:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4d;
  --text: #e7ecf3;
  --muted: #8b9bb4;
  --accent: #3b82f6;
  --accent2: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
  --pad: 16px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans TC", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); min-height: 100%; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: 0.9rem; }
.error { color: #fecaca; background: #7f1d1d55; border: 1px solid #ef4444aa; padding: 10px 12px; border-radius: 8px; white-space: pre-wrap; word-break: break-word; }
.ok { color: #bbf7d0; background: #14532d55; border: 1px solid #22c55e88; padding: 10px 12px; border-radius: 8px; white-space: pre-wrap; }

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100dvh; padding: var(--pad); }
.login-card { width: 100%; max-width: 360px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 22px; }
.login-card h1 { margin: 0 0 4px; font-size: 1.4rem; letter-spacing: 0.04em; }
.login-card label { display: block; margin: 16px 0 6px; font-size: 0.85rem; color: var(--muted); }
.login-card input { width: 100%; padding: 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 1rem; }

.topbar { position: sticky; top: 0; z-index: 20; background: #0f1419ee; backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); padding: 12px var(--pad); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.topbar h1 { margin: 0; font-size: 1.05rem; flex: 1; min-width: 140px; }
.wrap { max-width: 960px; margin: 0 auto; padding: var(--pad); padding-bottom: 80px; }

.btn { appearance: none; border: 1px solid var(--border); background: var(--card); color: var(--text); padding: 10px 14px; border-radius: 8px; font-size: 0.95rem; cursor: pointer; min-height: 44px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.good { background: #166534; border-color: #22c55e; }
.btn.warn { background: #92400e; border-color: var(--warn); }
.btn.danger { background: #7f1d1d; border-color: var(--danger); }
.btn.block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }

input[type="search"], input[type="text"], input[type="url"], input[type="datetime-local"], select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 1rem;
}
textarea { min-height: 72px; font-family: ui-monospace, monospace; font-size: 0.85rem; }
label.field { display: block; margin: 10px 0 4px; font-size: 0.8rem; color: var(--muted); }

.filters { display: grid; gap: 8px; margin-bottom: 12px; }
@media (min-width: 640px) { .filters { grid-template-columns: 1fr 1fr 1fr; } }

.list { display: flex; flex-direction: column; gap: 8px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px; cursor: pointer; text-align: left; color: inherit; width: 100%;
}
.card:hover, .card:focus { border-color: var(--accent); outline: none; }
.card .title { font-weight: 600; margin: 0 0 4px; }
.card .meta { font-size: 0.8rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 12px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; background: #334155; }
.badge.pending { background: #854d0e; }
.badge.verified, .badge.completed { background: #166534; }

.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.panel h2 { margin: 0 0 10px; font-size: 1.05rem; }
.panel h3 { margin: 16px 0 8px; font-size: 0.95rem; color: var(--muted); font-weight: 600; }
.sale-card { border: 1px dashed var(--border); border-radius: 8px; padding: 10px; margin: 8px 0; }
.channel-row { display: grid; gap: 6px; margin: 8px 0; padding: 8px; background: var(--bg); border-radius: 8px; }
@media (min-width: 640px) { .channel-row { grid-template-columns: 1fr 2fr auto; align-items: end; } }

.diff-box { display: grid; gap: 8px; }
@media (min-width: 720px) { .diff-box { grid-template-columns: 1fr 1fr; } }
.diff-box pre {
  margin: 0; padding: 10px; background: var(--bg); border-radius: 8px; overflow: auto;
  max-height: 320px; font-size: 0.72rem; line-height: 1.35;
}
.sticky-actions {
  position: sticky; bottom: 0; background: #0f1419f2; border-top: 1px solid var(--border);
  padding: 10px var(--pad); display: flex; flex-wrap: wrap; gap: 8px; z-index: 15;
}
.hidden { display: none !important; }
.spinner { opacity: 0.7; }

/* List thumbnails + sale sort */
.card-with-thumb {
  display: flex;
  gap: 12px;
  align-items: stretch;
}
.thumb {
  flex: 0 0 64px;
  width: 64px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.thumb-empty {
  font-size: 0.7rem;
  color: var(--muted);
  text-align: center;
  padding: 4px;
}
.card-body { flex: 1; min-width: 0; }
.sale-at { color: #93c5fd; font-weight: 500; }
.sale-at.sale-past { color: var(--muted); font-weight: 400; }
.sale-at.sale-none { color: #64748b; }

.edit-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 8px;
}
.edit-poster {
  flex: 0 0 96px;
  width: 96px;
  height: 120px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.edit-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (min-width: 640px) {
  .thumb { flex-basis: 72px; width: 72px; height: 90px; }
  .edit-poster { flex-basis: 120px; width: 120px; height: 150px; }
}
.sort-hint { margin: 0 0 10px; font-size: 0.8rem; }

/* Active / Archive tabs */
.view-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.tab {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.95rem;
  cursor: pointer;
  min-height: 44px;
  flex: 1 1 auto;
  max-width: 200px;
}
.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }