/* MastUI site styles — follows design.md: minimal, calm, one accent,
   8-point spacing, generous whitespace. Light first, with a dark mode
   because the audience browses this next to an editor. */

:root {
  --bg: #ffffff;
  --bg-subtle: #f7f7f8;
  --surface: #ffffff;
  --border: #ececec;
  --text: #111111;
  --text-secondary: #666666;
  --text-muted: #8a8a8a;
  --accent: #10a37f;
  --accent-hover: #0d8c6b;
  --radius-card: 18px;
  --radius-button: 14px;
  --radius-image: 16px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  --max: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1114;
    --bg-subtle: #16181c;
    --surface: #16181c;
    --border: #24272c;
    --text: #ececec;
    --text-secondary: #a0a4ab;
    --text-muted: #767b83;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 64px;
}

h1 { font-size: 32px; line-height: 1.25; letter-spacing: -0.5px; margin: 0 0 12px; font-weight: 700; }
h2 { font-size: 20px; margin: 40px 0 12px; font-weight: 600; letter-spacing: -0.2px; }
.lede { color: var(--text-secondary); font-size: 16px; margin: 0 0 24px; max-width: 62ch; }
.muted { color: var(--text-muted); font-size: 14px; }

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

.site-header {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { font-weight: 700; font-size: 20px; letter-spacing: -0.5px; }
.site-header nav { margin-left: auto; display: flex; gap: 20px; align-items: center; }
.site-header nav a { color: var(--text-secondary); font-size: 14px; font-weight: 500; }

.cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: var(--radius-button);
  font-weight: 600;
}
.cta:hover { background: var(--accent-hover); }
.cta.big { display: inline-block; padding: 15px 28px; font-size: 16px; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px 48px;
  max-width: var(--max);
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 14px;
}
.site-footer .links { display: flex; gap: 20px; }

/* ── Hero + filters ──────────────────────────────────────────────────── */

.hero { padding: 40px 0 32px; }
.hero h1 { max-width: 18ch; }

.filters { margin: 32px 0 8px; }
#q {
  width: 100%;
  height: 52px;
  padding: 0 18px;
  border: none;
  background: var(--bg-subtle);
  border-radius: var(--radius-button);
  color: var(--text);
  font: inherit;
  font-size: 15px;
}
#q:focus { outline: 2px solid var(--accent); outline-offset: -2px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-button);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 200ms ease-in-out, color 200ms ease-in-out;
}
.chip:hover { border-color: var(--accent); }
.chip.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }

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

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-image);
  overflow: hidden;
  background: var(--bg-subtle);
  aspect-ratio: 9 / 16;
  display: block;
}
.card img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }

.card-meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: 28px 12px 12px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.72), transparent);
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.card-meta strong { font-size: 13px; font-weight: 600; }
.card-meta em { font-style: normal; font-size: 11px; opacity: 0.8; }

.more-btn {
  display: block;
  margin: 24px auto 0;
  padding: 13px 28px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-button);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}
.more-btn:hover { border-color: var(--accent); color: var(--accent); }
.more-btn[hidden] { display: none; }

.cat-links { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.cat-links a { color: var(--text-secondary); font-size: 14px; }

/* ── Detail pages ────────────────────────────────────────────────────── */

.crumbs { font-size: 13px; color: var(--text-muted); padding: 16px 0 24px; }
.crumbs a { color: var(--text-secondary); }

.detail-grid { display: grid; grid-template-columns: 320px 1fr; gap: 40px; align-items: start; }
@media (max-width: 760px) { .detail-grid { grid-template-columns: 1fr; } }

.shot {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-image);
  overflow: hidden;
  background: var(--bg-subtle);
}

.tags { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 5px 11px;
  border-radius: 999px;
}

.prompt {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-subtle);
  padding: 20px;
  margin: 24px 0;
}
.prompt-head { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
.prompt-head h2 { margin: 0; font-size: 15px; }
.prompt pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.copy-btn {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-button);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 200ms ease-in-out;
}
.copy-btn:hover { background: var(--accent-hover); }
.copy-btn.is-done { background: var(--text-secondary); }

.pack-note {
  font-size: 14px;
  color: var(--text-secondary);
  border-left: 2px solid var(--accent);
  padding-left: 14px;
}
.pack-note a { color: var(--accent); font-weight: 500; }

.howto ol { color: var(--text-secondary); font-size: 15px; padding-left: 20px; }
.howto li { margin-bottom: 6px; }

.related { margin-top: 56px; }

/* ── Pack page ───────────────────────────────────────────────────────── */

.pack-head { padding-bottom: 8px; }
.pack-screen {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
@media (max-width: 760px) { .pack-screen { grid-template-columns: 1fr; } }
.pack-screen h2 { margin: 0 0 2px; font-size: 18px; }