:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #6b7684;
  --border: #e2e6eb;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: #e6f4f2;
  --danger: #b42318;
  --danger-soft: #fee4e2;
  --success-soft: #e3f6ec;
  --info-soft: #e8f0fe;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.1);
  --shadow-hover: 0 10px 24px rgba(16, 24, 40, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.9rem; margin: 0 0 0.4rem; letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; margin: 1.4rem 0 0.6rem; }
h3 { margin: 0; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em; background: #eef1f4; padding: 0.1em 0.35em; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.container { width: min(1160px, calc(100% - 2rem)); margin: 0 auto; }
.container.narrow { max-width: 460px; }
main.container { flex: 1; padding: 1.5rem 0 3rem; }

/* header / footer */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.site-header-inner { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--text); font-weight: 650; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(135deg, #0f766e, #14b8a6); }
.site-nav { display: flex; align-items: center; gap: 1.1rem; }
.site-nav a { color: var(--muted); font-weight: 500; }
.site-nav a.active, .site-nav a:hover { color: var(--text); text-decoration: none; }
.inline-form { display: inline; }
.link-button { background: none; border: 0; padding: 0; color: var(--muted); font: inherit; cursor: pointer; }
.link-button:hover { color: var(--text); }
.site-footer { border-top: 1px solid var(--border); padding: 1rem 0; font-size: 0.85rem; color: var(--muted); }
.site-footer .container { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* hero + filters */
.hero { padding: 1.4rem 0 0.6rem; }
.lead { color: var(--muted); font-size: 1.05rem; margin: 0 0 1rem; max-width: 60ch; }
.filters { display: grid; gap: 0.6rem; margin: 0.8rem 0 1.4rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.3rem 0.75rem; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 0.9rem; }
.chip:hover { text-decoration: none; border-color: #c9d1da; }
.chip-active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.chip .count { font-size: 0.75rem; opacity: 0.75; }
.search-row input { width: min(420px, 100%); padding: 0.55rem 0.8rem; border: 1px solid var(--border); border-radius: 8px; font: inherit; background: var(--surface); }

/* cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; color: inherit; box-shadow: var(--shadow); transition: transform 0.15s ease, box-shadow 0.15s ease; }
.card:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.card[hidden] { display: none; }
.card-media { position: relative; aspect-ratio: 16 / 9; background: #e9edf2; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-media-placeholder img, .item-hero.card-media-placeholder img, .image-preview.card-media-placeholder img { object-fit: contain; padding: 18%; opacity: 0.85; }
.card-media-extension { background: linear-gradient(135deg, #e0f2fe, #dbeafe); }
.card-media-project { background: linear-gradient(135deg, #ecfdf5, #d1fae5); }
.card-media-skill { background: linear-gradient(135deg, #f5f3ff, #ede9fe); }
.card-media-theme { background: linear-gradient(135deg, #fdf2f8, #fce7f3); }
.kind-badge { position: absolute; left: 0.6rem; top: 0.6rem; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; padding: 0.2rem 0.5rem; border-radius: 6px; background: rgba(255, 255, 255, 0.92); color: var(--text); }
.tag-row .kind-badge { position: static; background: #eef1f4; }
.hidden-badge { position: absolute; right: 0.6rem; top: 0.6rem; font-size: 0.72rem; padding: 0.2rem 0.5rem; border-radius: 6px; background: rgba(28, 36, 48, 0.8); color: #fff; }
.card-body { padding: 0.9rem 1rem 1rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.card-title { font-size: 1.05rem; font-weight: 650; }
.card-desc { margin: 0; color: var(--muted); font-size: 0.92rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tag-row { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; }
.tag { font-size: 0.75rem; padding: 0.15rem 0.5rem; border-radius: 999px; background: #eef1f4; color: var(--muted); }
.tag-publisher { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.card-meta { display: flex; gap: 0.8rem; font-size: 0.82rem; margin-top: auto; }
.empty { color: var(--muted); padding: 2rem 0; }

/* item page */
.crumbs { color: var(--muted); font-size: 0.9rem; margin-bottom: 1rem; display: flex; gap: 0.4rem; align-items: baseline; flex-wrap: wrap; }
.item-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 2rem; }
.item-hero { aspect-ratio: 16 / 7; border-radius: var(--radius); overflow: hidden; background: #e9edf2; margin-bottom: 1.2rem; }
.item-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
.prose p { margin: 0 0 0.8rem; max-width: 70ch; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.6rem; }
.gallery img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); display: block; }
.gallery figure { margin: 0; display: grid; gap: 0.3rem; }
.item-side .side-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.1rem; position: sticky; top: 1rem; }
.item-side h2 { margin-top: 0.2rem; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 0.8rem; margin: 0.6rem 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.kv.small { font-size: 0.88rem; }
.add-panel { background: var(--accent-soft); border-radius: 10px; padding: 0.9rem 1rem; margin-top: 1rem; }
.add-panel h2 { margin: 0 0 0.3rem; font-size: 1rem; }
.add-panel p { margin: 0 0 0.4rem; }
.add-details summary { list-style: none; display: inline-block; cursor: pointer; }
.add-details summary::-webkit-details-marker { display: none; }
.add-details[open] summary { margin-bottom: 0.4rem; }

/* tables, buttons, forms */
.table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); background: #fafbfc; }
.table tr:last-child td { border-bottom: 0; }
.row-actions { display: flex; gap: 0.4rem; align-items: center; }
.row-actions form { margin: 0; }
.hash { font-size: 0.8rem; }
.pill { display: inline-block; font-size: 0.72rem; padding: 0.1rem 0.45rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-weight: 600; vertical-align: middle; }
.pill-muted { background: #eef1f4; color: var(--muted); }
.btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.5rem 0.95rem; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-weight: 500; cursor: pointer; line-height: 1.2; }
.btn:hover { text-decoration: none; border-color: #c9d1da; background: #fbfcfd; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #0b5f59; border-color: #0b5f59; }
.btn-danger { color: var(--danger); border-color: #f3b4ae; }
.btn-danger:hover { background: var(--danger-soft); }
.btn-small { padding: 0.25rem 0.6rem; font-size: 0.82rem; }
.btn[disabled] { opacity: 0.6; cursor: progress; }
.form { display: grid; gap: 0.8rem; max-width: 560px; }
.form label { display: grid; gap: 0.3rem; font-weight: 500; }
.form label .muted { font-weight: 400; }
.form label.check { grid-template-columns: auto 1fr; align-items: start; gap: 0.5rem; font-weight: 400; }
.form input[type="text"], .form input[type="password"], .form input[type="search"], .form textarea, .form select { padding: 0.5rem 0.7rem; border: 1px solid var(--border); border-radius: 8px; font: inherit; background: var(--surface); width: 100%; }
.form textarea { resize: vertical; }
.form.inline { grid-template-columns: 1fr auto; align-items: end; }
.form.inline label { grid-column: 1; }
.form progress { width: 100%; height: 10px; accent-color: var(--accent); }
.upload-status { font-size: 0.9rem; min-height: 1.2em; }
.upload-status.error { color: var(--danger); }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem 1.25rem; margin-bottom: 1.2rem; }
.panel h2:first-child { margin-top: 0; }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.2rem; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.actions { display: flex; gap: 0.5rem; }
.image-preview { aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden; background: #e9edf2; margin-bottom: 0.6rem; }
.image-preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.danger-zone { border-color: #f3b4ae; }
.flash { padding: 0.8rem 1rem; border-radius: 10px; margin: 0 0 1rem; background: var(--info-soft); }
.flash-success { background: var(--success-soft); }
.flash-error { background: var(--danger-soft); color: var(--danger); }
.flash .warnings { margin: 0.4rem 0 0 1.1rem; color: var(--muted); font-size: 0.9rem; }
.secret-row { display: flex; align-items: center; gap: 0.6rem; margin-top: 0.5rem; flex-wrap: wrap; }
.secret { font-size: 0.95rem; padding: 0.4rem 0.6rem; background: #fff; border: 1px dashed var(--accent); }

@media (max-width: 860px) {
  .item-layout { grid-template-columns: 1fr; }
  .item-side .side-box { position: static; }
  .site-header-inner { height: auto; padding: 0.6rem 0; flex-wrap: wrap; gap: 0.5rem; }
}

.min-version-form { display: inline-flex; gap: 0.3rem; align-items: center; }
.min-version-form input { width: 6.5rem; padding: 0.25rem 0.45rem; border: 1px solid var(--border); border-radius: 6px; font: inherit; font-size: 0.85rem; }

.file-list { margin: 0.4rem 0 0; padding-left: 1.1rem; display: grid; gap: 0.15rem; }
.file-list code { word-break: break-all; }