* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

:root {
  --bg-page: #f5f3ff;
  --bg-panel: #ffffff;
  --bg-elevated: #f3e8ff;
  --bg-input: #ffffff;
  --bg-input-readonly: #f3e8ff;
  --text-primary: #1e1b4b;
  --text-secondary: #4c1d95;
  --text-muted: #7c6fa8;
  --text-label: #5b21b6;
  --border: #e9d5ff;
  --border-panel: #e9d5ff;
  --accent-heading: #7c3aed;
  --accent-link: #7c3aed;
  --section-heading: #6d28d9;
  --btn-primary-bg: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
  --btn-secondary-bg: #7c6fa8;
  --btn-danger-bg: #dc2626;
  --tab-bg: #f3e8ff;
  --tab-text: #5b21b6;
  --tab-border: #e9d5ff;
  --tab-active-bg: #7c3aed;
  --tab-active-border: #7c3aed;
  --msg-success-bg: #dcfce7;
  --msg-success-border: #22c55e;
  --msg-error-bg: #fee2e2;
  --msg-error-border: #ef4444;
  --shadow-card: 0 12px 40px rgba(91, 33, 182, 0.1);
  --star-inactive: #d8b4fe;
  --star-active: #d97706;
  --star-label: #7c6fa8;
  --hint-text: #7c6fa8;
  --year-summary: #7c3aed;
}

[data-theme="dark"] {
  --bg-page: #060b19;
  --bg-panel: #0d1630;
  --bg-elevated: #111a36;
  --bg-input: #111a36;
  --bg-input-readonly: #0b1224;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-label: #cbd5e1;
  --border: #1e2d5a;
  --border-panel: #16254e;
  --accent-heading: #4facfe;
  --accent-link: #60a5fa;
  --section-heading: #38bdf8;
  --btn-primary-bg: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
  --btn-secondary-bg: #475569;
  --btn-danger-bg: #dc2626;
  --tab-bg: #111a36;
  --tab-text: #cbd5e1;
  --tab-border: #1e2d5a;
  --tab-active-bg: #1d4ed8;
  --tab-active-border: #1d4ed8;
  --msg-success-bg: #14532d;
  --msg-success-border: #22c55e;
  --msg-error-bg: #7f1d1d;
  --msg-error-border: #ef4444;
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
  --star-inactive: #334155;
  --star-active: #facc15;
  --star-label: #94a3b8;
  --hint-text: #93c5fd;
  --year-summary: #93c5fd;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.admin-app {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: 12px;
  padding: 24px;
}

.login-page {
  min-height: calc(100vh - 48px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 36px 32px 28px;
  box-shadow: var(--shadow-card);
}

.login-brand {
  text-align: center;
  margin-bottom: 28px;
}

.login-brand h1 {
  margin: 0;
  color: var(--accent-heading);
  font-size: 30px;
}

.login-subtitle {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 16px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.login-submit {
  width: 100%;
  margin-top: 4px;
  padding: 12px 18px;
  font-size: 16px;
}

.login-footer {
  margin-top: 24px;
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.login-footer .back-link {
  font-size: 16px;
}

.admin-header h1 {
  margin: 0 0 8px;
  color: var(--accent-heading);
  font-size: 28px;
}

.muted {
  color: var(--text-muted);
  font-size: 16px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  color: var(--text-label);
}

input,
select,
button,
textarea {
  font: inherit;
}

input,
select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
}

button {
  cursor: pointer;
}

#loginBtn,
.btn-primary,
.login-submit {
  background: var(--btn-primary-bg);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 18px;
  font-weight: 600;
}

.btn-secondary,
.btn-danger {
  border: none;
  border-radius: 6px;
  padding: 10px 18px;
  font-weight: 600;
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: #fff;
}

.btn-danger {
  background: var(--btn-danger-bg);
  color: #fff;
}

.error-text {
  color: #f87171;
  font-size: 15px;
  margin: 0;
  text-align: center;
}

.back-link,
.header-link {
  color: var(--accent-link);
  text-decoration: none;
  font-size: 15px;
  white-space: nowrap;
}

.header-text-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent-link);
  font-size: 15px;
  font-weight: 400;
  white-space: nowrap;
}

.header-text-btn:hover {
  text-decoration: underline;
}

.admin-top-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.admin-top-bar-spacer {
  flex: 1;
}

.admin-header {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.admin-header-centered {
  text-align: center;
}

.admin-header-centered h1 {
  margin: 0 0 8px;
}

.admin-header-subtitle {
  margin: 0;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 14px;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--accent-heading);
  color: var(--accent-heading);
}

.theme-toggle-icon {
  font-size: 16px;
  line-height: 1;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tab,
.manual-tab {
  background: var(--tab-bg);
  color: var(--tab-text);
  border: 1px solid var(--tab-border);
  border-radius: 999px;
  padding: 8px 16px;
}

.tab.active,
.manual-tab.active {
  background: var(--tab-active-bg);
  border-color: var(--tab-active-border);
  color: #fff;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.manual-import {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.manual-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.manual-tab-content {
  display: none;
}

.manual-tab-content.active {
  display: block;
}

.manual-section {
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: 12px;
  padding: 24px;
}

.manual-section .form-grid h2,
.form-grid h2 {
  margin: 0 0 16px;
  font-size: 20px;
  color: var(--section-heading);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.form-row {
  margin-bottom: 16px;
}

.two-col,
.three-col,
.mini-grid {
  display: grid;
  gap: 16px;
}

.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mini-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

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

.message-box.success {
  background: var(--msg-success-bg);
  border: 1px solid var(--msg-success-border);
}

.message-box.error {
  background: var(--msg-error-bg);
  border: 1px solid var(--msg-error-border);
}

.success-dialog {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.success-dialog[hidden] {
  display: none;
}

.success-dialog-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
}

.success-dialog-panel {
  position: relative;
  width: min(100%, 420px);
  padding: 24px;
  border-radius: 12px;
  background: var(--bg-panel);
  border: 1px solid var(--msg-success-border);
  box-shadow: var(--shadow-card);
}

.success-dialog-panel h3 {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--text-primary);
}

.success-dialog-panel p {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-muted);
}

.success-dialog-panel .btn-primary {
  width: 100%;
}

.confirm-dialog-panel {
  border-color: var(--msg-error-border);
}

.confirm-dialog-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.confirm-dialog-actions .btn-secondary,
.confirm-dialog-actions .btn-danger {
  min-width: 96px;
}

.year-details {
  margin: 16px 0;
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.year-details summary {
  cursor: pointer;
  color: var(--year-summary);
  margin-bottom: 12px;
}

.program-forms {
  display: grid;
  gap: 16px;
}

.program-block {
  background: var(--bg-elevated);
  border-radius: 8px;
  padding: 12px;
}

.program-block h3 {
  margin: 0 0 12px;
  font-size: 17px;
  color: var(--section-heading);
}

.star-rating {
  display: inline-flex;
  gap: 4px;
  padding: 8px 0;
}

.star-rating button {
  border: none;
  background: transparent;
  color: var(--star-inactive);
  font-size: 28px;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  transition: color 0.15s ease, transform 0.15s ease;
}

.star-rating button.active,
.star-rating button:hover,
.star-rating button:focus-visible {
  color: var(--star-active);
}

.star-rating button:hover {
  transform: scale(1.1);
}

.star-rating-label {
  display: inline-block;
  margin-left: 8px;
  font-size: 15px;
  color: var(--star-label);
  vertical-align: middle;
}

.school-info-panel {
  margin-bottom: 16px;
  padding: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.school-info-panel .two-col {
  margin-bottom: 12px;
}

.field-hint {
  margin: 0 0 16px;
  line-height: 1.6;
}

textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  resize: vertical;
}

input[readonly] {
  background: var(--bg-input-readonly);
  color: var(--text-muted);
}

.four-col {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 768px) {
  .two-col,
  .three-col,
  .four-col,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  .admin-main-tabs {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-tab-list {
    width: 100%;
  }

  .admin-export-btn {
    width: 100%;
  }

  .theme-toggle-label {
    display: none;
  }

  .sheet-cell {
    min-width: 100px;
  }
}

.import-desc {
  margin-bottom: 16px;
  line-height: 1.7;
}

.import-status {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 0 0 16px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

.import-status strong {
  color: var(--text);
  font-weight: 600;
}

.import-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.template-link {
  color: var(--accent-link);
  text-decoration: none;
  font-size: 16px;
}

.import-preview {
  margin-top: 16px;
  padding: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  line-height: 1.8;
  white-space: pre-line;
}

.admin-main-tabs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.admin-tab-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-export-btn {
  white-space: nowrap;
  flex-shrink: 0;
}

.admin-tab-panel {
  display: none;
}

.admin-tab-panel.active {
  display: block;
}

.crud-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.crud-select-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.crud-search-row {
  margin-bottom: 0;
}

.school-picker-wrap {
  display: block;
}

.school-picker-wrap[hidden] {
  display: none !important;
}

.school-selected-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.school-picker {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow: auto;
  padding: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.picker-empty {
  margin: 0;
  padding: 8px;
}

.school-pick-item {
  text-align: left;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
}

.school-pick-item:hover {
  background: var(--tab-active-bg);
  border-color: var(--tab-active-border);
  color: #fff;
}

.program-panel {
  margin-top: 0;
}

.program-panel-header h3 {
  margin: 0 0 8px;
}

.spreadsheet-wrap {
  overflow: auto;
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-panel);
}

.spreadsheet-table {
  border-collapse: separate;
  border-spacing: 0;
  min-width: max-content;
  font-size: 14px;
}

.spreadsheet-table th,
.spreadsheet-table td {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0;
  vertical-align: middle;
  white-space: nowrap;
}

.spreadsheet-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-elevated);
  color: var(--text-label);
  font-weight: 600;
  padding: 8px 10px;
}

.spreadsheet-table tbody tr:hover {
  background: rgba(139, 92, 246, 0.08);
}

.spreadsheet-table tr.sheet-row-saved {
  background: rgba(34, 197, 94, 0.12);
}

.sheet-cell {
  display: block;
  min-width: 120px;
  max-width: 280px;
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font: inherit;
}

.sheet-cell:focus {
  outline: 2px solid var(--accent-heading);
  outline-offset: -2px;
  background: var(--bg-input);
}

.sheet-cell[readonly] {
  background: var(--bg-input-readonly);
  color: var(--text-muted);
}

.sheet-actions-col {
  position: sticky;
  right: 0;
  z-index: 1;
  background: var(--bg-panel);
  padding: 6px 8px !important;
  white-space: nowrap;
}

.create-row-actions {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: auto;
  white-space: normal;
  align-items: flex-start;
}

.create-row-action-link {
  background: none;
  border: none;
  padding: 2px 0;
  color: var(--accent-link);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  text-align: left;
  line-height: 1.4;
}

.create-row-action-link:hover:not(:disabled) {
  text-decoration: underline;
}

.create-row-action-link:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.spreadsheet-table thead .sheet-actions-col {
  background: var(--bg-elevated);
  z-index: 3;
}

.btn-small {
  padding: 6px 10px;
  font-size: 14px;
}

.form-section {
  margin-bottom: 16px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated);
}

.form-section summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--section-heading);
  margin-bottom: 12px;
}