/* ============================================= */
/* 🎨 INFOPORTAL UNIFIED CSS SYSTEM v1.1       */
/* Optimierte Version - Redundanzen entfernt   */
/* ============================================= */

/* ============================================= */
/* 🎯 CSS CUSTOM PROPERTIES (Design Tokens)    */
/* ============================================= */

:root {
  /* Brand Colors */
  --color-primary: #667eea;
  --color-primary-dark: #5a6fd8;
  --color-primary-light: #8b9df0;
  --color-secondary: #764ba2;
  --color-secondary-dark: #6a4190;
  --color-secondary-light: #8c5cb4;

  /* Status Colors */
  --color-success: #28a745;
  --color-success-light: #d4edda;
  --color-success-dark: #155724;
  --color-warning: #ffc107;
  --color-warning-light: #fff3cd;
  --color-warning-dark: #856404;
  --color-error: #dc3545;
  --color-error-light: #f8d7da;
  --color-error-dark: #721c24;
  --color-info: #17a2b8;
  --color-info-light: #d1ecf1;
  --color-info-dark: #0c5460;

  /* Neutral Colors */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Vertretungsplan-Änderungsfarben */
  --color-substitution-room: #fbbf24;
  --color-substitution-teacher: #3b82f6;
  --color-substitution-canceled: #ef4444;
  --color-substitution-eva: #10b981;
  --color-substitution-moved: #f97316;
  --color-substitution-subject: #8b5cf6;
  --color-substitution-absent: #6b7280;

  /* Spacing System */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 0.75rem;
  --spacing-lg: 1rem;
  --spacing-xl: 1.5rem;
  --spacing-2xl: 2rem;
  --spacing-3xl: 3rem;
  --spacing-4xl: 4rem;

  /* Typography Scale */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Border Radius & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: all 0.15s ease;
  --transition-normal: all 0.3s ease;
  --transition-slow: all 0.5s ease;
}

/* ============================================= */
/* 🔄 GLOBAL RESET & BASE STYLES                */
/* ============================================= */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: 'Segoe UI', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  min-height: 100vh;
  color: var(--color-gray-800);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

/* ============================================= */
/* 📐 LAYOUT SYSTEM                             */
/* ============================================= */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.main-content {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  margin-top: var(--spacing-2xl);
}

.content {
  padding: var(--spacing-2xl);
}

/* ============================================= */
/* 🧭 NAVIGATION SYSTEM                        */
/* ============================================= */

.nav-tabs {
  display: flex;
  background: var(--color-gray-50);
  border-bottom: 2px solid var(--color-gray-200);
  overflow-x: auto;
  scroll-behavior: smooth;
}

.nav-tab {
  flex: 1;
  min-width: max-content;
}

.nav-tab a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-xl);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  transition: var(--transition-fast);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
}

.nav-tab a:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-800);
}

.nav-tab.active a,
.nav-tab a[aria-current="page"] {
  color: var(--color-primary);
  background: white;
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

.nav-tab .icon {
  font-size: var(--font-size-lg);
}

/* Day Navigation für Vertretungsplan */
.day-navigation {
  display: flex;
  gap: var(--spacing-sm);
  background: var(--color-gray-50);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.day-nav-item {
  flex: 1;
  min-width: 100px;
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: center;
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  background: white;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.day-nav-item:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-800);
  border-color: var(--color-gray-300);
  transform: translateY(-1px);
}

.day-nav-item.active {
  color: white;
  background: var(--color-primary);
  border-color: var(--color-primary);
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

/* ============================================= */
/* 👤 HEADER & USER MENU SYSTEM                */
/* ============================================= */

.header {
  color: white;
  margin-bottom: var(--spacing-2xl);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-xl);
}

.header-main {
  flex: 1;
  text-align: center;
}

.header-main h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.header-main p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  font-weight: 400;
}

.page-icon {
  font-size: 1.2em;
  margin-right: var(--spacing-sm);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-shrink: 0;
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: rgba(255,255,255,0.15);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
}

.user-avatar {
  font-size: var(--font-size-2xl);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
}

.user-details {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.user-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 2px;
}

.user-role {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  font-weight: 400;
}

.user-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* ============================================= */
/* 📄 PAGE HEADER COMPONENTS                   */
/* ============================================= */

.page-header,
.header-controls {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-2xl);
  gap: var(--spacing-xl);
}

.page-title-section,
.header-title-section {
  flex: 1;
}

.page-title-section h2,
.header-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-title {
  margin: 0;
}

.page-title-section p,
.header-subtitle {
  color: var(--color-gray-600);
  font-size: var(--font-size-lg);
  line-height: 1.5;
}

.header-subtitle {
  font-size: var(--font-size-base);
  font-weight: 400;
  margin-left: var(--spacing-sm);
  display: block;
  margin-top: var(--spacing-xs);
}

.page-actions,
.header-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

.header-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

/* ============================================= */
/* 🔘 UNIFIED BUTTON SYSTEM                    */
/* ============================================= */

.btn,
.user-action-btn,
.nav-button,
.master-plan-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  min-height: 44px;
  white-space: nowrap;
}

/* Button Variants */
.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-secondary {
  background: var(--color-gray-600);
  color: white;
}

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

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

.btn-warning {
  background: var(--color-warning);
  color: var(--color-gray-800);
}

.btn-outline {
  background: transparent;
  color: var(--color-gray-700);
  border: 2px solid var(--color-gray-300);
}

/* Unified Hover Effects */
.btn:hover,
.user-action-btn:hover,
.nav-button:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover { background: var(--color-primary-dark); color: white; }
.btn-secondary:hover { background: var(--color-gray-700); color: white; }
.btn-success:hover { background: #218838; color: white; }
.btn-danger:hover { background: #c82333; color: white; }
.btn-warning:hover { background: #e0a800; color: var(--color-gray-800); }
.btn-outline:hover { background: var(--color-gray-50); border-color: var(--color-gray-400); }

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: var(--font-size-lg);
  min-height: 52px;
}

/* Special Button Styles */
.user-action-btn {
  background: rgba(255,255,255,0.15);
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}

.user-action-btn:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.5);
  color: white;
}

.logout-btn {
  background: rgba(220, 53, 69, 0.2);
  border-color: rgba(220, 53, 69, 0.4);
}

.logout-btn:hover {
  background: rgba(220, 53, 69, 0.3);
  border-color: rgba(220, 53, 69, 0.6);
}

.nav-button {
  background: linear-gradient(135deg, var(--color-primary) 0%, #4a90e2 100%);
  box-shadow: 0 2px 10px rgba(74, 144, 226, 0.3);
}

.nav-button:hover {
  background: linear-gradient(135deg, #4a90e2 0%, var(--color-primary) 100%);
  box-shadow: 0 4px 20px rgba(74, 144, 226, 0.4);
}

.master-plan-button {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
  padding: 1rem 2rem;
}

.master-plan-button:hover {
  background: linear-gradient(135deg, #5b21b6 0%, #4f46e5 100%) !important;
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.6) !important;
}

/* Button States */
.btn:disabled,
.btn.loading {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.btn-icon {
  font-size: 1.1em;
}

.action-label {
  font-weight: 500;
}

/* ============================================= */
/* 📝 FORM SYSTEM                              */
/* ============================================= */

.form-group {
  margin-bottom: var(--spacing-xl);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}

.form-control,
.nav-select {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: var(--transition-fast);
  background: white;
  color: var(--color-gray-800);
}

.nav-select {
  min-width: 140px;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.form-control:focus,
.nav-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control:disabled {
  background: var(--color-gray-100);
  color: var(--color-gray-500);
  cursor: not-allowed;
}

.form-control.is-invalid {
  border-color: var(--color-error);
}

.invalid-feedback {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: block;
}

/* Search Form */
.search-section {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
}

.search-form,
.search-controls {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--spacing-lg);
  align-items: end;
}

.search-form .form-group,
.search-controls .form-group {
  margin-bottom: 0;
}

/* Form Containers */
.form-container {
  max-width: 600px;
  margin: 0 auto;
}

.form-card {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-200);
}

.form-actions-split {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-200);
}

/* ============================================= */
/* 🚨 ALERT & STATUS SYSTEM                    */
/* ============================================= */

.alert {
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: var(--transition-normal);
}

.alert strong {
  font-weight: 600;
}

.alert-success {
  color: var(--color-success-dark);
  background-color: var(--color-success-light);
  border-color: #c3e6cb;
}

.alert-error {
  color: var(--color-error-dark);
  background-color: var(--color-error-light);
  border-color: #f5c6cb;
}

.alert-warning {
  color: var(--color-warning-dark);
  background-color: var(--color-warning-light);
  border-color: #ffeaa7;
}

.alert-info {
  color: var(--color-info-dark);
  background-color: var(--color-info-light);
  border-color: #bee5eb;
}

/* Status Badges - Unified */
.status-badge,
.tab-badge,
.subject-badge,
.appointment-type-badge,
.code-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
}

.status-badge.success { background: var(--color-success-light); color: var(--color-success-dark); border: 1px solid #c3e6cb; }
.status-badge.error { background: var(--color-error-light); color: var(--color-error-dark); border: 1px solid #f5c6cb; }
.status-badge.warning { background: var(--color-warning-light); color: var(--color-warning-dark); border: 1px solid #ffeaa7; }
.status-badge.info { background: var(--color-info-light); color: var(--color-info-dark); border: 1px solid #bee5eb; }

.code-badge {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  font-family: 'Courier New', monospace;
  font-weight: 600;
}

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

.appointment-type-badge {
  background: var(--color-info-light);
  color: var(--color-info-dark);
  font-size: var(--font-size-xs);
}

.tab-badge {
  background: var(--color-primary-dark);
  color: white;
  font-size: var(--font-size-xs);
}

/* ============================================= */
/* 📊 TABLE SYSTEM                             */
/* ============================================= */

.table-responsive,
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  background: white;
}

.table,
.schedule-table,
.classes-table,
.appointments-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
  background: white;
}

.table thead,
.schedule-table thead,
.classes-table thead,
.appointments-table thead {
  background: var(--color-primary);
  color: white;
}

.table th,
.schedule-table th,
.classes-table th,
.appointments-table th {
  padding: var(--spacing-lg);
  text-align: left;
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  border: 1px solid var(--color-gray-800);
}

.table td,
.schedule-table td,
.classes-table td,
.appointments-table td {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
  vertical-align: middle;
  border: 1px solid var(--color-gray-300);
}

.table tbody tr:hover,
.schedule-table tbody tr:hover,
.classes-table .class-row:hover,
.appointments-table .appointment-row:hover {
  background: var(--color-gray-50);
  transform: translateY(-1px);
  transition: var(--transition-fast);
}

.table tbody tr:last-child td,
.classes-table .class-row:last-child td,
.appointments-table .appointment-row:last-child td {
  border-bottom: none;
}

/* ============================================= */
/* 📅 SCHEDULE & CALENDAR COMPONENTS           */
/* ============================================= */

/* Schedule Navigation */
.schedule-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow-sm);
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.nav-section {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.week-navigation {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.week-display {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  text-align: center;
  min-width: 200px;
}

.week-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.week-kw {
  font-weight: 700;
  font-size: var(--font-size-lg);
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.week-dates {
  font-size: var(--font-size-xs);
  opacity: 0.9;
  font-weight: 500;
}

/* Schedule Entries */
.schedule-entry {
  background: var(--color-info-light);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  min-height: 40px;
  transition: var(--transition-fast);
  cursor: pointer;
  position: relative;
  margin: var(--spacing-xs);
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.1;
  gap: 3px;
}

/* Entry Header - Flex Container für Titel und Löschen-Button */
.entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
}

/* Version Marker - inline nach dem Titel */
.entry-version-inline {
  font-size: 0.75em;
  opacity: 0.6;
  font-weight: 500;
  margin-left: 4px;
}

/* Entry Action Buttons - kompakte Darstellung */
.entry-delete-btn {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(220, 53, 69, 0.7);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  opacity: 0.3; /* Leicht sichtbar statt komplett transparent */
  transition: all 0.2s ease;
  line-height: 1;
}

.entry-delete-btn:hover {
  background: rgba(220, 53, 69, 1);
  transform: scale(1.15);
  opacity: 1;
}

.schedule-entry:hover .entry-delete-btn {
  opacity: 0.7;
}

.schedule-entry:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.schedule-entry div,
.schedule-entry strong {
  line-height: 1.1;
}

.schedule-entry small {
  line-height: 1.1;
  display: block;
}

.schedule-entry.lesson,
.lesson-entry {
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  border-left: 3px solid var(--color-info);
}

.schedule-entry.supervision,
.supervision-entry {
  background: linear-gradient(135deg, var(--color-warning-light) 0%, #ffcc02 100%);
  border-left: 3px solid var(--color-warning);
}

.schedule-entry.standby,
.standby-entry {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
  border-left: 3px solid var(--color-success);
}

.schedule-entry.office_hours,
.office-hours-entry {
  background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
  border-left: 3px solid var(--color-error);
  font-weight: 500;
}

.master-entry {
  border: 2px solid var(--color-primary);
}

/* Holiday Styles */
.schedule-table th.holiday-header {
  background: linear-gradient(135deg, #ffd700 0%, #ffcc02 100%);
  color: var(--color-error-dark);
  animation: holiday-glow 2s ease-in-out infinite alternate;
}

@keyframes holiday-glow {
  from { box-shadow: inset 0 0 10px rgba(255, 204, 2, 0.3); }
  to { box-shadow: inset 0 0 20px rgba(255, 204, 2, 0.6); }
}

.schedule-table td.holiday-cell {
  background: linear-gradient(135deg, #fff8e1 0%, #ffeaa7 100%);
  border-left: 4px solid #ffd700;
  position: relative;
}

.holiday-text {
  color: #e67e22;
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  background: rgba(255, 215, 0, 0.1);
}

/* ===== ABWESENHEITS-ANZEIGE ===== */
.schedule-table td.absent-cell {
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  border-left: 4px solid var(--color-substitution-absent);
  position: relative;
}

.schedule-cell-wrapper.absent-day {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.absence-label {
  background: var(--color-substitution-absent);
  color: white;
  font-weight: 600;
  font-size: var(--font-size-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.schedule-cell-inactive {
  opacity: 0.5;
  pointer-events: none;
  position: relative;
}

.schedule-cell-inactive::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 5px,
    rgba(107, 114, 128, 0.1) 5px,
    rgba(107, 114, 128, 0.1) 10px
  );
  pointer-events: none;
}

.absence-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  color: var(--color-gray-500);
  min-height: 60px;
}

.absence-icon {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.absence-text {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-600);
}

/* Entry Content */
.entry-title {
  font-weight: bold;
  color: var(--color-gray-800);
  font-size: var(--font-size-sm);
  line-height: 1.2;
  flex: 1;
}

.lesson-entry .entry-title {
  color: #1976d2;
}

.supervision-entry .entry-title {
  color: #f57c00;
}

.entry-room,
.entry-notes {
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
  margin-top: 2px;
  line-height: 1.2;
}

.entry-notes {
  font-style: italic;
}

/* Time Slots */
.time-cell {
  font-weight: bold;
  padding: var(--spacing-md);
  text-align: center;
  background: var(--color-gray-50);
  min-width: 120px;
}

.time-slot.supervision,
.supervision-time {
  background: var(--color-warning-light);
}

.time-slot.lunch,
.break-time {
  background: var(--color-warning-light);
}

.lunch-break {
  background: #ffe4b5;
}

.add-entry-btn {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px dashed var(--color-gray-300);
  background: none;
  color: var(--color-gray-500);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.add-entry-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-gray-50);
}

/* ============================================= */
/* 📋 VERTRETUNGSPLAN SYSTEM                   */
/* ============================================= */

.days-overview {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)) !important;
  gap: var(--spacing-xl) !important;
  margin-bottom: var(--spacing-2xl) !important;
}

/* Verstärkte Spezifität für Grid-Layout */
div.days-overview,
.days-overview.days-overview {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)) !important; 
  gap: 1.5rem !important;
  margin-bottom: 2rem !important;
}

.day-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: var(--transition-fast);
}

.day-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.day-card--has-subs {
  border-left: 4px solid var(--color-warning);
}

.day-card--no-subs {
  border-left: 4px solid var(--color-success);
}

.day-card--no-data {
  border-left: 4px solid var(--color-gray-400);
}

.day-card-header {
  padding: var(--spacing-lg);
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
}

.day-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.day-status {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.day-date {
  color: var(--color-primary);
  font-weight: 500;
}

.sub-count {
  color: var(--color-gray-600);
}

.no-data-text {
  color: var(--color-gray-500);
  font-style: italic;
}

.day-card-body {
  padding: var(--spacing-lg);
}

.stand-info {
  margin-bottom: var(--spacing-md);
}

.stand-info small {
  color: var(--color-gray-500);
  font-size: var(--font-size-xs);
}

.quick-info {
  margin-bottom: var(--spacing-md);
}

.info-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-info-light);
  color: var(--color-info-dark);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.subs-preview {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.sub-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.sub-time {
  min-width: 60px;
  font-weight: 600;
  color: var(--color-primary);
}

.sub-class {
  min-width: 50px;
  font-weight: 500;
}

.sub-subject {
  color: var(--color-gray-600);
}

.sub-more {
  text-align: center;
  color: var(--color-gray-500);
  font-style: italic;
  font-size: var(--font-size-xs);
  padding: var(--spacing-sm);
}

.day-card-footer {
  padding: var(--spacing-lg);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  gap: var(--spacing-md);
  justify-content: space-between;
}

.recent-activity {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.recent-activity h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.activity-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-gray-300);
  background: var(--color-gray-50);
}

.activity-item--success {
  border-left-color: var(--color-success);
  background: var(--color-success-light);
}

.activity-item--error {
  border-left-color: var(--color-error);
  background: var(--color-error-light);
}

.activity-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.activity-content strong {
  font-weight: 600;
  color: var(--color-gray-800);
}

.activity-details {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.activity-time {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  white-space: nowrap;
}

.activity-actions {
  text-align: center;
}

.scraper-output {
  background: var(--color-gray-900);
  color: var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.scraper-output h3 {
  color: white;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.output-text {
  background: var(--color-gray-800);
  color: var(--color-gray-100);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.4;
  white-space: pre-wrap;
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: var(--spacing-lg);
}

.error-output {
  background: var(--color-error-light, #fef2f2) !important;
  color: var(--color-error-dark, #7f1d1d) !important;
  border: 1px solid var(--color-error, #dc3545) !important;
}

/* ============================================= */
/* 🏫 CLASSES & TABS SYSTEM                    */
/* ============================================= */

.class-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.class-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid var(--color-gray-300);
  background: white;
  color: var(--color-gray-600);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.class-tab:hover {
  background: var(--color-gray-50);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

.class-tab.active .tab-badge {
  background: rgba(255, 255, 255, 0.2);
}

.section-content {
  display: none;
}

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

/* ============================================= */
/* 📧 MESSAGE & MODAL SYSTEM                   */
/* ============================================= */

.modal,
.message-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: none; /* Standardmäßig versteckt */
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

/* Modal wird nur mit .show Klasse angezeigt */
.modal.show,
.message-modal.show {
  display: flex;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal-content {
  background: white;
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1001;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  position: relative;
}

.modal-header h3 {
  margin: 0;
  padding-right: 50px;
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.modal-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  font-size: var(--font-size-xl);
  cursor: pointer;
  border-radius: var(--radius-sm);
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.modal-body {
  padding: var(--spacing-xl);
}

.modal-footer {
  padding: var(--spacing-xl);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  background: var(--color-gray-50);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.modal-hidden {
  display: none;
}

/* ============================================= */
/* 🧩 COMPONENT UTILITIES                      */
/* ============================================= */

/* Info Box */
.info-box {
  background: var(--color-gray-50);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-200);
}

/* Info Box Row Container - für nebeneinander liegende Info-Boxen */
.info-boxes-row {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.info-boxes-row .info-box {
  flex: 1;
  margin-bottom: 0;
}

/* Responsive: Auf kleinen Bildschirmen untereinander */
@media (max-width: 768px) {
  .info-boxes-row {
    flex-direction: column;
  }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-4xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
}

.empty-state .empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.6;
  display: block;
}

.empty-state h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-md);
}

.empty-state p {
  color: var(--color-gray-600);
  font-size: var(--font-size-lg);
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--font-size-base);
  text-decoration: none;
}

.action-btn-view { background: var(--color-gray-100); color: var(--color-gray-700); }
.action-btn-edit { background: var(--color-warning-light); color: var(--color-warning-dark); }
.action-btn-sync { background: var(--color-success-light); color: var(--color-success-dark); }
.action-btn-delete { background: var(--color-error-light); color: var(--color-error-dark); }

.action-btn:hover {
  transform: translateY(-1px);
}

.action-btn-view:hover { background: var(--color-gray-200); }
.action-btn-edit:hover { background: var(--color-warning); color: white; }
.action-btn-sync:hover { background: var(--color-success); color: white; }
.action-btn-delete:hover { background: var(--color-error); color: white; }

/* Results Info */
.results-info {
  background: var(--color-gray-50);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.results-info em {
  color: var(--color-primary);
  font-style: normal;
  font-weight: 600;
}

/* ============================================= */
/* 🔧 UTILITY CLASSES                          */
/* ============================================= */

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 600; }
.font-semibold { font-weight: 500; }
.font-normal { font-weight: 400; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }
.text-muted { color: var(--color-gray-500); }

/* Background Utilities */
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-success { background-color: var(--color-success); }
.bg-error { background-color: var(--color-error); }
.bg-warning { background-color: var(--color-warning); }
.bg-info { background-color: var(--color-info); }

/* Spacing Utilities */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Visual Utilities */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Display & Layout Utilities */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

.w-full { width: 100%; }
.h-full { height: 100%; }
.flex-1 { flex: 1; }

/* ============================================= */
/* 📱 RESPONSIVE DESIGN                         */
/* ============================================= */

@media (max-width: 768px) {
  .container {
    padding: var(--spacing-sm);
  }

  .header-content {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .header-main h1 {
    font-size: var(--font-size-2xl);
  }

  .user-menu {
    width: 100%;
    justify-content: center;
  }

  .action-label {
    display: none;
  }

  .nav-tabs {
    flex-direction: column;
  }

  .nav-tab a {
    justify-content: flex-start;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .content {
    padding: var(--spacing-lg);
  }

  .search-form,
  .search-controls {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .page-header,
  .header-controls {
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: stretch;
  }
  
  .header-title {
    font-size: var(--font-size-xl);
    text-align: center;
    justify-content: center;
  }
  
  .page-actions,
  .header-actions {
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
  }

  .table th, 
  .table td {
    padding: var(--spacing-sm);
    font-size: var(--font-size-sm);
  }

  .schedule-nav-bar {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .nav-section {
    width: 100%;
    justify-content: center;
  }

  .week-navigation {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .week-display {
    order: -1;
    min-width: 180px;
  }

  .class-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .action-buttons {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-xs);
  }

  .modal-content {
    margin: var(--spacing-md);
    max-width: calc(100vw - 2rem);
  }

  .modal-footer {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .modal-footer .btn {
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .form-actions .btn {
    width: 100%;
  }

  .results-info {
    flex-direction: column;
    text-align: center;
  }

  /* Mobile Vertretungsplan Grid */
  .days-overview {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .day-card-footer {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .day-card-footer .btn {
    width: 100%;
    text-align: center;
  }

  .activity-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .activity-time {
    align-self: flex-end;
  }
}

@media (max-width: 480px) {
  .header-main h1 {
    font-size: var(--font-size-xl);
  }

  .btn {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .user-actions {
    flex-direction: column;
    width: 100%;
  }

  .modal-content {
    margin: var(--spacing-sm);
    max-width: calc(100vw - 1rem);
  }

  .days-overview {
    grid-template-columns: 1fr;
  }

  .day-title {
    font-size: var(--font-size-lg);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  .sub-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}

/* ============================================= */
/* 🎯 ACCESSIBILITY                            */
/* ============================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:focus,
.form-control:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* ============================================= */
/* 🖨️ PRINT STYLES                             */
/* ============================================= */

@media print {
  .header,
  .nav-tabs,
  .btn,
  .user-menu,
  .page-actions,
  .search-section,
  .user-action-btn,
  .action-buttons,
  .scraper-output {
    display: none !important;
  }
  
  .main-content {
    box-shadow: none;
    border: 1px solid #000;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .table {
    box-shadow: none;
    border: 1px solid #000;
  }
  
  .alert {
    border: 1px solid #000;
  }

  .days-overview {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .day-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }
}

/* ============================================= */
/* 📋 VERTRETUNGSPLAN 4-SPALTEN OVERRIDE       */
/* ============================================= */

/* FORCIERTES 4-Spalten Grid Layout für Vertretungsplan */
div.days-overview,
.days-overview.days-overview {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    grid-template-rows: auto !important;
    gap: 1rem !important;
    margin-bottom: 2rem !important;
    width: 100% !important;
    max-width: 100% !important;
}

/* Kompaktere Card-Inhalte für 4-Spalten-Layout */
.days-overview .day-card {
    background: white !important;
    border: 1px solid #e5e7eb !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    transition: all 0.15s ease !important;
}

.days-overview .day-card:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1) !important;
}

.days-overview .day-card--has-subs {
    border-left: 4px solid #ffc107 !important;
}

.days-overview .day-card--no-subs {
    border-left: 4px solid #28a745 !important;
}

.days-overview .day-card--no-data {
    border-left: 4px solid #9ca3af !important;
}

.days-overview .day-title {
    font-size: 1.1rem !important;
    margin-bottom: 0.5rem !important;
}

.days-overview .day-card-body {
    padding: 0.75rem !important;
}

.days-overview .sub-item {
    padding: 0.25rem 0.5rem !important;
    font-size: 0.8rem !important;
}


/* ============================================= */
/* 📋 VERTRETUNGSPLAN DETAILSEITE              */
/* ============================================= */

/* Kompakte Informationsleiste */
.vertretung-info-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  margin-bottom: var(--spacing-2xl);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background: var(--color-gray-50);
  transition: var(--transition-fast);
}

.info-item:hover {
  background: var(--color-gray-100);
  transform: translateY(-1px);
}

.info-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary-dark);
}

.info-content {
  flex: 1;
  min-width: 0;
}

.info-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-xs);
  line-height: 1.2;
}

.info-value--warning {
  color: var(--color-warning-dark);
}

.info-value--success {
  color: var(--color-success-dark);
}

.info-detail {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.3;
}

/* Allgemeine Informationen */
.info-section {
  margin-bottom: var(--spacing-2xl);
}

.general-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

/* Übersicht Sektion */
.overview-section {
  margin-bottom: var(--spacing-2xl);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.overview-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: var(--transition-fast);
}

.overview-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: var(--spacing-lg);
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
}

.card-header--warning {
  background: var(--color-warning-light);
  border-left: 4px solid var(--color-warning);
}

.card-header--error {
  background: var(--color-error-light);
  border-left: 4px solid var(--color-error);
}

.card-header--info {
  background: var(--color-info-light);
  border-left: 4px solid var(--color-info);
}

.card-header h4 {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-gray-800);
}

.card-body {
  padding: var(--spacing-lg);
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* Vertretungen Sektion */
.substitutions-section {
  margin-bottom: var(--spacing-2xl);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.section-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-gray-800);
  margin: 0;
}

.section-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

/* Metadaten Sektion */
.metadata-section {
  margin-bottom: var(--spacing-2xl);
}

.metadata-section h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-lg);
}

.metadata-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.metadata-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
}

.metadata-card--full {
  grid-column: 1 / -1;
}

.metadata-card .card-header {
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--spacing-md) var(--spacing-lg);
}

.metadata-card .card-header h4 {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

.metadata-card .card-body {
  padding: var(--spacing-lg);
}

.url-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.url-display code {
  flex: 1;
  min-width: 200px;
}

/* Badge Verbesserungen */
.status-badge {
  font-size: var(--font-size-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-weight: 500;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}

.code-badge {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-sm);
  font-weight: 600;
  word-break: break-all;
  display: inline-block;
  max-width: 100%;
}

/* Responsive Design für Vertretungsplan Details */
@media (max-width: 768px) {
  .vertretung-info-bar {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .info-item {
    padding: var(--spacing-sm);
  }
  
  .info-icon {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-lg);
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .section-actions {
    width: 100%;
    justify-content: center;
  }
  
  .overview-grid {
    grid-template-columns: 1fr;
  }
  
  .metadata-grid {
    grid-template-columns: 1fr;
  }
  
  .url-display {
    flex-direction: column;
    align-items: stretch;
  }
  
  .url-display .btn {
    align-self: center;
  }
}

@media (max-width: 480px) {
  .vertretung-info-bar {
    padding: var(--spacing-lg);
  }
  
  .badge-list {
    gap: var(--spacing-xs);
  }
  
  .status-badge {
    font-size: var(--font-size-xs);
    padding: 2px var(--spacing-xs);
  }
}


/* ============================================= */
/* 👥 USER VIEWS SPECIFIC COMPONENTS            */
/* ============================================= */

/* User Views Layout */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.info-card, .config-card, .messages-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
}

.info-card-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.info-card .user-avatar {
  font-size: 3rem;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  backdrop-filter: blur(10px);
}

.user-info h3 {
  margin: 0;
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

.user-id {
  background: rgba(255,255,255,0.2);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  display: inline-block;
  font-size: var(--font-size-sm);
  backdrop-filter: blur(10px);
}

.info-card-content, .card-content {
  padding: var(--spacing-xl);
}

/* Statistics Grid */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.stat-item:hover {
  background: var(--color-gray-100);
  transform: translateY(-1px);
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.action-section {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-200);
  text-align: center;
}

/* Configuration Items */
.config-item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  background: var(--color-gray-50);
  transition: var(--transition-fast);
}

.config-item:hover {
  background: white;
  box-shadow: var(--shadow-sm);
}

.config-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.config-name {
  color: var(--color-gray-800);
  font-size: var(--font-size-base);
  font-weight: 500;
}

.config-value {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.config-value code {
  flex: 1;
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-300);
  font-family: 'Courier New', monospace;
  word-break: break-all;
}

/* Form Components for User Editing */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.form-help {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  line-height: 1.4;
}

.config-form-grid {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: var(--spacing-lg);
  align-items: end;
}

.password-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-md);
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-base);
  color: var(--color-gray-500);
  transition: var(--transition-fast);
  padding: var(--spacing-xs);
}

.password-toggle:hover {
  color: var(--color-primary);
}

.config-actions {
  display: flex;
  align-items: end;
}

.config-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.config-note {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-success-light);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-success);
  font-size: var(--font-size-sm);
  color: var(--color-success-dark);
}

/* Table Actions */
.table-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  align-items: center;
}

/* Pagination */
.pagination-info {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-xl);
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

.pagination-controls {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.pagination-controls .btn {
  min-width: 44px;
  height: 36px;
  font-size: var(--font-size-sm);
}

.pagination-controls .btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Messages Components */
.messages-card {
  grid-column: 1 / -1;
  margin-top: var(--spacing-2xl);
}

.message-item {
  border-left: 3px solid var(--color-primary);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.message-subject {
  color: var(--color-gray-800);
  font-weight: 500;
}

.message-date {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

.message-from {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.message-preview {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: 1.5;
}

.more-messages {
  text-align: center;
  color: var(--color-gray-500);
  font-style: italic;
  font-size: var(--font-size-sm);
  padding: var(--spacing-md);
}

/* Alert Actions */
.alert-actions {
  margin-top: var(--spacing-md);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-start;
}

/* Card System */
.card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  margin-bottom: var(--spacing-2xl);
  overflow: hidden;
}

.card-header {
  padding: var(--spacing-xl);
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-gray-800);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

/* Empty State Improvements */
.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.6;
  display: block;
}

/* =====================================================
   Appointments Summary Page Styles
   ===================================================== */

.appointments-summary-page {
  max-width: 1200px;
  margin: 0 auto;
}

/* Statistics Cards Grid */
.appointments-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.stat-card {
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.stat-card--primary::before { background: var(--color-primary); }
.stat-card--success::before { background: var(--color-success); }
.stat-card--warning::before { background: var(--color-warning); }
.stat-card--info::before { background: var(--color-info); }

.stat-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  display: block;
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.stat-label {
  color: var(--color-gray-600);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: var(--font-size-sm);
}

/* Classes Appointments Section */
.classes-appointments-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.class-appointments-card {
  background: white;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.class-appointments-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.class-card-header {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xl);
}

.class-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.class-name {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.class-icon {
  font-size: var(--font-size-2xl);
}

.appointments-count-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Appointments List */
.appointments-list {
  padding: var(--spacing-xl);
}

.appointment-item {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
  transition: background-color 0.2s ease;
}

.appointment-item:last-child {
  border-bottom: none;
}

.appointment-item:hover {
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
}

.appointment-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.appointment-date {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-gray-800);
}

.date-icon, .time-icon {
  font-size: var(--font-size-base);
}

.appointment-time {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-md);
  color: var(--color-gray-600);
  font-weight: 500;
}

.appointment-badges {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.appointment-type-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.appointment-type-badge--klassenarbeit {
  background: var(--color-error);
  color: white;
}

.appointment-type-badge--test {
  background: var(--color-warning);
  color: white;
}

.appointment-type-badge--präsentation,
.appointment-type-badge--projekt {
  background: var(--color-info);
  color: white;
}

.appointment-type-badge--exkursion {
  background: var(--color-success);
  color: white;
}

.subject-badge {
  background: var(--color-gray-200);
  color: var(--color-gray-700);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.appointment-teacher {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.teacher-icon {
  font-size: var(--font-size-base);
}

.appointment-description {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  font-style: italic;
}

.empty-appointments {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  color: var(--color-gray-500);
}

.empty-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

/* Print Styles for Appointments Summary */
@media print {
  .appointments-summary-page .page-actions,
  .appointments-summary-page .btn {
    display: none !important;
  }
  
  .appointments-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .classes-appointments-section {
    grid-template-columns: 1fr;
  }
  
  .class-appointments-card {
    break-inside: avoid;
    margin-bottom: var(--spacing-lg);
  }
}

/* =====================================================
   Login Page Styles
   ===================================================== */

.login-page {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  color: var(--color-gray-800);
}

.login-container {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  width: 100%;
  max-width: 400px;
  margin: var(--spacing-lg);
}

.login-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-3xl) var(--spacing-xl);
  text-align: center;
}

.login-header h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.login-header p {
  opacity: 0.9;
  font-size: var(--font-size-lg);
  font-weight: 500;
}

.login-form {
  padding: var(--spacing-3xl) var(--spacing-xl);
}

.login-form .form-group {
  margin-bottom: var(--spacing-xl);
}

.login-form .form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-gray-800);
  font-size: var(--font-size-base);
}

.login-form .form-control {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-xl);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
  background: var(--color-gray-50);
}

.login-form .form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.login-form .form-control.is-invalid {
  border-color: var(--color-error);
  background: #fef2f2;
}

.login-form .invalid-feedback {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
  display: block;
  font-weight: 500;
}

.btn-login {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border: none;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary-dark) 100%);
}

.btn-login:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.user-hints {
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border-left: 4px solid var(--color-info);
}

.user-hints h4 {
  color: var(--color-gray-800);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.user-hints ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.user-hints li {
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
}

.user-hints li:last-child {
  margin-bottom: 0;
}

.login-footer {
  background: var(--color-gray-50);
  color: var(--color-gray-600);
  text-align: center;
  padding: var(--spacing-lg);
  font-size: var(--font-size-sm);
  border-top: 1px solid var(--color-gray-200);
}

/* Mobile Responsive for Login */
@media (max-width: 480px) {
  .login-container {
    margin: var(--spacing-md);
    max-width: calc(100% - 2rem);
  }
  
  .login-header {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }
  
  .login-header h1 {
    font-size: var(--font-size-2xl);
  }
  
  .login-form {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }
  
  .user-hints {
    padding: var(--spacing-md);
  }
}

/* =====================================================
   Classes With Appointments Page Styles
   ===================================================== */

.controls-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-gray-200);
}

.form-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-gray-50);
  color: var(--color-gray-800);
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Classes Table Overrides for this specific page */
.classes-with-appointments .table {
  background: var(--color-gray-50);
}

.classes-with-appointments .table th {
  background: var(--color-primary);
  color: white;
  font-weight: 600;
}

.stats-compact {
  color: var(--color-success);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Appointments Section */
.appointments-section {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-2xl);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-gray-200);
}

.appointments-section h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.class-tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.class-tab {
  background: var(--color-gray-100);
  border: 2px solid var(--color-gray-200);
  color: var(--color-gray-700);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.class-tab:hover,
.class-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tab-count {
  background: var(--color-success);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.class-tab.active .tab-count {
  background: rgba(255, 255, 255, 0.2);
}

.appointments-content {
  display: none;
  min-height: 200px;
}

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

.appointment-item {
  background: white;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  transition: all 0.3s ease;
}

.appointment-item:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.appointment-date {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
}

.appointment-info {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.appointment-type {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.type-schulaufgabe { 
  background: var(--color-error); 
  color: white; 
}

.type-stegreifaufgabe { 
  background: var(--color-warning); 
  color: var(--color-gray-800); 
}

.type-kurzarbeit { 
  background: var(--color-info); 
  color: white; 
}

.type-test { 
  background: var(--color-gray-600); 
  color: white; 
}

.appointment-teacher {
  background: var(--color-gray-200);
  color: var(--color-gray-700);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.appointment-subject {
  background: var(--color-success);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.appointment-description {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  font-style: italic;
}

.no-appointments {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  color: var(--color-gray-500);
}

.no-appointments p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.no-appointments small {
  color: var(--color-gray-400);
}

.scraper-section {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: var(--color-success);
  background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(32, 201, 151, 0.1) 100%);
  border-radius: var(--radius-md);
  text-align: center;
  border: 2px solid rgba(40, 167, 69, 0.2);
}

.scraper-section h4 {
  color: var(--color-success);
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
}

.btn-scraper {
  background: linear-gradient(135deg, var(--color-success) 0%, #20c997 100%);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-sm);
  margin: var(--spacing-xs);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.btn-scraper:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Mobile Responsive for Classes With Appointments */
@media (max-width: 768px) {
  .controls-section {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .class-tabs {
    justify-content: center;
    gap: var(--spacing-xs);
  }
  
  .class-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  .appointment-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .scraper-section {
    padding: var(--spacing-lg);
  }
  
  .appointment-item {
    padding: var(--spacing-md);
  }
}

/* =====================================================
   Settings Page Styles
   ===================================================== */

.settings-page {
  max-width: 1000px;
  margin: 0 auto;
}

/* Settings Tabs */
.settings-tabs {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.tab-nav {
  display: flex;
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
}

.tab-btn {
  flex: 1;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-gray-600);
  transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
}

.tab-btn:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.tab-btn.active {
  background: white;
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
  padding: var(--spacing-2xl);
}

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

/* Settings Form */
.settings-form {
  margin-bottom: var(--spacing-xl);
}

.settings-section {
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-gray-100);
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
}

.checkbox-container input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

/* Admin Actions */
.admin-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.admin-action-card {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-gray-200);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

.admin-action-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: inherit;
}

.action-icon {
  font-size: var(--font-size-3xl);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.action-content {
  flex: 1;
}

.action-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-xs);
}

.action-description {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

.action-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

/* Form Actions */
.form-actions {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-gray-200);
}

/* Settings Page Mobile Responsive */
@media (max-width: 768px) {
  .tab-nav {
    flex-direction: column;
  }
  
  .tab-btn {
    text-align: center;
  }
  
  .admin-actions {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    flex-direction: column;
  }
}

/* =====================================================
   Status Grid Component Styles
   ===================================================== */

/* Gap variations for the status grid */
.status-grid--gap-sm { gap: var(--spacing-sm); }
.status-grid--gap-md { gap: var(--spacing-md); }
.status-grid--gap-lg { gap: var(--spacing-lg); }
.status-grid--gap-xl { gap: var(--spacing-xl); }
.status-grid--gap-2xl { gap: var(--spacing-2xl); }

/* Clickable status cards */
.status-card--clickable {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

.status-card--clickable:hover {
  text-decoration: none;
  color: inherit;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Status card layout elements */
.status-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.status-title-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.status-icon {
  font-size: var(--font-size-xl);
  line-height: 1;
}

.status-title {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-800);
}

.status-content {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
  color: var(--color-gray-700);
}

.status-slot {
  margin-bottom: var(--spacing-md);
}

.status-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: auto; /* Push to bottom if card has varying content heights */
}

/* Enhanced status variants with left border accents */
.status-card--neutral {
  border-left: 4px solid var(--color-gray-400);
}

.status-card--primary {
  border-left: 4px solid var(--color-primary);
}

.status-card--info {
  border-left: 4px solid var(--color-info);
}

.status-card--success {
  border-left: 4px solid var(--color-success);
}

.status-card--warning {
  border-left: 4px solid var(--color-warning);
}

.status-card--error {
  border-left: 4px solid var(--color-error);
}

/* Badge variants for status badges */
.status-badge--neutral {
  background: var(--color-gray-200);
  color: var(--color-gray-700);
}

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

.status-badge--info {
  background: var(--color-info);
  color: white;
}

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

.status-badge--warning {
  background: var(--color-warning);
  color: var(--color-gray-800);
}

.status-badge--error {
  background: var(--color-error);
  color: white;
}

/* Mobile responsive adjustments for status grid */
@media (max-width: 768px) {
  .status-grid {
    grid-template-columns: 1fr !important;
  }
  
  .status-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .status-actions {
    justify-content: center;
    width: 100%;
  }
  
  .status-title-section {
    width: 100%;
  }
}

/* Responsive Design for User Views */
@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .config-form-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .config-actions {
    justify-content: center;
  }
  
  .config-list {
    grid-template-columns: 1fr;
  }
  
  .message-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .message-date {
    align-self: flex-end;
  }
  
  .table-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .table-actions .btn {
    width: 100%;
  }
  
  .pagination-controls {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }
  
  .alert-actions {
    justify-content: center;
  }
  
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  /* Appointments Summary Mobile */
  .appointments-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  @media (max-width: 480px) {
    .appointments-stats {
      grid-template-columns: 1fr;
    }
  }
  
  .classes-appointments-section {
    grid-template-columns: 1fr;
  }
  
  .class-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .appointment-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .appointment-badges {
    align-self: flex-start;
  }
  
  .stat-card {
    padding: var(--spacing-lg);
  }
  
  .stat-number {
    font-size: var(--font-size-3xl);
  }
}
/* ============================================= */
/* 🎯 STATS CARDS IN DETAIL VIEWS              */
/* ============================================= */

/* Stats Cards Container - Horizontal Layout */
.stats-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

/* Individual Stat Card with Icon + Content */
.stat-card {
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.stat-icon {
  font-size: var(--font-size-4xl);
  line-height: 1;
}

.stat-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.stat-label {
  color: var(--color-gray-600);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: var(--font-size-sm);
}

.stat-value {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

/* ============================================= */
/* 🎯 DETAIL ACTIONS - BUTTON ROW              */
/* ============================================= */

/* Action Buttons Container */
.detail-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--color-gray-200);
}

.action-buttons {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .stats-cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .detail-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .action-buttons {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .action-buttons {
    flex-direction: column;
    width: 100%;
  }

  .action-buttons .btn {
    width: 100%;
  }
}


/* ============================================= */
/* 🎯 VERTRETUNGSPLAN HIGHLIGHTING             */
/* Farbliche Hervorhebung eigener Vertretungen */
/* ============================================= */

/* Eigene Vertretungen/Entfälle hervorheben */
.table tbody tr.highlighted-own {
  background-color: #fff3cd !important;
  border-left: 4px solid var(--color-warning);
  font-weight: 500;
}

.table tbody tr.highlighted-own:hover {
  background-color: #ffe8a1 !important;
}

/* Sanftere Animation beim Laden */
.table tbody tr.highlighted-own {
  animation: highlightFadeIn 0.5s ease-in-out;
}

@keyframes highlightFadeIn {
  from {
    background-color: transparent;
  }
  to {
    background-color: #fff3cd;
  }
}

/* Badge für "Meine Vertretungen" Indikator */
.own-substitution-badge {
  display: inline-block;
  background-color: var(--color-warning);
  color: var(--color-gray-900);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-left: var(--spacing-sm);
}

/* Info-Box für Hervorhebung */
.highlighting-info {
  background-color: var(--color-warning-light);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.highlighting-info .icon {
  font-size: var(--font-size-2xl);
}

.highlighting-info .content {
  flex: 1;
}

.highlighting-info .content strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--color-warning-dark);
}

/* Vertretungsliste im Info-Kasten */
.own-substitutions-list {
  margin-top: var(--spacing-md);
}

.own-substitution-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.own-substitution-item:last-child {
  border-bottom: none;
}

.own-substitution-item strong {
  color: var(--color-gray-900);
  display: inline;
}


/* ========================================
   VERTRETUNGSPLAN INTEGRATION (STUNDENPLAN)
   ======================================== */

/* Basis-Zelle mit Änderung */
.schedule-cell.has-substitution {
  position: relative;
  border-left: 4px solid var(--color-primary);
  transition: all 0.2s ease;
}

/* Änderungs-spezifische Farben (primäre Änderung) */
.schedule-cell.change-type-room_change {
  border-left-color: var(--color-substitution-room);
  background: rgba(251, 191, 36, 0.08);
}

.schedule-cell.change-type-substitute_teacher {
  border-left-color: var(--color-substitution-teacher);
  background: rgba(59, 130, 246, 0.08);
}

.schedule-cell.change-type-canceled {
  border-left-color: var(--color-substitution-canceled);
  background: rgba(239, 68, 68, 0.08);
}

.schedule-cell.change-type-eva {
  border-left-color: var(--color-substitution-eva);
  background: rgba(16, 185, 129, 0.08);
}

.schedule-cell.change-type-moved {
  border-left-color: var(--color-substitution-moved);
  background: rgba(249, 115, 22, 0.08);
}

.schedule-cell.change-type-subject_change {
  border-left-color: var(--color-substitution-subject);
  background: rgba(139, 92, 246, 0.08);
}

/* Änderungs-Indikatoren (Icons oben rechts) */
.substitution-indicators {
  position: absolute;
  top: var(--spacing-xs);
  right: var(--spacing-xs);
  display: flex;
  gap: var(--spacing-xs);
  z-index: 2;
}

.change-indicator {
  font-size: var(--font-size-sm);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: white;
  box-shadow: var(--shadow-sm);
}

/* Alte vs. neue Werte */
.old-value.crossed-out {
  text-decoration: line-through;
  color: var(--color-gray-500);
  margin-right: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.new-value.highlighted {
  font-weight: 600;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

/* Bemerkungen innerhalb der Zelle */
.substitution-notes {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-xs);
}

.change-note {
  padding: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-gray-300);
  background: var(--color-gray-50);
  font-size: var(--font-size-xs);
}

.change-note.change-room_change {
  border-left-color: var(--color-substitution-room);
  background: rgba(251, 191, 36, 0.1);
}

.change-note.change-substitute_teacher {
  border-left-color: var(--color-substitution-teacher);
  background: rgba(59, 130, 246, 0.1);
}

.change-note.change-canceled {
  border-left-color: var(--color-substitution-canceled);
  background: rgba(239, 68, 68, 0.1);
}

.change-note.change-eva {
  border-left-color: var(--color-substitution-eva);
  background: rgba(16, 185, 129, 0.1);
}

.change-note.change-moved {
  border-left-color: var(--color-substitution-moved);
  background: rgba(249, 115, 22, 0.1);
}

.change-note.change-subject_change {
  border-left-color: var(--color-substitution-subject);
  background: rgba(139, 92, 246, 0.1);
}

/* Tooltip bei Hover */
.substitution-tooltip {
  display: none;
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-md);
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  min-width: 250px;
  max-width: 350px;
  font-size: var(--font-size-sm);
}

.schedule-cell.has-substitution:hover .substitution-tooltip {
  display: block;
}

.tooltip-divider {
  margin: var(--spacing-sm) 0;
  border: none;
  border-top: 1px solid var(--color-gray-200);
}

.tooltip-change {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.tooltip-icon {
  font-size: var(--font-size-lg);
}

/* Ganztägige Abwesenheit */
.schedule-day {
  position: relative;
}

.day-absence-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(107, 114, 128, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  border-radius: var(--radius-md);
  backdrop-filter: blur(2px);
}

.absence-message {
  text-align: center;
  color: white;
  padding: var(--spacing-xl);
}

.absence-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.absence-weekday {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin-top: var(--spacing-xs);
}

.schedule-cells.is-absent {
  opacity: 0.5;
  pointer-events: none;
}

/* Cell Content Styles */
.cell-content {
  padding: var(--spacing-xs);
}

.cell-content.modified {
  padding-top: var(--spacing-lg); /* Platz für Icons */
}

.cell-class {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.cell-subject,
.cell-room {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

/* Mobile Optimierung */
@media (max-width: 768px) {
  .substitution-indicators {
    top: 2px;
    right: 2px;
  }
  
  .change-indicator {
    width: 16px;
    height: 16px;
    font-size: var(--font-size-xs);
  }
  
  .substitution-tooltip {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    transform: none;
    margin: 0;
  }
  
  .old-value.crossed-out,
  .new-value.highlighted {
    font-size: 0.7rem;
  }
}

/* Ganztägige Abwesenheit */
.absent-cell {
  background-color: rgba(220, 53, 69, 0.05);
  position: relative;
}

.absence-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, rgba(220, 53, 69, 0.1), rgba(220, 53, 69, 0.05));
  border: 2px dashed var(--color-error);
  border-radius: var(--radius-md);
  min-height: 60px;
}

.absence-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-xs);
  opacity: 0.7;
}

.absence-text {
  font-weight: 600;
  color: var(--color-error);
  text-align: center;
  font-size: var(--font-size-sm);
}

/* ========================================
   GANZTÄGIGE ABWESENHEIT - VERBESSERT
   ======================================== */

/* Wrapper für Stunden mit Abwesenheit */
.schedule-cell-wrapper.absent-day {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

/* Abwesenheits-Label oben */
.absence-label {
  background: linear-gradient(135deg, rgba(220, 53, 69, 0.15), rgba(220, 53, 69, 0.08));
  border: 1px solid var(--color-error);
  border-radius: var(--radius-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-error);
  text-align: center;
}

/* Inaktive Stunde darunter (ausgegraut) */
.schedule-cell-inactive {
  opacity: 0.4;
  pointer-events: none;
  filter: grayscale(0.5);
}

.schedule-cell-inactive .schedule-cell {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-300);
}

/* Platzhalter für leere Stunden an Abwesenheitstag */
.absence-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(220, 53, 69, 0.08), rgba(220, 53, 69, 0.03));
  border: 1px dashed var(--color-error);
  border-radius: var(--radius-md);
  min-height: 80px;
}

.absence-placeholder .absence-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xs);
  opacity: 0.6;
}

.absence-placeholder .absence-text {
  font-weight: 600;
  color: var(--color-error);
  font-size: var(--font-size-sm);
}

/* Mobile Optimierung */
@media (max-width: 768px) {
  .absence-label {
    font-size: 0.7rem;
    padding: 2px 4px;
  }
  
  .absence-placeholder {
    min-height: 60px;
    padding: var(--spacing-sm);
  }
  
  .absence-placeholder .absence-icon {
    font-size: var(--font-size-lg);
  }
  
  /* Day Navigation responsiv */
  .day-navigation {
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
  }
  
  .day-nav-item {
    min-width: 100%;
    padding: var(--spacing-md);
  }
}


/* ============================================= */
/* 🏫 CLASSES PAGE STYLES                       */
/* ============================================= */

/* Upcoming Appointments Section */
.upcoming-appointments-section {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.upcoming-appointments-section .section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-800);
}

.upcoming-appointments-section .section-icon {
  font-size: var(--font-size-xl);
}

.upcoming-appointments-section .section-count {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  font-weight: 400;
  margin-left: var(--spacing-xs);
}

/* Compact Table Styles */
.table-compact {
  font-size: var(--font-size-sm);
}

.table-compact th,
.table-compact td {
  padding: var(--spacing-sm) var(--spacing-md);
}

.table-compact .appointment-row-compact {
  transition: var(--transition-fast);
}

.table-compact .appointment-row-compact:hover {
  background: var(--color-primary-light);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Inline Stats Display */
.stats-info-inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  justify-content: flex-start;
  white-space: nowrap;
}

.stats-info-inline .stat-value {
  font-weight: 600;
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}

.stats-info-inline .stat-value.upcoming {
  color: var(--color-primary);
}

.stats-info-inline .stat-separator {
  color: var(--color-gray-400);
  font-weight: 300;
}

/* Make col-stats wider for better readability */
.table .col-stats {
  min-width: 180px;
  width: 20%;
}

/* Compact class rows */
.table .class-row td {
  padding: var(--spacing-md);
  vertical-align: middle;
}

.table .col-name {
  width: 10%;
  min-width: 80px;
}

.table .col-assignments {
  width: 35%;
}

.table .col-actions {
  width: 15%;
}

/* Badges for better visibility */
.class-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-gray-200);
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

/* Appointment type badges - compact */
.appointment-type-badge {
  display: inline-block;
  padding: 2px 6px;
  background: var(--color-info-light);
  color: var(--color-info-dark);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  white-space: nowrap;
}

/* Description text truncation */
.description-text {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: help;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  .upcoming-appointments-section {
    padding: var(--spacing-lg);
  }
  
  .table-compact {
    font-size: var(--font-size-xs);
  }
  
  .stats-info-inline {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
  
  .stats-info-inline .stat-separator {
    display: none;
  }
  
  .table .col-stats {
    min-width: 100px;
  }
}

/* ===============================================
   EXECUTION HISTORY MODAL STYLES
   =============================================== */

/* Modal XL Size */
.modal-xl {
    max-width: 1200px;
    width: 90%;
}

/* Modal Tabs */
.modal-tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-200);
    padding: 0 var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--color-gray-600);
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
    font-size: var(--font-size-base);
}

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

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: white;
}

.tab-content {
    padding: var(--spacing-xl);
    display: none;
}

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

/* Error Row Highlighting */
.error-row {
    background-color: rgba(220, 53, 69, 0.05);
}

.error-row:hover {
    background-color: rgba(220, 53, 69, 0.1);
}

/* Status Badges für Execution Types */
.status-badge.scheduled {
    background-color: var(--color-info);
    color: white;
}

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

.status-badge.cli {
    background-color: var(--color-gray-600);
    color: white;
}

.status-badge.running {
    background-color: var(--color-warning);
    color: var(--color-gray-900);
    animation: pulse 2s infinite;
}

.status-badge.timeout {
    background-color: var(--color-warning);
    color: var(--color-gray-900);
}

.status-badge.killed {
    background-color: var(--color-gray-700);
    color: white;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--color-gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: bold;
    color: var(--color-primary);
    margin: 0;
}

.stat-value-error {
    color: var(--color-error);
}

.stat-card-wide {
    grid-column: span 2;
}

/* Error Card */
.error-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-error);
    border-left: 4px solid var(--color-error);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.error-card:hover {
    box-shadow: var(--shadow-md);
}

.error-card h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-error);
}

.error-card p {
    margin: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.error-card .code-badge {
    background: var(--color-error);
    color: white;
}

/* Table Container für Modal */
.table-container {
    max-height: 500px;
    overflow-y: auto;
    margin-top: var(--spacing-lg);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
}

/* Pagination Container */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    font-size: var(--font-size-lg);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state .empty-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.empty-state h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-gray-700);
}

.empty-state p {
    margin: 0;
    color: var(--color-gray-500);
}

/* Responsive Design für Execution History Modal */
@media (max-width: 768px) {
    .modal-xl {
        width: 95%;
        max-width: none;
    }
    
    .modal-tabs {
        flex-direction: column;
        gap: 0;
    }
    
    .tab-btn {
        border-bottom: none;
        border-left: 3px solid transparent;
        text-align: left;
    }
    
    .tab-btn.active {
        border-left-color: var(--color-primary);
        border-bottom-color: transparent;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card-wide {
        grid-column: span 1;
    }
    
    /* Tabelle horizontal scrollbar für Mobile */
    .table-container {
        overflow-x: auto;
    }
    
    .search-form {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tab-content {
        padding: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-lg);
    }
    
    .stat-value {
        font-size: var(--font-size-2xl);
    }
    
    .error-card {
        padding: var(--spacing-md);
    }
}

/* --- Refactored from vertretungsstunden/index.blade.php --- */

/* Month Navigation */
.month-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
}

.current-month {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-700);
}

/* Stats Summary */
.stats-summary {
    margin-bottom: var(--spacing-2xl);
}

.stats-summary h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-700);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-gray-200);
    text-align: center;
}

.stat-card.stat-success {
    border-color: var(--color-success);
    background: rgba(40, 167, 69, 0.05);
}

.stat-card.stat-error {
    border-color: var(--color-error);
    background: rgba(220, 53, 69, 0.05);
}

.stat-card.stat-info {
    border-color: var(--color-info);
    background: rgba(23, 162, 184, 0.05);
}

.stat-card.stat-total {
    border-color: var(--color-primary);
    background: rgba(102, 126, 234, 0.05);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-800);
}

.stat-value.total {
    color: var(--color-primary);
}

.stat-note {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

/* Hours List */
.hours-list {
    margin-top: var(--spacing-2xl);
}

.hours-list > h3 {
    margin-bottom: var(--spacing-xl);
    color: var(--color-gray-700);
}

.hours-section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.section-title.success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
    border-left: 4px solid var(--color-success);
}

.section-title.error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--color-error);
    border-left: 4px solid var(--color-error);
}

.section-title.info {
    background: rgba(23, 162, 184, 0.1);
    color: var(--color-info);
    border-left: 4px solid var(--color-info);
}

.text-muted {
    color: var(--color-gray-400);
}

/* Responsive */
@media (max-width: 768px) {
    .month-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    /* table override if needed, though .table is global */
    /* .table { font-size: var(--font-size-sm); } */
}

/* --- Refactored from users/edit.blade.php --- */
.input-uppercase {
    text-transform: uppercase;
}

/* --- Refactored from profile/edit.blade.php --- */

.profile-container {
    max-width: 600px;
}

.spacing-mb-lg {
    margin-bottom: var(--spacing-lg);
}

.profile-divider {
    margin: var(--spacing-2xl) 0;
    border: none;
    border-top: 1px solid var(--color-gray-200);
}

.permissions-box {
    background: var(--color-gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
}

.permissions-text {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.permission-item {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: white;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-gray-200);
}

.no-permissions {
    color: var(--color-gray-500);
}

/* --- Refactored from admin/users/index.blade.php (Modal) --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-gray-500);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--color-gray-900);
}

/* --- Refactored from classes/index.blade.php --- */
.table-compact th.col-date { width: 12%; }
.table-compact th.col-class { width: 12%; }
.table-compact th.col-type { width: 14%; }
.table-compact th.col-subject { width: 15%; }
.table-compact th.col-description { width: 47%; }

/* --- Refactored from settings/index.blade.php --- */
.settings-divider {
    margin: var(--spacing-2xl) 0;
    border: none;
    border-top: 1px solid var(--color-gray-200);
}

/* --- Refactored from messages/index.blade.php --- */
.bulk-actions-alert {
    display: none;
}

/* --- Refactored from cronjobs/unified.blade.php --- */
.cron-table { table-layout: fixed; }
.cron-table .col-command { width: 35%; }
.cron-table .col-cron { width: 12%; }
.cron-table .col-next { width: 16%; }
.cron-table .col-actions { width: 20%; text-align: right; }

.break-word {
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    max-width: 0;
}

.cron-count-label {
    color: var(--color-gray-500);
    font-size: var(--font-size-xs);
}

.cron-summary {
    cursor: pointer;
    color: var(--color-primary);
}

.cron-badge-list {
    margin-top: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: 4px;
}