/* =========================================================
   OpenRouter Analytics Dashboard — style.css
   Custom properties + dark/light + responsive
   ========================================================= */

:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #232636;
  --border: #2e3148;
  --text: #e8eaf6;
  --text2: #9097b8;
  --text3: #5c6394;
  --accent: #6c63ff;
  --accent2: #00d2ff;
  --green: #00e676;
  --red: #ff5252;
  --orange: #ffab40;
  --teal: #26c6da;
  --card-radius: 12px;
  --transition: 0.2s ease;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
}

[data-theme="light"] {
  --bg: #f4f6fc;
  --bg2: #ffffff;
  --bg3: #e8ecf5;
  --border: #d0d5e8;
  --text: #1a1d2e;
  --text2: #4a5280;
  --text3: #8890b5;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

/* CVD (Color Vision Deficiency) mode */
[data-cvd="true"] {
  --green: #0072B2;
  --red: #E69F00;
  --teal: #CC79A7;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Layout ---- */
.container { max-width: 1400px; margin: 0 auto; padding: 0 1.5rem; }

/* ---- Header ---- */
.site-header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 1rem;
}
.logo {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.logo > span {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-by {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text3);
  letter-spacing: 0;
  display: block;
}
.logo-dot { color: var(--accent); }

.nav-tabs {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
  justify-content: center;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text2);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  background: none;
  border: none;
}
.nav-tab:hover { background: var(--bg3); color: var(--text); }
.nav-tab.active { background: var(--accent); color: #fff; }

.header-actions { display: flex; gap: 0.5rem; align-items: center; flex-shrink: 0; }
.btn-icon {
  background: none;
  border: none;
  color: var(--text2);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 6px;
  font-size: 1.1rem;
  transition: all var(--transition);
}
.btn-icon:hover { background: var(--bg3); color: var(--text); }

/* ---- Status bar ---- */
.status-bar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0.4rem 0;
  font-size: 0.75rem;
  color: var(--text2);
}
.status-bar-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  margin-right: 0.3rem;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---- Main content ---- */
main { padding: 2rem 0 4rem; flex: 1; }
.section { display: none; }
.section.active { display: block; }

/* ---- Cards ---- */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.25rem;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

/* ---- Section header ---- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: 0.8rem;
  color: var(--text2);
  margin-top: 0.2rem;
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  gap: 0.25rem;
}
.badge-green { background: rgba(0,230,118,0.15); color: var(--green); }
.badge-red { background: rgba(255,82,82,0.15); color: var(--red); }
.badge-orange { background: rgba(255,171,64,0.15); color: var(--orange); }
.badge-blue { background: rgba(108,99,255,0.15); color: var(--accent); }
.badge-teal { background: rgba(38,198,218,0.15); color: var(--teal); }
.badge-gray { background: var(--bg3); color: var(--text2); }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  color: var(--text2);
  font-size: 0.75rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
th:hover { color: var(--text); }
th.sorted { color: var(--accent); }
td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:hover td { background: var(--bg3); }
.td-mono { font-family: var(--mono); font-size: 0.8rem; }

/* ---- Buttons ---- */
.btn {
  padding: 0.45rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.9; }
.btn-outline {
  background: none;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { background: var(--bg3); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.75rem; }

/* ---- Inputs / Select ---- */
select, input[type="text"], input[type="range"] {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition);
}
select:focus, input[type="text"]:focus { border-color: var(--accent); }
input[type="range"] {
  padding: 0;
  cursor: pointer;
  accent-color: var(--accent);
  width: 120px;
}

/* ---- Progress bar (privacy score) ---- */
.progress-bar {
  height: 6px;
  background: var(--bg3);
  border-radius: 3px;
  overflow: hidden;
  width: 100px;
  display: inline-block;
  vertical-align: middle;
}
.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  transition: width 0.5s ease;
}

/* ---- Sparkline SVG ---- */
.sparkline { display: inline-block; vertical-align: middle; }
.sparkline-path { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.sparkline-path.negative { stroke: var(--red); }
.sparkline-path.positive { stroke: var(--green); }

/* ---- Quadrant chart container ---- */
.chart-container {
  position: relative;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1rem;
}

/* ---- Model Finder (wizard) ---- */
.finder-hero {
  background: linear-gradient(135deg, var(--bg2) 0%, var(--bg3) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.finder-step { display: none; }
.finder-step.active { display: block; }
.finder-step-title { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.finder-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.finder-option {
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition);
}
.finder-option:hover { border-color: var(--accent); background: var(--bg3); }
.finder-option.selected { border-color: var(--accent); background: rgba(108,99,255,0.15); }
.finder-progress {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.finder-progress-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background var(--transition);
}
.finder-progress-dot.done { background: var(--accent); }
.finder-results { margin-top: 1.5rem; }
.finder-result-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.finder-result-rank {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text3);
  width: 2rem;
  text-align: center;
}
.finder-result-rank.top { color: var(--accent); }
.finder-result-info { flex: 1; }
.finder-result-name { font-weight: 600; font-size: 0.95rem; }
.finder-result-why { font-size: 0.78rem; color: var(--text2); margin-top: 0.25rem; }
.finder-result-badges { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* ---- Intelligence Feed ---- */
.feed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}
.feed-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1rem 1.25rem;
}
.feed-card-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.feed-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  gap: 0.5rem;
}
.feed-item:last-child { border-bottom: none; }
.feed-item-name { color: var(--text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed-item-val { font-weight: 600; white-space: nowrap; }

/* ---- Free Models Leaderboard ---- */
.leaderboard-controls {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
.slider-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.slider-label { font-size: 0.8rem; color: var(--text2); width: 140px; }
.slider-val { font-size: 0.8rem; color: var(--accent); width: 2rem; text-align: right; }
.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 0.5rem;
  transition: all var(--transition);
}
.leaderboard-item:hover { border-color: var(--accent); }
.lb-rank {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text3);
  width: 2rem;
  text-align: center;
}
.lb-rank.top3 { color: var(--orange); }
.lb-name { flex: 1; font-weight: 500; font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-score-bar {
  width: 100px;
  height: 6px;
  background: var(--bg3);
  border-radius: 3px;
  overflow: hidden;
}
.lb-score-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  border-radius: 3px;
}

/* ---- Capability Matrix ---- */
.capability-grid {
  display: grid;
  overflow-x: auto;
}
.cap-header-row, .cap-row {
  display: grid;
  grid-template-columns: 200px repeat(8, 80px);
  gap: 2px;
  align-items: center;
}
.cap-cell {
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  border-radius: 4px;
}
.cap-model-name {
  font-size: 0.75rem;
  padding: 0 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  justify-content: flex-start;
  color: var(--text2);
}
.cap-header-cell {
  color: var(--text3);
  font-size: 0.65rem;
  font-weight: 600;
  text-align: center;
  padding: 0.25rem;
  writing-mode: vertical-lr;
  transform: rotate(180deg);
  height: 60px;
  justify-content: flex-start;
}
.cap-yes { background: rgba(38,198,218,0.2); color: var(--teal); }
.cap-no { background: var(--bg3); color: var(--text3); }

/* ---- Provider Intel ---- */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.provider-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1rem;
  text-align: center;
}
.provider-count { font-size: 2rem; font-weight: 800; color: var(--accent); }
.provider-name { font-size: 0.85rem; color: var(--text2); margin-top: 0.25rem; }

/* ---- Loading skeleton ---- */
.skeleton {
  background: linear-gradient(90deg, var(--bg2) 25%, var(--bg3) 50%, var(--bg2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-row { height: 20px; margin-bottom: 0.5rem; }

/* ---- Loading overlay ---- */
#loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.4s ease;
}
#loading-overlay.fade-out { opacity: 0; pointer-events: none; }
.loading-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-bottom: 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { color: var(--text2); font-size: 0.9rem; }

/* ---- Tooltip ---- */
.tooltip-wrap { position: relative; }
.tooltip-content {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-size: 0.78rem;
  color: var(--text);
  white-space: nowrap;
  z-index: 200;
  pointer-events: none;
  display: none;
  box-shadow: var(--shadow);
}
.tooltip-wrap:hover .tooltip-content { display: block; }

/* ---- Filter row ---- */
.filter-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1.25rem;
}
.filter-group { display: flex; align-items: center; gap: 0.5rem; }
.filter-label { font-size: 0.78rem; color: var(--text2); }

/* ---- Value Map / Scatter chart ---- */
.value-map-wrap {
  position: relative;
  height: 480px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
}
.quadrant-label {
  position: absolute;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.3;
}

/* ---- Error banner ---- */
.error-banner {
  background: rgba(255,82,82,0.1);
  border: 1px solid rgba(255,82,82,0.3);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--red);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

/* ---- Copy tooltip (global floating) ---- */
#copy-tooltip {
  position: fixed;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
  font-size: 0.72rem;
  color: var(--text);
  pointer-events: none;
  z-index: 5000;
  display: none;
  box-shadow: var(--shadow);
  white-space: nowrap;
  transition: opacity 0.15s ease;
}
#copy-tooltip.visible { display: block; }

/* Elements that trigger copy tooltip */
.model-name-cell { cursor: pointer; }
[data-model-id] { cursor: pointer; }

/* ---- Help Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  max-width: 560px;
  width: 100%;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text2);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--bg3); color: var(--text); }

/* ---- Footer ---- */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 0.9rem 0;
  font-size: 0.78rem;
  color: var(--text3);
  margin-top: auto;
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.footer-sep { color: var(--border); }
.site-footer a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
.site-footer a:hover { color: var(--text); }

/* ---- Benchmark heatmap cells ---- */
.bench-heat {
  border-radius: 4px;
  padding: 0.15rem 0.35rem;
  font-weight: 600;
}

/* Benchmark column header tooltip */
.bench-col-header {
  position: relative;
}
.bench-col-header .bench-th-tooltip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-size: 0.72rem;
  color: var(--text);
  white-space: normal;
  width: 220px;
  z-index: 300;
  pointer-events: none;
  display: none;
  box-shadow: var(--shadow);
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
}
.bench-col-header:hover .bench-th-tooltip { display: block; }

/* ---- Use-case filter bar (benchmarks) ---- */
.bench-usecase-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
}
.bench-usecase-btn {
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: none;
  color: var(--text2);
  transition: all var(--transition);
}
.bench-usecase-btn:hover { background: var(--bg3); color: var(--text); }
.bench-usecase-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* highlighted benchmark column header */
th.bench-col-highlighted { color: var(--accent) !important; border-bottom: 2px solid var(--accent); }
td.bench-col-highlighted { background: rgba(108,99,255,0.07); }

/* ---- Direct Pricing savings colors ---- */
.savings-positive { color: var(--green); font-weight: 600; }
.savings-negative { color: var(--red); font-weight: 600; }

/* ---- model-name-cell hover effect ---- */
.model-name-cell:hover {
  color: var(--accent);
}

/* ---- Section Info Icon ---- */
.section-info-btn {
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 0.78rem;
  padding: 0 0.15rem;
  vertical-align: middle;
  position: relative;
  line-height: 1;
}
.section-info-btn:hover,
.section-info-btn:focus {
  color: var(--accent);
  outline: none;
}
.section-info-btn::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  top: 1.6rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.85rem;
  font-size: 0.75rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  color: var(--text1);
  width: 280px;
  max-width: 90vw;
  z-index: 200;
  white-space: normal;
  line-height: 1.5;
  display: none;
  text-align: left;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  pointer-events: none;
}
.section-info-btn:hover::after,
.section-info-btn:focus::after {
  display: block;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-tabs { justify-content: flex-start; }
  .nav-tab { font-size: 0.72rem; padding: 0.3rem 0.6rem; }
  .cap-header-row, .cap-row {
    grid-template-columns: 150px repeat(8, 60px);
  }
  .finder-hero { padding: 1.25rem; }
  .value-map-wrap { height: 320px; }
  .provider-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}

@media (max-width: 480px) {
  .header-inner { height: 48px; }
  .logo > span { display: none; }
  main { padding: 1rem 0 3rem; }
}