:root {
  --bg: #0f1115;
  --panel: #161a22;
  --panel-border: #232938;
  --text: #e6e8ee;
  --text-dim: #8e95a6;
  --accent: #4f8bff;
  --accent-soft: #1f3258;
  --tag-bg: #232938;
  --tag-text: #b8c0d3;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif; font-size: 14px; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.layout { height: 100vh; display: grid; grid-template-columns: 300px minmax(0, 1fr); grid-template-rows: 56px 1fr; }
.layout.preview-open { grid-template-columns: 300px minmax(0, 1fr) minmax(420px, 55vw); }
.layout.cart-open { grid-template-columns: 300px minmax(0, 1fr) 360px; }
.layout.preview-open.cart-open { grid-template-columns: 300px minmax(0, 1fr) minmax(420px, 45vw) 360px; }
.topbar { grid-column: 1 / -1; background: var(--panel); border-bottom: 1px solid var(--panel-border); display: flex; align-items: center; gap: 16px; padding: 0 20px; }
.brand-lockup { display: inline-flex; align-items: center; gap: 8px; min-width: max-content; }
.brand-logo { width: 26px; height: 26px; display: block; object-fit: contain; flex: 0 0 auto; }
.brand-title { font-weight: 700; white-space: nowrap; }
.brand-stats, .count, .image-stats { color: var(--text-dim); font-size: 12px; white-space: nowrap; }
#search { flex: 1; max-width: 720px; background: var(--bg); border: 1px solid var(--panel-border); color: var(--text); padding: 8px 12px; border-radius: 6px; outline: none; }
#search:focus { border-color: var(--accent); }
.topbar button, .topbar-link { background: none; border: 1px solid var(--panel-border); color: var(--text-dim); padding: 6px 12px; border-radius: 6px; text-decoration: none; white-space: nowrap; }
.topbar button:hover, .topbar button.active, .topbar-link:hover { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }
.sidebar { background: var(--panel); border-right: 1px solid var(--panel-border); overflow: auto; padding: 16px; }
.section { margin-bottom: 20px; }
.section h2 { margin: 0 0 8px; color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.mode-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mode-tab { min-width: 0; border: 1px solid var(--panel-border); background: var(--bg); color: var(--text-dim); border-radius: 6px; padding: 8px 4px; font-size: 12px; }
.mode-tab:hover, .mode-tab.selected { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }
.chip-grid { display: grid; grid-template-columns: 1fr; gap: 8px; }
.chip, .tag-filter { border: 1px solid var(--panel-border); background: var(--bg); color: var(--text); border-radius: 6px; text-align: left; display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; }
.chip:hover, .chip.selected, .tag-filter:hover, .tag-filter.selected { border-color: var(--accent); background: var(--accent-soft); }
.chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip b, .tag-filter b { color: var(--text-dim); font-size: 11px; font-weight: 500; }
.tag-list { display: flex; flex-direction: column; gap: 6px; }
.tag-filter { display: grid; grid-template-columns: 1fr auto; padding: 7px 9px; font-size: 12px; }
.tag-filter span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag-tools { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.tag-summary { flex: 1; color: var(--text-dim); font-size: 11px; white-space: nowrap; }
.tag-toggle { border: 1px solid var(--panel-border); background: var(--bg); color: var(--text-dim); border-radius: 6px; padding: 6px 8px; font-size: 12px; }
.tag-toggle:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.tag-toggle[hidden] { display: none; }
.main { overflow: auto; padding: 20px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.card { position: relative; overflow: hidden; border: 1px solid var(--panel-border); border-radius: 8px; background: var(--panel); cursor: pointer; display: flex; flex-direction: column; }
.card:hover, .card.active, .card.in-cart { border-color: var(--accent); }
.card.in-cart { background: var(--accent-soft); }
.thumb { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; background: #000; border-bottom: 1px solid var(--panel-border); }
.thumb-html { overflow: hidden; position: relative; }
.thumb-html iframe { width: 400%; height: 400%; border: 0; transform: scale(0.25); transform-origin: 0 0; background: #05070b; pointer-events: none; }
.thumb.missing, .preview-thumb.missing { display: flex; align-items: center; justify-content: center; flex-direction: column; color: var(--text-dim); text-align: center; padding: 18px; line-height: 1.45; }
.favorite-btn { border: 1px solid var(--panel-border); background: rgba(15, 17, 21, 0.86); color: var(--text-dim); border-radius: 6px; min-width: 32px; height: 32px; display: grid; place-items: center; padding: 0; }
.favorite-btn:hover, .favorite-btn.active { color: #ffd166; border-color: rgba(255, 209, 102, 0.55); background: rgba(79, 64, 28, 0.84); }
.card-favorite { position: absolute; top: 8px; left: 8px; z-index: 2; }
.badges { position: absolute; top: 8px; right: 8px; display: flex; flex-direction: column; gap: 4px; align-items: flex-end; }
.badge { padding: 3px 8px; border-radius: 4px; background: rgba(15, 17, 21, 0.86); color: var(--text-dim); font-size: 11px; font-weight: 700; }
.select-box { display: none; position: absolute; top: 8px; left: 8px; width: 26px; height: 26px; border-radius: 6px; border: 1px solid var(--text-dim); background: rgba(15, 17, 21, 0.86); }
.cart-open .select-box { display: block; top: 46px; }
.card.in-cart .select-box { background: var(--accent); border-color: var(--accent); }
.card.in-cart .select-box::after { content: "✓"; display: grid; place-items: center; height: 100%; color: white; font-weight: 800; }
.body { padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.body h3 { margin: 0; font-size: 14px; line-height: 1.4; }
.body p { margin: 0; color: var(--text-dim); font-size: 12px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.group-note, footer { display: flex; justify-content: space-between; gap: 8px; color: var(--text-dim); font-size: 11px; }
.group-note span, footer span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag { background: var(--tag-bg); color: var(--tag-text); border-radius: 4px; padding: 2px 8px; font-size: 11px; }
.empty { color: var(--text-dim); padding: 40px; text-align: center; }
.preview, .cart { display: none; background: var(--panel); border-left: 1px solid var(--panel-border); min-width: 0; }
.preview-open .preview, .cart-open .cart { display: flex; flex-direction: column; }
.panel-head { min-height: 54px; border-bottom: 1px solid var(--panel-border); display: flex; align-items: center; gap: 12px; padding: 12px 16px; }
.panel-head h2 { margin: 0; flex: 1; font-size: 14px; line-height: 1.4; }
.panel-head button { border: 1px solid var(--panel-border); background: var(--bg); color: var(--text-dim); border-radius: 4px; padding: 5px 9px; }
.preview-body { flex: 1; min-height: 0; overflow: auto; }
.source-preview-wrap { height: min(64vh, 720px); min-height: 360px; background: #05070b; border-bottom: 1px solid var(--panel-border); }
.source-preview { width: 100%; height: 100%; border: 0; display: block; background: #05070b; }
.source-preview.missing { display: grid; place-items: center; color: var(--text-dim); }
.uploaded-source-image { object-fit: contain; }
.open-source { color: var(--accent); text-decoration: none; }
.open-source:hover { text-decoration: underline; }
.preview-thumb { width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #000; display: block; }
.meta { display: grid; grid-template-columns: 80px 1fr; gap: 8px 12px; padding: 16px; margin: 0; border-top: 1px solid var(--panel-border); }
.meta dt { color: var(--text-dim); }
.meta dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.version { margin: 0 6px 6px 0; padding: 4px 8px; border: 1px solid var(--panel-border); border-radius: 4px; background: var(--bg); color: var(--text-dim); }
.preview-actions, .cart-actions { display: flex; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--panel-border); }
.preview-actions button:not(.favorite-btn), .cart-actions button { flex: 1; padding: 8px 12px; border-radius: 6px; border: 1px solid var(--panel-border); background: var(--bg); color: var(--text); }
.preview-favorite { flex: 0 0 44px; height: auto; min-height: 38px; }
.tag-editor { padding: 0 16px 16px; display: flex; flex-direction: column; gap: 8px; }
.tag-editor label { color: var(--text-dim); font-size: 12px; }
.tag-picker { display: flex; flex-direction: column; gap: 10px; padding: 10px; border: 1px solid var(--panel-border); border-radius: 8px; background: var(--bg); }
.tag-picker-group { display: flex; flex-direction: column; gap: 6px; }
.tag-picker-group p { margin: 0; color: var(--text-dim); font-size: 11px; }
.tag-picker-options { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-option { border: 1px solid var(--panel-border); border-radius: 6px; background: #10141d; color: var(--tag-text); padding: 6px 9px; font-size: 12px; line-height: 1; }
.tag-option:hover { border-color: var(--accent); color: var(--text); }
.tag-option.selected { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.tag-editor-actions { display: flex; gap: 8px; }
.tag-editor-actions button { flex: 1; padding: 7px 10px; border-radius: 6px; border: 1px solid var(--panel-border); background: var(--bg); color: var(--text); }
.cart-list { list-style: none; margin: 0; padding: 8px; flex: 1; overflow: auto; display: flex; flex-direction: column; gap: 6px; }
.cart-item { display: flex; align-items: center; gap: 8px; padding: 6px 8px; background: var(--bg); border: 1px solid var(--panel-border); border-radius: 6px; }
.cart-item img, .mini-missing { width: 56px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 3px; background: #000; flex: 0 0 auto; }
.seq { color: var(--text-dim); font-size: 11px; font-variant-numeric: tabular-nums; }
.label { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 12px; }
.remove { border: none; background: transparent; color: var(--text-dim); font-size: 16px; }
.cart-empty { color: var(--text-dim); padding: 40px 16px; text-align: center; font-size: 12px; }
.upload-page { min-height: 100%; height: auto; overflow: auto; }
.upload-topbar { position: sticky; top: 0; z-index: 5; min-height: 56px; }
.upload-shell { padding: 20px; display: grid; grid-template-columns: minmax(320px, 420px) minmax(360px, 1fr) minmax(320px, 420px); gap: 16px; align-items: start; }
.upload-panel { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 8px; padding: 16px; min-width: 0; }
.upload-drop { position: relative; min-height: 150px; border: 1px dashed #3a4357; border-radius: 8px; background: #10141d; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; padding: 18px; }
.upload-drop.dragging { border-color: var(--accent); background: var(--accent-soft); }
.upload-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload-drop strong { font-size: 16px; }
.upload-drop span, .upload-status, .upload-section-head span { color: var(--text-dim); font-size: 12px; }
.upload-status[data-tone="success"] { color: #6ee7a8; }
.upload-status[data-tone="error"] { color: #ff7d7d; }
.review-summary { min-height: 20px; color: var(--text-dim); font-size: 12px; }
.upload-form { display: grid; gap: 10px; margin-top: 14px; }
.upload-form label { display: flex; flex-direction: column; gap: 6px; color: var(--text-dim); font-size: 12px; }
.upload-form input, .upload-form select { width: 100%; border: 1px solid var(--panel-border); border-radius: 6px; background: var(--bg); color: var(--text); padding: 9px 10px; outline: none; }
.upload-form input:focus, .upload-form select:focus { border-color: var(--accent); }
.upload-tags { margin-top: 14px; }
.upload-tags h2, .upload-section-head h2 { margin: 0; font-size: 13px; }
.upload-tags .tag-picker { margin-top: 8px; }
.upload-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.upload-actions button, .uploaded-package button { border: 1px solid var(--panel-border); border-radius: 6px; background: var(--bg); color: var(--text); padding: 8px 10px; }
.upload-actions button:hover, .uploaded-package button:hover { border-color: var(--accent); background: var(--accent-soft); }
.upload-actions button:disabled { color: var(--text-dim); opacity: 0.55; cursor: not-allowed; }
.upload-section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.upload-preview-list, .uploaded-packages { display: flex; flex-direction: column; gap: 8px; max-height: calc(100vh - 130px); overflow: auto; }
.pending-item, .uploaded-package { display: grid; grid-template-columns: 128px minmax(0, 1fr); gap: 10px; border: 1px solid var(--panel-border); border-radius: 8px; background: var(--bg); padding: 8px; }
.pending-item.review-exact { border-color: rgba(255, 125, 125, 0.45); }
.pending-item.review-similar { border-color: rgba(255, 209, 102, 0.45); }
.pending-item.review-new { border-color: rgba(110, 231, 168, 0.28); }
.pending-preview { width: 128px; aspect-ratio: 16 / 9; border-radius: 5px; background: #05070b; overflow: hidden; position: relative; }
.pending-preview img, .pending-missing { width: 100%; height: 100%; object-fit: cover; }
.pending-frame { width: 400%; height: 400%; border: 0; transform: scale(0.25); transform-origin: 0 0; background: #05070b; pointer-events: none; }
.pending-missing { display: grid; place-items: center; color: var(--text-dim); font-size: 12px; }
.pending-title-row { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 4px; }
.pending-title-row h3, .uploaded-package h3 { margin: 0; font-size: 13px; line-height: 1.35; flex: 1; }
.review-badge { flex: 0 0 auto; border: 1px solid var(--panel-border); border-radius: 999px; padding: 2px 7px; color: var(--text-dim); font-size: 11px; }
.review-exact .review-badge { color: #ffb3b3; border-color: rgba(255, 125, 125, 0.55); }
.review-similar .review-badge { color: #ffe1a3; border-color: rgba(255, 209, 102, 0.55); }
.review-new .review-badge { color: #a8f3c8; border-color: rgba(110, 231, 168, 0.55); }
.pending-item p, .uploaded-package p { margin: 0 0 8px; color: var(--text-dim); font-size: 11px; overflow-wrap: anywhere; }
.match-card { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 8px; margin-top: 8px; padding: 6px; border: 1px solid var(--panel-border); border-radius: 6px; background: #10141d; }
.match-card img, .match-card span { width: 58px; aspect-ratio: 16 / 9; border-radius: 4px; background: #05070b; object-fit: cover; }
.match-card b { display: block; font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.match-card small { display: block; color: var(--text-dim); font-size: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.review-actions { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.review-actions label { color: var(--text-dim); font-size: 11px; }
.review-actions select { flex: 1; min-width: 0; border: 1px solid var(--panel-border); border-radius: 6px; background: var(--bg); color: var(--text); padding: 6px 8px; font-size: 12px; }
.uploaded-package { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
.uploaded-package button { color: #ffb3b3; }
@media (max-width: 980px) {
  .layout, .layout.preview-open, .layout.cart-open { grid-template-columns: 1fr; grid-template-rows: auto auto 1fr; }
  .topbar { flex-wrap: wrap; min-height: 72px; padding: 10px 14px; }
  .sidebar { max-height: 260px; border-right: none; border-bottom: 1px solid var(--panel-border); }
  .preview-open .preview, .cart-open .cart { position: fixed; inset: 8vh 12px 12px; z-index: 10; border: 1px solid var(--panel-border); border-radius: 8px; }
  .upload-shell { grid-template-columns: 1fr; padding: 12px; }
  .upload-preview-list, .uploaded-packages { max-height: none; }
}