/* BikeRave Design System
   A platform for cycling + music enthusiasts to meet online, get offline
   ============================================================ */

/* CSS Variables - Core Design Tokens */
:root {
  /* Brand Colors */
  --br-orange: #FF6B35;
  --br-orange-hover: #E85A2A;
  --br-orange-light: #FFF7ED;
  --br-orange-glow: rgba(255, 107, 53, 0.2);

  /* Accent Colors */
  --br-purple: #8B5CF6;
  --br-purple-light: #EDE9FE;
  --br-teal: #14B8A6;
  --br-teal-light: #CCFBF1;

  /* Neutrals - Light Mode */
  --br-white: #FFFFFF;
  --br-gray-50: #F9FAFB;
  --br-gray-100: #F3F4F6;
  --br-gray-200: #E5E7EB;
  --br-gray-300: #D1D5DB;
  --br-gray-400: #9CA3AF;
  --br-gray-500: #6B7280;
  --br-gray-600: #4B5563;
  --br-gray-700: #374151;
  --br-gray-800: #1F2937;
  --br-gray-900: #111827;
  --br-black: #030712;

  /* Semantic Colors */
  --br-success: #10B981;
  --br-success-light: #D1FAE5;
  --br-warning: #F59E0B;
  --br-warning-light: #FEF3C7;
  --br-error: #EF4444;
  --br-error-light: #FEE2E2;
  --br-info: #3B82F6;
  --br-info-light: #DBEAFE;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 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);
  --shadow-glow: 0 0 20px var(--br-orange-glow);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Layout */
  --max-width-sm: 640px;
  --max-width-md: 768px;
  --max-width-lg: 1024px;
  --max-width-xl: 1280px;
  --max-width-2xl: 1536px;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 1000;
  --z-toast: 1100;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--br-gray-900);
  background: var(--br-gray-50);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--br-gray-900);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p { margin-bottom: var(--space-4); }

a {
  color: var(--br-orange);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--br-orange-hover);
}

/* Container */
.br-container {
  width: 100%;
  max-width: var(--max-width-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.br-container--narrow {
  max-width: var(--max-width-md);
}

.br-container--wide {
  max-width: var(--max-width-2xl);
}

/* Card Component */
.br-card {
  background: var(--br-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--br-gray-100);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

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

.br-card__header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--br-gray-100);
}

.br-card__body {
  padding: var(--space-6);
}

.br-card__footer {
  padding: var(--space-4) var(--space-6);
  background: var(--br-gray-50);
  border-top: 1px solid var(--br-gray-100);
}

/* Button Component */
.br-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.br-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.br-btn--primary:hover:not(:disabled) {
  background: var(--br-orange-hover);
  box-shadow: var(--shadow-glow);
}

/* Secondary Button */
.br-btn--secondary {
  background: var(--br-gray-100);
  color: var(--br-gray-700);
}

.br-btn--secondary:hover:not(:disabled) {
  background: var(--br-gray-200);
}

/* Outline Button */
.br-btn--outline {
  background: transparent;
  color: var(--br-orange);
  border: 2px solid var(--br-orange);
}

.br-btn--outline:hover:not(:disabled) {
  background: var(--br-orange-light);
}

/* Ghost Button */
.br-btn--ghost {
  background: transparent;
  color: var(--br-gray-600);
}

.br-btn--ghost:hover:not(:disabled) {
  background: var(--br-gray-100);
  color: var(--br-gray-900);
}

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

.br-btn--danger:hover:not(:disabled) {
  background: var(--br-error-dark, #dc2626);
}

/* Button Sizes */
.br-btn--sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.br-btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
}

.br-btn--xl {
  padding: var(--space-5) var(--space-8);
  font-size: var(--text-lg);
}

/* Icon Button */
.br-btn--icon {
  padding: var(--space-3);
}

/* Form Elements */
.br-form-group {
  margin-bottom: var(--space-5);
}

.br-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--br-gray-700);
  margin-bottom: var(--space-2);
}

.br-label--required::after {
  content: '*';
  color: var(--br-error);
  margin-left: var(--space-1);
}

.br-input,
.br-select,
.br-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--br-gray-900);
  background: var(--br-white);
  border: 1px solid var(--br-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.br-input:focus,
.br-select:focus,
.br-textarea:focus {
  outline: none;
  border-color: var(--br-orange);
  box-shadow: 0 0 0 3px var(--br-orange-glow);
}

.br-input::placeholder,
.br-textarea::placeholder {
  color: var(--br-gray-400);
}

.br-input--error {
  border-color: var(--br-error);
}

.br-input--error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.br-textarea {
  min-height: 120px;
  resize: vertical;
}

.br-help-text {
  font-size: var(--text-sm);
  color: var(--br-gray-500);
  margin-top: var(--space-1);
}

.br-error-text {
  font-size: var(--text-sm);
  color: var(--br-error);
  margin-top: var(--space-1);
}

/* Badge Component */
.br-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

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

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

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

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

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

.br-badge--gray {
  background: var(--br-gray-100);
  color: var(--br-gray-600);
}

/* Avatar Component */
.br-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--br-gray-200);
  color: var(--br-gray-600);
  font-weight: 600;
}

.br-avatar--sm { width: 32px; height: 32px; font-size: var(--text-xs); }
.br-avatar--md { width: 40px; height: 40px; font-size: var(--text-sm); }
.br-avatar--lg { width: 56px; height: 56px; font-size: var(--text-lg); }
.br-avatar--xl { width: 80px; height: 80px; font-size: var(--text-2xl); }

.br-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Progress Steps */
.br-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: var(--space-8);
}

.br-steps::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--br-gray-200);
}

.br-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  position: relative;
  flex: 1;
}

.br-step__indicator {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--br-white);
  border: 2px solid var(--br-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--br-gray-400);
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
}

.br-step__label {
  font-size: var(--text-sm);
  color: var(--br-gray-500);
  text-align: center;
  transition: color var(--transition-base);
}

/* Step States */
.br-step--active .br-step__indicator {
  border-color: var(--br-orange);
  background: var(--br-orange);
  color: var(--br-white);
}

.br-step--active .br-step__label {
  color: var(--br-orange);
  font-weight: 600;
}

.br-step--completed .br-step__indicator {
  border-color: var(--br-success);
  background: var(--br-success);
  color: var(--br-white);
}

.br-step--completed .br-step__label {
  color: var(--br-gray-700);
}

/* Modal */
.br-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.br-modal {
  background: var(--br-white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.95);
  transition: transform var(--transition-base);
}

.br-modal-overlay--visible .br-modal {
  transform: translateY(0) scale(1);
}

.br-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--br-gray-100);
}

.br-modal__title {
  font-size: var(--text-xl);
  font-weight: 700;
}

.br-modal__close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  border: none;
  background: var(--br-gray-100);
  color: var(--br-gray-600);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
}

.br-modal__close:hover {
  background: var(--br-gray-200);
  color: var(--br-gray-900);
}

.br-modal__body {
  padding: var(--space-6);
}

.br-modal__footer {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  padding: var(--space-4) var(--space-6);
  background: var(--br-gray-50);
  border-top: 1px solid var(--br-gray-100);
}

/* Toast/Alert */
.br-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
}

.br-toast--success {
  background: var(--br-success-light);
  border-color: var(--br-success);
}

.br-toast--warning {
  background: var(--br-warning-light);
  border-color: var(--br-warning);
}

.br-toast--error {
  background: var(--br-error-light);
  border-color: var(--br-error);
}

.br-toast--info {
  background: var(--br-info-light);
  border-color: var(--br-info);
}

/* Tag/Chip Input */
.br-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--br-gray-100);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--br-gray-700);
}

.br-tag--orange {
  background: var(--br-orange-light);
  color: var(--br-orange);
}

.br-tag__remove {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.br-tag__remove:hover {
  opacity: 1;
}

/* Empty State */
.br-empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.br-empty-state__icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
}

.br-empty-state__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--br-gray-700);
  margin-bottom: var(--space-2);
}

.br-empty-state__text {
  color: var(--br-gray-500);
  margin-bottom: var(--space-6);
}

/* Loading Spinner */
.br-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--br-gray-200);
  border-top-color: var(--br-orange);
  border-radius: var(--radius-full);
  animation: br-spin 0.8s linear infinite;
}

.br-spinner--sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.br-spinner--lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

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

/* Skeleton Loading */
.br-skeleton {
  background: linear-gradient(90deg, var(--br-gray-100) 25%, var(--br-gray-200) 50%, var(--br-gray-100) 75%);
  background-size: 200% 100%;
  animation: br-shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes br-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

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

.br-flex { display: flex; }
.br-flex-col { flex-direction: column; }
.br-items-center { align-items: center; }
.br-justify-center { justify-content: center; }
.br-justify-between { justify-content: space-between; }
.br-gap-2 { gap: var(--space-2); }
.br-gap-4 { gap: var(--space-4); }
.br-gap-6 { gap: var(--space-6); }

.br-grid { display: grid; }
.br-grid-2 { grid-template-columns: repeat(2, 1fr); }
.br-grid-3 { grid-template-columns: repeat(3, 1fr); }
.br-grid-4 { grid-template-columns: repeat(4, 1fr); }

.br-hidden { display: none; }
.br-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .br-grid-2,
  .br-grid-3,
  .br-grid-4 {
    grid-template-columns: 1fr;
  }

  .br-steps {
    flex-direction: column;
    gap: var(--space-4);
  }

  .br-steps::before {
    display: none;
  }

  .br-step {
    flex-direction: row;
    justify-content: flex-start;
    gap: var(--space-3);
  }
}

/* ============================================================
   DARK MODE
   Supports both system preference and manual toggle
   ============================================================ */

/* Dark Mode Variables */
[data-theme="dark"],
.br-dark {
  /* Background colors inverted */
  --br-white: #111827;
  --br-gray-50: #1F2937;
  --br-gray-100: #374151;
  --br-gray-200: #4B5563;
  --br-gray-300: #6B7280;
  --br-gray-400: #9CA3AF;
  --br-gray-500: #D1D5DB;
  --br-gray-600: #E5E7EB;
  --br-gray-700: #F3F4F6;
  --br-gray-800: #F9FAFB;
  --br-gray-900: #FFFFFF;
  --br-black: #FFFFFF;

  /* Adjust brand colors for dark mode */
  --br-orange-light: rgba(255, 107, 53, 0.15);
  --br-orange-glow: rgba(255, 107, 53, 0.3);
  --br-purple-light: rgba(139, 92, 246, 0.15);
  --br-teal-light: rgba(20, 184, 166, 0.15);

  /* Semantic colors - darker backgrounds */
  --br-success-light: rgba(16, 185, 129, 0.15);
  --br-warning-light: rgba(245, 158, 11, 0.15);
  --br-error-light: rgba(239, 68, 68, 0.15);
  --br-info-light: rgba(59, 130, 246, 0.15);

  /* Shadows for dark mode */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

/* Auto dark mode from system preference */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --br-white: #111827;
    --br-gray-50: #1F2937;
    --br-gray-100: #374151;
    --br-gray-200: #4B5563;
    --br-gray-300: #6B7280;
    --br-gray-400: #9CA3AF;
    --br-gray-500: #D1D5DB;
    --br-gray-600: #E5E7EB;
    --br-gray-700: #F3F4F6;
    --br-gray-800: #F9FAFB;
    --br-gray-900: #FFFFFF;
    --br-black: #FFFFFF;

    --br-orange-light: rgba(255, 107, 53, 0.15);
    --br-orange-glow: rgba(255, 107, 53, 0.3);
    --br-purple-light: rgba(139, 92, 246, 0.15);
    --br-teal-light: rgba(20, 184, 166, 0.15);

    --br-success-light: rgba(16, 185, 129, 0.15);
    --br-warning-light: rgba(245, 158, 11, 0.15);
    --br-error-light: rgba(239, 68, 68, 0.15);
    --br-info-light: rgba(59, 130, 246, 0.15);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  }
}

/* Theme Toggle Button */
.br-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--br-gray-200);
  background: var(--br-white);
  color: var(--br-gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.br-theme-toggle:hover {
  background: var(--br-gray-100);
  color: var(--br-gray-900);
}

.br-theme-toggle__icon--light,
.br-theme-toggle__icon--dark {
  width: 20px;
  height: 20px;
}

/* Show/hide icons based on theme */
[data-theme="dark"] .br-theme-toggle__icon--dark,
.br-theme-toggle__icon--light {
  display: block;
}

[data-theme="dark"] .br-theme-toggle__icon--light,
.br-theme-toggle__icon--dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .br-theme-toggle__icon--dark {
    display: block;
  }
  :root:not([data-theme="light"]) .br-theme-toggle__icon--light {
    display: none;
  }
}

/* ============================================================
   ACCESSIBILITY
   Focus states, reduced motion, high contrast
   ============================================================ */

/* Visible Focus States */
:focus-visible {
  outline: 2px solid var(--br-orange);
  outline-offset: 2px;
}

.br-btn:focus-visible,
.br-input:focus-visible,
.br-select:focus-visible,
.br-textarea:focus-visible {
  outline: 2px solid var(--br-orange);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--br-orange-glow);
}

/* Skip Link */
.br-skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: calc(var(--z-modal) + 1);
  padding: var(--space-3) var(--space-4);
  background: var(--br-orange);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.br-skip-link:focus {
  top: var(--space-4);
}

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

  .br-spinner {
    animation: none;
  }

  .br-skeleton {
    animation: none;
    background: var(--br-gray-200);
  }
}

/* High Contrast Mode Enhancements */
@media (forced-colors: active) {
  .br-btn {
    border: 2px solid currentColor;
  }

  .br-card {
    border: 2px solid currentColor;
  }

  .br-input,
  .br-select,
  .br-textarea {
    border: 2px solid currentColor;
  }

  .br-badge {
    border: 1px solid currentColor;
  }
}

/* Focus Within for form groups */
.br-form-group:focus-within .br-label {
  color: var(--br-orange);
}

/* Interactive elements touch target minimum (44x44) */
@media (pointer: coarse) {
  .br-btn,
  .br-theme-toggle,
  .br-modal__close,
  .br-tag__remove {
    min-height: 44px;
    min-width: 44px;
  }

  .br-btn--sm {
    min-height: 44px;
    padding: var(--space-2) var(--space-4);
  }
}

/* Landmark Roles - Visual Indicators for Dev */
[role="main"],
[role="navigation"],
[role="banner"],
[role="contentinfo"] {
  /* These are semantic markers, no visual change by default */
}

/* Live Region Styles */
.br-live-region {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Visible live region for important announcements */
.br-announcement {
  position: fixed;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-3) var(--space-6);
  background: var(--br-gray-900);
  color: var(--br-white);
  border-radius: var(--radius-lg);
  font-weight: 500;
  z-index: var(--z-toast);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.br-announcement--visible {
  opacity: 1;
  visibility: visible;
}

/* ============================================================
   NAVIGATION - Consistent across all pages
   Non-prefixed classes for backwards compatibility
   ============================================================ */

/* Non-prefixed nav classes used by pages */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--br-white);
  border-bottom: 1px solid var(--br-gray-100);
  padding: var(--space-3) var(--space-4);
}

.nav__inner {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__container {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--br-gray-900);
}

.nav__logo:hover {
  color: var(--br-orange);
}

.nav__logo-icon {
  font-size: 1.5rem;
}

.nav__logo-text {
  background: linear-gradient(135deg, var(--br-orange), #F7931E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav__link {
  color: var(--br-gray-600);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--br-orange);
}

.nav__link--active {
  color: var(--br-orange);
}

.nav__link--cta {
  background: var(--br-orange);
  color: white !important;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
}

.nav__link--cta:hover {
  background: var(--br-orange-hover);
}

.nav__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

@media (max-width: 640px) {
  .nav__links {
    display: none;
  }
}

/* Prefixed nav classes (design system standard) */
.br-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--br-white);
  border-bottom: 1px solid var(--br-gray-100);
  padding: var(--space-3) 0;
}

.br-nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.br-nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--br-gray-900);
  text-decoration: none;
}

.br-nav__brand:hover {
  color: var(--br-orange);
}

.br-nav__brand-icon {
  width: 32px;
  height: 32px;
}

.br-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.br-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: var(--br-gray-600);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.br-nav__link:hover {
  background: var(--br-gray-100);
  color: var(--br-gray-900);
}

.br-nav__link--active {
  background: var(--br-orange-light);
  color: var(--br-orange);
}

.br-nav__link--active:hover {
  background: var(--br-orange-light);
  color: var(--br-orange-hover);
}

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

/* Mobile Navigation */
.br-nav__menu-btn {
  display: none;
  padding: var(--space-2);
  background: none;
  border: none;
  color: var(--br-gray-600);
  cursor: pointer;
}

@media (max-width: 768px) {
  .br-nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--br-white);
    border-bottom: 1px solid var(--br-gray-100);
    padding: var(--space-2);
    box-shadow: var(--shadow-lg);
  }

  .br-nav__links--open {
    display: flex;
  }

  .br-nav__link {
    width: 100%;
    padding: var(--space-3) var(--space-4);
  }

  .br-nav__menu-btn {
    display: flex;
  }
}

/* ============================================================
   FOOTER - Consistent across all pages
   ============================================================ */

.br-footer {
  background: var(--br-gray-50);
  border-top: 1px solid var(--br-gray-100);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: auto;
}

.br-footer__container {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.br-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.br-footer__section h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--br-gray-900);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.br-footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.br-footer__link {
  color: var(--br-gray-500);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.br-footer__link:hover {
  color: var(--br-orange);
}

.br-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--br-gray-200);
  font-size: var(--text-sm);
  color: var(--br-gray-500);
}

.br-footer__social {
  display: flex;
  gap: var(--space-4);
}

.br-footer__social a {
  color: var(--br-gray-400);
  transition: color var(--transition-fast);
}

.br-footer__social a:hover {
  color: var(--br-orange);
}

/* ============================================================
   FOOTER (Legacy/Alternate class) - Always dark
   Stays dark in both light and dark modes for brand consistency
   ============================================================ */
.footer {
  background: #111827;  /* Fixed dark - doesn't invert */
  color: #FFFFFF;
  padding: var(--space-12) var(--space-4);
}

.footer__inner {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer__inner {
    grid-template-columns: 1fr;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-xl);
  color: #FFFFFF;
}

.footer__tagline {
  color: #9CA3AF;  /* Fixed gray - doesn't invert */
  font-size: var(--text-sm);
}

.footer__col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: #9CA3AF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  color: #D1D5DB;  /* Fixed light gray */
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--br-orange);
}

.footer__bottom {
  max-width: var(--max-width-xl);
  margin: var(--space-8) auto 0;
  padding-top: var(--space-8);
  border-top: 1px solid #374151;  /* Fixed dark gray */
  text-align: center;
  color: #6B7280;
  font-size: var(--text-sm);
}

/* Page Layout with Footer at Bottom */
.br-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.br-main {
  flex: 1;
  padding: var(--space-6) 0;
}

/* ============================================================
   OFFLINE INDICATOR
   ============================================================ */

.br-offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--br-warning);
  color: var(--br-black);
  text-align: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  z-index: calc(var(--z-sticky) + 1);
  transform: translateY(-100%);
  transition: transform var(--transition-base);
}

.br-offline-banner--visible {
  transform: translateY(0);
}

/* Adjust nav when offline banner is visible */
.br-offline-banner--visible ~ .br-nav {
  top: 36px;
}