/* =============================================
   Masdar Kitoblari — Stillar
   Dizayn: Zumrad yashil + Oltin premium uslub
   ============================================= */

/* ---- Google Fonts ---- */
/* Imported in index.html */

/* =============================================
   DESIGN TOKENS
   ============================================= */
:root {
  /* Colors - Light Mode (Classic Bookstore) */
  --color-primary: #4A3022;      /* Deep mahogany/wood */
  --color-primary-light: #6E4935; /* Lighter wood */
  --color-primary-dark: #322117;  /* Dark wood */
  --color-accent: #B8860B;        /* Antique gold/bronze */
  --color-accent-light: #DAA520;
  --color-accent-dark: #8B6508;

  --color-bg: #FDFBF7;           /* Warm paper cream */
  --color-bg-alt: #F4F1EA;       /* Slightly darker paper */
  --color-surface: #FFFFFF;
  --color-surface-hover: #F8F6F1;
  --color-text: #2C221E;         /* Very dark brown/almost black */
  --color-text-secondary: #63534D;
  --color-text-muted: #8F827B;
  --color-border: #E8E2D9;       /* Soft beige border */

  --color-hero-bg: #322117;
  --color-hero-text: #FDFBF7;

  --color-badge-weekly: #4A3022;
  --color-badge-bestseller: #B8860B;
  --color-badge-new: #365B6D;    /* Muted classic blue */

  --color-success: #3E7B43;
  --color-error: #B23A3A;

  /* Shadows (Softer, warmer shadows) */
  --shadow-sm: 0 1px 2px rgba(44,34,30,0.05);
  --shadow-md: 0 4px 8px rgba(44,34,30,0.06), 0 2px 4px rgba(44,34,30,0.04);
  --shadow-lg: 0 10px 24px rgba(44,34,30,0.08), 0 4px 10px rgba(44,34,30,0.06);
  --shadow-xl: 0 20px 40px rgba(44,34,30,0.12);  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --container-max: 1200px;
  --container-padding: 24px;

  /* Radius (More rounded, like kitoblar) */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Header height */
  --header-height: 64px;
}

/* ---- Dark Mode ---- */
[data-theme="dark"] {
  --color-bg: #161616;          /* Dark gray kitoblar background */
  --color-bg-alt: #1F1F1F;
  --color-surface: #242424;     
  --color-surface-hover: #2A2A2A;
  --color-text: #FFFFFF;
  --color-text-secondary: #9CA3AF;
  --color-text-muted: #6B7280;
  --color-border: #333333;
  --color-hero-bg: #37332A;      /* Specific brownish-grey kitoblar hero */
  --color-hero-text: #FFFFFF;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.5);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.5);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.5);
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: none;
  background: none;
  font: inherit;
  cursor: pointer;
  color: inherit;
}

ul, ol {
  list-style: none;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* =============================================
   ANNOUNCEMENT BAR
   ============================================= */
.announcement-bar {
  background: #F3F4F6;
  color: #111111;
  text-align: center;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  overflow: hidden;
  position: relative;
}

.announcement-bar__text {
  display: inline-block;
  white-space: nowrap;
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #161616;
  border-bottom: 1px solid #2A2A2A;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 16px;
}

/* Hamburger */
.header__hamburger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.header__hamburger:hover {
  background: var(--color-bg-alt);
}

.header__hamburger svg {
  width: 22px;
  height: 22px;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.footer__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Navigation */
.header__nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header__nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: #9CA3AF;
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link:hover {
  color: #FFFFFF;
}

/* Header Actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Toggle Pill */
.lang-toggle-pill {
  display: flex;
  align-items: center;
  background: #111111;
  border: 1px solid #333333;
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
}

.lang-toggle-pill__btn {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  transition: all var(--transition-fast);
  color: #9CA3AF;
  background: transparent;
}

.lang-toggle-pill__btn--active {
  background: #E5E7EB;
  color: #111111;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid #333333;
  background: transparent;
  color: #9CA3AF;
  transition: background var(--transition-fast);
}

.theme-toggle:hover {
  background: #1F1F1F;
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* User & Cart buttons */
.header__action-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid #333333;
  background: transparent;
  color: #9CA3AF;
  transition: background var(--transition-fast);
  position: relative;
}

.header__action-btn:hover {
  background: #1F1F1F;
}

.header__action-btn svg {
  width: 18px;
  height: 18px;
}

/* Cart button (white pill) */
.header__cart-btn-white {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: #F3F4F6;
  border: none;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #111111;
  transition: all var(--transition-fast);
  position: relative;
  cursor: pointer;
}

.header__cart-btn-white:hover {
  background: #FFFFFF;
}

.header__cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: #EF4444;
  color: #fff;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  padding: 32px 0;
  position: relative;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--color-hero-bg);
  border-radius: var(--radius-xl);
  padding: 64px;
  position: relative;
  overflow: hidden;
}

/* Decorative background elements */
.hero__grid::after {
  content: 'MASDAR';
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%) rotate(-15deg);
  font-family: serif;
  font-size: 14rem;
  color: rgba(255, 255, 255, 0.05);
  line-height: 1;
  pointer-events: none;
  font-style: italic;
}

.hero__content {
  max-width: 520px;
  position: relative;
  z-index: 2;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  color: var(--color-hero-text);
}

.hero__subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: #FFFFFF;
  color: #111111;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.hero__cta:hover {
  background: #F3F4F6;
}

.hero__rating {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: #111111;
  color: #9CA3AF;
  border-radius: 999px;
  font-size: 0.85rem;
}

.hero__rating-star {
  color: #FFFFFF;
  font-weight: 700;
}

.hero__decoration {
  display: none;
}

/* Hero decoration */
.hero__decoration {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image {
  width: 100%;
  max-width: 460px;
  height: 300px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  box-shadow: var(--shadow-xl);
}

.hero__pattern {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 200px;
  height: 200px;
  opacity: 0.2;
}

/* =============================================
   SEARCH SECTION
   ============================================= */
.search-section {
  padding: 32px 0;
}

.search-bar {
  display: flex;
  max-width: 700px;
  margin: 0 auto;
  background: #111111;
  border-radius: 999px;
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.search-bar:focus-within {
  box-shadow: 0 0 0 2px #333333;
}

.search-bar__input {
  flex: 1;
  padding: 16px 28px;
  border: none;
  background: transparent;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: #FFFFFF;
  outline: none;
}

.search-bar__input::placeholder {
  color: #6B7280;
}

.search-bar__btn {
  padding: 12px 32px;
  background: #FFFFFF;
  color: #111111;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 999px;
  margin: 6px;
  transition: background var(--transition-fast);
  border: none;
  cursor: pointer;
}

.search-bar__btn:hover {
  background: #F3F4F6;
}

/* =============================================
   CATEGORIES
   ============================================= */
.categories {
  padding: 0 0 24px;
}

.categories__scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 0 var(--container-padding);
  scrollbar-width: none;
  -ms-overflow-style: none;
  max-width: var(--container-max);
  margin: 0 auto;
}

.categories__scroll::-webkit-scrollbar {
  display: none;
}

.categories__tag {
  flex-shrink: 0;
  padding: 10px 24px;
  background: #111111;
  border: none;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #9CA3AF;
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.categories__tag:hover {
  background: #1F1F1F;
  color: #FFFFFF;
}

.categories__tag--active {
  background: #FFFFFF;
  color: #111111;
}

/* =============================================
   SECTION HEADERS
   ============================================= */
.section {
  padding: 40px 0;
}

.section__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
}

.section__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: #FFFFFF;
}

.section__subtitle {
  font-size: 0.9rem;
  color: #6B7280;
  margin-top: 4px;
}

.section__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: #9CA3AF;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.section__link:hover {
  color: #FFFFFF;
}

/* =============================================
   CAROUSEL
   ============================================= */
.carousel {
  position: relative;
}

.carousel__track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 0 16px;
  scroll-snap-type: x mandatory;
}

.carousel__track::-webkit-scrollbar {
  display: none;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 5;
  transition: all var(--transition-fast);
  opacity: 0;
}

.carousel:hover .carousel__btn {
  opacity: 1;
}

.carousel__btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.carousel__btn--prev {
  left: -16px;
}

.carousel__btn--next {
  right: -16px;
}

.carousel__btn svg {
  width: 18px;
  height: 18px;
}

/* =============================================
   BOOK CARD
   ============================================= */
.book-card {
  flex-shrink: 0;
  width: 190px;
  scroll-snap-align: start;
  cursor: pointer;
  transition: transform var(--transition-normal);
}

.book-card:hover {
  transform: translateY(-4px);
}

.book-card__cover {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4.2;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.book-card:hover .book-card__cover {
  box-shadow: var(--shadow-md);
}

.book-card__cover-art {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  position: relative;
}

.book-card__cover-letter {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 800;
  color: rgba(255,255,255,0.25);
  position: absolute;
  bottom: 16px;
  right: 16px;
  line-height: 1;
}

.book-card__cover-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  text-align: center;
  line-height: 1.3;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
  z-index: 1;
  max-width: 85%;
}

.book-card__cover-author {
  position: absolute;
  bottom: 12px;
  left: 16px;
  font-size: 0.7rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  z-index: 1;
}

/* Badge */
.book-card__badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #242424;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  z-index: 2;
  border: 1px solid #333;
}

/* Book info */
.book-card__info {
  margin-bottom: 10px;
}

.book-card__title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-card__author {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.book-card__price {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
}

.book-card__add-btn {
  width: 100%;
  padding: 10px 16px;
  background: #F3F4F6;
  border: none;
  border-radius: var(--radius-sm);
  color: #111111;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-normal);
}

.book-card__add-btn:hover {
  background: #FFFFFF;
}

/* =============================================
   FEATURED SECTION
   ============================================= */
.featured {
  padding: 48px 0;
}

.featured__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.featured__text-block {
  background: var(--color-surface);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.featured__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.featured__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.25;
}

.featured__desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  line-height: 1.7;
}

.featured__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--color-text);
  color: var(--color-bg);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  align-self: flex-start;
}

.featured__cta:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.featured__image-block {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 360px;
}

.featured__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
}

.featured__image-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 12px;
}

.featured__image-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  max-width: 380px;
  line-height: 1.6;
}

.featured__image-line {
  width: 80px;
  height: 3px;
  background: var(--color-accent);
  margin-bottom: 16px;
}

/* =============================================
   INFO CARDS
   ============================================= */
.info-cards {
  padding: 32px 0;
}

.info-cards__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition-base);
}

.info-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.info-card__icon {
  width: 40px;
  height: 40px;
  background: rgba(13, 107, 75, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.info-card__icon svg {
  width: 22px;
  height: 22px;
}

.info-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.info-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* =============================================
   CATALOG VIEW
   ============================================= */
.catalog {
  display: none;
  padding: 32px 0;
}

.catalog--active {
  display: block;
}

.catalog__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.catalog__filters {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.catalog__filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.catalog__filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  min-width: 80px;
}

.catalog__filter-tag {
  padding: 5px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.catalog__filter-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.catalog__filter-tag--active {
  background: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
}

[data-theme="dark"] .catalog__filter-tag--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* Catalog Grid */
.catalog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.catalog__grid .book-card {
  width: 100%;
}

/* =========================================
   LOGIN MODAL
========================================= */
.login-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.login-modal-overlay--open {
  opacity: 1;
  visibility: visible;
}

.login-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -48%) scale(0.95);
  background: var(--bg-primary);
  width: 90%;
  max-width: 500px;
  border-radius: var(--radius-lg);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  text-align: center;
}

.login-modal--open {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  visibility: visible;
}

.login-modal__header {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.login-modal__close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
  border-radius: 50%;
}

.login-modal__close:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.nav__action--logged-in {
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.nav__action--logged-in:hover {
  border-color: var(--text-secondary);
}

.login-modal__close svg {
  width: 24px;
  height: 24px;
}

.login-modal__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.login-modal__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.telegram-login-container {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
  min-height: 48px; /* space for widget */
}

.login-modal__terms {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 1.5rem;
}

.login-modal__terms a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Pagination */
.catalog__pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.catalog__page-btn {
  padding: 10px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.catalog__page-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

.catalog__page-info {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* =============================================
   CART DRAWER
   ============================================= */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(4px);
}

.cart-overlay--active {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: 400px;
  max-width: 90vw;
  height: 100vh;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-slow);
  box-shadow: var(--shadow-xl);
}

.cart-drawer--open {
  right: 0;
}

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.cart-drawer__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
}

.cart-drawer__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.cart-drawer__close:hover {
  background: var(--color-bg-alt);
}

.cart-drawer__close svg {
  width: 20px;
  height: 20px;
}

.cart-drawer__items {
  flex: 1;
  overflow-y: auto;
  padding: 16px 24px;
}

.cart-drawer__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-text-muted);
  gap: 16px;
}

.cart-drawer__item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.cart-drawer__item:last-child {
  border-bottom: none;
}

.cart-drawer__item-cover {
  width: 60px;
  height: 80px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cart-drawer__item-letter {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: rgba(255,255,255,0.5);
}

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

.cart-drawer__item-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cart-drawer__item-author {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.cart-drawer__item-price {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.cart-drawer__item-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cart-drawer__qty-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.cart-drawer__qty-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.cart-drawer__qty {
  font-weight: 600;
  min-width: 24px;
  text-align: center;
}

.cart-drawer__remove-btn {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--color-error);
  transition: opacity var(--transition-fast);
}

.cart-drawer__remove-btn:hover {
  opacity: 0.7;
}

.cart-drawer__footer {
  border-top: 1px solid var(--color-border);
  padding: 20px 24px;
}

.cart-drawer__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.cart-drawer__total-label {
  font-size: 1rem;
  font-weight: 500;
}

.cart-drawer__total-amount {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
}

.cart-drawer__checkout {
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.cart-drawer__checkout:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 107, 75, 0.3);
}

/* =============================================
   CART TOAST
   ============================================= */
.cart-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--color-primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 300;
  opacity: 0;
  transition: all var(--transition-slow);
  white-space: nowrap;
  max-width: 90vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =============================================
   MOBILE MENU
   ============================================= */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 150;
  visibility: hidden;
}

.mobile-menu--open {
  visibility: visible;
}

.mobile-menu__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  transition: opacity var(--transition-base);
  backdrop-filter: blur(4px);
}

.mobile-menu--open .mobile-menu__overlay {
  opacity: 1;
}

.mobile-menu__content {
  position: absolute;
  top: 0;
  left: -300px;
  width: 280px;
  height: 100%;
  background: var(--color-surface);
  padding: 24px;
  transition: left var(--transition-slow);
  overflow-y: auto;
}

.mobile-menu--open .mobile-menu__content {
  left: 0;
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.mobile-menu__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}

.mobile-menu__close svg {
  width: 20px;
  height: 20px;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu__link {
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.mobile-menu__link:hover {
  background: var(--color-bg-alt);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 24px;
  margin-top: 40px;
}

[data-theme="dark"] .footer {
  background: #080D0B;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.footer__logo-icon {
  width: 32px;
  height: 32px;
}

.footer__tagline {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.footer__about {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.footer__social-link {
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
}

.footer__title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  color: var(--color-text);
}

.footer__text {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 6px;
}

.footer__link {
  display: block;
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* =============================================
   HOME VIEW TOGGLE
   ============================================= */
.home-content {
  display: block;
}

.home-content--hidden {
  display: none;
}

/* =============================================
   RESPONSIVE
   ============================================= */

/* Tablet */


/* =============================================
   CHECKOUT & SUCCESS MODALS (BASE)
   ============================================= */
.checkout-overlay, .success-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1050;
  display: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.checkout-overlay.active, .success-overlay.active {
  display: block;
  opacity: 1;
  visibility: visible;
}

.checkout-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background: var(--color-surface);
  width: 90%;
  max-width: 500px;
  border-radius: 16px;
  z-index: 1100;
  display: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.checkout-modal.active {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.checkout-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.checkout-modal__header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.checkout-modal__header button {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px;
}

.checkout-form {
  padding: 24px;
}

.checkout-form .form-group {
  margin-bottom: 20px;
}

.checkout-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.checkout-form input,
.checkout-form select,
.checkout-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.checkout-form input:focus,
.checkout-form select:focus,
.checkout-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.btn-checkout-submit {
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 10px;
}

.success-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background: var(--color-surface);
  width: 90%;
  max-width: 400px;
  border-radius: 20px;
  z-index: 1100;
  display: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  text-align: center;
  padding: 40px 30px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.success-modal.active {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.success-icon {
  width: 80px;
  height: 80px;
  background: rgba(62, 123, 67, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.success-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-success);
}

.success-modal h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.success-modal p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

.btn-success-close {
  padding: 12px 32px;
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

/* =============================================
   TABLET
   ============================================= */



/* =============================================
   CHECKOUT & SUCCESS MODALS (BASE)
   ============================================= */
.checkout-overlay, .success-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1050;
  display: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.checkout-overlay.active, .success-overlay.active {
  display: block;
  opacity: 1;
  visibility: visible;
}

.checkout-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background: var(--color-surface);
  width: 90%;
  max-width: 500px;
  border-radius: 16px;
  z-index: 1100;
  display: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.checkout-modal.active {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.checkout-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.checkout-modal__header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.checkout-modal__header button {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px;
}

.checkout-form {
  padding: 24px;
}

.checkout-form .form-group {
  margin-bottom: 20px;
}

.checkout-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.checkout-form input,
.checkout-form select,
.checkout-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.checkout-form input:focus,
.checkout-form select:focus,
.checkout-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.btn-checkout-submit {
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 10px;
}

.success-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background: var(--color-surface);
  width: 90%;
  max-width: 400px;
  border-radius: 20px;
  z-index: 1100;
  display: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  text-align: center;
  padding: 40px 30px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.success-modal.active {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.success-icon {
  width: 80px;
  height: 80px;
  background: rgba(62, 123, 67, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.success-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-success);
}

.success-modal h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.success-modal p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

.btn-success-close {
  padding: 12px 32px;
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

/* =============================================
   TABLET
   ============================================= */

@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__decoration { display: none; }
  .featured__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* =============================================
   MOBILE
   ============================================= */
@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
    --header-height: 56px;
  }

  /* Header */
  .header__hamburger { display: flex; }
  .header__nav { display: none; }
  .lang-toggle-pill { display: none; }
  .header__cart-btn span:not(.header__cart-count) { display: none; }
  .header__cart-btn { padding: 8px; border: none; }
  .header__cart-btn-white { padding: 8px 14px; font-size: 0.85rem; }

  /* Hero */
  .hero { padding: 32px 0; min-height: auto; }
  .hero__title { font-size: 1.6rem; line-height: 1.25; }
  .hero__subtitle { font-size: 0.95rem; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__cta { text-align: center; padding: 14px; font-size: 1rem; border-radius: 12px; }

  /* Search */
  .search-bar__input { font-size: 1rem; padding: 14px 16px; }
  .search-bar__btn { padding: 14px 18px; }

  /* Categories */
  .categories__scroll { padding: 0 16px; gap: 8px; }
  .category-chip { padding: 8px 16px; font-size: 0.85rem; white-space: nowrap; }

  /* Sections */
  .section { padding: 24px 0; }
  .section__header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .section__title { font-size: 1.2rem; }

  /* Book cards */
  .book-card { width: 150px; min-width: 150px; }
  .book-card__cover-art { height: 190px; }

  /* Carousel */
  .carousel__btn { display: none; }
  .carousel__track { gap: 12px; padding: 4px 16px 16px; }

  /* Catalog */
  .catalog__grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .catalog__filter-group { overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .catalog__filter-group::-webkit-scrollbar { display: none; }

  /* Featured */
  .featured__image-block { min-height: 220px; }
  .featured__text-block { padding: 28px 16px; }
  .featured__title { font-size: 1.4rem; }
  .featured__cta { width: 100%; text-align: center; padding: 14px; }

  /* Info cards */
  .info-cards__grid { grid-template-columns: 1fr; gap: 12px; }

  /* Footer */
  .footer__grid { grid-template-columns: 1fr; gap: 24px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; font-size: 0.8rem; }

  /* Cart Drawer - full screen on mobile */
  .cart-drawer { width: 100%; max-width: 100%; }
  .cart-drawer__close { width: 40px; height: 40px; background: var(--color-bg-alt); border-radius: 50%; }

  /* Checkout Modal - full screen on mobile, hidden by default */
  .checkout-modal {
    position: fixed !important;
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    border-radius: 0 !important;
    top: 0 !important;
    left: 0 !important;
    overflow-y: auto;
    background: var(--color-surface) !important;
    z-index: 1100;
  }
  .checkout-overlay { display: none !important; }

  /* Success Modal - small centered card */
  .success-modal {
    width: 85%;
    max-width: 320px;
    padding: 2rem 1.5rem;
    border-radius: 16px;
  }
  .success-icon,
  .success-icon svg {
    width: 72px !important;
    height: 72px !important;
  }
  .success-modal h3 { font-size: 1.3rem; }
  .success-modal p { font-size: 0.9rem; }
}

/* =============================================
   SMALL PHONES
   ============================================= */
@media (max-width: 480px) {
  .book-card { width: 140px; min-width: 140px; }
  .book-card__cover-art { height: 175px; }
  .hero__title { font-size: 1.5rem; }
}

/* =============================================
   SCROLLBAR
   ============================================= */
@supports (scrollbar-width: thin) {
  * { scrollbar-width: thin; scrollbar-color: var(--color-border) transparent; }
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in { animation: fadeInUp 0.5s ease forwards; }
.book-card:nth-child(1) { animation-delay: 0ms; }
.book-card:nth-child(2) { animation-delay: 50ms; }
.book-card:nth-child(3) { animation-delay: 100ms; }
.book-card:nth-child(4) { animation-delay: 150ms; }
.book-card:nth-child(5) { animation-delay: 200ms; }
.book-card:nth-child(6) { animation-delay: 250ms; }

/* =============================================
   PREMIUM DESIGN OVERRIDES
   ============================================= */

/* Base Typography & Colors */
:root {
  --color-primary: #8B6508;
  --color-primary-dark: #6E4935;
}

[data-theme="dark"] {
  --color-bg: #161616;
  --color-surface: #242424; 
  --color-border: #333333;
  --color-primary: #B8860B;
}

body {
  background-color: var(--color-bg);
}

/* Book Cards */
.book-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  height: 100%;
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.1);
  border-color: var(--color-primary);
}

.book-card__cover {
  width: 100%;
  aspect-ratio: 2 / 3 !important; /* Perfect book ratio */
  position: relative;
  border-radius: 0;
  box-shadow: none;
  margin-bottom: 0;
  background: #f1f5f9;
}
[data-theme="dark"] .book-card__cover {
  background: #242424;
}

.book-card__cover-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 0;
}

.book-card__body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.book-card__title {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--color-text);
}

.book-card__author {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.book-card__price {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: auto;
  margin-bottom: 12px;
}

.book-card__btn {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  background: var(--color-primary);
  color: white;
  border: none;
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.2s;
}
.book-card__btn:hover {
  background: var(--color-primary-dark);
}

/* Add Cart Icon to button and hide text on mobile */
.book-card__btn::before {
  content: '';
  display: inline-block;
  width: 16px; height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M3 3h2l.4 2M7 13h10l4-8H5.4M7 13L5.4 5M7 13l-2.293 2.293c-.63.63-.184 1.707.707 1.707H17m0 0a2 2 0 100 4 2 2 0 000-4zm-8 2a2 2 0 11-4 0 2 2 0 014 0z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

/* Category Pills */
.category-chip {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 99px;
  padding: 8px 16px;
  font-weight: 500;
  transition: all 0.2s;
}
.category-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.category-chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* Search Bar */
.search-bar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.search-bar__input {
  background: transparent;
}
.search-bar__btn {
  background: var(--color-primary);
  border-radius: 8px;
  margin: 4px;
}

/* Header */
.header {
  background: rgba(var(--color-surface-rgb), 0.95) !important;
  backdrop-filter: blur(8px);
}

@media (max-width: 768px) {
  .book-card {
    width: 100%; /* Fill grid cell */
    min-width: 0;
  }
  .catalog__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0 16px;
  }
  .books-scroll-track .book-card {
    width: 140px;
    min-width: 140px;
  }
  .book-card__cover {
    height: auto; /* rely on aspect ratio */
  }
  
  /* Make button just an icon on very small screens if needed, but text is fine if it fits */
  .book-card__btn span {
    font-size: 0.8rem;
  }
}