html {
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
}

:root[data-theme="light"] {
  --bg: #f3f6fb;
  --bg2: #ffffff;
  --bg3: #e9eef6;
  --bg4: #dae4f0;
  --border: rgba(15, 23, 42, 0.1);
  --border2: rgba(15, 23, 42, 0.18);
  --text: #182135;
  --muted: #5d6a82;
  --code-bg: #eef3f9;
  --tag-bg: rgba(15, 23, 42, 0.05);
  --tag-text: var(--accent);
}

html[data-theme="light"] body {
  background: var(--bg);
  color: var(--text);
}

html[data-theme="light"] pre {
  background: var(--code-bg);
}

html[data-theme="light"] code {
  background: rgba(15, 23, 42, 0.06);
  color: var(--accent);
}

html[data-theme="light"] .comment,
html[data-theme="light"] .cm {
  color: #7b8698;
}

html[data-theme="light"] .kw {
  color: #7f42d9;
}

html[data-theme="light"] .str {
  color: #2f7a46;
}

html[data-theme="light"] .num,
html[data-theme="light"] .nu {
  color: #c96c2c;
}

html[data-theme="light"] .fn {
  color: #2268d2;
}

html[data-theme="light"] .key,
html[data-theme="light"] .de {
  color: #b54557;
}

html[data-theme="light"] .type,
html[data-theme="light"] .tp,
html[data-theme="light"] .at {
  color: #127b8f;
}

html[data-theme="light"] tr:hover td {
  background: rgba(15, 23, 42, 0.03);
}

html[data-theme="light"] .sidebar {
  background: var(--bg2);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.04);
}

html[data-theme="light"] .hero {
  background: var(--bg3);
  border-color: var(--border2);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.04);
}

html[data-theme="light"] .hero::before {
  display: none;
}

html[data-theme="light"] .card {
  background: var(--bg2);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.04);
}

html[data-theme="light"] .mode-card {
  background: var(--bg2);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.04);
}

html[data-theme="light"] .call,
html[data-theme="light"] .callout,
html[data-theme="light"] .event-row,
html[data-theme="light"] .model-row,
html[data-theme="light"] .link-list li,
html[data-theme="light"] .llist li {
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.04);
}
.hero{
  padding-left: 1rem;
  padding-right: 1rem;
}

.floating-actions {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
}

.floating-actions.index-actions {
  top: 24px;
  bottom: auto;
}

.floating-link,
.floating-button {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  border: 1px solid var(--border2);
  background: rgba(22, 27, 39, 0.82);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.floating-button {
  cursor: pointer;
  padding: 0;
}

.floating-link:hover,
.floating-button:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.floating-link:focus-visible,
.floating-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.floating-link svg,
.floating-button svg {
  width: 20px;
  height: 20px;
}

.theme-toggle .icon-sun,
html[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

html[data-theme="light"] .theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: block;
}

html[data-theme="light"] .floating-link,
html[data-theme="light"] .floating-button {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.14);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 768px) {
  .floating-actions {
    right: 16px;
    bottom: 16px;
  }

  .floating-actions.index-actions {
    top: 16px;
  }

  .floating-link,
  .floating-button {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }
}