/* © 2026 Torsten Michaely - KFZ Kontakt Dashboard */
/* Premium Professional Redesign v1.0 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@600;700;800&display=swap');

/* ====== PROFESSIONAL DESIGN SYSTEM ====== */
:root {
  /* Color Palette - Professional */
  --color-bg-dark: #0a0e27;
  --color-bg-main: #0f1419;
  --color-bg-secondary: #1a1f2e;
  --color-bg-tertiary: #202735;
  --color-surface: #16192b;
  --color-surface-hover: #1e2441;
  --color-border: #2a3550;
  --color-border-light: #364559;

  /* Primary Colors - Professional Blue/Green */
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-primary-light: #3b82f6;
  --color-primary-accent: #0ea5e9;

  /* Secondary - Professional Green */
  --color-success: #059669;
  --color-success-light: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.1);

  /* Status Colors */
  --color-danger: #dc2626;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;

  /* Text Colors */
  --color-text-primary: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #94a3b8;
  --color-text-muted: #64748b;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Poppins', sans-serif;
  --font-mono: 'Courier New', monospace;

  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
  --font-size-4xl: 32px;

  /* Spacing Grid (4px) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Shadows - Professional */
  --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, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.1);
  --shadow-inset: inset 0 1px 2px 0 rgba(0, 0, 0, 0.1);

  /* Radius - Modern */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

html.light {
  --color-bg-dark: #ffffff;
  --color-bg-main: #f8fafc;
  --color-bg-secondary: #f1f5f9;
  --color-bg-tertiary: #e2e8f0;
  --color-surface: #ffffff;
  --color-surface-hover: #f8fafc;
  --color-border: #e2e8f0;
  --color-border-light: #cbd5e1;
  --color-text-primary: #0f172a;
  --color-text-secondary: #334155;
  --color-text-tertiary: #64748b;
  --color-text-muted: #94a3b8;
}

/* ====== GLOBAL STYLES ====== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 0;
  background: var(--color-bg-main);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow: hidden;
}

/* ====== BODY STRUCTURE ====== */
body {
  display: flex;
  flex-direction: column;
}

/* ====== HEADER ====== */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-1) var(--space-3);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-accent) 100%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header-logo {
  font-size: 28px;
  line-height: 1;
}

.header-title h1 {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: white;
  margin: 0;
}

.header-subtitle {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--space-1);
}

.header-right {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all var(--transition-base);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

/* ====== NAVIGATION ====== */
.nav-centered {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.nav-btn {
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.nav-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

.nav-btn.active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-accent) 100%);
  border-color: var(--color-primary);
  color: white;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

/* ====== DASHBOARD MAIN ====== */
.dashboard {
  display: flex;
  flex: 1;
  overflow: hidden;
  background: var(--color-bg-main);
  min-height: 0;
}

.main-content {
  flex: 1;
  padding: var(--space-2);
  overflow-y: auto;
  width: 100%;
  min-height: 0;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.header h1 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.header-right {
  display: flex;
  gap: var(--space-4);
}

.stats-quick {
  display: flex;
  gap: var(--space-6);
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-display);
}

.stat-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ====== CARDS ====== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.card-title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

/* ====== FORM ELEMENTS ====== */
.form-group {
  margin-bottom: var(--space-1);
}

label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

input, textarea, select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-family: var(--font-sans);
  transition: all var(--transition-base);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
  background: var(--color-surface);
}

/* ====== BUTTONS ====== */
.btn {
  padding: var(--space-2) var(--space-3);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-accent) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

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

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

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

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

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

/* ====== MESSAGES ====== */
.messages-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-3);
}

.message-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: all var(--transition-base);
  position: relative;
}

.message-card.unread {
  background: var(--message-unread-bg, #f0f9ff);
  border-left: 5px solid #10b981 !important;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2) inset;
  font-weight: 600;
}

.message-card.unread::before {
  content: '🔵';
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 10px;
}

.message-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-1);
}

.message-sender {
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: var(--font-size-md);
}

.message-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.message-category {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-1);
  font-weight: 600;
}

.message-text {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-1);
}

/* ====== QR CODES ====== */
.qrcodes-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
  flex: 1;
  overflow-y: auto;
}

.qrcode-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  width: calc(50% - 4px) !important;
  display: inline-block !important;
  vertical-align: top;
  box-sizing: border-box;
}

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

.qrcode-preview {
  width: 100%;
  height: 160px;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-1);
}

.qrcode-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.qrcode-info {
  padding: var(--space-1);
}

.qrcode-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.qrcode-actions {
  display: flex;
  gap: 2px;
  margin-top: 2px;
  flex-wrap: wrap;
}

.qrcode-actions .btn {
  flex: 1;
  padding: 8px 12px;
  font-size: 14px;
  min-width: 60px;
}

/* ====== SETTINGS ====== */
.settings-section {
  max-width: 700px;
  margin: 0 auto;
}

.settings-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-5);
  transition: all var(--transition-base);
}

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

.settings-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.settings-card input[type="text"],
.settings-card input[type="email"],
.settings-card input[type="password"] {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-3);
  transition: all var(--transition-base);
}

.settings-card input[type="text"]:focus,
.settings-card input[type="email"]:focus,
.settings-card input[type="password"]:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-main);
  box-shadow: var(--shadow-focus);
}

.settings-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.settings-helper {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  line-height: 1.4;
}

.settings-input-group {
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
}

.settings-input-group input {
  flex: 1;
}

.settings-input-group .btn {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

/* ====== STATISTICS ====== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
  text-align: center;
}

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

.stat-card-title {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  font-weight: 500;
}

.stat-card-value {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-display);
}

/* ====== MODALS ====== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp var(--transition-base);
}

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

.modal-header {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.modal-buttons {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.modal-buttons .btn {
  flex: 1;
}

/* ====== ALERTS ====== */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.alert-success {
  background: var(--color-success-bg);
  border: 1px solid var(--color-success);
  color: var(--color-success-light);
}

.alert-danger {
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--color-info);
  color: var(--color-info);
}

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .dashboard {
    flex-direction: column;
  }

  .main-content {
    padding: var(--space-4);
  }

  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .nav-centered {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .messages-container,
  .qrcodes-container {
    grid-template-columns: 1fr;
  }

  .modal-content {
    padding: var(--space-6);
  }
}

@media (max-width: 480px) {
  .top-header {
    padding: var(--space-3) var(--space-4);
  }

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

  .nav-centered {
    padding: var(--space-3) var(--space-4);
    gap: var(--space-1);
  }

  .nav-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }

  .main-content {
    padding: var(--space-3);
  }

  .modal-content {
    padding: var(--space-5);
  }

  .card {
    padding: var(--space-4);
  }
}

/* ====== TAB CONTENT ====== */
.tab-content {
  display: none;
  animation: fadeIn var(--transition-base);
}

.tab-content.active {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

/* ====== UTILITY CLASSES ====== */
.hidden {
  display: none !important;
}

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

.flex {
  display: flex;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.mt-4 {
  margin-top: var(--space-4);
}

.mb-4 {
  margin-bottom: var(--space-1);
}

/* ===== ANALYTICS STYLES ===== */
.analytics-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.analytics-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.analytics-section h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.breakdown-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.breakdown-item {
  display: grid;
  grid-template-columns: 120px 1fr 60px;
  gap: var(--space-2);
  align-items: center;
}

.breakdown-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.breakdown-count {
  background: var(--color-primary);
  color: white;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 12px;
}

.breakdown-bar {
  height: 24px;
  background: var(--color-bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.breakdown-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.breakdown-percent {
  text-align: right;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.scans-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.scan-item {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.scan-item:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
}

.scan-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.scan-device {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.scan-country {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.scan-geo {
  font-size: var(--font-size-xs);
  color: var(--color-primary-light);
  font-family: var(--font-mono);
}

.scan-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Dark Mode Support - prefers-color-scheme */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a2e;
    --color-bg-secondary: #16213e;
    --color-surface: #0f3460;
    --color-border: #533483;
    --color-text-primary: #e0e0e0;
    --color-text-muted: #a0a0a0;
    --message-unread-bg: rgba(59, 130, 246, 0.2);
  }

  body {
    background: #1a1a2e;
    color: #e0e0e0;
  }

  .message-card {
    background: #0f3460 !important;
    border-color: #533483 !important;
    color: #e0e0e0 !important;
  }

  .message-card.unread {
    background: rgba(59, 130, 246, 0.2) !important;
    border-left: 5px solid #60a5fa !important;
    box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.2) inset !important;
    color: #e0e0e0 !important;
  }

  .message-sender {
    color: #ffffff !important;
  }

  .message-time {
    color: #b0b0b0 !important;
  }

  .message-preview {
    color: #d0d0d0 !important;
  }

  .message-qr {
    color: #c0c0c0 !important;
  }

  .message-category {
    background: rgba(59, 130, 246, 0.3) !important;
    color: #60a5fa !important;
  }

  .settings-card {
    background: #0f3460 !important;
    border-color: #533483 !important;
    color: #e0e0e0 !important;
  }

  .qr-card {
    background: #0f3460 !important;
    border-color: #533483 !important;
    color: #e0e0e0 !important;
  }

  input, textarea, select {
    background: #16213e !important;
    color: #e0e0e0 !important;
    border-color: #533483 !important;
  }

  input::placeholder, textarea::placeholder {
    color: #808080 !important;
  }

  .tab-content {
    color: #e0e0e0 !important;
  }

  .modal {
    background: rgba(26, 26, 46, 0.95) !important;
  }

  .modal-content {
    background: #0f3460 !important;
    color: #e0e0e0 !important;
  }
}

/* Dark Mode Support - CSS Klasse (JavaScript) */
.dark-mode {
  --color-bg: #1a1a2e;
  --color-bg-secondary: #16213e;
  --color-surface: #0f3460;
  --color-border: #533483;
  --color-text-primary: #e0e0e0;
  --color-text-muted: #a0a0a0;
  --message-unread-bg: rgba(59, 130, 246, 0.2);
}

.dark-mode body {
  background: #1a1a2e !important;
  color: #e0e0e0 !important;
}

.dark-mode .message-card {
  background: #0f3460 !important;
  border-color: #533483 !important;
  color: #e0e0e0 !important;
}

.dark-mode .message-card.unread {
  background: rgba(59, 130, 246, 0.2) !important;
  border-left: 5px solid #60a5fa !important;
  box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.2) inset !important;
  color: #e0e0e0 !important;
}

.dark-mode .message-sender {
  color: #ffffff !important;
}

.dark-mode .message-time {
  color: #b0b0b0 !important;
}

.dark-mode .message-preview {
  color: #d0d0d0 !important;
}

.dark-mode .message-category {
  background: rgba(59, 130, 246, 0.3) !important;
  color: #60a5fa !important;
}