/* ================================================
   PFLEEGE ZEITARBEIT - IMPROVED STYLES
   Version 2.0 - Optimiert & Strukturiert
   ================================================ */

/* ========== CSS VARIABLEN ========== */
:root {
  /* Primärfarben */
  --color-primary: #3498db;
  --color-primary-dark: #2980b9;
  --color-primary-light: #e3f2fd;
  --color-secondary: #2c3e50;
  --color-secondary-dark: #1a252f;
  
  /* Status-Farben */
  --color-success: #27ae60;
  --color-success-light: #d4edda;
  --color-warning: #f39c12;
  --color-warning-light: #fff3cd;
  --color-danger: #e74c3c;
  --color-danger-light: #f8d7da;
  --color-info: #3498db;
  --color-info-light: #d1e7ff;
  
  /* Grauwerte */
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #ecf0f1;
  --color-gray-300: #ddd;
  --color-gray-400: #bdc3c7;
  --color-gray-500: #95a5a6;
  --color-gray-600: #7f8c8d;
  --color-gray-700: #34495e;
  --color-gray-800: #2c3e50;
  --color-gray-900: #1a252f;
  
  /* Layout */
  --sidebar-width: 260px;
  --header-height: 80px;
  --border-radius: 8px;
  --border-radius-sm: 6px;
  --border-radius-lg: 12px;
  
  /* Spacing */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 20px;
  --spacing-xl: 30px;
  
  /* Schatten */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.15);
  --shadow-xl: 0 10px 40px rgba(0,0,0,0.2);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.3s ease;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 28px;
  --font-size-5xl: 32px;
}

/* ========== RESET & BASE STYLES ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background: var(--color-gray-100);
  color: var(--color-gray-800);
  line-height: 1.6;
  font-size: var(--font-size-base);
  overflow-x: hidden;
}

/* ========== LAYOUT ========== */
.container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ========== SIDEBAR ========== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-secondary);
  color: white;
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: var(--color-secondary-dark);
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--color-gray-600);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}

.logo {
  padding: 25px 20px;
  font-size: var(--font-size-xl);
  font-weight: bold;
  background: var(--color-secondary-dark);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-item {
  padding: 14px 20px;
  cursor: pointer;
  border-left: 4px solid transparent;
  transition: all var(--transition-base);
  font-size: var(--font-size-base);
  user-select: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-item:hover {
  background: rgba(52, 152, 219, 0.15);
  border-left-color: var(--color-primary);
}

.nav-item.active {
  background: rgba(52, 152, 219, 0.25);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

/* ========== MAIN CONTENT ========== */
.main {
  flex: 1;
  overflow: auto;
  display: flex;
  flex-direction: column;
  background: var(--color-gray-100);
}

.header {
  background: white;
  padding: 25px 30px;
  border-bottom: 2px solid var(--color-gray-200);
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 90;
}

.header h1 {
  color: var(--color-secondary);
  font-size: var(--font-size-4xl);
  font-weight: 600;
  margin: 0;
}

.content {
  flex: 1;
  padding: var(--spacing-xl);
  overflow-y: auto;
  overflow-x: hidden;
}

.content::-webkit-scrollbar {
  width: 8px;
}

.content::-webkit-scrollbar-track {
  background: var(--color-gray-200);
}

.content::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: 4px;
}

.content::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}

.section {
  display: none;
  animation: fadeIn 0.3s ease;
}

.section.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== BUTTONS ========== */
.btn {
  padding: 10px 20px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.btn:hover:not(:disabled) {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-success:hover:not(:disabled) {
  background: #229954;
}

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

.btn-warning:hover:not(:disabled) {
  background: #e67e22;
}

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

.btn-danger:hover:not(:disabled) {
  background: #c0392b;
}

.btn-small {
  padding: 6px 12px;
  font-size: var(--font-size-sm);
}

.btn-large {
  padding: 14px 28px;
  font-size: var(--font-size-lg);
}

/* ========== CARDS ========== */
.card {
  background: white;
  border-radius: var(--border-radius);
  padding: 25px;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base);
}

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

.card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary);
  font-size: var(--font-size-xl);
}

/* ========== STATS GRID ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-value {
  font-size: var(--font-size-5xl);
  font-weight: bold;
  color: var(--color-primary);
  margin: 10px 0;
}

.stat-label {
  color: var(--color-gray-600);
  font-size: var(--font-size-base);
  font-weight: 500;
}

/* ========== TABLES ========== */
table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

th, td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

th {
  background: var(--color-gray-700);
  color: white;
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  z-index: 10;
}

tr {
  transition: background-color var(--transition-fast);
}

tr:hover {
  background: var(--color-gray-50);
}

tr:last-child td {
  border-bottom: none;
}

/* ========== BADGES ========== */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-open {
  background: var(--color-warning-light);
  color: #856404;
}

.badge-assigned {
  background: #cfe2ff;
  color: #084298;
}

.badge-active {
  background: #d1e7dd;
  color: #0f5132;
}

.badge-completed {
  background: var(--color-success-light);
  color: #155724;
}

.badge-paid {
  background: var(--color-success-light);
  color: #155724;
}

.badge-unpaid {
  background: var(--color-warning-light);
  color: #856404;
}

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

.badge-teilzeit {
  background: #9b59b6;
  color: white;
}

.badge-minijob {
  background: #e67e22;
  color: white;
}

.badge-inactive {
  background: var(--color-gray-500);
  color: white;
}

.badge-warning {
  background: #e67e22;
  color: white;
}

.badge-anfrage {
  background: #9b59b6;
  color: white;
}

/* ========== FORMS ========== */
.search-box {
  padding: 10px 15px;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-sm);
  width: 300px;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.search-box:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-secondary);
  font-size: var(--font-size-base);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
  background: var(--color-gray-100);
  cursor: not-allowed;
}

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

/* ========== MODALS ========== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  width: 90%;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-gray-200);
}

.modal-header h2 {
  margin: 0;
  color: var(--color-secondary);
  font-size: var(--font-size-3xl);
}

.close-modal {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.close-modal:hover {
  background: var(--color-gray-200);
  color: var(--color-danger);
  transform: rotate(90deg);
}

/* ========== TOAST NOTIFICATIONS ========== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: white;
  padding: 16px 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.3s ease;
  pointer-events: all;
  border-left: 4px solid var(--color-primary);
}

.toast-success {
  border-left-color: var(--color-success);
}

.toast-error {
  border-left-color: var(--color-danger);
}

.toast-warning {
  border-left-color: var(--color-warning);
}

.toast-info {
  border-left-color: var(--color-info);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-secondary);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  color: var(--color-gray-500);
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-700);
}

/* ========== LOADING SPINNER ========== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--color-gray-300);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  position: absolute;
  margin-top: 80px;
  color: var(--color-gray-600);
  font-weight: 600;
}

/* ========== USER INFO & HEADER ========== */
.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-left: auto;
  padding: 8px 15px;
  background: var(--color-gray-50);
  border-radius: 20px;
  border: 1px solid var(--color-gray-300);
}

.logout-btn {
  padding: 6px 12px;
  background: var(--color-danger);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.logout-btn:hover {
  background: #c0392b;
  transform: translateY(-1px);
}

#headerCompanyBadge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  background: var(--color-gray-50);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray-300);
  transition: all var(--transition-base);
}

#headerCompanyBadge:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

/* ========== NOTIFICATIONS ========== */
.notification-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--color-danger);
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: var(--font-size-xs);
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.notification-dropdown {
  position: absolute;
  top: 40px;
  right: 0;
  width: 400px;
  max-width: 90vw;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  max-height: 500px;
  overflow: hidden;
  animation: slideDown 0.3s ease;
  border: 1px solid var(--color-gray-300);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.notification-item {
  padding: 15px;
  border-bottom: 1px solid var(--color-gray-200);
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

.notification-item.unread {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
}

.notification-item.unread:hover {
  background: #d1e7f5;
}

/* ========== LOGIN SCREEN ========== */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: var(--spacing-lg);
}

.login-box {
  background: white;
  padding: 40px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  width: 400px;
  max-width: 100%;
  animation: slideUp 0.5s ease;
}

.login-logo {
  text-align: center;
  font-size: var(--font-size-5xl);
  font-weight: bold;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xl);
}

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

.login-form input,
.login-form select {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.login-form input:focus,
.login-form select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.login-btn {
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.login-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.login-btn:active {
  transform: translateY(0);
}

/* ========== CALENDAR ========== */
.calendar-container {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-gray-200);
}

.calendar-nav {
  display: flex;
  gap: var(--spacing-sm);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--spacing-sm);
}

.calendar-day-header {
  text-align: center;
  font-weight: 600;
  padding: var(--spacing-sm);
  background: var(--color-gray-50);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
}

.calendar-day {
  min-height: 100px;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-sm);
  padding: 8px;
  background: white;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.calendar-day:hover {
  background: var(--color-gray-50);
  border-color: var(--color-primary);
  transform: scale(1.02);
}

.calendar-day.other-month {
  opacity: 0.3;
  pointer-events: none;
}

.calendar-day-number {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-gray-700);
}

.calendar-order {
  font-size: var(--font-size-xs);
  padding: 3px 5px;
  margin: 2px 0;
  border-radius: 3px;
  color: white;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: transform var(--transition-fast);
}

.calendar-order:hover {
  transform: scale(1.05);
}

.calendar-order.offen {
  background: var(--color-warning);
}

.calendar-order.zugewiesen {
  background: var(--color-primary);
}

.calendar-order.aktiv {
  background: var(--color-success);
}

.calendar-order.abgeschlossen {
  background: var(--color-gray-500);
}

/* ========== ASSIGNMENT CARDS ========== */
.assignment-card {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-primary);
  transition: all var(--transition-base);
}

.assignment-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateX(5px);
}

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

.assignment-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-secondary);
}

.assignment-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.detail-item-inline {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
}

.detail-item-inline strong {
  color: var(--color-secondary);
  font-weight: 600;
}

/* ========== TABS ========== */
.tab-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  border-bottom: 2px solid var(--color-gray-200);
}

.tab-btn {
  padding: 12px 20px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
}

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

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

.order-filter-tab.active {
  background: var(--color-primary) !important;
  color: white !important;
}

.order-filter-tab:hover {
  background: var(--color-gray-400) !important;
}

/* ========== RATINGS ========== */
.star {
  cursor: pointer;
  color: var(--color-gray-300);
  transition: color var(--transition-fast);
  font-size: var(--font-size-4xl);
}

.star:hover,
.star.active {
  color: var(--color-warning);
  transform: scale(1.1);
}

/* ========== FILTER BAR ========== */
.filter-bar {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
}

.filter-grid label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-600);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.filter-grid select {
  padding: 8px 12px;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-sm);
  width: 100%;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.filter-grid select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ========== PAYROLL & INVOICE ========== */
.payroll-detail,
.invoice-summary {
  background: var(--color-gray-50);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-sm);
  margin: var(--spacing-md) 0;
  border: 1px solid var(--color-gray-300);
}

.payroll-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md) var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.payroll-item,
.invoice-line {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-gray-300);
}

.payroll-label {
  color: var(--color-gray-600);
  font-size: var(--font-size-base);
}

.payroll-value {
  font-weight: 600;
  color: var(--color-secondary);
}

.payroll-total,
.invoice-total {
  display: flex;
  justify-content: space-between;
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
  border-top: 3px solid var(--color-primary);
  font-size: var(--font-size-xl);
  font-weight: bold;
}

.payroll-total .label {
  color: var(--color-secondary);
}

.payroll-total .value {
  color: var(--color-success);
  font-size: var(--font-size-2xl);
}

/* ========== EMPLOYEE DETAILS ========== */
.employee-detail {
  background: var(--color-gray-50);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  margin-top: var(--spacing-sm);
  border: 1px solid var(--color-gray-300);
}

.employee-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.employee-detail-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-gray-300);
}

.employee-detail-item strong {
  display: block;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: 3px;
}

/* ========== SIDEBAR TOGGLE ========== */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  z-index: 1001;
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.sidebar-toggle:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

.sidebar.collapsed {
  transform: translateX(-100%);
}

/* ========== EXPORT CONTROLS ========== */
.export-controls {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ========== EMPLOYEE DETAIL TABS ========== */
.emp-detail-tab {
  background: none;
  border: none;
  padding: 15px 0;
  color: var(--color-gray-600);
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-base);
  font-size: var(--font-size-base);
}

.emp-detail-tab:hover {
  color: var(--color-primary);
}

.emp-detail-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ========== DOCUMENT MANAGEMENT ========== */
.document-checklist {
  background: var(--color-gray-50);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  margin-top: var(--spacing-md);
  border: 1px solid var(--color-gray-300);
}

.checklist-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--color-gray-300);
  transition: background var(--transition-fast);
}

.checklist-item:hover {
  background: white;
}

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

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

.document-upload {
  background: white;
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-lg);
  text-align: center;
  cursor: pointer;
  margin-top: var(--spacing-sm);
  transition: all var(--transition-base);
}

.document-upload:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.document-list {
  margin-top: var(--spacing-sm);
}

.document-item {
  background: white;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-xs);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--color-gray-300);
  transition: all var(--transition-fast);
}

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

/* ========== SURCHARGE ITEMS ========== */
.surcharge-item {
  background: var(--color-gray-50);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--color-gray-300);
}

.surcharge-item h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
  font-size: var(--font-size-base);
}

.surcharge-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-sm);
}

.surcharge-inputs input {
  padding: 8px;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 100%;
    --spacing-xl: 20px;
    --spacing-lg: 15px;
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 1000;
    transform: translateX(0);
    transition: transform var(--transition-base);
  }
  
  .sidebar.collapsed {
    transform: translateX(-100%);
  }
  
  .main {
    margin-left: 0;
  }
  
  .header {
    padding: 15px 20px;
    flex-direction: column;
    align-items: flex-start !important;
    gap: var(--spacing-sm) !important;
  }
  
  .header h1 {
    font-size: var(--font-size-2xl);
  }
  
  .content {
    padding: var(--spacing-md);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .surcharge-inputs {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .calendar-grid {
    gap: 5px;
  }
  
  .calendar-day {
    min-height: 80px;
    padding: 5px;
  }
  
  .search-box {
    width: 100%;
  }
  
  table {
    font-size: var(--font-size-sm);
  }
  
  th, td {
    padding: 8px;
  }
  
  .modal-content {
    width: 95%;
    padding: var(--spacing-lg);
  }
  
  .filter-grid {
    grid-template-columns: 1fr;
  }
  
  .assignment-details {
    grid-template-columns: 1fr;
  }
  
  .user-info {
    flex-direction: column;
    gap: 5px;
    padding: 10px;
  }
  
  #headerCompanyBadge {
    display: none !important;
  }
  
  .payroll-grid {
    grid-template-columns: 1fr;
  }
  
  .employee-detail-grid {
    grid-template-columns: 1fr;
  }
  
  .tab-buttons {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  
  .toast-container {
    right: 10px;
    left: 10px;
  }
  
  .toast {
    min-width: auto;
    width: 100%;
  }
}

/* ========== PRINT STYLES ========== */
@media print {
  .sidebar,
  .header,
  .btn,
  .modal,
  .toast-container,
  .sidebar-toggle {
    display: none !important;
  }
  
  .main {
    margin: 0;
  }
  
  .content {
    padding: 0;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid var(--color-gray-300);
    page-break-inside: avoid;
  }
}

/* ========== 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-width: 0;
}

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

/* ========== UTILITY CLASSES ========== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.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); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius-lg); }

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

/* Employee Dropdown Menu */
.employee-dropdown a:hover {
    background: #f8f9fa;
}

.employee-dropdown {
    animation: fadeIn 0.2s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Employee Table with Profile Pictures */
#mitarbeiterTable tbody tr {
    height: auto;
    min-height: 65px;
}

#mitarbeiterTable tbody td {
    vertical-align: middle;
    padding: 12px 10px;
}

/* Profile Picture Initials Circle */
.employee-initials {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 16px;
    border: 2px solid #ddd;
    margin-right: 12px;
}

/* AZK Badge Improvements */
.azk-badge {
    background: #27ae60;
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.azk-badge.negative {
    background: #e74c3c;
}

/* Hover effect for table rows */
.hover-row {
    cursor: pointer;
    transition: background 0.2s;
}

.hover-row:hover {
    background: #f8f9fa !important;
}