```css
/*
  Homepage multi-column palette
  Scoped to homepage.md via `cssClass: homepage-dashboard`

  Single adaptive scheme: every color is driven by a CSS variable.
  - Light theme uses theme-aware defaults (Obsidian semantic variables).
  - The `.theme-dark` block only overrides the VARIABLE VALUES to restore the
    original dark palette — the actual rules are written once.
*/

.homepage-dashboard {
  --hp-card-radius: 16px;
  --hp-card-border-width: 1px;
  --hp-card-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);

  /* quick action buttons */
  --hp-surface: var(--background-secondary);
  --hp-surface-hover: var(--background-modifier-hover);
  --hp-border: var(--background-modifier-border);
  --hp-action-shadow: var(--hp-card-shadow);
  --hp-action-hover-shadow: var(--hp-card-shadow);

  /* primary (accent) button */
  --hp-accent-bg: var(--interactive-accent);
  --hp-accent-bg-hover: var(--interactive-accent-hover);
  --hp-accent-border: var(--interactive-accent);
  --hp-accent-border-hover: var(--interactive-accent-hover);
  --hp-accent-text: var(--text-on-accent);

  /* muted button */
  --hp-muted-bg: var(--background-secondary);
  --hp-muted-border: var(--background-modifier-border);

  /* quick links row */
  --hp-launch-border: var(--background-modifier-border);
  --hp-separator: var(--text-faint);
  --hp-link-hover: var(--text-accent);

  /* callout cards: tinted by each card's own accent color (--callout-color) */
  --hp-callout-tint: 0.1;
  --hp-callout-tint-strong: 0.16;
  --hp-callout-border-alpha: 0.42;
  --hp-card-title-alpha: 0.04;
}

.homepage-dashboard .hp-quick-launch {
  margin: 0.35rem 0 1.35rem;
  padding: 0.2rem 0 0.4rem;
  border-bottom: 1px solid var(--hp-launch-border);
}

.homepage-dashboard .hp-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.homepage-dashboard .hp-quick-actions-top {
  margin: 0 0 0.65rem;
}

.homepage-dashboard .hp-quick-action {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.62rem 1.15rem;
  border-radius: 13px;
  border: 1px solid var(--hp-border);
  background: var(--hp-surface);
  color: var(--text-normal);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: var(--hp-action-shadow);
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease, box-shadow 140ms ease, color 140ms ease;
}

.homepage-dashboard .hp-quick-action:hover {
  transform: translateY(-1px);
  background: var(--hp-surface-hover);
  border-color: rgba(var(--interactive-accent-rgb), 0.5);
  box-shadow: var(--hp-action-hover-shadow);
}

.homepage-dashboard .hp-quick-action:active {
  transform: translateY(0);
}

.homepage-dashboard .hp-quick-action:focus-visible,
.homepage-dashboard .hp-quick-link:focus-visible {
  outline: 2px solid var(--text-accent);
  outline-offset: 2px;
}

.homepage-dashboard .hp-quick-action-accent {
  background: var(--hp-accent-bg);
  border-color: var(--hp-accent-border);
  color: var(--hp-accent-text);
}

.homepage-dashboard .hp-quick-action-accent:hover {
  background: var(--hp-accent-bg-hover);
  border-color: var(--hp-accent-border-hover);
  color: var(--hp-accent-text);
}

.homepage-dashboard .hp-quick-action-muted {
  background: var(--hp-muted-bg);
  border-color: var(--hp-muted-border);
}

.homepage-dashboard .hp-quick-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  row-gap: 0.35rem;
  margin: 0;
}

.homepage-dashboard .hp-quick-link {
  appearance: none;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: color-mix(in srgb, var(--text-accent) 58%, var(--text-normal) 42%);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  box-shadow: none;
  transition: color 140ms ease;
}

.homepage-dashboard .hp-quick-link:hover {
  color: var(--hp-link-hover);
}

.homepage-dashboard .hp-quick-link:not(:last-child)::after {
  content: "|";
  display: inline-block;
  margin: 0 0.55rem;
  color: var(--hp-separator);
  text-decoration: none;
}

.homepage-dashboard div[data-callout="multi-column"].callout {
  --callout-gap: 14px;
}

.homepage-dashboard div[data-callout="multi-column"].callout > .callout-content > .callout {
  border-radius: var(--hp-card-radius);
  border-width: var(--hp-card-border-width);
  box-shadow: var(--hp-card-shadow);
  overflow: hidden;
  border-style: solid;
}

.homepage-dashboard div[data-callout="multi-column"].callout > .callout-content > .callout > .callout-title {
  padding-top: 0.8rem;
  padding-bottom: 0.5rem;
}

.homepage-dashboard div[data-callout="multi-column"].callout > .callout-content > .callout > .callout-content {
  padding-bottom: 0.9rem;
}

/* callout accent colors + icons */
.homepage-dashboard .callout[data-callout="summary"] {
  --callout-color: 59, 130, 246;
  --callout-icon: lucide-folder-kanban;
}

.homepage-dashboard .callout[data-callout="note"] {
  --callout-color: 16, 185, 129;
  --callout-icon: lucide-file-clock;
}

.homepage-dashboard .callout[data-callout="todo"] {
  --callout-color: 239, 68, 68;
  --callout-icon: lucide-list-todo;
}

.homepage-dashboard .callout[data-callout="tip"] {
  --callout-color: 14, 165, 233;
  --callout-icon: lucide-book-open;
}

.homepage-dashboard .callout[data-callout="info"] {
  --callout-color: 99, 102, 241;
  --callout-icon: lucide-briefcase-business;
}

.homepage-dashboard .callout[data-callout="warning"] {
  --callout-color: 245, 158, 11;
  --callout-icon: lucide-sticky-note;
}

/* single card rule — colors come from the variables above (per theme) */
.homepage-dashboard .callout[data-callout="summary"],
.homepage-dashboard .callout[data-callout="note"],
.homepage-dashboard .callout[data-callout="todo"],
.homepage-dashboard .callout[data-callout="tip"],
.homepage-dashboard .callout[data-callout="info"],
.homepage-dashboard .callout[data-callout="warning"] {
  background: linear-gradient(
    180deg,
    rgba(var(--callout-color), var(--hp-callout-tint)),
    rgba(var(--callout-color), var(--hp-callout-tint-strong))
  ) !important;
  border-color: rgba(var(--callout-color), var(--hp-callout-border-alpha)) !important;
}

.homepage-dashboard .callout[data-callout="summary"] > .callout-title,
.homepage-dashboard .callout[data-callout="note"] > .callout-title,
.homepage-dashboard .callout[data-callout="todo"] > .callout-title,
.homepage-dashboard .callout[data-callout="tip"] > .callout-title,
.homepage-dashboard .callout[data-callout="info"] > .callout-title,
.homepage-dashboard .callout[data-callout="warning"] > .callout-title {
  background: rgba(var(--callout-color), var(--hp-card-title-alpha)) !important;
}

.homepage-dashboard .callout[data-callout="summary"] > .callout-content,
.homepage-dashboard .callout[data-callout="note"] > .callout-content,
.homepage-dashboard .callout[data-callout="todo"] > .callout-content,
.homepage-dashboard .callout[data-callout="tip"] > .callout-content,
.homepage-dashboard .callout[data-callout="info"] > .callout-content,
.homepage-dashboard .callout[data-callout="warning"] > .callout-content {
  background: transparent !important;
}

/* =========================================================================
   DARK THEME — only override variable VALUES (original palette restored)
   ========================================================================= */

.theme-dark .homepage-dashboard {
  --hp-card-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);

  --hp-surface: rgba(255, 255, 255, 0.05);
  --hp-surface-hover: rgba(255, 255, 255, 0.05);
  --hp-border: rgba(255, 255, 255, 0.1);
  --hp-action-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  --hp-action-hover-shadow: 0 10px 22px rgba(0, 0, 0, 0.16);

  --hp-accent-bg: linear-gradient(180deg, rgba(174, 221, 188, 0.96), rgba(147, 200, 163, 0.96));
  --hp-accent-bg-hover: linear-gradient(180deg, rgba(184, 228, 197, 1), rgba(158, 208, 173, 1));
  --hp-accent-border: rgba(186, 231, 198, 0.9);
  --hp-accent-border-hover: rgba(186, 231, 198, 0.9);
  --hp-accent-text: #1c3325;

  --hp-muted-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  --hp-muted-border: rgba(255, 255, 255, 0.12);

  --hp-launch-border: rgba(255, 255, 255, 0.06);
  --hp-separator: rgba(255, 255, 255, 0.32);
  --hp-link-hover: #a9c8ff;
}

/* dark: per-card original gray gradients set directly on the callout */
.theme-dark .homepage-dashboard .callout[data-callout="summary"] {
  background: linear-gradient(180deg, rgba(50, 56, 62, 0.52), rgba(45, 50, 55, 0.68)) !important;
  border-color: rgba(110, 124, 138, 0.24) !important;
}

.theme-dark .homepage-dashboard .callout[data-callout="note"] {
  background: linear-gradient(180deg, rgba(49, 58, 55, 0.52), rgba(44, 51, 49, 0.68)) !important;
  border-color: rgba(107, 125, 119, 0.24) !important;
}

.theme-dark .homepage-dashboard .callout[data-callout="todo"] {
  background: linear-gradient(180deg, rgba(59, 53, 53, 0.52), rgba(51, 46, 46, 0.68)) !important;
  border-color: rgba(130, 116, 116, 0.22) !important;
}

.theme-dark .homepage-dashboard .callout[data-callout="tip"] {
  background: linear-gradient(180deg, rgba(49, 57, 59, 0.52), rgba(44, 50, 52, 0.68)) !important;
  border-color: rgba(109, 123, 126, 0.22) !important;
}

.theme-dark .homepage-dashboard .callout[data-callout="info"] {
  background: linear-gradient(180deg, rgba(53, 55, 63, 0.52), rgba(47, 48, 54, 0.68)) !important;
  border-color: rgba(115, 119, 136, 0.22) !important;
}

.theme-dark .homepage-dashboard .callout[data-callout="warning"] {
  background: linear-gradient(180deg, rgba(61, 57, 51, 0.52), rgba(53, 49, 45, 0.68)) !important;
  border-color: rgba(130, 121, 108, 0.22) !important;
}

/* dark: original faint title bar */
.theme-dark .homepage-dashboard .callout[data-callout="summary"] > .callout-title,
.theme-dark .homepage-dashboard .callout[data-callout="note"] > .callout-title,
.theme-dark .homepage-dashboard .callout[data-callout="todo"] > .callout-title,
.theme-dark .homepage-dashboard .callout[data-callout="tip"] > .callout-title,
.theme-dark .homepage-dashboard .callout[data-callout="info"] > .callout-title,
.theme-dark .homepage-dashboard .callout[data-callout="warning"] > .callout-title {
  background: rgba(255, 255, 255, 0.015) !important;
}
```