:root {
  --bg: #111214;
  --panel: #1a1c20;
  --panel-2: #23262b;
  --text: #f1f1ed;
  --muted: #b4b7bd;
  --line: #333841;
  --accent: #f0e2b5;
  --danger: #d16f6f;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-header, .toolbar, .editor-header, .viewer-controls { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.site-header { padding: 1rem 1.5rem; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(17,18,20,.92); backdrop-filter: blur(8px); z-index: 20; }
.site-header nav { display: flex; gap: 1rem; align-items: center; }
.page-shell { width: min(1200px, calc(100% - 2rem)); margin: 0 auto; padding: 1.5rem 0 3rem; }
.brand { font-weight: 700; letter-spacing: .03em; }
.hero, .auth-card, .panel, .gallery-card, .metric-card, .viewer-shell { background: var(--panel); border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 18px 50px rgba(0,0,0,.18); }
.hero { padding: 4rem; margin-top: 2rem; min-height: 55vh; display: grid; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 4.8rem); max-width: 12ch; margin: .25rem 0 1rem; }
.lede { max-width: 60ch; color: var(--muted); font-size: 1.05rem; }
.lede.narrow { max-width: 48ch; margin-inline: auto; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; color: var(--accent); font-size: .8rem; }
.auth-card { max-width: 460px; margin: 3rem auto; padding: 2rem; }
.stack-form { display: grid; gap: 1rem; }
label { display: grid; gap: .45rem; color: var(--muted); }
input, textarea, select { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); border-radius: 14px; padding: .9rem 1rem; font: inherit; }
textarea { resize: vertical; }
.button, .link-button { border: 1px solid var(--line); background: transparent; color: var(--text); padding: .8rem 1rem; border-radius: 999px; cursor: pointer; font: inherit; }
.button.primary { background: var(--accent); color: #171717; border-color: var(--accent); }
.button.danger { border-color: var(--danger); color: #ffd8d8; }
.link-button { padding: 0; border: 0; }
.button-row { display: flex; gap: .75rem; align-items: center; }
.button-row.compact { gap: .5rem; }
.button-row.wrap { flex-wrap: wrap; }
.inline-form { display: inline; }
.toolbar, .editor-header { margin: 1rem 0 1.25rem; }
.gallery-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.gallery-card { overflow: hidden; }
.gallery-card-image, .gallery-card-placeholder { aspect-ratio: 4 / 3; background: #2d3137; }
.gallery-card-placeholder { display: grid; place-items: center; color: var(--muted); }
.gallery-card-body { padding: 1rem; display: grid; gap: .8rem; }
.status-row { display: flex; gap: .5rem; }
.badge { display: inline-flex; border-radius: 999px; border: 1px solid var(--line); padding: .25rem .65rem; font-size: .8rem; }
.badge.success { background: rgba(125, 201, 140, 0.14); }
.badge.muted { color: var(--muted); }
.meta, .hint { color: var(--muted); font-size: .95rem; }
.error { color: #ffb6b6; }
.editor-layout { display: grid; gap: 1rem; }
.second-pass { margin-top: 1rem; }
.panel { padding: 1.2rem; }
.two-col { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sticky-actions { display: flex; gap: .75rem; position: sticky; bottom: .5rem; background: linear-gradient(180deg, transparent, var(--panel) 35%); padding-top: 1rem; }
.section-head { display: flex; justify-content: space-between; gap: 1rem; align-items: end; }
.upload-form { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.sequence-list { display: grid; gap: 1rem; margin-top: 1rem; }
.sequence-card { display: grid; grid-template-columns: 200px 1fr 1.3fr; gap: 1rem; background: var(--panel-2); border: 1px solid var(--line); border-radius: 20px; padding: 1rem; align-items: start; }
.sequence-thumb, .selected-preview { border-radius: 18px; width: 100%; object-fit: cover; }
.sequence-thumb { aspect-ratio: 4 / 3; }
.selected-preview { max-height: 260px; object-fit: contain; background: #111; }
.sequence-body, .caption-editor { display: grid; gap: .8rem; }
.sequence-top { display: flex; justify-content: space-between; }
.number-pill { font-weight: 700; color: var(--accent); }
.caption-preview { margin: 0; color: var(--muted); }
.empty-state { border: 1px dashed var(--line); border-radius: 24px; padding: 2rem; text-align: center; color: var(--muted); }
.empty-state.small { padding: 1.25rem; }
.viewer-shell { padding: 2rem; }
.viewer-header { text-align: center; margin-bottom: 1.5rem; }
.viewer-main { display: grid; gap: 1rem; }
.viewer-image-wrap { background: #0b0c0d; border-radius: 22px; padding: 1rem; }
.viewer-image { max-height: 72vh; width: 100%; object-fit: contain; }
.viewer-caption { max-width: 70ch; margin: 0 auto; color: #e4e2dc; line-height: 1.7; }
.thumbnail-strip { display: flex; gap: .65rem; overflow-x: auto; padding-top: 1rem; }
.thumb-link { opacity: .55; transition: opacity .15s ease; }
.thumb-link.active, .thumb-link:hover { opacity: 1; }
.thumb-link img { width: 90px; height: 68px; object-fit: cover; border-radius: 12px; border: 1px solid var(--line); }
.metrics-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.metric-card { padding: 1rem; }
.metric-card p { font-size: 2rem; margin: .4rem 0 0; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { border-bottom: 1px solid var(--line); text-align: left; padding: .75rem .5rem; }
.bottom-toolbar { margin-top: 1rem; }
@media (max-width: 920px) {
  .sequence-card { grid-template-columns: 1fr; }
  .two-col, .metrics-grid { grid-template-columns: 1fr; }
  .section-head, .site-header, .toolbar, .editor-header, .viewer-controls { flex-direction: column; align-items: stretch; }
  .hero { padding: 2rem; }
}

.share-panel { margin-bottom: 1rem; display: grid; gap: 1rem; }
.share-row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.share-row input { flex: 1 1 420px; }
.share-inline { word-break: break-all; }


.position-jump-form { display: flex; align-items: center; gap: .6rem; }
.position-jump-shell { display: flex; align-items: center; gap: .5rem; }
.number-pill-button { padding: .35rem .7rem; font-weight: 700; }
.position-jump-editor { display: flex; align-items: center; gap: .45rem; flex-wrap: wrap; }
.position-jump-editor input { width: 90px; padding: .55rem .7rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.panel {
  background: #15171a;
  border: 1px solid #2a2f36;
  border-radius: 16px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 0.65rem;
  border-bottom: 1px solid #2a2f36;
  text-align: left;
  vertical-align: top;
}

.success {
  color: #8de1a5;
}

.button.disabled { opacity: .45; pointer-events: none; }