:root {
  --bg: #f4f6f8;
  --card: #fff;
  --text: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #0d9488;
  --accent-d: #0f766e;
  --danger: #dc2626;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.45;
}

a { color: var(--accent-d); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}
.topbar nav a {
  margin-left: 14px;
  font-size: 0.9rem;
  color: var(--muted);
}
.topbar nav a.active { color: var(--accent-d); font-weight: 600; }

.wrap { max-width: 560px; margin: 0 auto; padding: 16px; }

.panel {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 16px;
  margin-bottom: 16px;
}
.panel h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
}

label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 4px;
}
input[type="text"],
input[type="password"],
input[type="number"],
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 1rem;
  margin-bottom: 12px;
}
textarea { min-height: 72px; resize: vertical; }

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  font-size: 0.95rem;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
}
.btn:hover { background: var(--accent-d); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-outline {
  background: transparent;
  color: var(--accent-d);
  border: 1px solid var(--line);
}
.btn-outline:hover { background: var(--bg); }
.btn-block { width: 100%; text-align: center; }

.msg { font-size: 0.85rem; margin-top: 8px; }
.msg.err { color: var(--danger); }

#scanVideo {
  width: 100%;
  border-radius: 8px;
  background: #000;
  display: block;
}
.scan-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.scan-actions .btn { flex: 1; min-width: 120px; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
  border: 1px solid var(--line);
  user-select: none;
  background: #fff;
}
.tag-pill input { margin: 0; }
.tag-pill.on { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.stat-box {
  background: var(--bg);
  padding: 12px;
  border-radius: 8px;
  text-align: center;
}
.stat-box .n { font-size: 1.4rem; font-weight: 700; color: var(--accent-d); }
.stat-box .l { font-size: 0.75rem; color: var(--muted); }

.tag-bar {
  margin: 6px 0 10px;
  height: 6px;
  border-radius: 3px;
  background: var(--line);
  overflow: hidden;
}
.tag-bar > i {
  display: block;
  height: 100%;
  border-radius: 3px;
}

.list-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.list-item:last-child { border-bottom: none; }
.list-item .name { font-weight: 600; }
.list-item .meta { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }
.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  color: #fff;
  margin-right: 4px;
  margin-top: 4px;
}

.hidden { display: none !important; }

.login-box { max-width: 360px; margin: 48px auto; padding: 24px; }