/* Grid2Poster gallery — lean styles. Edit freely. */

:root {
  --bg: #fafaf7;
  --surface: #ffffff;
  --ink: #14171a;
  --ink-soft: #4a4f57;
  --ink-mute: #7a7f88;
  --rule: #e5e3dd;
  --accent: #c0392b;
  --shadow: 0 1px 2px rgba(20, 23, 26, 0.06), 0 8px 24px rgba(20, 23, 26, 0.08);
  --radius: 4px;
  --maxw: 1240px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --surface: #181a1d;
    --ink: #f1ede6;
    --ink-soft: #c7c2b8;
    --ink-mute: #8a857c;
    --rule: #2a2d31;
    --accent: #e07a5f;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 56px 0 40px;
  background: var(--surface);
}
.site-header h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.site-header h1 .accent { color: var(--accent); }
.tagline {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 14px;
}
.meta { font-size: 13px; color: var(--ink-mute); margin: 0; }
.meta .sep { margin: 0 8px; color: var(--ink-mute); }
.meta a { color: var(--ink-soft); }

.built-by {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-mute);
  margin: 18px 0 16px;
}
.built-by .sep { color: var(--ink-mute); opacity: 0.6; }
.built-by a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 120ms;
}
.built-by a:hover { opacity: 1; }
.built-by .logo { width: auto; display: block; }
.built-by .logo-oet { height: 32px; }
.built-by .logo-myg { height: 40px; }

/* Filters */
.filters {
  padding: 24px 24px 8px;
  border-bottom: 1px solid var(--rule);
}
.filter-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.filter-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  min-width: 64px;
}
.filter-group { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  appearance: none;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--ink-soft);
  padding: 5px 12px;
  font-size: 13px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  transition: background 120ms, color 120ms, border-color 120ms;
}
.chip:hover { color: var(--ink); border-color: var(--ink-mute); }
.chip.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.count-row { margin-bottom: 0; }
.count { font-size: 13px; color: var(--ink-mute); }

/* Gallery grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px 24px;
  padding-top: 32px;
  padding-bottom: 48px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  transition: transform 180ms ease, box-shadow 180ms ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-image {
  aspect-ratio: 297 / 420;
  background: var(--bg);
  overflow: hidden;
  position: relative;
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: var(--surface);
}
.card-body {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--rule);
}
.card-title {
  font-family: var(--font-serif);
  font-size: 17px;
  margin: 0 0 2px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.card-sub {
  font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 24px 0 40px;
  font-size: 13px;
  color: var(--ink-mute);
}

/* Lightbox */
.lightbox[hidden] { display: none; }
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(8, 9, 11, 0.92);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  color: #f6f4ef;
}
.lightbox-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}
.lightbox-title {
  flex: 1 1 auto;
  font-family: var(--font-serif);
  font-size: 17px;
  min-width: 200px;
}
.lightbox-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  appearance: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #f6f4ef;
  padding: 7px 14px;
  font-size: 13px;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  transition: background 120ms, border-color 120ms;
}
.btn:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.5); }
.btn-icon { width: 36px; padding: 7px 0; font-size: 20px; line-height: 1; }

.lightbox-stage {
  flex: 1 1 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-in;
  touch-action: pinch-zoom;
  user-select: none;
}
.lightbox-stage.zoomed { cursor: grab; }
.lightbox-stage.panning { cursor: grabbing; }
.lightbox-stage img {
  max-width: 95%;
  max-height: 95%;
  transform-origin: center center;
  transition: transform 180ms ease;
  will-change: transform;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}
.lightbox-stage.panning img { transition: none; }

.toast {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  background: rgba(20, 23, 26, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #f6f4ef;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 180ms ease;
}
.toast.visible { opacity: 1; }

@media (max-width: 640px) {
  .site-header { padding: 36px 0 28px; }
  .gallery { gap: 20px 16px; padding-top: 24px; }
  .filter-label { min-width: auto; }
}