:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a25;
  --bg-input: #1a1a25;
  --border: #2a2a3a;
  --border-light: #3a3a4a;
  --text: #e8e8f0;
  --text-dim: #8888aa;
  --text-muted: #5a5a7a;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --positive: #00b894;
  --positive-bg: rgba(0, 184, 148, 0.1);
  --negative: #e17055;
  --negative-bg: rgba(225, 112, 85, 0.1);
  --neutral: #fdcb6e;
  --neutral-bg: rgba(253, 203, 110, 0.1);
  --hot: #ff6b6b;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

/* Header */
header {
  background: linear-gradient(180deg, rgba(108,92,231,0.08) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
}

.logo-icon { font-size: 1.5rem; }
.logo-img { height: 32px; width: auto; border-radius: 4px; }
.logo h1 { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.5px; }

.tagline {
  color: var(--text-dim);
  font-size: 0.85rem;
  border-left: 1px solid var(--border);
  padding-left: 1.5rem;
}

nav {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  transition: all 0.2s;
}

.nav-link:hover { color: var(--text); background: var(--bg-card); }
.nav-link.active { color: var(--accent-light); background: rgba(108,92,231,0.12); }

/* Main */
main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
}

/* Window Selector */
.window-selector {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 0.25rem;
  width: fit-content;
}

.window-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s;
}

.window-btn:hover { color: var(--text); }
.window-btn.active {
  background: var(--accent);
  color: white;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-light);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Model Cards */
.model-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.model-card {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto auto auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  color: var(--text);
}

.model-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.model-rank {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dim);
  text-align: center;
}

.model-rank.top-1 { color: #ffd700; }
.model-rank.top-2 { color: #c0c0c0; }
.model-rank.top-3 { color: #cd7f32; }

.model-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.model-name-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.model-icon { font-size: 1.1rem; }

.model-name {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-provider {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.model-sparkline {
  width: 120px;
  height: 32px;
}

.model-votes {
  text-align: right;
  min-width: 60px;
}

.model-vote-count {
  font-size: 0.85rem;
  font-weight: 500;
}

.model-vote-split {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.model-score-badge {
  min-width: 80px;
  text-align: center;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
}

.score-great { background: var(--positive-bg); color: var(--positive); }
.score-good { background: rgba(0, 184, 148, 0.06); color: #55c9a6; }
.score-neutral { background: var(--neutral-bg); color: var(--neutral); }
.score-poor { background: rgba(225, 112, 85, 0.06); color: #e8a088; }
.score-bad { background: var(--negative-bg); color: var(--negative); }

/* Model Detail Page */
.model-detail-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.model-detail-icon { font-size: 2.5rem; }

.model-detail-title h2 {
  font-size: 1.8rem;
  font-weight: 700;
}

.model-detail-provider {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.model-detail-score {
  margin-left: auto;
  text-align: center;
}

.big-score {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.big-score-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent-light);
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

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

/* Context Grid */
.context-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.context-card {
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}

.context-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.context-card.active {
  border-color: var(--accent);
  background: rgba(108,92,231,0.08);
}

.context-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.context-card-name {
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.context-card-score {
  font-weight: 700;
  font-size: 0.95rem;
}

.context-card-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.context-card-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s;
}

.context-card-votes {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
}

/* Chart area */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.chart-title {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.chart-svg {
  width: 100%;
  height: 200px;
}

/* Vote Feed */
.vote-feed {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.vote-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.vote-score-pip {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.vote-info { flex: 1; min-width: 0; }
.vote-user { font-weight: 600; }
.vote-user.seed { color: var(--accent-light); }
.vote-context { color: var(--text-dim); }
.vote-comment {
  color: var(--text-dim);
  font-style: italic;
  margin-top: 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vote-time { color: var(--text-muted); font-size: 0.75rem; white-space: nowrap; }

/* Vote Form */
.vote-form {
  max-width: 600px;
  margin: 0 auto;
}

.vote-form h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.form-group select,
.form-group textarea,
.form-group input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-group select:focus,
.form-group textarea:focus,
.form-group input:focus {
  border-color: var(--accent);
}

.form-group textarea { resize: vertical; min-height: 80px; }

.score-selector {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.score-option {
  flex: 1;
  padding: 0.75rem 0.5rem;
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  color: var(--text-dim);
}

.score-option:hover { border-color: var(--border-light); }

.score-option.selected {
  border-color: var(--accent);
  background: rgba(108,92,231,0.1);
  color: var(--text);
}

.score-option .score-emoji { font-size: 1.5rem; }
.score-option .score-label { font-size: 0.7rem; display: block; margin-top: 0.2rem; }

.submit-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}

.submit-btn:hover { background: var(--accent-light); }
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.vote-success {
  text-align: center;
  padding: 2rem;
  color: var(--positive);
  font-size: 1.1rem;
}

/* About Page */
.about-content {
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

.about-content h2 { font-size: 1.5rem; margin-bottom: 1rem; }
.about-content h3 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; color: var(--accent-light); }
.about-content p { color: var(--text-dim); margin-bottom: 1rem; }
.about-content code { background: var(--bg-card); padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.85rem; }

/* Section titles */
.section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin: 2rem 0 0.75rem;
}

/* Loading */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-dim);
}

.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Auth */
.auth-slot {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.auth-login {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  text-decoration: none;
  transition: all 0.2s;
}

.auth-login:hover { border-color: var(--accent); background: var(--bg-card-hover); }

.auth-login svg { width: 16px; height: 16px; fill: var(--text); }

.auth-user {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
}

.auth-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.auth-name { color: var(--text-dim); }
.auth-tier {
  font-size: 0.65rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-weight: 600;
}
.tier-veteran { background: rgba(108,92,231,0.15); color: var(--accent-light); }
.tier-trusted { background: rgba(0,184,148,0.12); color: var(--positive); }
.tier-established { background: rgba(253,203,110,0.12); color: var(--neutral); }
.tier-new { background: rgba(225,112,85,0.1); color: var(--negative); }

.auth-logout-form { margin: 0; }
.auth-logout {
  background: none;
  border: 0;
  padding: 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
}
.auth-logout:hover { color: var(--text-dim); }

/* Transparency bar */
.transparency-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
}

.transparency-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--text-dim);
}

.transparency-count {
  font-weight: 600;
  color: var(--text);
}

/* Login prompt on vote page */
.login-prompt {
  text-align: center;
  padding: 3rem 2rem;
  max-width: 400px;
  margin: 0 auto;
}

.login-prompt p { color: var(--text-dim); margin: 1rem 0 1.5rem; }

.github-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #24292e;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s;
}

.github-btn:hover { background: #444d56; }
.github-btn svg { width: 20px; height: 20px; fill: white; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-stats { margin-top: 0.3rem; }

/* Responsive */
@media (max-width: 768px) {
  header { padding: 1rem; }
  .header-content { gap: 0.75rem; }
  .tagline { display: none; }
  main { padding: 1rem; }

  .model-card {
    grid-template-columns: 2rem 1fr auto;
    gap: 0.5rem;
    padding: 0.75rem;
  }

  .model-sparkline { display: none; }
  .model-votes { display: none; }

  .stats-bar { gap: 1rem; flex-wrap: wrap; }
  .context-grid { grid-template-columns: 1fr; }

  .score-selector { flex-wrap: wrap; }
  .score-option { min-width: calc(50% - 0.5rem); }

  .model-detail-header { flex-wrap: wrap; }
  .model-detail-score { margin-left: 0; }
}

@media (max-width: 480px) {
  .model-card {
    grid-template-columns: 1fr auto;
  }
  .model-rank { display: none; }
}