:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --danger: #dc2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  background: var(--blue);
  color: white;
  padding: 24px 16px;
  text-align: center;
}

header h1 { margin: 0 0 4px; font-size: 22px; }
.subtitle { margin: 0; font-size: 14px; opacity: 0.9; }
.logout-link {
  display: inline-block;
  margin-top: 10px;
  color: white;
  opacity: 0.85;
  font-size: 12px;
  text-decoration: underline;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px;
}

.drop-zone {
  background: var(--card);
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 32px 16px;
  text-align: center;
  margin-bottom: 16px;
  transition: border-color 0.15s, background 0.15s;
}

.drop-zone.dragover {
  border-color: var(--blue);
  background: #eff6ff;
}

.pick-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

#pick-file-btn, #pick-camera-btn {
  background: var(--blue);
  color: white;
  border: none;
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
}

#pick-file-btn:active, #pick-camera-btn:active { background: var(--blue-dark); }

.drop-hint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.status {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}

.status.info { background: #eff6ff; color: var(--blue-dark); }
.status.error { background: #fef2f2; color: var(--danger); }
.status.success { background: #f0fdf4; color: #15803d; }

.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar button {
  flex: 1;
  min-width: 140px;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-size: 14px;
  cursor: pointer;
  background: var(--blue);
  color: white;
}

.toolbar button.secondary {
  background: white;
  color: var(--danger);
  border: 1px solid var(--border);
}

.table-wrap {
  background: var(--card);
  border-radius: 12px;
  overflow-x: auto;
  border: 1px solid var(--border);
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  background: var(--blue);
  color: white;
  position: sticky;
  top: 0;
}

tbody tr:nth-child(even) { background: #fafbfc; }

.row-delete {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 16px;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 24px;
  margin: 0;
}

.print-only { display: none; }

@media print {
  header, .drop-zone, .status, .toolbar, .empty-state, .col-actions {
    display: none !important;
  }
  .print-only { display: block; margin: 0 0 12px; }
  main { max-width: none; padding: 0; }
  .table-wrap { border: none; border-radius: 0; }
  th { background: #2563eb !important; color: white !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}