/* CSS Custom Properties für Theme - Basierend auf index.php */
:root {
  --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --bg-card: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-accent: #f0f8ff;
  --bg-light: #f8fafc;
  --text-primary: #333333;
  --text-secondary: #6b7280;
  --text-accent: #3498db;
  --text-light: #64748b;
  --text: #1a1a1a;
  --border: #e5e7eb;
  --border-light: #e2e8f0;
  --border-focus: #3498db;
  --shadow: rgba(0, 0, 0, 0.15);
  --button-bg: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  --button-hover: rgba(52, 152, 219, 0.3);
  --primary: #3498db;
  --accent: #ff6b35;
  --accent-light: #ff8566;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --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);
}

[data-theme="dark"] {
  --bg-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --bg-card: #2d3748;
  --bg-secondary: #4a5568;
  --bg-accent: #2d3748;
  --bg-light: #4a5568;
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --text-accent: #63b3ed;
  --text-light: #a0aec0;
  --text: #ffffff;
  --border: #4a5568;
  --border-light: #4a5568;
  --border-focus: #63b3ed;
  --shadow: rgba(0, 0, 0, 0.3);
  --button-bg: linear-gradient(135deg, #63b3ed 0%, #4299e1 100%);
  --button-hover: rgba(99, 179, 237, 0.3);
  --primary: #63b3ed;
  --accent: #ff6b35;
  --accent-light: #ff8566;
}

/* Reset und Grundlagen */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  min-height: 100vh;
  color: var(--text-primary);
  line-height: 1.6;
  transition: all 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Auth Container - Zentrale Seiten */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: var(--bg-primary);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--button-bg);
}

/* Dashboard Container */
.dashboard-container {
  min-height: 100vh;
  background: var(--bg-secondary);
}

/* Header für Dashboard */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo svg {
  width: 32px;
  height: 32px;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--button-bg);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-tab {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
  font-weight: 500;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: var(--bg-light);
}

.nav-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
  overflow: hidden;
  border: 1px solid var(--border);
}

.card-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.card-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}

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

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--bg-card);
  color: var(--text-primary);
  transition: all 0.2s ease;
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
  transform: translateY(-1px);
}

.form-input:disabled {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-input::placeholder {
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
  font-family: inherit;
  line-height: 1;
}

.btn-primary {
  background: var(--button-bg);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px var(--button-hover);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-accent);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-accent);
  border: 2px solid var(--border);
}

.btn-outline:hover {
  background: var(--bg-accent);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Alerts */
.alert {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.alert svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: #065f46;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

[data-theme="dark"] .alert-success {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: #991b1b;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .alert-error {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .alert-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Tables */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
}

.table th,
.table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.table td {
  color: var(--text-primary);
}

.table tr:hover {
  background: var(--bg-light);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: #065f46;
}

[data-theme="dark"] .badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #92400e;
}

[data-theme="dark"] .badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.badge-error {
  background: rgba(239, 68, 68, 0.1);
  color: #991b1b;
}

[data-theme="dark"] .badge-error {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

/* Loading Animation */
.loading {
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Animations */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tab Content */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
  .auth-card {
    padding: 2rem 1.5rem;
    margin: 0.5rem;
    max-width: none;
  }

  .header-content {
    padding: 0 1rem;
  }

  .logo {
    font-size: 1.125rem;
  }

  .user-menu {
    gap: 0.5rem;
  }

  .user-menu .btn {
    padding: 0.5rem;
    font-size: 0;
  }

  .user-menu .btn svg {
    margin-right: 0;
  }

  .nav-tabs {
    padding: 0 1rem;
    margin-left: -1rem;
    margin-right: -1rem;
  }

  .nav-tab {
    padding: 0.75rem 1rem;
  }

  .card {
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .card-header {
    padding: 1rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .stat-card {
    padding: 1.5rem 1rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .form-group {
    margin-bottom: 1.25rem;
  }

  .btn {
    padding: 1rem 1.5rem;
  }

  .table th,
  .table td {
    padding: 0.75rem 0.5rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .auth-container {
    padding: 0.5rem;
  }

  .auth-card {
    padding: 1.5rem 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .nav-tabs {
    gap: 0;
  }

  .nav-tab {
    flex: 1;
    text-align: center;
    padding: 0.75rem 0.5rem;
    font-size: 0.875rem;
  }

  .nav-tab svg {
    display: none;
  }

  .btn {
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
  }

  .card-header {
    padding: 1rem 0.75rem;
  }

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

  .form-input {
    padding: 0.75rem;
    font-size: 16px; /* Verhindert Zoom auf iOS */
  }
}

/* Landscape Orientation auf Mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .auth-container {
    padding: 1rem;
    align-items: flex-start;
  }

  .auth-card {
    margin-top: 1rem;
    margin-bottom: 1rem;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
  .auth-card {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  }
}

/* Focus Styles für Accessibility */
.btn:focus-visible,
.form-input:focus-visible,
.nav-tab:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print Styles */
@media print {
  .auth-container {
    background: white;
  }

  .auth-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .btn {
    display: none;
  }
}

/* Dark Mode Toggle Button */
.theme-toggle {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1.2rem;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Weitere Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

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

.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

.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-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.rounded { border-radius: var(--radius); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: 9999px; }

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

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection Colors */
::selection {
  background: rgba(52, 152, 219, 0.2);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(52, 152, 219, 0.2);
  color: var(--text-primary);
}

/* Settings Tab Specific Styles */
#settings-content {
  animation: fadeInUp 0.6s ease-out;
}

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

/* Enhanced Form Styles für Settings */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-input, .form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--bg-card);
  color: var(--text-primary);
  transition: all 0.3s ease;
  appearance: none;
}

.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 3rem;
}

[data-theme="dark"] .form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23a0aec0' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
  transform: translateY(-1px);
}

.form-input:hover, .form-select:hover {
  border-color: var(--border-focus);
}

/* Settings Info Box */
.settings-info-box {
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.05) 100%);
  border: 1px solid rgba(52, 152, 219, 0.2);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 2rem;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .settings-info-box {
  background: linear-gradient(135deg, rgba(99, 179, 237, 0.1) 0%, rgba(99, 179, 237, 0.05) 100%);
  border-color: rgba(99, 179, 237, 0.2);
}

.settings-info-box::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}

.settings-info-box h5 {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.settings-info-box ul {
  margin: 0;
  padding-left: 1.5rem;
  color: var(--text);
}

.settings-info-box li {
  margin-bottom: 0.5rem;
  position: relative;
}

.settings-info-box li::marker {
  color: var(--primary);
}

/* Enhanced Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  min-height: 48px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--button-bg);
  color: white;
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

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

/* Success/Error Messages Enhanced */
.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  position: relative;
  animation: slideInDown 0.5s ease-out;
}

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

.alert-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}

.alert-success::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--success);
  border-radius: 0 2px 2px 0;
}

.alert-error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
}

.alert-error::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--error);
  border-radius: 0 2px 2px 0;
}

/* Form Help Text */
.form-help-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: block;
  line-height: 1.4;
  padding-left: 0.25rem;
}

.form-help-text strong {
  color: var(--text-primary);
}

/* Settings Icon Animation */
.settings-icon {
  animation: rotate 2s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.nav-tab[data-tab="settings"]:hover .settings-icon {
  animation-duration: 0.5s;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .settings-info-box {
    padding: 1rem;
  }

  .form-label {
    font-size: 0.9rem;
  }

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

  .alert {
    padding: 0.875rem 1rem;
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
}

/* Focus Improvements für Accessibility */
.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.form-input:focus, .form-select:focus {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

/* Smooth Loading States */
.form-input:disabled, .form-select:disabled, .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn:disabled::before {
  display: none;
}