:root {
  --primary: #2563eb;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --text: #0f172a;
  --muted: #64748b;
  --surface: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--surface);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.2px;
  margin: 0;
  padding: 16px 0;
}

.toolbar,
.filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar {
  padding: 16px 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 16px;
}

.input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s ease;
  background: #fff;
}

.input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-600);
}

.btn {
  border: none;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn.primary {
  background: var(--primary-600);
  color: #fff;
}

.btn.primary:hover {
  background: var(--primary-700);
}

.btn.ghost {
  background: transparent;
  color: var(--primary-600);
  border: 1px solid var(--border);
}

.btn.danger {
  background: #ef4444;
  color: #fff;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

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

th {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.6px;
}

tbody tr {
  background: #fff;
}

tbody tr:hover {
  background: #f8fafc;
}

.row-actions {
  display: flex;
  gap: 8px;
}

.grid {
  display: grid;
  gap: 12px;
}

.grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.grid.three {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .grid.three {
    grid-template-columns: 1fr;
  }

  .grid.two {
    grid-template-columns: 1fr;
  }
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.2);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 640px;
}

.modal-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
}

.modal-body {
  padding: 16px;
}

.modal-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.modal-backdrop.show {
  display: flex;
}

.pill {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

.pill.primary {
  color: var(--primary-600);
  border-color: var(--primary-600);
}

.searchbar {
  flex: 1;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-overlay.show {
  display: flex;
}

.spinner {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  background: #fff;
  box-shadow: var(--shadow);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}