/* ============================================================
   Mycelium Theme — PicoCSS variable overrides
   Concept: calm organic tones + cool technological accents.
   All colors use --pico-color-* tokens.
   ============================================================ */

:root {
  --pico-border-radius: 0.5rem;
  --pico-font-family-sans-serif:
    system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --pico-font-family-monospace:
    "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace;
  --pico-transition: 150ms ease;
}

/* ── Light theme ─────────────────────────────────────────── */
:root[data-theme="light"] {
  --pico-primary: var(--pico-color-jade-550);
  --pico-primary-background: var(--pico-color-jade-550);
  --pico-primary-hover: var(--pico-color-jade-600);
  --pico-primary-inverse: #ffffff;

  --pico-secondary: var(--pico-color-azure-600);
  --pico-secondary-background: var(--pico-color-azure-600);
  --pico-secondary-hover: var(--pico-color-azure-700);
  --pico-secondary-inverse: #ffffff;

  --pico-background-color: var(--pico-color-slate-50);
  --pico-card-background-color: #ffffff;
  --pico-card-border-color: var(--pico-color-slate-200);

  --pico-color: var(--pico-color-slate-900);
  --pico-muted-color: var(--pico-color-slate-500);
  --pico-muted-border-color: var(--pico-color-slate-200);
}

/* ── Dark theme ──────────────────────────────────────────── */
:root[data-theme="dark"] {
  --pico-primary: var(--pico-color-jade-350);
  --pico-primary-background: var(--pico-color-jade-500);
  --pico-primary-hover: var(--pico-color-jade-450);
  --pico-primary-inverse: var(--pico-color-slate-950);

  --pico-secondary: var(--pico-color-azure-350);
  --pico-secondary-background: var(--pico-color-azure-500);
  --pico-secondary-hover: var(--pico-color-azure-450);
  --pico-secondary-inverse: var(--pico-color-slate-950);

  --pico-background-color: var(--pico-color-slate-950);
  --pico-card-background-color: var(--pico-color-slate-900);
  --pico-card-border-color: var(--pico-color-slate-800);

  --pico-color: var(--pico-color-slate-100);
  --pico-muted-color: var(--pico-color-slate-400);
  --pico-muted-border-color: var(--pico-color-slate-800);
}

/* ── Components ──────────────────────────────────────────── */

article {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: box-shadow var(--pico-transition);
}

article:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.06);
}

:root[data-theme="dark"] article {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.20);
}

:root[data-theme="dark"] article:hover {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35), 0 2px 6px rgba(0, 0, 0, 0.25);
}

/* Tag pills — azure accent, monospace */
.tag {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background-color: var(--pico-secondary-background);
  color: var(--pico-secondary-inverse);
  font-family: var(--pico-font-family-monospace);
  font-size: 0.72rem;
  font-weight: 500;
  text-decoration: none;
}

/* Muted metadata — dates, etc. */
.meta {
  color: var(--pico-muted-color);
  font-family: var(--pico-font-family-monospace);
  font-size: 0.8rem;
}

/* Hero — generous vertical rhythm */
.hero {
  padding: 4rem 0 3rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1.2rem;
  color: var(--pico-muted-color);
  max-width: 48ch;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body>footer {
  margin-top: auto;
  left: 0;
  right: 0;
  text-align: center;
}

/* Theme toggle */
[data-theme-toggle] {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 1.1rem;
  color: var(--pico-muted-color);
  transition: color var(--pico-transition);
}

[data-theme-toggle]:hover {
  color: var(--pico-color);
}

:root[data-theme="light"] [data-theme-toggle]::before {
  content: "☽";
}

:root[data-theme="dark"] [data-theme-toggle]::before {
  content: "☀";
}