/* library.css — Content Library page styles. Uses theme.css design tokens. */

:root {
  --bg-deep: #0a0a12;
  --bg-surface: #12121e;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --fg: #e8e8f0;
  --fg-muted: #8888a8;
  --fg-dim: #555570;
  --accent: #00f0ff;
  --accent-glow: rgba(0, 240, 255, 0.15);
  --accent-secondary: #7b2fff;
  --accent-warm: #ff3c7a;
  --gradient-accent: linear-gradient(135deg, #00f0ff, #7b2fff);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  background: var(--bg-deep);
  color: var(--fg);
  font-family: var(--font-body), sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── PAGE HEADER ─────────────────────────────────────────────────────────── */
.lib-page {
  min-height: 100vh;
  padding: 0 0 80px;
}

.lib-hero {
  background: linear-gradient(160deg, #0a0a12 0%, #12121e 50%, #1a0a2e 100%);
  padding: 100px 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.lib-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.lib-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.lib-hero-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1.2;
}

.lib-hero-sub {
  color: var(--fg-muted);
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto;
}

/* ── FILTERS BAR ───────────────────────────────────────────────────────── */
.lib-filters {
  padding: 24px;
  background: var(--bg-surface);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 60px;
  z-index: 10;
}

.lib-filters-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.lib-filter-label {
  font-size: 12px;
  color: var(--fg-muted);
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.lib-filter-select {
  background: var(--bg-card);
  color: var(--fg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 8px 32px 8px 12px;
  font-size: 14px;
  font-family: var(--font-body);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238888a8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.2s;
}

.lib-filter-select:focus {
  outline: none;
  border-color: var(--accent);
}

.lib-search-form {
  display: flex;
  gap: 8px;
  flex: 1;
  min-width: 200px;
}

.lib-search-input {
  flex: 1;
  background: var(--bg-card);
  color: var(--fg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 14px;
  font-family: var(--font-body);
  transition: border-color 0.2s;
}

.lib-search-input:focus {
  outline: none;
  border-color: var(--accent);
}

.lib-search-input::placeholder {
  color: var(--fg-dim);
}

.lib-btn {
  background: var(--accent);
  color: #0a0a12;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: opacity 0.2s;
}

.lib-btn:hover { opacity: 0.85; }

.lib-btn-outline {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid rgba(255,255,255,0.12);
}

.lib-btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  opacity: 1;
}

/* ── CATEGORY TABS ─────────────────────────────────────────────────────── */
.lib-category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.lib-tab {
  background: var(--bg-card);
  color: var(--fg-muted);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.lib-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
  opacity: 1;
}

.lib-tab.active {
  background: var(--accent);
  color: #0a0a12;
  border-color: var(--accent);
  font-weight: 600;
}

/* ── GRID ───────────────────────────────────────────────────────────────── */
.lib-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
}

.lib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.lib-grid-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--fg-muted);
}

.lib-grid-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}

/* ── CARD ───────────────────────────────────────────────────────────────── */
.lib-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.lib-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 240, 255, 0.08);
}

.lib-card-thumb {
  width: 100%;
  height: 140px;
  background: linear-gradient(135deg, #1a1a2e, #12121e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
  overflow: hidden;
}

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

.lib-card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(26,26,46,0.9) 100%);
}

.lib-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.lib-card-badges {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.lib-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: 12px;
  text-transform: uppercase;
}

.lib-badge-cat { background: rgba(123, 47, 255, 0.2); color: #b07fff; }
.lib-badge-grade { background: rgba(0, 240, 255, 0.12); color: var(--accent); }
.lib-badge-free { background: rgba(0, 240, 255, 0.12); color: #00f0ff; }
.lib-badge-gated { background: rgba(255, 60, 122, 0.12); color: var(--accent-warm); }
.lib-badge-file {
  background: rgba(255,255,255,0.06);
  color: var(--fg-muted);
  border: 1px solid rgba(255,255,255,0.08);
}

.lib-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
  line-height: 1.3;
}

.lib-card-desc {
  font-size: 13px;
  color: var(--fg-muted);
  flex: 1;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lib-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.lib-dl-count {
  font-size: 12px;
  color: var(--fg-dim);
}

.lib-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #0a0a12;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s;
}

.lib-download-btn:hover { opacity: 0.85; }

.lib-preview-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(0,240,255,0.4);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.lib-preview-btn:hover {
  background: var(--accent-glow);
  opacity: 1;
}

/* ── ITEM DETAIL PAGE ───────────────────────────────────────────────────── */
.lib-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: 100px 24px 80px;
}

.lib-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg-muted);
  font-size: 14px;
  text-decoration: none;
  margin-bottom: 32px;
  transition: color 0.2s;
}

.lib-detail-back:hover { color: var(--accent); }

.lib-detail-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  overflow: hidden;
}

.lib-detail-thumb {
  height: 240px;
  background: linear-gradient(135deg, #1a1a2e, #0a0a2e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

.lib-detail-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lib-detail-body {
  padding: 32px;
}

.lib-detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.lib-detail-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.lib-detail-desc {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.lib-detail-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 28px;
}

.lib-detail-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lib-detail-stat-label {
  font-size: 11px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

.lib-detail-stat-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
}

/* ── GATE / SUBSCRIPTION CTA ────────────────────────────────────────────── */
.lib-gate {
  background: linear-gradient(135deg, rgba(0,240,255,0.08), rgba(123,47,255,0.08));
  border: 1px solid rgba(0,240,255,0.25);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin-bottom: 28px;
}

.lib-gate-icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: block;
}

.lib-gate-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.lib-gate-desc {
  color: var(--fg-muted);
  font-size: 14px;
  margin-bottom: 24px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.lib-gate-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.lib-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s;
}

.lib-btn-primary:hover { opacity: 0.85; }

.lib-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.lib-btn-secondary:hover {
  border-color: var(--fg-muted);
  color: var(--fg);
}

/* ── RESPONSIVE ────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .lib-filters-inner { gap: 8px; }
  .lib-grid { grid-template-columns: 1fr; }
  .lib-detail-thumb { height: 180px; }
  .lib-detail-body { padding: 20px; }
  .lib-detail-meta { gap: 16px; }
}