:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --primary: #2563eb;
  --secondary: #0f172a;
  --success: #16a34a;
  --danger: #dc2626;
  --border: #e2e8f0;
  --text: #0f172a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

header.header-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.role-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.role-switcher label {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
  font-weight: 400;
  margin: 0;
  display: inline;
}

.role-switcher select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  font-size: 0.875rem;
  cursor: pointer;
  width: auto;
  margin: 0;
  font-weight: 500;
}

h1 {
  margin: 0;
  font-size: 2rem;
}

.subtitle {
  margin: 4px 0 0;
  color: #475569;
}

.card,
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 18px;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.hidden {
  display: none;
}

button,
input,
select {
  font: inherit;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  cursor: pointer;
}

button.primary {
  background: var(--primary);
  color: white;
}

button.secondary {
  background: #e2e8f0;
  color: var(--secondary);
}

button.icon-button {
  width: 30px;
  height: 30px;
  min-width: 30px;
  padding: 0;
  font-size: 0.95rem;
  border-radius: 8px;
  background: #f8fafc;
  color: var(--secondary);
  border: 1px solid transparent;
  transition: background 120ms ease, border-color 120ms ease;
}

button.icon-button:hover {
  background: rgba(37, 99, 235, 0.16);
  border-color: rgba(37, 99, 235, 0.24);
}

button.icon-button.danger-hover:hover {
  background: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.22);
  color: #dc2626;
}

.table-actions {
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
}

input,
select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-top: 8px;
}

label {
  display: block;
  margin-bottom: 16px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.tab-button {
  background: #f1f5f9;
  color: var(--secondary);
  padding: 10px 16px;
}

.tab-button.active {
  background: var(--primary);
  color: white;
}

.list {
  display: grid;
  gap: 14px;
}

.school-table-wrapper {
  overflow-x: auto;
}

.school-table {
  width: 100%;
  min-width: max-content;
  border-collapse: collapse;
  table-layout: auto;
}

.school-table th,
.school-table td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: middle;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.school-table th {
  background: #f1f5f9;
}

.school-table th:nth-child(2),
.school-table td:nth-child(2),
.school-table th:nth-child(3),
.school-table td:nth-child(3) {
  width: 160px;
}

.school-table th:nth-child(4),
.school-table td:nth-child(4) {
  width: 90px;
}

.school-table th:nth-child(5),
.school-table td:nth-child(5) {
  width: 70px;
}

.school-table th:nth-child(8),
.school-table td:nth-child(8) {
  width: 90px;
  text-align: center;
}

.school-edit-row td {
  padding: 0;
  border: none;
}

.school-edit-panel {
  background: #fff;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.school-edit-panel h4 {
  margin-top: 0;
}

.school-edit-panel label {
  display: block;
  margin-bottom: 12px;
}

.dashboard-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.dashboard-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.dashboard-card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.dashboard-card p {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}

.school-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  background: #f8fafc;
}

.school-edit-form {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.school-edit-form label {
  display: block;
  margin-bottom: 12px;
}

.school-edit-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.school-card h3 {
  margin: 0 0 10px;
}

.school-card p {
  margin: 4px 0;
}

.school-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.status {
  margin-top: 16px;
  font-size: 0.95rem;
  color: #334155;
}

.status.error {
  color: var(--danger);
}

.status.success {
  color: var(--success);
}

@media (max-width: 720px) {
  .toolbar {
    flex-direction: column;
  }
}