@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');

:root {
  --color-primary: #8B4513;
  --color-primary-light: #A0522D;
  --color-primary-dark: #5C2D0A;
  --color-secondary: #D4A853;
  --color-secondary-light: #E8C47A;
  --color-secondary-dark: #B8862E;
  --color-accent: #2E4057;
  --color-accent-light: #3D5A7A;
  --color-accent-dark: #1A2B3C;
  --color-warm: #F5E6D3;
  --color-warm-dark: #EDD5B8;
  --color-paper: #FAF3E8;
  --color-parchment: #F0E4C8;
  --color-ink: #1C1208;
  --color-text-primary: #2C1A0E;
  --color-text-secondary: #6B4423;
  --color-text-muted: #9B7355;
  --color-border: #D4B896;
  --color-border-light: #E8D5BC;
  --color-success: #4A7C59;
  --color-error: #A63228;
  --color-warning: #C4872A;
  --shadow-sm: 0 1px 3px rgba(44, 26, 14, 0.12), 0 1px 2px rgba(44, 26, 14, 0.08);
  --shadow-md: 0 4px 12px rgba(44, 26, 14, 0.15), 0 2px 6px rgba(44, 26, 14, 0.10);
  --shadow-lg: 0 8px 24px rgba(44, 26, 14, 0.18), 0 4px 12px rgba(44, 26, 14, 0.12);
  --shadow-xl: 0 16px 40px rgba(44, 26, 14, 0.22), 0 8px 20px rgba(44, 26, 14, 0.15);
  --shadow-inset: inset 0 2px 6px rgba(44, 26, 14, 0.10);
  --shadow-gold: 0 4px 16px rgba(212, 168, 83, 0.35);
  --shadow-book: 4px 4px 0px rgba(44, 26, 14, 0.25), 6px 6px 0px rgba(44, 26, 14, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  --font-display: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Palatino Linotype', 'Palatino', 'Book Antiqua', serif;
  --font-ui: system-ui, -apple-system, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.40s ease;
  --transition-spring: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-paper);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-warm);
  border-left: 1px solid var(--color-border-light);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary-light), var(--color-primary-dark));
  border-radius: var(--radius-full);
  border: 2px solid var(--color-warm);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
}

::-webkit-scrollbar-corner {
  background: var(--color-warm);
}

::selection {
  background-color: var(--color-secondary-light);
  color: var(--color-ink);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary-dark);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-text-primary);
  line-height: 1.3;
  font-weight: 700;
}

p {
  margin-bottom: 1rem;
  color: var(--color-text-secondary);
}

/* ===================== HEADER & NAVIGATION ===================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  box-shadow: var(--shadow-lg);
  border-bottom: 3px solid var(--color-secondary);
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary-dark), var(--color-secondary-light), var(--color-secondary-dark));
}

.site-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M20 20c0-5.5-4.5-10-10-10s-10 4.5-10 10 4.5 10 10 10 10-4.5 10-10zm10 0c0-5.5-4.5-10-10-10s-10 4.5-10 10 4.5 10 10 10 10-4.5 10-10z'/%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.header-inner {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: transform var(--transition-spring);
}

.site-logo:hover {
  transform: scale(1.03);
}

.site-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-gold);
  font-size: 1.4rem;
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

.site-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-logo .logo-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.site-logo .logo-tagline {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  color: var(--color-secondary-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 400;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav .nav-link {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  letter-spacing: 0.01em;
}

.main-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 70%;
  height: 2px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-spring);
}

.main-nav .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.main-nav .nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.main-nav .nav-link.active {
  color: var(--color-secondary-light);
  background: rgba(212, 168, 83, 0.15);
}

.main-nav .nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.85);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 1.25rem;
  position: relative;
}

.header-icon-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.header-icon-btn .badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 16px;
  height: 16px;
  background: var(--color-secondary);
  color: var(--color-primary-dark);
  font-size: 0.6rem;
  font-weight: 700;
  font-family: var(--font-ui);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-primary-dark);
}

.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 1.4rem;
}

.mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.mobile-menu {
  background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-accent-dark) 100%);
  border-top: 1px solid rgba(212, 168, 83, 0.3);
  padding: 1rem 1.5rem 1.5rem;
}

.mobile-menu .mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-menu .mobile-nav-link:hover {
  color: var(--color-secondary-light);
  background: rgba(212, 168, 83, 0.12);
  padding-left: 1.25rem;
}

.mobile-menu .mobile-nav-link i {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
  color: var(--color-secondary);
}

/* ===================== COOKIE BANNER ===================== */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
  border-top: 2px solid var(--color-secondary);
  box-shadow: 0 -8px 32px rgba(44, 26, 14, 0.35);
  padding: 1.25rem 1.5rem;
  transform: translateY(0);
  transition: transform var(--transition-slow);
}

.cookie-banner.hidden {
  transform: translateY(110%);
}

.cookie-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary-dark), var(--color-secondary-light), var(--color-secondary-dark));
}

.cookie-banner-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner .cookie-icon {
  font-size: 2rem;
  flex-shrink: 0;
  animation: wobble 3s ease-in-out infinite;
}

@keyframes wobble {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-8deg); }
  75% { transform: rotate(8deg); }
}

.cookie-banner .cookie-content {
  flex: 1;
  min-width: 250px;
}

.cookie-banner .cookie-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}

.cookie-banner .cookie-text {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
  line-height: 1.5;
}

.cookie-banner .cookie-text a {
  color: var(--color-secondary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner .cookie-text a:hover {
  color: var(--color-secondary);
}

.cookie-banner .cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ===================== BUTTONS ===================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.375rem;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.025em;
  white-space: nowrap;
  user-select: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
  pointer-events: none;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

.btn:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  color: #fff;
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm), 0 2px 0 var(--color-primary-dark);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 4px 0 var(--color-primary-dark);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  color: var(--color-ink);
  border-color: var(--color-secondary-dark);
  box-shadow: var(--shadow-gold), 0 2px 0 var(--color-secondary-dark);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
  color: var(--color-ink);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 168, 83, 0.45), 0 4px 0 var(--color-secondary-dark);
}

.btn-secondary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-warm-dark);
  color: var(--color-text-primary);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-error), #7A2520);
  color: #fff;
  border-color: #7A2520;
  box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #C03A30, #8B2B25);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 0.4rem 0.875rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-xl {
  padding: 1.125rem 2.5rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-lg);
  letter-spacing: 0.04em;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-icon-sm {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
}

.btn-loading {
  pointer-events: none;
  opacity: 0.75;
}

.btn-loading::after {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 0.375rem;
}

/* ===================== FORMS ===================== */

.form-group {
  margin-bottom: 1.375rem;
  position: relative;
}

.form-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  background: var(--color-paper);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  appearance: none;
  box-shadow: var(--shadow-inset);
}

.form-control::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.form-control:hover {
  border-color: var(--color-primary-light);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.15), var(--shadow-inset);
}

.form-control.is-valid {
  border-color: var(--color-success);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%234A7C59' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 16px;
  padding-right: 2.5rem;
}

.form-control.is-invalid {
  border-color: var(--color-error);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%23A63228' d='M10 12a2 2 0 100-4 2 2 0 000 4zm0 2a1 1 0 100 2 1 1 0 000-2z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 16px;
  padding-right: 2.5rem;
}

.form-control:focus.is-invalid {
  box-shadow: 0 0 0 3px rgba(166, 50, 40, 0.15);
}

.form-feedback {
  font-family: var(--font-ui);
  font-size: 0.78125rem;
  margin-top: 0.35rem;
}

.form-feedback.valid {
  color: var(--color-success);
}

.form-feedback.invalid {
  color: var(--color-error);
}

.form-helper {
  font-family: var(--font-ui);
  font-size: 0.78125rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%236B4423' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-checkbox-group,
.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  margin-top: 2px;
}

.form-check .check-label {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  cursor: pointer;
}

.form-check .check-label a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.input-group {
  display: flex;
  position: relative;
}

.input-group .form-control {
  flex: 1;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .input-addon {
  padding: 0.75rem 1rem;
  background: var(--color-warm-dark);
  border: 2px solid var(--color-border);
  border-left: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
}

.input-group .btn {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-with-icon {
  position: relative;
}

.input-with-icon .form-control {
  padding-left: 2.75rem;
}

.input-with-icon .input-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  pointer-events: none;
  transition: color var(--transition-base);
}

.input-with-icon .form-control:focus + .input-icon,
.input-with-icon:focus-within .input-icon {
  color: var(--color-primary);
}

.form-fieldset {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  background: var(--color-warm);
}

.form-legend {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
  padding: 0 0.5rem;
  letter-spacing: 0.02em;
}

/* ===================== CARDS ===================== */

.card {
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-image {
  position: relative;
  overflow: hidden;
  background: var(--color-warm);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image img {
  transform: scale(1.06);
}

.card-body {
  padding: 1.25rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.card-subtitle {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}

.card-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-footer {
  padding: 1rem 1.25rem;
  background: var(--color-warm);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

/* Book Card Specific */
.book-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-book);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  position: relative;
}

.book-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary-dark));
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
  z-index: 1;
}

.book-card:hover {
  transform: translateY(-6px) rotate(0.5deg);
  box-shadow: 8px 14px 32px rgba(44, 26, 14, 0.25), 2px 4px 0 rgba(44, 26, 14, 0.15);
  border-color: var(--color-secondary);
}

.book-card .book-cover {
  height: 240px;
  background: linear-gradient(135deg, var(--color-warm), var(--color-parchment));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.book-card .book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.book-card:hover .book-cover img {
  transform: scale(1.07);
}

.book-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  z-index: 2;
}

.book-badge-new {
  background: var(--color-secondary);
  color: var(--color-ink);
}

.book-badge-sale {
  background: var(--color-error);
  color: #fff;
}

.book-badge-best {
  background: var(--color-primary);
  color: #fff;
}

.book-info {
  padding: 1.25rem;
}

.book-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.3rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-author {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  font-style: italic;
}

.book-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.book-price .price-current {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-primary);
}

.book-price .price-original {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.book-price .price-discount {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-error);
  background: rgba(166, 50, 40, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
}

.book-rating {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: 0.75rem;
}

.stars {
  display: flex;
  gap: 2px;
  color: var(--color-secondary);
  font-size: 0.875rem;
}

.book-rating .rating-count {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ===================== HERO SECTION ===================== */

.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-primary-dark) 40%, var(--color-primary) 70%, var(--color-secondary-dark) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(212, 168, 83, 0.2);
  border: 1px solid rgba(212, 168, 83, 0.4);
  color: var(--color-secondary-light);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero-title .highlight {
  color: var(--color-secondary-light);
  position: relative;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  opacity: 0.6;
}

.hero-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: left;
}

.hero-stat .stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-secondary-light);
  display: block;
  line-height: 1;
}

.hero-stat .stat-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: block;
  margin-top: 0.25rem;
}

/* ===================== SECTIONS ===================== */

.section {
  padding: 4rem 0;
}

.section-lg {
  padding: 5.5rem 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary-dark);
  margin-bottom: 0.625rem;
  position: relative;
  padding: 0 1.25rem;
}

.section-eyebrow::before,
.section-eyebrow::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 1.5rem;
  height: 1px;
  background: var(--color-secondary);
}

.section-eyebrow::before { right: 100%; }
.section-eyebrow::after { left: 100%; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.875rem;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.section-bg-warm {
  background: linear-gradient(135deg, var(--color-warm) 0%, var(--color-parchment) 100%);
}

.section-bg-dark {
  background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-primary-dark) 100%);
}

/* ===================== GRID LAYOUTS ===================== */

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.75rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.four-col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* ===================== CATEGORY CARDS ===================== */

.category-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-warm), var(--color-parchment));
  border: 2px solid var(--color-border-light);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-spring);
  box-shadow: var(--shadow-sm);
}

.category-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-gold);
}

.category-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
  color: #fff;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-spring);
}

.category-card:hover .category-icon {
  transform: scale(1.1) rotate(5deg);
}

.category-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.category-count {
  font-family: var(--font-ui);
  font-size: 0.78125rem;
  color: var(--color-text-muted);
}

/* ===================== ACCORDION ===================== */

.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.accordion-item {
  border-bottom: 1px solid var(--color-border-light);
}

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

.accordion-header {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1.125rem 1.375rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-base);
}

.accordion-header:hover {
  background: var(--color-warm);
}

.accordion-item.active .accordion-header {
  background: linear-gradient(135deg, var(--color-warm), var(--color-parchment));
  border-bottom: 1px solid var(--color-border-light);
}

.accordion-title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  transition: color var(--transition-base);
}

.accordion-item.active .accordion-title {
  color: var(--color-primary);
}

.accordion-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background: var(--color-warm-dark);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 1rem;
  transition: all var(--transition-spring);
}

.accordion-item.active .accordion-icon {
  background: var(--color-primary);
  color: #fff;
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.active .accordion-content {
  max-height: 600px;
}

.accordion-body {
  padding: 1.125rem 1.375rem 1.5rem;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===================== FILTERS & SIDEBAR ===================== */

.filter-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  align-self: flex-start;
  position: sticky;
  top: 90px;
}

.filter-group {
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--color-border-light);
}

.filter-group:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.filter-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.875rem;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.375rem 0;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.filter-option:hover {
  color: var(--color-primary);
}

.filter-option input {
  accent-color: var(--color-primary);
}

.filter-option label {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  flex: 1;
}

.filter-option .filter-count {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-warm-dark);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
}

/* Price Range */
.price-range {
  width: 100%;
  accent-color: var(--color-primary);
}

.price-range-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* ===================== PAGINATION ===================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  margin-top: 2.5rem;
}

.page-item {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-spring);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  background: #fff;
  text-decoration: none;
}

.page-item:hover {
  background: var(--color-warm);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.page-item.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.page-item.dots {
  border-color: transparent;
  background: transparent;
  cursor: default;
  color: var(--color-text-muted);
}

/* ===================== BANNERS ===================== */

.promo-banner {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-accent) 50%, var(--color-accent-dark) 100%);
  border-radius: var(--radius-2xl);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.promo-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: rgba(212, 168, 83, 0.1);
  border-radius: 50%;
}

.promo-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -30px;
  width: 240px;
  height: 240px;
  background: rgba(212, 168, 83, 0.07);
  border-radius: 50%;
}

.promo-banner .banner-content {
  position: relative;
  z-index: 2;
}

/* ===================== TABS ===================== */

.tabs-wrapper {
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 2rem;
}

.tabs-list {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-list::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-base);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-spring);
}

.tab-btn:hover {
  color: var(--color-text-primary);
}

.tab-btn.active {
  color: var(--color-primary);
}

.tab-btn.active::after {
  transform