/* Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license */

/* ---------- Design tokens ---------- */
:root {
  --bg: #ffffff;
  --fg: #0b0b0f;
  --muted: #6b7280;
  --border: #e5e7eb;
  --surface: #f7f7f9;
  --link: #042aff;
  --callout: #eef2ff;
  --code-bg: #0f172a;
  --shadow-1: 0 10px 24px rgba(2, 6, 23, 0.1), 0 2px 8px rgba(2, 6, 23, 0.06);
  --radius: 12px;
  --container: 1200px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}
html[data-theme="dark"] {
  --bg: #0a0a0b;
  --fg: #f5f5f5;
  --muted: #a1a1aa;
  --border: #232327;
  --surface: #131318;
  --link: #7aa2ff;
  --callout: #121826;
  --code-bg: #0f172a;
  --shadow-1: 0 10px 28px rgba(0, 0, 0, 0.45), 0 2px 10px rgba(0, 0, 0, 0.25);
}

/* ---------- Base ---------- */
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
  padding-top: max(0px, var(--safe-top));
}
a {
  color: var(--link);
  text-decoration: none;
  word-break: break-word;
}
a:hover {
  text-decoration: underline;
}
input,
button {
  font-size: 16px;
} /* prevent iOS zoom */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
  .btn:hover,
  .btn.primary:hover {
    transform: none !important;
  }
}

/* ---------- Layout ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(120%) blur(8px);
  -webkit-backdrop-filter: saturate(120%) blur(8px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: calc(8px + var(--safe-top)) 16px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  min-width: 0;
}
.brand a {
  display: inline-flex;
  cursor: pointer;
}
.brand img {
  max-height: 32px;
  max-width: 180px;
}

.search-box {
  flex: 1;
  max-width: 600px;
  position: relative;
}
.search-input {
  width: 100%;
  padding: 12px 14px 12px 40px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--fg);
  font-size: 16px;
  outline: none;
  transition:
    box-shadow 0.12s ease,
    border-color 0.12s ease;
  touch-action: manipulation;
  -webkit-appearance: none;
  appearance: none;
}
.search-input:focus-visible {
  border-color: var(--link);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--link) 15%, transparent);
}
.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}
/* Compact top bar on very small screens */
@media (max-width: 420px) {
  .topbar-inner {
    gap: 6px;
    padding-left: 12px;
    padding-right: 12px;
  }
  .brand img {
    max-height: 24px;
    max-width: 120px;
  }
  .search-input {
    padding-left: 36px;
  }
}

.page {
  max-width: var(--container);
  margin: 24px auto;
  padding: 0 16px 16px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
}
@media (max-width: 960px) {
  .page {
    grid-template-columns: 1fr;
    margin: 12px auto;
  }
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: calc(56px + var(--safe-top));
  height: calc(100dvh - 96px - var(--safe-top));
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-1);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}
@media (max-width: 960px) {
  .sidebar {
    display: none;
  }
}
.nav-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 6px 0 10px;
  font-weight: 800;
}
.nav {
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav li a {
  display: block;
  padding: 10px 10px;
  border-radius: 8px;
  color: var(--fg);
}
.nav li a:hover {
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  text-decoration: none;
}

/* ---------- Content ---------- */
.content {
  min-width: 0;
}
.content > * + * {
  margin-top: 16px;
}
.hero {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}
h1 {
  font-size: 28px;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
@media (max-width: 640px) {
  h1 {
    font-size: 22px;
  }
}
.lead {
  color: var(--muted);
  margin: 0 0 12px;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.12s ease,
    background 0.12s ease,
    border-color 0.12s ease;
  touch-action: manipulation;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn:hover {
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--surface) 80%, var(--bg));
}
.btn:active {
  transform: scale(0.98);
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--link) 15%, transparent);
}
.btn.primary {
  background: #e1ff25;
  color: #111f68;
  border-color: #dce61f;
}
.btn.primary:hover {
  transform: translateY(-1px) scale(1.01);
}
.btn.primary:active {
  transform: scale(0.98);
}
@media (max-width: 520px) {
  .toolbar .btn {
    flex: 1 1 auto;
  }
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 720px) {
  .grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.callout {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--callout);
  padding: 10px 12px;
  margin: 14px 0;
}

pre {
  background: var(--code-bg);
  color: #e5e7eb;
  border-radius: var(--radius);
  padding: 12px;
  overflow: auto;
  margin: 12px 0;
  -webkit-overflow-scrolling: touch;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  word-break: break-all;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
@media (max-width: 640px) {
  table {
    font-size: 13px;
  }
  th,
  td {
    padding: 8px;
  }
}
thead th {
  text-align: left;
  background: color-mix(in srgb, var(--surface) 75%, var(--bg));
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
}
tr:last-child td {
  border-bottom: none;
}

.footer {
  max-width: var(--container);
  margin: 32px auto 16px;
  padding: 0 16px max(20px, var(--safe-bottom));
  color: var(--muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}