/* ============================================
   GESTÃO AEC - Design System v2.0
   Clean, Modern, Minimal
   ============================================ */

:root {
  /* Colors */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #e0e7ff;
  
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  --white: #ffffff;
  --black: #000000;
  
  /* Semantic */
  --bg: var(--gray-50);
  --surface: var(--white);
  --border: var(--gray-200);
  --text: var(--gray-800);
  --text-secondary: var(--gray-500);
  --text-muted: var(--gray-400);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition: 150ms ease;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--gray-900);
    --surface: var(--gray-800);
    --border: var(--gray-700);
    --text: var(--gray-100);
    --text-secondary: var(--gray-400);
    --text-muted: var(--gray-500);
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p { color: var(--text-secondary); }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--primary-hover); }

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

/* Grid */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 640px) { .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); } }

/* Spacing */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }

/* Text utilities */
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-center { text-align: center; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--gray-200);
}

.btn-danger {
  background: var(--danger);
  color: var(--white);
}
.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
}

.btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius);
}

/* Form Elements */
.form-group { margin-bottom: 1rem; }

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

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

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-light);
  color: #92400e;
}

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

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

/* Warning background for rows */
.bg-warning-light {
  background: var(--warning-light) !important;
}

/* Info box */
.info-box {
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

/* Header / Navbar */
.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text);
}

.navbar-brand img {
  height: 2rem;
  width: auto;
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.875rem;
}

/* Main Layout */
.app-layout {
  display: flex;
  min-height: calc(100vh - 60px);
}

.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1rem 0;
  flex-shrink: 0;
}

.sidebar-nav {
  list-style: none;
}

.sidebar-item {
  padding: 0.625rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-item:hover {
  background: var(--gray-50);
  color: var(--text);
}

.sidebar-item.active {
  background: var(--primary-light);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 500;
}

.sidebar-item svg {
  width: 1.25rem;
  height: 1.25rem;
}

.main-content {
  flex: 1;
  padding: 1.5rem 2rem;
  overflow-x: hidden;
}

/* Page Header */
.page-header {
  margin-bottom: 1.5rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Announcements */
.announcement {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  border-left: 4px solid var(--primary);
}

.announcement-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.announcement-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
}

.announcement-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.announcement-content {
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.announcement.priority-high {
  border-left-color: var(--danger);
  background: var(--danger-light);
}

.announcement.priority-medium {
  border-left-color: var(--warning);
}

/* Documents List */
.document-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  transition: all var(--transition);
}

.document-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.document-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.document-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.document-name {
  font-weight: 500;
  color: var(--text);
}

.document-meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Schedule Grid */
.schedule-grid {
  display: grid;
  grid-template-columns: 80px repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.schedule-header {
  background: var(--gray-100);
  padding: 0.75rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text);
}

.schedule-time {
  background: var(--gray-50);
  padding: 0.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.schedule-cell {
  background: var(--surface);
  padding: 0.5rem;
  min-height: 60px;
}

.schedule-event {
  background: var(--primary-light);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  font-size: 0.8125rem;
}

.schedule-event-title {
  font-weight: 500;
  color: var(--primary);
}

.schedule-event-info {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.125rem;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state svg {
  width: 4rem;
  height: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.95);
  transition: transform var(--transition);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition);
}

.modal-close:hover {
  color: var(--text);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--gray-50);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--gray-800);
  color: var(--white);
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  transform: translateY(100%);
  opacity: 0;
  transition: all 0.3s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }

/* Loading */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Login Page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--gray-50) 100%);
  padding: 1rem;
}

.login-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
}

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo img {
  height: 3rem;
  width: auto;
}

.login-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.login-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    display: none;
  }

  .main-content {
    padding: 1rem;
  }

  .schedule-grid {
    grid-template-columns: 60px repeat(5, 1fr);
    font-size: 0.75rem;
  }

  .navbar-brand span {
    display: none;
  }
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 0.5rem;
  z-index: 100;
}

@media (max-width: 768px) {
  .mobile-nav {
    display: flex;
    justify-content: space-around;
  }

  .app-layout {
    padding-bottom: 70px;
  }
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  color: var(--text-muted);
  font-size: 0.6875rem;
  cursor: pointer;
  transition: color var(--transition);
}

.mobile-nav-item.active {
  color: var(--primary);
}

.mobile-nav-item svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* Utilities */
.hidden { display: none !important; }
.w-full { width: 100%; }

/* ============================================
   SCHEDULE EDITOR - Visual Timetable Builder
   ============================================ */

.schedule-editor {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.schedule-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--gray-50);
  border-bottom: 1px solid var(--border);
}

.schedule-editor-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.schedule-editor-title h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.schedule-editor-actions {
  display: flex;
  gap: 0.5rem;
}

/* Editable Schedule Grid */
.schedule-grid-editor {
  display: grid;
  grid-template-columns: 80px repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
}

.schedule-grid-editor .schedule-header {
  background: var(--gray-100);
  padding: 0.875rem 0.5rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text);
}

.schedule-grid-editor .schedule-time-slot {
  background: var(--gray-50);
  padding: 0.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px;
}

.schedule-grid-editor .schedule-cell-editor {
  background: var(--surface);
  min-height: 70px;
  position: relative;
  cursor: pointer;
  transition: background var(--transition);
}

.schedule-grid-editor .schedule-cell-editor:hover {
  background: var(--primary-light);
}

.schedule-grid-editor .schedule-cell-editor.has-event {
  cursor: default;
}

.schedule-grid-editor .schedule-cell-editor.has-event:hover {
  background: var(--surface);
}

/* Schedule Event Card */
.schedule-event-card {
  position: absolute;
  inset: 4px;
  border-radius: var(--radius);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.schedule-event-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.schedule-event-card .event-title {
  font-weight: 600;
  font-size: 0.8125rem;
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

.schedule-event-card .event-details {
  font-size: 0.6875rem;
  opacity: 0.9;
  line-height: 1.3;
}

.schedule-event-card .event-delete {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0,0,0,0.2);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.schedule-event-card:hover .event-delete {
  opacity: 1;
}

.schedule-event-card .event-delete:hover {
  background: var(--danger);
}

/* Add Event Button (shown on empty cells) */
.add-event-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  background: transparent;
  border: none;
  cursor: pointer;
}

.schedule-cell-editor:hover .add-event-btn {
  opacity: 1;
}

.add-event-btn svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  opacity: 0.7;
}

/* Color Palette for Events */
.color-palette {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.color-option {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition);
}

.color-option:hover {
  transform: scale(1.1);
}

.color-option.selected {
  border-color: var(--text);
}

/* Schedule Model Card */
.schedule-model-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: all var(--transition);
}

.schedule-model-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.schedule-model-card .model-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.schedule-model-card .model-name {
  font-weight: 600;
  font-size: 1rem;
}

.schedule-model-card .model-id {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: monospace;
}

.schedule-model-card .model-stats {
  display: flex;
  gap: 1rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.schedule-model-card .model-stat {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.schedule-model-card .model-stat svg {
  width: 16px;
  height: 16px;
}

/* User Assignment in Table */
.user-schedule-select {
  padding: 0.375rem 0.625rem;
  font-size: 0.8125rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  min-width: 150px;
}

.user-schedule-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-light);
}

/* Responsive Schedule Editor */
@media (max-width: 768px) {
  .schedule-grid-editor {
    grid-template-columns: 60px repeat(5, 1fr);
    font-size: 0.75rem;
  }

  .schedule-grid-editor .schedule-header {
    padding: 0.5rem 0.25rem;
    font-size: 0.6875rem;
  }

  .schedule-event-card {
    padding: 0.25rem;
  }

  .schedule-event-card .event-title {
    font-size: 0.6875rem;
  }

  .schedule-event-card .event-details {
    display: none;
  }
}

/* ============================================
   SETTINGS LISTS
   ============================================ */

.settings-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 300px;
  overflow-y: auto;
}

.settings-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  border-radius: var(--radius);
  background: var(--gray-50);
  margin-bottom: 0.5rem;
  transition: background var(--transition);
}

.settings-list-item:hover {
  background: var(--gray-100);
}

.settings-list-item span {
  font-size: 0.875rem;
}

.settings-list-item .delete-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.settings-list-item .delete-btn:hover {
  background: var(--danger-light);
  color: var(--danger);
}

/* ============================================
   DRAG AND DROP
   ============================================ */

.schedule-cell-editor.drag-over {
  background: var(--primary-light) !important;
  outline: 2px dashed var(--primary);
}

.schedule-event-card.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}

.schedule-event-card[draggable="true"] {
  cursor: grab;
}

.schedule-event-card[draggable="true"]:active {
  cursor: grabbing;
}

/* Copy indicator */
.schedule-event-card.copied {
  outline: 2px solid var(--success);
}

/* Context menu */
.context-menu {
  position: fixed;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
  min-width: 150px;
  z-index: 1000;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background var(--transition);
}

.context-menu-item:hover {
  background: var(--gray-50);
}

.context-menu-item svg {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
}

/* ============================================
   CLUSTERS, SCHOOLS, TURMAS HIERARCHY
   ============================================ */

.cluster-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  overflow: hidden;
}

.cluster-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--gray-50);
  border-bottom: 1px solid var(--border);
}

.cluster-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cluster-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.cluster-stats {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--gray-100);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
}

.cluster-actions {
  display: flex;
  gap: 0.5rem;
}

.cluster-schools {
  padding: 0.5rem;
}

.school-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

.school-header {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  gap: 1rem;
}

.school-name {
  font-weight: 500;
  flex: 1;
}

.school-turmas {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.school-actions {
  display: flex;
  gap: 0.25rem;
}

.btn-icon {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.btn-icon:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

.btn-icon.text-danger:hover {
  background: var(--danger-light);
  color: var(--danger);
}

.turmas-list {
  padding: 0 1rem 0.75rem 1rem;
  border-top: 1px solid var(--border);
}

.turma-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: var(--gray-50);
  border-radius: var(--radius);
  margin-top: 0.5rem;
  font-size: 0.875rem;
}

/* Flex wrap for buttons */
.flex-wrap {
  flex-wrap: wrap;
}

.turma-actions {
  display: flex;
  gap: 0.25rem;
}

/* Modal Large */
.modal-lg {
  max-width: 600px;
}

/* Students list */
.students-list {
  max-height: 400px;
  overflow-y: auto;
}

.student-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: var(--gray-50);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.student-item:hover {
  background: var(--gray-100);
}