/* ============================================================================
   CABDriver PWA — Stylesheet
   Mobile-first design for a school briefing app
   ============================================================================ */

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-danger: #dc2626;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-border: #e2e8f0;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
  --max-width: 800px;
  --header-height: 56px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  padding-top: var(--header-height);
}

/* === Header === */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
  box-shadow: var(--shadow);
}

.app-header .brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-decoration: none;
  color: white;
}

.app-header nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-header nav a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}

.app-header nav a:hover,
.app-header nav a.active {
  background: rgba(255,255,255,0.15);
  color: white;
}

.user-section {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
}

.user-section a {
  color: rgba(255,255,255,0.7);
  text-decoration: underline;
  font-size: 0.75rem;
}

/* === Main Content === */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  background: var(--color-primary);
  color: white;
}

.btn:hover { background: var(--color-primary-dark); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-sm {
  padding: 4px 10px;
  font-size: 0.8rem;
}

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover { background: var(--color-border); }

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

.btn-danger:hover { background: #b91c1c; }

.btn-delete {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

.btn-delete:hover {
  color: var(--color-danger);
  background: #fef2f2;
}

.btn-remove {
  background: none;
  border: none;
  color: var(--color-danger);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
}

/* === Briefing List === */
.briefing-card {
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 8px;
  overflow: hidden;
  transition: box-shadow 0.15s;
}

.briefing-card:hover { box-shadow: var(--shadow-lg); }

.briefing-card-main {
  flex: 1;
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.briefing-card-date {
  font-weight: 600;
  font-size: 0.95rem;
}

.briefing-card-meta {
  display: flex;
  gap: 6px;
}

/* === Badges === */
.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-event {
  background: #dbeafe;
  color: #1d4ed8;
}

.badge-action {
  background: #fef3c7;
  color: #92400e;
}

/* === Briefing Detail === */
.detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.detail-header .btn {
  flex-shrink: 0;
}

/* Briefing HTML content styling */
.briefing-content h2 {
  color: var(--color-primary);
  font-size: 1.15rem;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 6px;
  margin: 20px 0 10px;
}

.briefing-content h3 {
  color: var(--color-text);
  font-size: 1rem;
  margin: 16px 0 8px;
}

.briefing-content ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.briefing-content li {
  margin-bottom: 4px;
}

.briefing-content .highlight-section {
  background: #fef3c7;
  border-left: 4px solid #f59e0b;
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 20px;
}

.briefing-content .urgency-high {
  color: var(--color-danger);
  font-weight: 700;
}

.briefing-content .urgency-medium {
  color: var(--color-warning);
  font-weight: 600;
}

.briefing-content .child-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

/* === Admin Page === */
.admin-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
}

.admin-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--color-border);
}

.admin-section-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.section-toggle::after {
  content: "\25BC";
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  transition: transform 0.2s;
}

.collapsed .section-toggle::after {
  transform: rotate(-90deg);
}

.admin-section-body {
  padding: 16px;
}

.collapsed .admin-section-body {
  display: none;
}

/* === Forms === */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group small {
  display: block;
  margin-top: 4px;
  color: var(--color-text-secondary);
  font-size: 0.78rem;
}

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

.form-row .form-group {
  flex: 1;
  min-width: 120px;
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

/* === Dynamic rows (teachers, domains) === */
.dynamic-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}

.dynamic-row input {
  flex: 1;
  padding: 6px 10px;
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
}

.dynamic-row input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* === Toggle switch === */
.toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toggle {
  appearance: none;
  width: 44px;
  height: 24px;
  background: #cbd5e1;
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s;
  border: none;
  flex-shrink: 0;
}

.toggle:checked { background: var(--color-success); }

.toggle::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.toggle:checked::after { transform: translateX(20px); }

/* === Status indicator === */
.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-ok { background: var(--color-success); }
.status-warn { background: var(--color-warning); }
.status-error { background: var(--color-danger); }

/* === Child cards === */
.child-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  background: var(--color-bg);
}

.child-card h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.child-meta {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.child-teachers {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.child-card-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* === Debug Dashboard === */
.filters-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
  background: var(--color-surface);
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.filters-bar .form-group {
  margin-bottom: 0;
  flex: 1;
  min-width: 100px;
}

.filters-bar input,
.filters-bar select {
  padding: 6px 10px;
  font-size: 0.85rem;
}

.stats-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  flex: 1;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 16px;
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === Table === */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
}

.data-table td {
  padding: 10px 12px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--color-border);
}

.extraction-row {
  cursor: pointer;
  transition: background 0.1s;
}

.extraction-row:hover { background: var(--color-bg); }

.extraction-detail {
  background: #f8fafc;
}

.detail-content {
  padding: 8px 0;
  font-size: 0.85rem;
}

.detail-content h5 {
  margin: 10px 0 4px;
  font-size: 0.85rem;
  color: var(--color-primary);
}

.detail-content ul {
  padding-left: 18px;
}

.td-truncate {
  max-width: 180px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* === States === */
.hidden { display: none !important; }
.loading { text-align: center; padding: 40px; color: var(--color-text-secondary); }
.error { text-align: center; padding: 40px; color: var(--color-danger); }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* === Toast === */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: white;
  z-index: 1000;
  transition: transform 0.3s ease;
  pointer-events: none;
}

.toast-success { background: var(--color-success); }
.toast-error { background: var(--color-danger); }
.toast-visible { transform: translateX(-50%) translateY(0); }

/* === Responsive === */
@media (max-width: 600px) {
  .briefing-card-main {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .filters-bar {
    flex-direction: column;
  }

  .filters-bar .form-group {
    width: 100%;
  }

  .stats-row {
    flex-direction: row;
    gap: 8px;
  }

  .stat-card {
    padding: 8px 10px;
  }

  .stat-value {
    font-size: 1.2rem;
  }

  .data-table {
    font-size: 0.8rem;
  }

  .data-table th,
  .data-table td {
    padding: 8px 6px;
  }

  .td-truncate {
    max-width: 100px;
  }

  .child-card {
    flex-direction: column;
    gap: 8px;
  }

  .child-card-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .form-row {
    flex-direction: column;
  }

  .dynamic-row {
    flex-wrap: wrap;
  }
}