/* ===== BRATASENA DIGITAL LIBRARY =====
 * Dark Academia Theme · Gold & Maroon Accents
 * HP-First Design
 * ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Literata:opsz,wght@7..72,300;7..72,400;7..72,500;7..72,600&family=Inter:wght@300;400;500;600&display=swap');

/* ===== RESET & VARIABLES ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a28;
  --bg-elevated: #222236;
  --bg-overlay: rgba(0,0,0,0.75);

  --gold: #ffffff; /* Putih flat menggantikan gold */
  --gold-light: #ffffff;
  --gold-dark: #ffffff;
  --gold-dim: #cccccc;
  --maroon: #8b1a1a;
  --maroon-light: #c03232;
  --maroon-dark: #5c1010;

  --text-primary: #ffffff; /* Putih flat */
  --text-secondary: #cccccc;
  --text-muted: #888888;
  --text-inverse: #0a0a0f;

  --border: #2a2a3a;
  --border-gold: rgba(201, 168, 76, 0.3);

  --success: #2d8a4e;
  --error: #c03232;

  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Literata', Georgia, 'Times New Roman', serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.15);

  --max-read: 680px;
  --max-content: 1200px;
}

*, *::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(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--gold); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--gold-light); }

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ===== TOP BAR ===== */
.top-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s;
}

.top-bar.scrolled {
  background: rgba(10,10,15,0.95);
}

.top-bar-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 1px;
}

.top-bar-logo span {
  color: var(--text-secondary);
  font-weight: 400;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-gold {
  background: var(--gold);
  color: var(--text-inverse);
}
.btn-gold:hover {
  background: var(--gold-light);
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--text-inverse);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-icon {
  width: 38px; height: 38px;
  padding: 0;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-icon:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--bg-elevated);
}

/* ===== HERO / LANDING ===== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100svh; /* support for mobile dynamic viewport */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Force body to not scroll when on index/landing */
body.page-landing {
  overflow: hidden;
  height: 100vh;
  height: 100svh;
}

/* The 9:16 image slot */
.hero-image {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.hero-image-placeholder {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: linear-gradient(135deg, #1a0a0a 0%, #0a0a1a 50%, #1a1a0a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-placeholder .placeholder-icon {
  font-size: 4rem;
  opacity: 0.15;
  text-align: center;
  line-height: 1.4;
  color: var(--gold);
}

/* Overlay gradient */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background: linear-gradient(to top, var(--bg-primary) 0%, transparent 100%);
  z-index: 1;
}

/* Top gradient for readability */
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 30%;
  background: linear-gradient(to bottom, rgba(10,10,15,0.8) 0%, transparent 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 100px 24px 60px;
  max-width: 600px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--gold-dim);
  border-radius: 20px;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--gold);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 8vw, 4rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1.15;
  margin-bottom: 12px;
  text-shadow: 0 2px 30px rgba(0,0,0,0.5);
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1rem, 3vw, 1.4rem);
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.hero-tagline {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-actions .btn {
  min-width: 220px;
  padding: 14px 32px;
  font-size: 1rem;
}

/* ===== BUTTONS OVERRIDES FOR LANDING (GLASSMORPHISM) ===== */
.page-landing .hero-actions .btn-outline {
  background: rgba(255, 255, 255, 0.07) !important;
  color: #ffffff !important;
  border: 1.5px solid rgba(255, 255, 255, 0.4) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2) !important;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.page-landing .hero-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  border-color: rgba(255, 255, 255, 0.8) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 30px rgba(255, 255, 255, 0.15) !important;
  transform: translateY(-1px);
}

.page-landing .btn-ghost {
  border-color: transparent;
  color: rgba(255, 255, 255, 0.5);
}
.page-landing .btn-ghost:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

/* Modals on landing page */
.page-landing .modal {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(18, 18, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Landing Page Floating Footer */
.hero-footer-copyright {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.4);
  width: 90%;
  letter-spacing: 0.5px;
}

.hero-footer-copyright a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: underline;
  cursor: pointer;
  transition: color 0.3s;
}
.hero-footer-copyright a:hover {
  color: #ffffff;
}

/* Auth buttons on hero */
.hero-auth {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  display: flex;
  gap: 8px;
}

.hero-auth .btn {
  padding: 8px 16px;
  font-size: 0.8rem;
}

/* ===== AUTH MODAL ===== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.3s ease;
}

.modal-overlay.active { display: flex; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px 28px;
  width: 100%;
  max-width: 400px;
  position: relative;
  animation: slideUp 0.3s ease;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal-close {
  position: absolute;
  top: 12px; right: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color 0.3s;
}
.modal-close:hover { color: var(--text-primary); }

.modal-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold);
  margin-bottom: 4px;
}

.modal-subtitle {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.modal-device-warning {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(201, 168, 76, 0.08);
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--gold);
  line-height: 1.5;
}

.modal-device-warning .icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.3s;
}

.form-group input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(201, 168, 76, 0.15);
}

.form-error {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.form-error.show { display: block; }

.form-submit {
  width: 100%;
  margin-top: 8px;
}

.form-toggle {
  text-align: center;
  margin-top: 16px;
  font-family: var(--font-ui);
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.form-toggle a {
  color: var(--gold);
  cursor: pointer;
  font-weight: 500;
}
.form-toggle a:hover { color: var(--gold-light); }

/* ===== PAGE CONTENT ===== */
.page {
  padding-top: 68px;
  min-height: 100vh;
}

/* ===== LIBRARY PAGE ===== */
.library-header {
  text-align: center;
  padding: 40px 20px 20px;
}

.library-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold);
  margin-bottom: 6px;
}

.library-header p {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); /* Larger size to accommodate horizontal list */
  gap: 16px;
  padding: 16px;
  max-width: var(--max-content);
  margin: 0 auto;
}

@media (max-width: 599px) {
  .library-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px;
  }
}

@media (min-width: 600px) {
  .library-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    padding: 20px;
  }
}

/* ===== HORIZONTAL CARD FOR MULTI-NOVEL LIST ===== */
.novel-card-horizontal {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  transition: all 0.3s ease;
  padding: 10px;
  min-height: 100px;
  box-sizing: border-box;
}

.novel-card-horizontal:hover {
  border-color: var(--gold-dim);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.novel-card-h-cover {
  width: 65px;
  aspect-ratio: 2/3;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-elevated);
}

.novel-card-h-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.novel-card-h-cover .no-cover-small {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold-dim);
  opacity: 0.3;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.novel-card-h-info {
  margin-left: 12px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.novel-card-h-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gold);
  line-height: 1.3;
  margin-bottom: 3px;
}

.novel-card-h-desc {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  color: var(--text-secondary);
  line-height: 1.35;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.novel-card-h-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.novel-card-h-meta span {
  padding: 1px 6px;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  background: var(--bg-elevated);
  color: var(--text-muted);
}

.novel-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s ease;
  position: relative;
}

.novel-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-dim);
  box-shadow: var(--shadow-gold);
}

.novel-card-cover {
  aspect-ratio: 2/3;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.novel-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.novel-card-cover .no-cover {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--gold-dim);
  opacity: 0.3;
  text-align: center;
  padding: 20px;
}

.novel-card-info {
  padding: 14px;
}

.novel-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 4px;
  line-height: 1.3;
}

.novel-card-author {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.novel-card-season {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 4px;
}

.novel-card-meta {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.novel-card-meta span {
  padding: 2px 8px;
  border-radius: 10px;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

/* ===== READER PAGE ===== */
.reader-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  min-height: 56px;
}

.reader-topbar .back-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 0.83rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.3s;
  background: none;
  border: none;
  padding: 4px;
}
.reader-topbar .back-link:hover { color: var(--gold); }

.reader-topbar-title {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 8px;
}

.reader-topbar-title strong {
  color: var(--text-primary);
  font-weight: 500;
}

.reader-controls {
  display: flex;
  gap: 4px;
  align-items: center;
}

.reader-controls .btn-icon {
  width: 34px; height: 34px;
  font-size: 0.95rem;
}

/* Font size controls */
.font-size-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.font-size-controls .btn-icon {
  width: 30px; height: 30px;
  font-size: 0.85rem;
}

.font-size-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--text-muted);
  min-width: 28px;
  text-align: center;
}

/* ===== SIDEBAR CHAPTER LIST ===== */
.sidebar-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 500;
  display: none;
}
.sidebar-overlay.active { display: block; }

.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  z-index: 501;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-header {
  padding: 20px 16px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 2px;
}

.sidebar-header p {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.sidebar-season {
  padding: 12px 16px 4px;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gold-dim);
  font-weight: 600;
}

.sidebar-chapter {
  display: block;
  padding: 10px 16px 10px 24px;
  font-family: var(--font-ui);
  font-size: 0.84rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.sidebar-chapter:hover {
  color: var(--text-primary);
  background: rgba(201, 168, 76, 0.05);
  border-left-color: var(--gold-dim);
}

.sidebar-chapter.active {
  color: var(--gold);
  border-left-color: var(--gold);
  background: rgba(201, 168, 76, 0.08);
}

.sidebar-chapter .chapter-num {
  display: inline-block;
  min-width: 28px;
  color: var(--text-muted);
  font-size: 0.78rem;
}

/* ===== READING AREA ===== */
.reader-content {
  padding: 80px 20px 80px;
  max-width: var(--max-read);
  margin: 0 auto;
  min-height: 100vh;
}

.reader-chapter-header {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.reader-chapter-number {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--gold-dim);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.reader-chapter-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold);
  line-height: 1.3;
}

.reader-body {
  font-family: var(--font-body);
  font-size: var(--reader-font-size, 1rem);
  line-height: 1.9;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.reader-body p {
  margin-bottom: 1.2em;
  text-indent: 0;
}

/* ===== PROGRESS BAR ===== */
.reader-progress {
  position: fixed;
  top: 56px; left: 0; right: 0;
  height: 3px;
  background: var(--border);
  z-index: 99;
}

.reader-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold));
  width: 0%;
  transition: width 0.3s;
}

/* ===== CHAPTER NAV ===== */
.chapter-nav {
  display: flex;
  justify-content: space-between;
  padding: 32px 0;
  margin-top: 32px;
  border-top: 1px solid var(--border);
}

.chapter-nav .btn {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.chapter-nav .btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== SEPIA THEME ===== */
body.theme-sepia {
  --bg-primary: #f4ecd8;
  --bg-secondary: #ece4c8;
  --bg-card: #e8dcc0;
  --bg-elevated: #ddd4b4;
  --text-primary: #3a3028;
  --text-secondary: #6a5c4a;
  --text-muted: #9a8c7a;
  --border: #d4c8a8;
  --bg-overlay: rgba(0,0,0,0.2);
}

body.theme-sepia .hero::after {
  background: linear-gradient(to top, #f4ecd8 0%, transparent 100%);
}

body.theme-sepia .top-bar {
  background: rgba(244, 236, 216, 0.92);
  backdrop-filter: blur(20px);
}

body.theme-sepia .reader-body {
  color: #3a3028;
}

body.theme-sepia .modal {
  background: var(--bg-secondary);
}

/* ===== LIGHT THEME ===== */
body.theme-light {
  --bg-primary: #f5f2ed;
  --bg-secondary: #edebe6;
  --bg-card: #e6e2da;
  --bg-elevated: #ddd8ce;
  --text-primary: #1a1814;
  --text-secondary: #5a5248;
  --text-muted: #8a8278;
  --border: #d4cec4;
  --bg-overlay: rgba(0,0,0,0.1);
}

body.theme-light .hero::after {
  background: linear-gradient(to top, #f5f2ed 0%, transparent 100%);
}

body.theme-light .top-bar {
  background: rgba(245, 242, 237, 0.92);
  backdrop-filter: blur(20px);
}

body.theme-light .reader-body {
  color: #1a1814;
}

body.theme-light .modal {
  background: var(--bg-secondary);
}

body.theme-light .hero-title {
  color: var(--gold-dark);
}

body.theme-light .novel-card-title {
  color: var(--gold-dark);
}

/* ===== NOTIFICATION ===== */
.notification {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 24px;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-primary);
  box-shadow: var(--shadow);
  z-index: 3000;
  opacity: 0;
  transition: all 0.4s ease;
  max-width: 90vw;
  text-align: center;
}

.notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.notification.success { border-color: var(--success); }
.notification.error { border-color: var(--error); }
.notification.error .icon { color: var(--error); }

/* ===== UTILITY ===== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

/* ===== ABOUT SECTION (below hero) ===== */
.about-section {
  padding: 60px 20px;
  max-width: var(--max-content);
  margin: 0 auto;
  text-align: center;
}

.about-section h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold);
  margin-bottom: 16px;
}

.about-section p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
  font-size: 0.95rem;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  display: block;
}

.stat-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 768px) {
  .hero-content {
    padding: 120px 40px 80px;
  }

  .hero-auth {
    top: 20px;
    right: 24px;
  }

  .hero-auth .btn {
    padding: 10px 22px;
    font-size: 0.85rem;
  }

  .reader-content {
    padding: 90px 32px 80px;
  }

  .reader-topbar {
    padding: 10px 24px;
  }

  .library-grid {
    padding: 32px;
  }
}

/* ===== READING PROGRESS ON SIDEBAR ===== */
.sidebar-chapter .read-indicator {
  float: right;
  font-size: 0.65rem;
  color: var(--success);
  opacity: 0.6;
}

/* ===== LOADING ===== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.loading::after {
  content: '';
  width: 20px; height: 20px;
  margin-left: 10px;
  border: 2px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ===== FOOTER ===== */
.site-footer {
  text-align: center;
  padding: 40px 20px;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.site-footer a {
  color: var(--gold-dim);
}