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

:root {
  --page-bg: #f8f8fc;
  --card-bg: #ffffff;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --accent: #6366f1;
  --accent-light: #eef2ff;
  --border: #e5e7eb;
  --radius: 12px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--page-bg);
  color: var(--text-primary);
  min-height: 100vh;
  padding: 0 0 80px;
}

/* ── Header ── */
.page-header {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  color: #fff;
  padding: 56px 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  position: relative;
}

.page-header h1 span {
  opacity: 0.7;
}

.page-header p {
  margin-top: 12px;
  font-size: 1.05rem;
  opacity: 0.8;
  position: relative;
}

.header-docs-link {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 100px;
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.01em;
  position: relative;
  transition: background 0.15s, border-color 0.15s;
}

.header-docs-link:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.55);
}

.github-link {
  position: absolute;
  top: 18px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.15s;
  z-index: 1;
}

.github-link:hover {
  color: #ffffff;
}

.github-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ── Layout ── */
.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 20px;
}

.demo-grid {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

/* ── Demo cards ── */
.demo-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.demo-card-header {
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.demo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.demo-card-title {
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--text-primary);
}

.demo-card-desc {
  font-size: 0.83rem;
  color: var(--text-secondary);
  margin-top: 2px;
  line-height: 1.5;
}

.demo-card-body {
  padding: 22px 24px;
}

/* ── Output area ── */
.output-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.output-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.output-value {
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  padding: 4px 10px;
  background: #f3f4f6;
  border-radius: 6px;
  color: #4f46e5;
  min-height: 24px;
  min-width: 80px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 0.83rem;
  font-weight: 500;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1.5px solid transparent;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: #4f46e5; }

.btn-secondary {
  background: #fff;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: #a5b4fc; background: var(--accent-light); color: var(--accent); }

.btn-danger {
  background: #fff;
  color: #dc2626;
  border-color: #fca5a5;
}
.btn-danger:hover { background: #fef2f2; }

.btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

/* ── Section label ── */
.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* ── Code snippet ── */
.code-block {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  background: #1e1e2e;
  color: #cdd6f4;
  padding: 16px;
  border-radius: 8px;
  margin-top: 16px;
  overflow-x: auto;
  line-height: 1.7;
}

.code-block .kw  { color: #cba6f7; }
.code-block .str { color: #a6e3a1; }
.code-block .fn  { color: #89b4fa; }
.code-block .cm  { color: #6c7086; }

/* ── Split row ── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 560px) {
  .split { grid-template-columns: 1fr; }
  .demo-card-header { flex-direction: column; gap: 8px; }
  .demo-icon { display: none; }
}


/* ── Custom-themes card: always neutral background/text
      so its own .theme-dark/.theme-green wrappers look as intended ── */
[data-no-global-theme] {
  background: var(--card-bg, #ffffff) !important;
  color: var(--text-primary, #111827) !important;
}

/* ── Custom theme demo ── */
.theme-dark {
  --ks-color-bg: #1e1e2e;
  --ks-color-border: #313244;
  --ks-color-border-focus: #cba6f7;
  --ks-color-text: #cdd6f4;
  --ks-color-placeholder: #6c7086;
  --ks-color-option-hover: #313244;
  --ks-color-option-selected: #cba6f7;
  --ks-color-option-selected-text: #1e1e2e;
  --ks-color-option-selected-bg: #313244;
  --ks-color-option-selected-fg: #cba6f7;
  --ks-color-group-header: #181825;
  --ks-color-group-label: #9399b2;
  --ks-color-tag-bg: #313244;
  --ks-color-tag-text: #cba6f7;
  --ks-color-tag-border: #45475a;
  --ks-color-tag-remove: #7f849c;
  --ks-color-tag-remove-hover: #f38ba8;
  --ks-color-clear: #6c7086;
  --ks-color-clear-hover: #f38ba8;
  --ks-color-arrow: #6c7086;
  --ks-color-arrow-open: #cba6f7;
  --ks-color-checkbox-border: #45475a;
  --ks-color-checkbox-checked: #cba6f7;
  --ks-color-search-bg: #181825;
  --ks-color-disabled-bg: #181825;
  --ks-color-disabled-text: #45475a;
  --ks-color-disabled-border: #313244;
  --ks-shadow-dropdown: 0 4px 6px -1px rgba(0,0,0,.5), 0 10px 30px -5px rgba(0,0,0,.4);
  background: #1e1e2e;
  border-radius: 10px;
  padding: 18px;
}

.theme-green {
  --ks-color-border-focus: #10b981;
  --ks-color-option-selected: #10b981;
  --ks-color-option-selected-bg: #ecfdf5;
  --ks-color-option-selected-fg: #059669;
  --ks-color-tag-bg: #ecfdf5;
  --ks-color-tag-text: #059669;
  --ks-color-tag-border: #a7f3d0;
  --ks-color-tag-remove: #6ee7b7;
  --ks-color-tag-remove-hover: #059669;
  --ks-color-arrow-open: #10b981;
  --ks-color-checkbox-checked: #10b981;
}

/* ── Quick-install box ── */
.install-box {
  background: #1e1e2e;
  color: #cdd6f4;
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 40px;
  font-family: 'DM Mono', monospace;
  font-size: 0.83rem;
  line-height: 2;
}

.install-box .comment { color: #6c7086; }
.install-box .tag     { color: #89dceb; }
.install-box .attr    { color: #cba6f7; }
.install-box .val     { color: #a6e3a1; }

.page-footer {
  text-align: center;
  margin-top: 30px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 6px 0;
}

/* ── View source ── */
.demo-card-footer {
  border-top: 1px solid var(--border);
}

.view-source-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 10px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-align: left;
  transition: color 0.15s, background 0.15s;
}

.view-source-btn:hover {
  color: var(--accent);
  background: var(--accent-light);
}

.view-source-btn svg {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.view-source-btn.open svg.chevron {
  transform: rotate(180deg);
}

.source-block {
  display: none;
  margin: 0;
  border-top: 1px solid #2a2a3e;
}

.source-block.open {
  display: block;
}

.source-block pre {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  background: #1e1e2e;
  color: #cdd6f4;
  padding: 16px 24px;
  margin: 0;
  overflow-x: auto;
  line-height: 1.7;
  border-radius: 0 0 var(--radius) var(--radius);
}

.source-block .kw  { color: #cba6f7; }
.source-block .str { color: #a6e3a1; }
.source-block .fn  { color: #89b4fa; }
.source-block .cm  { color: #6c7086; }
.source-block .num { color: #fab387; }
.source-block .key { color: #89dceb; }

#docs-theme-wrapper {
  margin-top: 28px;
  display: flex;
  gap: 2rem;
  justify-content: center;
  align-items: center;
  flex-direction: row-reverse;
}

@media (max-width: 360px) {
  #theme-picker-bar {
    flex-direction: column;
  }
}
@media (max-width: 640px) {
  #docs-theme-wrapper {
    flex-direction: column;
  }
}

.sponsored-by-kastrack {
  background: #68996f;
  max-width: 300px;
  margin: 60px auto 0;
  display: flex;
  align-items: center;
  justify-content: stretch;

  border-radius: 20px;
  a {
    text-decoration: none;
    padding: 15px;
    width: 100%;
  }
  a .kastrack-logo {
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: center;
    color: white;
    font-style: italic;
    font-size: 0.7em;

    img {
      max-width: 200px;
    }
  }
}