/* cards.css — pa.gf.cx / audrey / dare portfolio card primitive
 *
 * Three variants:
 *   .card.card--system   thumb + body (e.g. pa.gf.cx landing system cards)
 *   .card.card--stat     label + big value + sub (e.g. status dashboards)
 *   .card.card--tile     compact tile with title + meta (e.g. category landings)
 *
 * Plus the grid layout:
 *   .card-grid           responsive auto-fill grid (one wrapper for all variants)
 *
 * Theming via CSS custom properties — pull from portfolio's existing
 * --bg-card / --line-strong / --accent / --ink etc., with fallbacks so
 * cards.css also works on bare HTML without the portfolio var set.
 *
 * Imports:
 *   <link rel="stylesheet" href="https://assets.gf.cx/cards/cards.css">
 *
 * v0.1.0 · 2026-05-24
 */

:root {
  --card-bg:          var(--bg-card,          rgba(255, 255, 255, 0.6));
  --card-bg-warm:     var(--bg-warm,          #ebe3d5);
  --card-border:      var(--line-strong,      rgba(26, 24, 22, 0.32));
  --card-line:        var(--line,             rgba(26, 24, 22, 0.12));
  --card-accent:      var(--accent,           #2c4a3a);
  --card-ink:         var(--ink,              #1a1816);
  --card-ink-soft:    var(--ink-soft,         #5a544d);
  --card-sans:        var(--sans,             'Atkinson Hyperlegible', system-ui, sans-serif);
  --card-serif:       var(--serif,            'Newsreader', Georgia, serif);
  --card-mono:        var(--mono,             ui-monospace, 'SF Mono', monospace);
  --card-radius:      6px;
  --card-gap:         18px;
  --card-grid-min:    220px;
}

/* ────────────────────────────────────────────────────────────
 * Grid layout — one container for all card variants
 * ──────────────────────────────────────────────────────────── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-grid-min), 1fr));
  gap: var(--card-gap);
}

/* Optional grid widths — opt-in via additional class */
.card-grid--narrow  { --card-grid-min: 160px; }
.card-grid--wide    { --card-grid-min: 280px; }

/* ────────────────────────────────────────────────────────────
 * Base card — shared by all variants
 * ──────────────────────────────────────────────────────────── */

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
  font-family: var(--card-sans);
}

/* Anchor-cards (.card is on an <a>) — hover signals interactivity
 * via border-color shift, NOT transform (per Dan's "1px shift jarring"
 * feedback, captured 2026-05-21). */
a.card:hover,
.card--hoverable:hover {
  border-color: var(--card-accent);
}

/* Placeholder cards — dashed border, lower opacity */
.card--placeholder {
  border-style: dashed;
  background: transparent;
  opacity: 0.85;
}

/* ────────────────────────────────────────────────────────────
 * Variant: --system   (thumb + body, the pa.gf.cx landing pattern)
 * ──────────────────────────────────────────────────────────── */

.card--system {
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 520px) {
  .card--system { grid-template-columns: 140px 1fr; }
}

.card--system .card__thumb {
  background: var(--card-bg-warm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card--system .card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.3s ease;
}
.card--system:hover .card__thumb img,
.card--system .card__thumb:hover img {
  filter: grayscale(0) contrast(1);
}
@media (min-width: 520px) {
  .card--system .card__thumb {
    aspect-ratio: auto;
    height: 100%;
    min-height: 130px;
  }
}

/* Empty-state thumb — "—" placeholder for not-yet-photographed items */
.card--system .card__thumb--empty {
  color: var(--card-ink-soft);
  font-size: 11px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  text-align: center;
  padding: 1rem;
  background: transparent;
}
.card--system .card__thumb--empty::before {
  content: "—";
  display: block;
  font-size: 22px;
  margin-bottom: 6px;
}

.card--system .card__body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card--system .card__title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
}
.card--system .card__title em {
  font-family: var(--card-serif);
  font-style: italic;
  color: var(--card-accent);
  font-weight: 400;
}
.card--system .card__sub {
  font-size: 14px;
  color: var(--card-ink-soft);
  line-height: 1.5;
  margin: 0;
}
.card--system .card__status {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--card-accent);
  background: rgba(44, 74, 58, 0.08);
  padding: 3px 10px;
  border-radius: 3px;
  align-self: flex-start;
}
.card--system .card__last {
  font-size: 13px;
  line-height: 1.5;
  color: var(--card-ink);
  margin-top: 4px;
}

/* ────────────────────────────────────────────────────────────
 * Variant: --stat   (label + big value + sub, status-dashboard pattern)
 * ──────────────────────────────────────────────────────────── */

.card--stat {
  padding: 14px 18px;
  background: #fff;
  border-color: var(--card-line);
}

.card--stat .card__label {
  font-size: 10.5px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--card-ink-soft);
  font-weight: 700;
  margin-bottom: 4px;
}
.card--stat .card__value {
  font-family: var(--card-serif);
  font-size: 22px;
  line-height: 1.1;
  color: var(--card-ink);
}
.card--stat .card__sub {
  font-size: 11px;
  color: var(--card-ink-soft);
  margin-top: 4px;
  line-height: 1.4;
}

/* Optional inline progress bar inside a stat card */
.card--stat .card__bar {
  height: 10px;
  background: var(--card-bg-warm);
  border-radius: 5px;
  overflow: hidden;
  margin: 8px 0 0;
}
.card--stat .card__bar-fill {
  height: 100%;
  background: var(--card-accent);
  border-radius: 5px;
  transition: width 0.3s ease;
}

/* ────────────────────────────────────────────────────────────
 * Variant: --tile   (compact title + meta, category-landing pattern)
 * ──────────────────────────────────────────────────────────── */

.card--tile {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.card--tile .card__title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--card-ink);
  margin: 0;
}
.card--tile .card__title em {
  font-family: var(--card-serif);
  font-style: italic;
  color: var(--card-accent);
  font-weight: 400;
}
.card--tile .card__meta {
  font-family: var(--card-mono);
  font-size: 12px;
  color: var(--card-ink-soft);
  margin: 0;
}
.card--tile .card__count {
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--card-ink-soft);
}

/* ────────────────────────────────────────────────────────────
 * Print — flatten cards, drop hover-only styling
 * ──────────────────────────────────────────────────────────── */

@media print {
  .card {
    background: none !important;
    border: 1px solid #000 !important;
    border-radius: 0 !important;
    page-break-inside: avoid;
  }
  .card--system .card__thumb img {
    filter: grayscale(1) contrast(1.1) !important;
  }
}
