/* Modern Clean Design System for Blinkist Reader */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --accent-glow: rgba(34, 197, 94, 0.2);
  --border: #334155;
  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --header-bg: rgba(15, 23, 42, 0.85);
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Merriweather', Georgia, serif;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #16a34a;
  --accent-hover: #15803d;
  --accent-glow: rgba(22, 163, 74, 0.15);
  --border: #e2e8f0;
  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --header-bg: rgba(255, 255, 255, 0.85);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-icon {
  font-size: 1.75rem;
  background: linear-gradient(135deg, #22c55e, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text h1 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
}

.icon-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: var(--border);
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, var(--accent-glow) 0%, transparent 60%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.hero-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 2rem;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 140px;
  box-shadow: var(--card-shadow);
}

.stat-val {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Curator Section */
.curator-section {
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(30, 41, 59, 0.5) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--card-shadow);
}

.curator-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.curator-header-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.curator-fire-icon {
  font-size: 1.6rem;
}

.curator-header-title h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.curator-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
}

.curator-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.curator-date-tab {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.curator-date-tab:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

.curator-date-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.curator-card-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.curator-theme-box {
  background: rgba(34, 197, 94, 0.1);
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.curator-books-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.curator-book-item {
  background: var(--bg-input);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cbi-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.cbi-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.cbi-score {
  background: rgba(234, 179, 8, 0.2);
  color: #facc15;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  flex-shrink: 0;
  margin-left: 0.5rem;
}

.cbi-verdict {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.cbi-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  align-self: flex-start;
}

.cbi-link:hover {
  text-decoration: underline;
}

.curator-conclusion {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: #93c5fd;
}

/* Main Controls */
.main-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem 4rem;
}

.controls-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 280px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.85rem 2.5rem 0.85rem 2.85rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.2s;
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.clear-btn {
  position: absolute;
  right: 0.85rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
}

.sort-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-input);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.sort-box label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.sort-box select {
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
}

/* Language Filter */
.language-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.lang-pill {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.lang-pill:hover {
  background: var(--border);
  color: var(--text-primary);
}

.lang-pill.active {
  background: #3b82f6;
  color: #ffffff;
  border-color: #3b82f6;
}

.category-tags {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
  scrollbar-width: thin;
}

.cat-tag {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.cat-tag:hover {
  background: var(--border);
  color: var(--text-primary);
}

.cat-tag.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* Books Grid */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.book-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s;
  cursor: pointer;
  position: relative;
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.3);
  border-color: var(--accent);
}

.card-top {
  display: flex;
  padding: 1.25rem;
  gap: 1rem;
}

.card-cover {
  width: 95px;
  height: 130px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-input);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.card-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-badges {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.badge-date {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
}

.badge-duration {
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent);
}

.badge-audio {
  background: rgba(234, 179, 8, 0.15);
  color: #eab308;
}

.badge-lang-en {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.badge-lang-de {
  background: rgba(234, 179, 8, 0.15);
  color: #facc15;
}

.badge-lang-es {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-author {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.card-body {
  padding: 0 1.25rem 1rem;
  flex: 1;
}

.card-synopsis {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.card-footer {
  padding: 0.85rem 1.25rem;
  background: rgba(0, 0, 0, 0.1);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.read-btn {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  text-decoration: none;
}

.read-btn:hover {
  text-decoration: underline;
}

/* Curator Highlight in Reader View */
.curator-highlight-box {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(59, 130, 246, 0.15));
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.ch-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.ch-badge {
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--accent);
}

.ch-score {
  font-weight: 800;
  font-size: 0.85rem;
  background: rgba(234, 179, 8, 0.25);
  color: #facc15;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

.ch-verdict {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

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

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

/* Loading & Empty states */
.loading-state, .empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

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

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* Site Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  background: var(--bg-secondary);
}

.footer-container a {
  color: var(--accent);
  text-decoration: none;
}

.footer-container a:hover {
  text-decoration: underline;
}

.footer-credit {
  margin-top: 0.5rem;
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .books-grid {
    grid-template-columns: 1fr;
  }
}