* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: 14px; color: #333; }

.app-layout { display: flex; height: 100vh; }

/* Sidebar */
.sidebar {
  width: 360px; min-width: 360px; display: flex; flex-direction: column;
  border-right: 1px solid #ddd; background: #fafafa; overflow-y: auto;
}
.sidebar-header { padding: 16px; border-bottom: 1px solid #ddd; }
.sidebar-header h1 { font-size: 18px; color: #1a1a1a; }
.subtitle { font-size: 12px; color: #888; margin-top: 4px; }

.filter-section { padding: 12px 16px; border-bottom: 1px solid #ddd; }
.filter-row { margin-bottom: 10px; }
.filter-row label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 4px; color: #555; }
.filter-row input[type="text"],
.filter-row input[type="number"] { width: 100%; padding: 6px 8px; border: 1px solid #ccc; border-radius: 4px; font-size: 13px; }
.range-inputs { display: flex; gap: 6px; align-items: center; }
.range-inputs input { flex: 1; }
.range-inputs span { color: #999; }
.checkbox-group { display: flex; flex-wrap: wrap; gap: 6px; }
.checkbox-group label { font-size: 12px; display: flex; align-items: center; gap: 3px; cursor: pointer; }

/* Buttons */
.btn { padding: 8px 16px; border: none; border-radius: 4px; cursor: pointer; font-size: 13px; }
.btn-primary { background: #2563eb; color: #fff; width: 100%; margin-top: 8px; }
.btn-primary:hover { background: #1d4ed8; }
.btn-secondary { background: #e5e7eb; color: #333; }
.btn-secondary:hover { background: #d1d5db; }
.btn-danger { background: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; }

/* Artifact list */
.artifact-list { flex: 1; overflow-y: auto; }
.list-header { padding: 10px 16px; font-size: 12px; color: #888; border-bottom: 1px solid #eee; }
.artifact-item { padding: 10px 16px; border-bottom: 1px solid #eee; cursor: pointer; }
.artifact-item:hover { background: #f0f4ff; }
.artifact-item.active { background: #dbeafe; }
.item-name { font-weight: 600; font-size: 14px; }
.item-site { font-size: 12px; color: #666; margin-top: 2px; }
.item-meta { display: flex; gap: 6px; margin-top: 6px; }
.tag { padding: 2px 8px; border-radius: 10px; font-size: 11px; }
.material-tag { background: #fef3c7; color: #92400e; }
.period-tag { background: #e0e7ff; color: #3730a3; }
.empty-list { padding: 24px; text-align: center; color: #999; }

/* Map */
.map-container { flex: 1; position: relative; }
#map { width: 100%; height: 100%; }

.map-legend {
  position: absolute; bottom: 20px; right: 20px;
  background: rgba(255,255,255,0.95); padding: 10px 14px;
  border-radius: 6px; box-shadow: 0 2px 8px rgba(0,0,0,0.15); z-index: 1000;
}
.legend-title { font-weight: 600; font-size: 12px; margin-bottom: 6px; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; margin-bottom: 3px; }
.legend-dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; border: 1px solid rgba(0,0,0,0.2); }

/* Modal */
.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.4); display: flex; justify-content: center; align-items: center;
  z-index: 2000;
}
.modal {
  background: #fff; border-radius: 8px; padding: 24px;
  max-width: 560px; width: 90%; max-height: 80vh; overflow-y: auto;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
  position: relative;
}
.modal-form { max-width: 640px; }
.modal-close { position: absolute; top: 8px; right: 12px; background: none; border: none; font-size: 24px; cursor: pointer; color: #999; }
.modal h2 { margin-bottom: 16px; font-size: 18px; }
.detail-table { width: 100%; border-collapse: collapse; }
.detail-table td { padding: 6px 8px; border-bottom: 1px solid #eee; font-size: 13px; }
.detail-table td:first-child { font-weight: 600; color: #555; width: 30%; white-space: nowrap; }
.modal-actions { display: flex; gap: 8px; margin-top: 16px; justify-content: flex-end; }

/* Form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { font-size: 12px; font-weight: 600; margin-bottom: 4px; color: #555; }
.form-group input, .form-group select, .form-group textarea {
  padding: 7px 8px; border: 1px solid #ccc; border-radius: 4px; font-size: 13px;
}
.form-hint { font-size: 12px; color: #888; margin-top: 12px; }

/* Image gallery (detail modal) */
.image-gallery { margin-top: 16px; padding-top: 12px; border-top: 1px solid #eee; }
.gallery-title { font-size: 13px; font-weight: 600; color: #555; margin-bottom: 8px; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 8px; }
.gallery-item { cursor: pointer; border: 1px solid #eee; border-radius: 4px; overflow: hidden; }
.gallery-item:hover { border-color: #2563eb; }
.gallery-item img { width: 100%; height: 80px; object-fit: cover; display: block; }
.gallery-caption { font-size: 11px; color: #666; padding: 4px 6px; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gallery-empty { font-size: 12px; color: #999; padding: 12px 0; }

/* Lightbox */
.lightbox-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.85); display: flex; justify-content: center; align-items: center;
  z-index: 3000;
}
.lightbox-content { max-width: 90vw; max-height: 90vh; position: relative; }
.lightbox-content img { max-width: 90vw; max-height: 85vh; border-radius: 4px; }
.lightbox-close { position: absolute; top: -36px; right: 0; background: none; border: none; font-size: 32px; color: #fff; cursor: pointer; }
.lightbox-caption { color: #fff; text-align: center; margin-top: 8px; font-size: 14px; }

/* Form image management */
.form-images { margin-top: 16px; padding-top: 12px; border-top: 1px solid #ddd; }
.form-images-title { font-size: 13px; font-weight: 600; color: #555; margin-bottom: 8px; }
.form-images-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.form-images-item { display: flex; align-items: center; gap: 8px; padding: 6px; background: #f9fafb; border-radius: 4px; }
.form-images-thumb { width: 48px; height: 48px; object-fit: cover; border-radius: 3px; border: 1px solid #eee; }
.form-images-name { flex: 1; font-size: 12px; color: #333; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.form-images-caption { font-size: 11px; color: #888; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.form-images-upload { display: flex; gap: 8px; align-items: center; }
.form-images-upload input[type="file"] { flex: 1; font-size: 12px; }
.caption-input { width: 140px; padding: 6px 8px; border: 1px solid #ccc; border-radius: 4px; font-size: 12px; }
.btn-small { padding: 4px 10px; font-size: 12px; }

/* Auth status in sidebar */
.auth-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #ddd;
}
.auth-user {
  font-size: 13px;
  color: #333;
}
.admin-badge {
  font-size: 10px;
  background: #dc2626;
  color: #fff;
  padding: 1px 6px;
  border-radius: 8px;
  margin-left: 4px;
}

/* Auth modal */
.auth-modal {
  max-width: 380px;
}
.auth-modal .form-group {
  margin-bottom: 12px;
}
.auth-modal .form-group label {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #555;
}
.auth-modal .form-group input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 14px;
}
.auth-switch {
  margin-top: 12px;
  text-align: center;
  font-size: 13px;
  color: #666;
}
.auth-switch a {
  color: #2563eb;
  text-decoration: none;
}
.auth-switch a:hover {
  text-decoration: underline;
}

/* Leaflet popup override */
.leaflet-popup-content { font-size: 13px; }
.leaflet-popup-content b { font-size: 14px; }