex: 0 0 100%;
    max-width: 100%;
  }

  /* Order summary becomes a normal block */
  .checkout-summary-card {
    position: static !important;
    margin-top: 1.5rem;
  }

  /* Cart item rows stack */
  .cart-item-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* ════════════════════════════════════════════════════════════════════════
   LIGHT MODE POLISH — modern, slightly elevated surfaces, softer shadows
   ════════════════════════════════════════════════════════════════════════ */
html:not([data-theme="dark"]) body {
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(253, 130, 20, 0.05), transparent 60%),
    radial-gradient(1000px 500px at 110% 0%, rgba(0, 33, 79, 0.04), transparent 55%),
    #FAFBFD !important;
  background-attachment: fixed;
}

html:not([data-theme="dark"]) .card,
html:not([data-theme="dark"]) .book-card,
html:not([data-theme="dark"]) .filter-sidebar {
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 14px;
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 6px 18px rgba(15, 23, 42, 0.06);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

html:not([data-theme="dark"]) .card:hover,
html:not([data-theme="dark"]) .book-card:hover {
  transform: translateY(-2px);
  border-color: rgba(253, 130, 20, 0.25);
  box-shadow:
    0 2px 4px rgba(15, 23, 42, 0.05),
    0 14px 30px rgba(15, 23, 42, 0.08);
}

html:not([data-theme="dark"]) header.fixed-top {
  background: rgba(255, 255, 255, 0.78) !important;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06) !important;
}

html:not([data-theme="dark"]) .btn-primary {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 4px 14px rgba(253, 130, 20, 0.28);
}

html:not([data-theme="dark"]) .btn-primary:hover {
  background: #e87411;
  border-color: #e87411;
  box-shadow: 0 6px 18px rgba(253, 130, 20, 0.35);
  transform: translateY(-1px);
}

html:not([data-theme="dark"]) .form-control,
html:not([data-theme="dark"]) .form-select {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.10);
  border-radius: 10px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

html:not([data-theme="dark"]) .form-control:focus,
html:not([data-theme="dark"]) .form-select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(253, 130, 20, 0.12);
}

html:not([data-theme="dark"]) .badge.bg-body {
  background: #fff !important;
  border: 1px solid rgba(15, 23, 42, 0.08) !important;
  color: var(--text-primary) !important;
  font-weight: 500;
  border-radius: 999px;
}

html:not([data-theme="dark"]) .pagination .page-link {
  border-radius: 10px;
  margin: 0 2px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: var(--text-primary);
}

html:not([data-theme="dark"]) .pagination .page-item.active .page-link {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

/* ================================================================
   13. BRAND LOGO — theme-aware swap
   ================================================================ */
.brand-logo {
  display: none !important;
  width: auto;
  height: auto;
}

/* ≥576px: long logo (tablet + desktop) */
@media (min-width: 576px) {
  .brand-logo-long.brand-logo-light {
    display: block !important;
    max-height: 55px;
  }

  [data-theme="dark"] .brand-logo-long.brand-logo-light {
    display: none !important;
  }

  [data-theme="dark"] .brand-logo-long.brand-logo-dark {
    display: block !important;
    max-height: 55px;
  }
}

/* <576px: short worm logo */
@media (max-width: 575.98px) {
  .brand-logo-short.brand-logo-light {
    display: block !important;
    max-height: 40px;
  }

  [data-theme="dark"] .brand-logo-short.brand-logo-light {
    display: none !important;
  }

  [data-theme="dark"] .brand-logo-short.brand-logo-dark {
    display: block !important;
    max-height: 40px;
  }
}

/* ================================================================
   14. ADMIN PANEL — layout, sidebar, panels, KPIs
   ================================================================ */
.admin-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-6);
  align-items: start;
  padding: var(--space-6) var(--space-6) var(--space-12);
  max-width: var(--container-max);
  margin: 0 auto;
}

.admin-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.admin-brand {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--navy);
  padding: var(--space-2) var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-3);
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.admin-nav a:hover {
  background: var(--navy-05);
  color: var(--navy);
}

.admin-nav a.active {
  background: var(--navy);
  color: #fff;
}

.admin-main {
  min-width: 0;
}

.admin-main>h2 {
  font-weight: 700;
  margin-bottom: var(--space-5);
  color: var(--text-primary);
}

.admin-panel {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}

.admin-panel h5,
.admin-panel h6 {
  color: var(--text-primary);
  font-weight: 700;
}

.admin-panel .table {
  margin-bottom: 0;
}

.admin-panel .table thead th {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-alt);
}

.admin-panel .table td,
.admin-panel .table th {
  vertical-align: middle;
  border-color: var(--border-color);
}

.filters-row {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.filters-row .form-control,
.filters-row .form-select {
  max-width: 220px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-base), box-shadow var(--duration-base);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-card small {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.kpi-card h4 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.kpi-card .kpi-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--navy-05);
  color: var(--navy);
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.kpi-card.kpi-accent .kpi-icon {
  background: var(--orange-10);
  color: var(--orange);
}

@media (max-width: 991.98px) {
  .admin-shell {
    grid-template-columns: 1fr;
    padding: var(--space-4);
  }

  .admin-sidebar {
    position: static;
  }

  .admin-nav {
    flex-direction: row;
    overflow-x: auto;
    gap: var(--space-2);
  }

  .admin-nav a {
    white-space: nowrap;
  }
}

/* Dark-mode admin overrides */
[data-theme="dark"] .admin-sidebar,
[data-theme="dark"] .admin-panel,
[data-theme="dark"] .kpi-card {
  background: var(--surface);
  border-color: var(--border-color);
}

[data-theme="dark"] .admin-brand {
  color: var(--text-primary);
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .admin-nav a {
  color: var(--text-secondary);
}

[data-theme="dark"] .admin-nav a:hover {
  background: var(--surface-alt);
  color: var(--orange-60);
}

[data-theme="dark"] .admin-nav a.active {
  background: var(--orange);
  color: #fff;
}

[data-theme="dark"] .admin-panel .table thead th {
  background: var(--surface-alt);
  color: var(--text-secondary);
}

[data-theme="dark"] .kpi-card .kpi-icon {
  background: rgba(253, 130, 20, 0.12);
  color: var(--orange-60);
}

/* ================================================================
   15. MOBILE FIXES — tighten header and grid spacing on small screens
   ================================================================ */
@media (max-width: 575.98px) {

  /* Tighten navbar gutters so all icons fit at 375px */
  header .container,
  header .container-fluid {
    padding-left: 10px;
    padding-right: 10px;
  }

  header .navbar-brand {
    margin-right: auto !important;
  }

  header .navbar-icons-group {
    gap: 5px;
    flex-shrink: 0;
  }

  header .lang-switcher {
    flex-shrink: 0;
  }
}

/* Author/Publisher/Category popular cards — 2-up on xs, was full-width */
@media (max-width: 575.98px) {

  .author-card,
  .publisher-card {
    min-height: 60px !important;
  }

  .author-card .card-body,
  .publisher-card .card-body {
    padding: 0.75rem 0.5rem !important;
  }

  .author-card .card-title,
  .publisher-card .card-title {
    font-size: 0.875rem !important;
    margin-bottom: 0;
  }
}

/* Empty cart hero — shrink so footer is reachable without long scroll */
@media (max-width: 575.98px) {
  .empty-state .display-1 {
    font-size: 4rem !important;
  }
}