/* API Provider Hub — Linear-inspired Dark Mode */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1c2128;
  --bg-hover: #21262d;
  --text: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --green: #3fb950;
  --purple: #bc8cff;
  --orange: #d29922;
  --red: #f85149;
  --border: #30363d;
  --border-light: #21262d;
  --sidebar-width: 260px;
  --header-height: 56px;
  --radius: 8px;
  --radius-lg: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Layout */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease;
}

.sidebar-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-header h1 .icon { font-size: 20px; }

.sidebar-header .subtitle {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.nav-group { margin-bottom: 16px; }

.nav-group-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 8px 12px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-item.active {
  background: rgba(88, 166, 255, 0.12);
  color: var(--accent);
}

.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }

.nav-item .badge {
  margin-left: auto;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--bg-hover);
  color: var(--text-muted);
  font-weight: 600;
}

.nav-item .badge.free { background: rgba(63,185,80,0.15); color: var(--green); }
.nav-item .badge.paid { background: rgba(210,153,34,0.15); color: var(--orange); }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.page-header {
  padding: 32px 40px 24px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.page-header p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.page-body { padding: 32px 40px; }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 90;
}

/* Search */
.search-box {
  position: relative;
  margin-bottom: 24px;
}

.search-box input {
  width: 100%;
  max-width: 480px;
  padding: 10px 16px 10px 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.search-box input:focus { border-color: var(--accent); }

.search-box input::placeholder { color: var(--text-muted); }

.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
}

/* Category tabs */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.cat-tab {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all 0.15s;
  text-decoration: none;
}

.cat-tab:hover, .cat-tab.active {
  background: rgba(88,166,255,0.12);
  border-color: var(--accent);
  color: var(--accent);
}

.cat-tab.cat-chat { --cat-color: var(--accent); }
.cat-tab.cat-coding { --cat-color: var(--green); }
.cat-tab.cat-reasoning { --cat-color: var(--purple); }
.cat-tab.cat-vision { --cat-color: var(--orange); }
.cat-tab.cat-stt { --cat-color: #f778ba; }
.cat-tab.cat-image { --cat-color: #da3633; }
.cat-tab.cat-video { --cat-color: #a371f7); }
.cat-tab.cat-embedding { --cat-color: #79c0ff; }

/* Provider Cards */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.provider-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all 0.2s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.provider-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.provider-card .card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.provider-card .card-icon {
  font-size: 28px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--bg-hover);
}

.provider-card .card-info { flex: 1; }

.provider-card .card-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.provider-card .card-price {
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
}

.provider-card .card-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.provider-card .stat {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

.provider-card .stat .value { font-weight: 600; color: var(--text); }

.provider-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.provider-card .tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--bg-hover);
  color: var(--text-muted);
  font-weight: 500;
}

/* Status badges */
.status { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; }
.status.online { color: var(--green); }
.status.partial { color: var(--orange); }
.status.offline { color: var(--red); }

.speed-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 600;
  padding: 2px 8px; border-radius: 10px;
}
.speed-badge.fast { background: rgba(63,185,80,0.15); color: var(--green); }
.speed-badge.medium { background: rgba(210,153,34,0.15); color: var(--orange); }
.speed-badge.slow { background: rgba(248,81,73,0.15); color: var(--red); }

/* Detailed pages */
.provider-detail { max-width: 960px; }

.detail-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
}

.detail-header .provider-icon {
  font-size: 48px;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--bg-hover);
  flex-shrink: 0;
}

.detail-header h1 {
  font-size: 28px;
  font-weight: 700;
}

.detail-header .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.detail-header .meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.meta-item .label { color: var(--text-muted); }

/* Sections */
.section { margin-bottom: 32px; }

.section-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Code blocks */
.code-block {
  position: relative;
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
}

.code-block pre {
  padding: 16px;
  overflow-x: auto;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  line-height: 1.6;
  color: #e6edf3;
}

.code-block .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.code-block .copy-btn:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* Key reveal */
.key-reveal {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.key-reveal .key-value {
  flex: 1;
  word-break: break-all;
}

.key-reveal .key-value.blurred {
  filter: blur(5px);
  user-select: none;
  pointer-events: none;
}

.key-reveal .reveal-btn, .key-reveal .copy-btn-inline {
  padding: 4px 10px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: all 0.15s;
}

.key-reveal .reveal-btn:hover, .key-reveal .copy-btn-inline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Model table */
.model-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.model-table th {
  text-align: left;
  padding: 10px 12px;
  background: var(--bg);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}

.model-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.model-table tr:hover td { background: var(--bg-hover); }

.model-table .model-name {
  font-weight: 600;
  color: var(--text);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
}

.model-table .speed { font-weight: 600; }

/* Info cards */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.info-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.info-card .label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.info-card .value {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

/* Alert/warning boxes */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.alert-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

.alert.info { background: rgba(88,166,255,0.1); border: 1px solid rgba(88,166,255,0.3); color: var(--accent); }
.alert.warning { background: rgba(210,153,34,0.1); border: 1px solid rgba(210,153,34,0.3); color: var(--orange); }
.alert.danger { background: rgba(248,81,73,0.1); border: 1px solid rgba(248,81,73,0.3); color: var(--red); }
.alert.success { background: rgba(63,185,80,0.1); border: 1px solid rgba(63,185,80,0.3); color: var(--green); }

/* Best-for guide sections */
.best-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
}

.best-card h3 {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.best-card .recommendation {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}

.best-card .recommendation .rec-provider {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.best-card .recommendation .rec-detail {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.best-card .recommendation .rec-model {
  font-family: 'SF Mono', monospace;
  font-size: 12px;
  color: var(--green);
  margin-top: 4px;
}

/* Category comparison */
.category-section { margin-bottom: 40px; }

.category-section h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Featherless special */
.featherless-search {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  margin-bottom: 16px;
}

.featherless-search:focus { border-color: var(--accent); }

.model-count-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(88,166,255,0.12);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
  .provider-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .overlay.open { display: block; }
  .menu-toggle { display: flex; }
  .main-content { margin-left: 0; }
  .page-header { padding: 24px 16px 20px; padding-top: 64px; }
  .page-body { padding: 20px 16px; }
  .provider-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr 1fr; }
  .detail-header { flex-direction: column; }
  .model-table { font-size: 12px; }
}

/* Utility classes */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-green { color: var(--green); }
.text-orange { color: var(--orange); }
.text-red { color: var(--red); }
.text-purple { color: var(--purple); }
.font-mono { font-family: 'SF Mono', 'Fira Code', monospace; }
.font-bold { font-weight: 700; }
.hidden { display: none !important; }

/* Animation */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.3s ease forwards; }

/* Gradient line */
.gradient-line {
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--purple), var(--green));
  border-radius: 1px;
  margin-bottom: 24px;
}

/* Tooltip */
.tooltip {
  position: relative;
}
.tooltip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}
.tooltip:hover::after { opacity: 1; }