/* ============================================
   Sentient Futures — Hyperstition for Animals
   Dark warm theme inspired by compassionbench.com
   ============================================ */

:root {
  --bg-deep:        #0F0D0B;
  --bg-panel:       #161412;
  --bg-card:        rgba(30, 27, 24, 0.5);
  --bg-card-solid:  #1e1b18;
  --bg-card-hover:  rgba(36, 32, 28, 0.6);
  --bg-input:       #1a1714;
  --bg-input-focus: #1e1b18;

  --accent:         #18B49C;
  --accent-hover:   #1CD4B8;
  --accent-dim:     #14967F;
  --accent-glow:    rgba(24, 180, 156, 0.10);
  --accent-glow-strong: rgba(24, 180, 156, 0.22);

  --text:           #F2E9DE;
  --text-secondary: #CAAF91;
  --text-muted:     #7A6E60;

  --border:         rgba(80, 70, 60, 0.3);
  --border-accent:  rgba(24, 180, 156, 0.2);

  --white:          #ffffff;
  --font-display:   'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-w:          1140px;
  --ease:           cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --radius:         8px;
  --radius-sm:      6px;
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

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

a { color: var(--accent); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--accent-hover); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }
.hidden { display: none !important; }

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15, 13, 11, 0.88);
  backdrop-filter: blur(24px) saturate(1.3);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo-img { height: 32px; width: auto; border-radius: 4px; transition: opacity 0.2s; }
.nav-logo:hover .nav-logo-img { opacity: 0.8; }

.nav-links { display: flex; list-style: none; gap: 36px; align-items: center; }
.nav-links a { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; color: var(--text-secondary); transition: color 0.25s; }
.nav-links a:hover { color: var(--accent); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--text-secondary); }

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--bg-deep);
}

#starfield { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 24px 60px;
  max-width: 720px;
}

.hero-logo {
  height: 52px; width: auto; border-radius: 6px;
  margin-bottom: 24px;
  opacity: 0; animation: fadeUp 0.8s var(--ease) 0.2s forwards;
}

.hero-eyebrow {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
  opacity: 0; animation: fadeUp 0.8s var(--ease) 0.3s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 700; line-height: 1.08; color: var(--text);
  opacity: 0; animation: fadeUp 0.8s var(--ease) 0.4s forwards;
}

.hero-line { display: block; }
.hero-line-accent {
  font-style: italic; font-weight: 500;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-divider {
  width: 56px; height: 2px; background: var(--accent);
  margin: 24px auto; border-radius: 1px;
  opacity: 0; animation: fadeUp 0.8s var(--ease) 0.5s forwards;
}

.hero-subtitle {
  font-size: 1rem; font-weight: 300; color: var(--text-secondary);
  line-height: 1.8; max-width: 560px; margin: 0 auto 36px;
  opacity: 0; animation: fadeUp 0.8s var(--ease) 0.6s forwards;
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bg-deep); background: var(--accent);
  padding: 15px 40px; border-radius: var(--radius-sm);
  transition: background 0.3s var(--ease), transform 0.2s var(--ease);
  opacity: 0; animation: fadeUp 0.8s var(--ease) 0.7s forwards;
}
.btn-primary:hover { background: var(--accent-hover); color: var(--bg-deep); transform: translateY(-1px); }

/* ─── Sections ─── */
.section { padding: 80px 0; }
.section-dark { background: var(--bg-panel); }
.section-generator { background: var(--bg-deep); }

.section-header { margin-bottom: 40px; }
.section-header-center { text-align: center; }

.section-label {
  display: inline-block; font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 600; color: var(--text); line-height: 1.2;
}

.section-desc { margin-top: 10px; font-size: 0.95rem; font-weight: 300; color: var(--text-secondary); }
.section-desc-secondary { margin-top: 14px; font-size: 0.88rem; max-width: 600px; margin-left: auto; margin-right: auto; line-height: 1.75; }
.section-desc-secondary a { color: var(--accent); font-weight: 400; }
.section-desc-secondary a:hover { color: var(--accent-hover); }

.nav-active { color: var(--accent) !important; }

/* ─── Generator ─── */
.generator-wrap {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 0.8px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.format-toggle {
  display: flex; margin-bottom: 32px;
  background: var(--bg-deep); border-radius: var(--radius-sm);
  padding: 4px; border: 1px solid var(--border);
}

.format-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px; font-family: var(--font-body); font-size: 0.82rem;
  font-weight: 500; letter-spacing: 0.04em; color: var(--text-secondary);
  background: transparent; border: none;
  border-radius: calc(var(--radius-sm) - 2px); cursor: pointer;
  transition: all 0.25s var(--ease);
}
.format-btn:hover { color: var(--text); }
.format-btn.active { background: var(--accent); color: var(--bg-deep); font-weight: 600; }
.format-btn svg { stroke: currentColor; }

.gen-form { display: flex; flex-direction: column; }
.form-fields { display: flex; flex-direction: column; }

.form-group { margin-bottom: 22px; }

.form-group label {
  display: block; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-secondary); margin-bottom: 8px;
}
.form-group label .optional {
  font-weight: 400; letter-spacing: 0; text-transform: none;
  color: var(--text-muted); font-size: 0.82em;
}

.form-group input[type="text"],
.form-group textarea,
.form-group select {
  width: 100%; padding: 13px 16px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: var(--font-body); font-size: 0.92rem; font-weight: 300;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}

.form-group select {
  appearance: none; cursor: pointer; padding-right: 36px;
  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='%237A6E60' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
}
.form-group select option { background: var(--bg-card-solid); color: var(--text); }

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); font-weight: 300; }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow); background: var(--bg-input-focus);
}

.form-group textarea { resize: vertical; min-height: 100px; line-height: 1.75; }

.form-hint {
  display: block; font-size: 0.76rem; font-weight: 300;
  color: var(--text-muted); margin-top: 6px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* Generate Button */
.btn-generate {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; font-family: var(--font-body); font-size: 0.85rem;
  font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--bg-deep); background: var(--accent); border: none;
  padding: 16px 40px; border-radius: var(--radius-sm); cursor: pointer;
  margin-top: 6px; transition: background 0.3s var(--ease), transform 0.2s var(--ease);
}
.btn-generate:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-generate:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-text { display: inline; }
.btn-loading { display: inline-flex; align-items: center; gap: 8px; }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(15, 13, 11, 0.3); border-top-color: var(--bg-deep);
  border-radius: 50%; animation: spin 0.6s linear infinite;
}

/* ─── Output Area ─── */
.output-area {
  max-width: 640px; margin: 40px auto 0;
  background: var(--bg-card); border: 0.8px solid var(--border-accent);
  border-radius: var(--radius); overflow: hidden;
}

.output-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 24px 28px 18px; border-bottom: 1px solid var(--border);
}

.output-title {
  font-family: var(--font-display); font-size: 1.2rem;
  font-weight: 600; color: var(--text); margin-bottom: 3px;
}
.output-meta { font-size: 0.75rem; color: var(--text-muted); }

.output-actions { display: flex; gap: 8px; }
.btn-icon {
  width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-secondary); cursor: pointer;
  transition: all 0.2s;
}
.btn-icon:hover { border-color: var(--accent); color: var(--accent); }

.output-body {
  padding: 24px 28px; font-size: 0.92rem; font-weight: 300;
  color: var(--text-secondary); line-height: 1.85; max-height: 500px; overflow-y: auto;
}
.output-body p { margin-bottom: 14px; }
.output-body p:last-child { margin-bottom: 0; }

.output-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px; border-top: 1px solid var(--border);
  font-size: 0.72rem; color: var(--text-muted);
}
.output-status { color: var(--accent); font-weight: 500; }

/* ─── Gallery ─── */
.gallery-filters { display: flex; gap: 8px; margin-bottom: 32px; justify-content: center; }

.filter-btn {
  font-family: var(--font-body); font-size: 0.76rem; font-weight: 500;
  letter-spacing: 0.04em; color: var(--text-secondary);
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 7px 18px; cursor: pointer;
  transition: all 0.25s;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: var(--bg-deep); font-weight: 600; }

.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px;
}

.gallery-card {
  background: var(--bg-card); border: 0.8px solid var(--border);
  border-radius: var(--radius); padding: 24px; cursor: pointer;
  transition: border-color 0.3s, background 0.3s, transform 0.2s;
}
.gallery-card:hover { border-color: var(--border-accent); background: var(--bg-card-hover); transform: translateY(-2px); }

.gallery-type {
  display: inline-block; font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-glow);
  border: 1px solid var(--border-accent); padding: 2px 9px;
  border-radius: 3px; margin-bottom: 12px;
}
.gallery-type-story {
  color: #C49BDB; background: rgba(196,155,219,0.1); border-color: rgba(196,155,219,0.2);
}

.gallery-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.gallery-card-top .gallery-type { margin-bottom: 0; }

.gallery-score {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  padding: 2px 8px;
  border-radius: 3px;
}

.gallery-card h3 {
  font-family: var(--font-display); font-size: 1.05rem;
  font-weight: 600; color: var(--text); margin-bottom: 8px; line-height: 1.35;
}

.gallery-excerpt {
  font-size: 0.83rem; font-weight: 300; color: var(--text-secondary);
  line-height: 1.65; margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.gallery-meta {
  display: flex; justify-content: space-between;
  font-size: 0.7rem; color: var(--text-muted);
}

/* ─── Leaderboard Page ─── */
.leaderboard-page { padding-top: 140px; }

.leaderboard-wrap {
  max-width: 720px;
  margin: 0 auto;
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lb-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 0.8px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: border-color 0.3s, background 0.3s;
}
.lb-card:hover { border-color: var(--border-accent); background: var(--bg-card-hover); }

.lb-card-gold { border-color: rgba(255, 215, 0, 0.25); }
.lb-card-silver { border-color: rgba(192, 192, 192, 0.2); }
.lb-card-bronze { border-color: rgba(205, 127, 50, 0.2); }

.lb-card-rank {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 36px;
  text-align: center;
  padding-top: 2px;
  flex-shrink: 0;
}
.lb-card-gold .lb-card-rank { color: #FFD700; }
.lb-card-silver .lb-card-rank { color: #C0C0C0; }
.lb-card-bronze .lb-card-rank { color: #CD7F32; }

.lb-card-content { flex: 1; min-width: 0; }

.lb-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.lb-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.lb-card-score {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.lb-card-score-bar {
  width: 60px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.lb-card-score-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.4s var(--ease);
}

.lb-card-score-num {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 28px;
  text-align: right;
}

.lb-card-excerpt {
  font-size: 0.84rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lb-card-meta {
  display: flex;
  gap: 14px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.lb-card-author { font-weight: 300; }
.lb-card-type { font-weight: 500; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; }
.lb-card-type-story { color: #C49BDB; }
.lb-card-words { font-weight: 300; }

.leaderboard-empty, .gallery-empty {
  text-align: center;
  padding: 40px 20px;
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-muted);
}
.leaderboard-empty a { color: var(--accent); }
.leaderboard-empty a:hover { color: var(--accent-hover); }

/* ─── Theory (compact) ─── */
.theory-compact {
  display: grid; grid-template-columns: auto 1fr; gap: 48px; align-items: start;
  max-width: 900px;
}

.theory-body p {
  font-size: 0.92rem; font-weight: 300; color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 12px;
}
.theory-body p strong { color: var(--text); font-weight: 500; }

.theory-cite-text {
  font-size: 0.8rem !important; color: var(--text-muted) !important; font-style: italic;
}

/* ─── Footer ─── */
.footer { background: var(--bg-deep); border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-logo-img { height: 24px; width: auto; opacity: 0.4; border-radius: 4px; }
.footer-right p { font-size: 0.76rem; font-weight: 300; color: var(--text-muted); }

/* ─── Animations ─── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 68px; left: 0; right: 0;
    background: rgba(15,13,11,0.97); backdrop-filter: blur(24px);
    padding: 28px 32px; gap: 18px; border-bottom: 1px solid var(--border);
  }
  .nav-toggle { display: flex; }
  .gallery-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .leaderboard-page { padding-top: 120px; }
  .lb-card { padding: 16px 18px; gap: 14px; }
  .lb-card-rank { font-size: 1.1rem; min-width: 28px; }
  .lb-card-header { flex-direction: column; gap: 8px; }
  .lb-card-score-bar { width: 48px; }
  .section { padding: 60px 0; }
  .generator-wrap { padding: 28px 22px; }
  .theory-compact { grid-template-columns: 1fr; gap: 24px; }
  .footer-inner { flex-direction: column; text-align: center; gap: 14px; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .hero-content { padding: 100px 16px 48px; }
  .generator-wrap { padding: 22px 16px; }
}