/* Scite palette — swap these to rebrand. */
:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-ink: #1a1a1a;
  --color-ink-muted: #5a5a5a;
  --color-border: #e8e4de;
  --color-primary: #0040ff;
  --color-primary-ink: #ffffff;
  --color-accent-html: #0040ff;
  --color-accent-pdf: #c25a00;
  --color-accent-external: #00a0b0;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(20, 20, 20, 0.04), 0 0 0 1px var(--color-border);
  --shadow-md: 0 6px 20px rgba(20, 20, 20, 0.08), 0 0 0 1px var(--color-border);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
    "Helvetica Neue", Arial, sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  width: 100%;
}

/* ── Header ─────────────────────────────────────────────── */

.site-header {
  padding: var(--space-12) 0 var(--space-8);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  display: inline-block;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tagline {
  margin: var(--space-3) 0 0;
  color: var(--color-ink-muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

/* ── Grid ───────────────────────────────────────────────── */

main.container {
  flex: 1;
  padding-top: var(--space-8);
  padding-bottom: var(--space-12);
}

.grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}

/* ── Tile ───────────────────────────────────────────────── */

.tile {
  display: flex;
}

.tile-link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  width: 100%;
  min-height: 160px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.tile-link:hover,
.tile-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tile-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.tile-title {
  margin: 0;
  padding-right: 4rem; /* leave room for the badge */
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.tile-description {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.95rem;
}

.tile-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary-ink);
  background: var(--color-accent-html);
}

.tile-badge[data-type="pdf"] {
  background: var(--color-accent-pdf);
}

.tile-badge[data-type="external"] {
  background: var(--color-accent-external);
}

/* ── Empty / error state ────────────────────────────────── */

.empty-state {
  grid-column: 1 / -1;
  padding: var(--space-12) var(--space-6);
  text-align: center;
  color: var(--color-ink-muted);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.empty-state code {
  background: var(--color-bg);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

/* ── Footer ─────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-6) 0;
  background: var(--color-surface);
  color: var(--color-ink-muted);
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  .tile-link {
    transition: none;
  }
  .tile-link:hover,
  .tile-link:focus-visible {
    transform: none;
  }
}