:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #18212f;
  --muted: #607089;
  --border: #dde4ee;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, input, textarea { font: inherit; }
button { cursor: pointer; border: 0; border-radius: 12px; padding: 10px 16px; }
input, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fff;
}
textarea { resize: vertical; }
.app-shell {
  max-width: 1160px;
  margin: 0 auto;
  padding: 24px;
}
.card {
  background: var(--card);
  border-radius: 20px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(221, 228, 238, 0.8);
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 24px;
  margin-bottom: 20px;
}
.page-header h1 { margin: 0 0 8px; font-size: 30px; }
.page-header p { margin: 0; color: var(--muted); }
.header-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card { padding: 20px; }
.stat-label { color: var(--muted); margin-bottom: 8px; }
.stat-value { font-size: 36px; font-weight: 700; }
.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.panel { padding: 20px; }
.panel h2, .table-panel h2 { margin-top: 0; }
.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}
.hint { color: var(--muted); margin-bottom: 0; }
.detected-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.tag {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 14px;
}
.table-panel { padding: 20px; }
.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.status-text { color: var(--muted); }
.empty-state {
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  color: var(--muted);
}
.result-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.result-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.result-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}
.plate { font-size: 22px; font-weight: 700; }
.badge {
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 600;
}
.badge-success { background: #dcfce7; color: #166534; }
.badge-muted { background: #eef2f7; color: #475569; }
.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.meta-item {
  background: #f8fafc;
  border-radius: 14px;
  padding: 10px 12px;
}
.meta-label { color: var(--muted); font-size: 13px; margin-bottom: 4px; }
.meta-value { font-weight: 600; word-break: break-all; }
.actions-row { display: flex; gap: 8px; flex-wrap: wrap; }
.primary-btn { background: var(--primary); color: #fff; }
.primary-btn:hover { background: var(--primary-hover); }
.secondary-btn { background: #e5eefc; color: #1d4ed8; }
.danger-btn { background: #fee2e2; color: #991b1b; }
.mark-btn { background: #fef3c7; color: #92400e; }
.done-btn { background: #dcfce7; color: #166534; }
.small-btn { padding: 8px 12px; border-radius: 10px; }
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(15, 23, 42, 0.9);
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (max-width: 900px) {
  .stats-grid, .panel-grid, .result-list { grid-template-columns: 1fr; }
  .page-header, .detected-row, .table-header { flex-direction: column; align-items: stretch; }
  .input-row { grid-template-columns: 1fr; }
}