/**
 * PRZ Critical Path CSS
 * Dark/Light theme with Material Design principles
 * Responsive design with mobile-first approach
 */

:root {
  /* Dark Theme Colors */
  --primary: #1976d2;
  --primary-dark: #1565c0;
  --primary-light: #42a5f5;
  --secondary: #ffc107;
  --secondary-dark: #ffa000;
  
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-tertiary: #2d2d2d;
  --bg-elevation-1: #1e1e1e;
  --bg-elevation-2: #232323;
  --bg-elevation-3: #282828;
  
  --text-primary: #ffffff;
  --text-secondary: #ececec;
  --text-disabled: #b3b3b3;
  --text-muted: #666666;
  
  --success: #4caf50;
  --warning: #ff9800;
  --error: #f44336;
  --info: #2196f3;
  
  --border: #404040;
  --border-light: #525252;
  --shadow: rgba(0, 0, 0, 0.3);
  
  /* Spacing - Unified naming (keeping both for compatibility) */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  
  /* Alternative spacing names (for layout.css compatibility) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 96px;
  
  /* Layout dimensions */
  --header-height: 64px;
  --app-nav-height: 48px;
  --max-content-width: 1400px;
  --container-padding: 32px;
  --container-padding-mobile: 16px;
  
  /* Typography - Mobile-first responsive sizes */
  --font-family: "neue-haas-grotesk-display", sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;
  --font-size-4xl: 40px;
  --font-size-5xl: 48px;
  --font-size-6xl: 56px;
  --font-size-xxl: 22px;
  --font-size-h3: 24px;
  --font-size-h2: 28px;
  --font-size-h1: 32px;
    
  --font-weight: 500;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-light: 300;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --border-radius: 8px;
  --border-radius-sm: 6px;
  --border-radius-lg: 12px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.35s ease;
  --transition-base: 0.2s ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Additional semantic color mappings */
  --bg-white: #ffffff;
  --primary-color: var(--primary);
  --primary-50: rgba(25, 118, 210, 0.1);
  --primary-rgb: 25, 118, 210;
  --font-sans: var(--font-family);
  --font-mono: "Monaco", "Menlo", "Ubuntu Mono", monospace;
  --text-disabled: var(--text-muted);
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #eeeeee;
  --bg-elevation-1: #ffffff;
  --bg-elevation-2: #fafafa;
  --bg-elevation-3: #f5f5f5;
  
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-disabled: #bdbdbd;
  
  --border: #e0e0e0;
  --border-light: #f5f5f5;
  --shadow: rgba(0, 0, 0, 0.1);
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight);
  font-style: normal;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-bold);
  font-style: normal;
    font-variant: all-petite-caps;
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

/* Mobile Typography Improvements */
@media (max-width: 768px) {
  body {
    font-size: var(--font-size-lg); /* 18px on mobile for better readability */
    line-height: 1.6;
  }
  
  h1 { font-size: calc(var(--font-size-h1) + 6x); }
  h2 { font-size: calc(var(--font-size-h2) + 4px); }
  h3 { font-size: calc(var(--font-size-h3) + 2px); }
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

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

a:hover {
  color: var(--primary-light);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.main-content {
  padding-top: 64px; /* Account for fixed header */
  min-height: calc(100vh - 64px);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--bg-elevation-2);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  box-shadow: 0 2px 4px var(--shadow);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--primary);
  padding: 10px;
}
.logo img {
    vertical-align: middle;
}

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

/* Hamburger Menu */
.menu-toggle {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.menu-toggle:hover {
  background-color: var(--bg-tertiary);
}

.hamburger {
  width: 20px;
  height: 20px;
  position: relative;
  transform: rotate(0deg);
  transition: var(--transition-normal);
}

.hamburger span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 1px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: var(--transition-normal);
}

.hamburger span:nth-child(1) { top: 4px; }
.hamburger span:nth-child(2) { top: 9px; }
.hamburger span:nth-child(3) { top: 14px; }

.menu-toggle.active .hamburger span:nth-child(1) {
  top: 9px;
  transform: rotate(135deg);
}

.menu-toggle.active .hamburger span:nth-child(2) {
  opacity: 0;
  left: -20px;
}

.menu-toggle.active .hamburger span:nth-child(3) {
  top: 9px;
  transform: rotate(-135deg);
}

/* Sidebar Menu */
.sidebar {
  position: fixed;
  top: 64px;
  right: calc((100vw - 1200px) / 2 + var(--spacing-md));
  width: 0;
  height: calc(100vh - 64px);
  background-color: var(--bg-elevation-2);
  border-left: 1px solid var(--border);
  transition: width var(--transition-normal), opacity var(--transition-normal);
  z-index: 999;
  overflow: hidden;
  opacity: 0;
  box-shadow: -2px 0 8px var(--shadow);
}

.sidebar.open {
  width: 320px;
  opacity: 1;
  overflow-y: auto;
}

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

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

.sidebar-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* Portfolio Selector */
.portfolio-selector {
  margin-bottom: var(--spacing-lg);
}

.portfolio-list {
  list-style: none;
}

.portfolio-item {
  margin-bottom: var(--spacing-sm);
}

.portfolio-item button {
  width: 100%;
  padding: var(--spacing-md);
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  text-align: left;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
}

.portfolio-item button:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-light);
}

.portfolio-item button.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
}

.portfolio-name {
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.portfolio-id {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  opacity: 0.8;
}

/* Navigation Menu */
.nav-menu {
  list-style: none;
}

.nav-item {
  margin-bottom: var(--spacing-xs);
}

.nav-link {
  display: block;
  padding: var(--spacing-md);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
  font-size: var(--font-size-base);
}

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

.nav-link.active {
  background-color: var(--primary);
  color: white;
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-light);
}

/* Desktop theme toggle styling */
.desktop-actions .theme-toggle {
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 16px;
  min-width: 40px;
  justify-content: center;
}

.desktop-actions .theme-toggle:hover {
  transform: scale(1.05);
}

/* Mobile theme toggle styling */
.mobile-nav .theme-toggle {
  border: none;
  padding: 12px 16px;
  border-radius: 8px;
  justify-content: flex-start;
}

.mobile-nav .theme-toggle:hover {
  background-color: var(--bg-elevation-3);
}

/* Overlay */
.sidebar-overlay {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 998;
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile navigation styling */
.mobile-nav-divider {
  height: 1px;
  background-color: var(--border);
  margin: 16px 0;
}

.mobile-nav-section {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 8px;
  padding: 0 16px;
}

/* Responsive Design */
@media (min-width: 769px) {
  .desktop-actions {
    display: flex !important;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .header-container {
    padding: 0 var(--spacing-sm);
  }
  
  .sidebar {
    right: var(--spacing-sm);
    width: 0;
  }
  
  .sidebar.open {
    width: 280px;
  }
  
  .sidebar-content {
    padding: var(--spacing-md);
  }
  .main-content {
    padding-top: 64px; /* Account for fixed header */
    min-height: calc(100vh - 64px);
  }
}

@media (max-width: 480px) {
  .sidebar {
    right: 0;
    width: 0;
  }
  
  .sidebar.open {
    width: 100vw;
  }
  .main-content {
    padding-top: 64px; /* Account for fixed header */
    min-height: calc(100vh - 64px);
  }
}

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

.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* Market Status */
.market-status {
  margin-top: var(--spacing-md);
}

.market-indicator {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: var(--bg-elevation-1);
}

.market-normal {
  border-color: var(--success);
  background-color: rgba(76, 175, 80, 0.1);
}

.market-recovering {
  border-color: var(--info);
  background-color: rgba(33, 150, 243, 0.1);
}

.market-warning {
  border-color: var(--warning);
  background-color: rgba(255, 152, 0, 0.1);
}

.market-crash {
  border-color: var(--error);
  background-color: rgba(244, 67, 54, 0.1);
}

.market-unknown {
  border-color: var(--border);
  background-color: var(--bg-elevation-2);
}

.market-status-text {
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
}

.market-normal .market-status-text { color: var(--success); }
.market-recovering .market-status-text { color: var(--info); }
.market-warning .market-status-text { color: var(--warning); }
.market-crash .market-status-text { color: var(--error); }
.market-unknown .market-status-text { color: var(--text-secondary); }

.market-confidence {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.market-message {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* PRZ Loading Animation - Animated Candlestick Logo */
.prz-loading {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}

.prz-loading-icon {
  width: 64px;
  height: 64px;
}

/* Trading-realistic animation: Red down, Amber both ways, Green up */
.prz-loading-icon .candlestick-1 {
  animation: prz-trading-red 2s ease-in-out infinite;
  animation-delay: 0s;
  transform-origin: top center;
}

.prz-loading-icon .candlestick-2 {
  animation: prz-trading-amber 2s ease-in-out infinite;
  animation-delay: 0.4s;
  transform-origin: center center;
}

.prz-loading-icon .candlestick-3 {
  animation: prz-trading-green 2s ease-in-out infinite;
  animation-delay: 0.8s;
  transform-origin: bottom center;
}

@keyframes prz-trading-red {
  0%, 100% {
    opacity: 0.5;
    transform: scaleY(0.7);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.2);
  }
}

@keyframes prz-trading-amber {
  0%, 100% {
    opacity: 0.5;
    transform: scaleY(0.8) scaleX(0.95);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.15) scaleX(1.05);
  }
}

@keyframes prz-trading-green {
  0%, 100% {
    opacity: 0.5;
    transform: scaleY(0.7);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.2);
  }
}

/* Playful hopping animation - each candlestick hops for attention */
.prz-loading-icon.hop-mode .candlestick-1 {
  animation: prz-hop 3s ease-in-out infinite;
  animation-delay: 0s;
}

.prz-loading-icon.hop-mode .candlestick-2 {
  animation: prz-hop 3s ease-in-out infinite;
  animation-delay: 1s;
}

.prz-loading-icon.hop-mode .candlestick-3 {
  animation: prz-hop 3s ease-in-out infinite;
  animation-delay: 2s;
}

@keyframes prz-hop {
  0%, 85%, 100% {
    opacity: 0.4;
    transform: translateY(0) scale(1);
  }
  5% {
    opacity: 1;
    transform: translateY(-8px) scale(1.05);
  }
  15% {
    opacity: 0.9;
    transform: translateY(0) scale(0.98);
  }
  25% {
    opacity: 1;
    transform: translateY(-4px) scale(1.02);
  }
  35% {
    opacity: 0.7;
    transform: translateY(0) scale(1);
  }
}

/* Alternative: Sequential highlight animation */
.prz-loading-icon.highlight-mode .candlestick-1 {
  animation: prz-highlight 2s ease-in-out infinite;
  animation-delay: 0s;
}

.prz-loading-icon.highlight-mode .candlestick-2 {
  animation: prz-highlight 2s ease-in-out infinite;
  animation-delay: 0.4s;
}

.prz-loading-icon.highlight-mode .candlestick-3 {
  animation: prz-highlight 2s ease-in-out infinite;
  animation-delay: 0.8s;
}

@keyframes prz-highlight {
  0%, 80%, 100% {
    opacity: 0.3;
    transform: scale(0.85);
  }
  20% {
    opacity: 1;
    transform: scale(1.0);
  }
}

/* Loading text */
.prz-loading-text {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
}

/* Different sizes */
.prz-loading.small .prz-loading-icon {
  width: 48px;
  height: 48px;
}

.prz-loading.large .prz-loading-icon {
  width: 80px;
  height: 80px;
}

/* Overlay version for full-screen loading */
.prz-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(3px);
  pointer-events: all;
  user-select: none;
}

.prz-loading-overlay .prz-loading {
  background: var(--bg-elevation-2);
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px var(--shadow);
}

.prz-loading-overlay .prz-loading-text {
  color: var(--text-primary);
  font-size: 16px;
}

/* Notification Toast Animations */
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

.notification-toast {
  cursor: pointer;
  transition: transform 0.2s ease;
}

.notification-toast:hover {
  transform: scale(1.02);
}

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

.notification-content strong {
  color: var(--text-primary);
  font-size: var(--font-size-lg);
}

.notification-body {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.signal-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

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

.signal-badge.bearish-leaning {
  background-color: rgba(239, 68, 68, 0.7);
  color: white;
}

.signal-badge.neutral {
  background-color: var(--warning);
  color: white;
}

.signal-badge.bullish-leaning {
  background-color: rgba(34, 197, 94, 0.7);
  color: white;
}

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

/* Direction Indicators */
.direction-indicator {
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin: 2px 0;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.direction-indicator.up {
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--success);
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.direction-indicator.down {
  background-color: rgba(244, 67, 54, 0.1);
  color: var(--error);
  border: 1px solid rgba(244, 67, 54, 0.3);
}

.direction-indicator.new {
  background-color: rgba(33, 150, 243, 0.1);
  color: var(--info);
  border: 1px solid rgba(33, 150, 243, 0.3);
}

/* ===== LAYOUT SYSTEM ===== */
/* Main Content Layout */
.main-content {
  min-height: calc(100vh - var(--header-height) - var(--app-nav-height));
  background: var(--bg-primary);
}

.container {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: var(--container-padding) var(--container-padding-mobile);
}

/* Page Headers */
.page-header {
  margin-bottom: var(--space-xl);
}

.page-title {
  color: var(--text-primary);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--space-sm) 0;
  line-height: 1.2;
}

.page-description {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  margin: 0;
  line-height: 1.5;
}

/* Cards & Panels */
.card {
  background: var(--bg-elevation-2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.card-header {
  margin-bottom: var(--space-lg);
}

.card-title {
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-sm) 0;
}

.card-description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Grids */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

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

.form-label {
  display: block;
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-elevation-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  transition: border-color 0.2s ease;
}

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

/* Enhanced Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 40px;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

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

.btn-secondary {
  background: var(--bg-elevation-3);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-elevation-2);
}

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

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

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

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  min-height: 32px;
}

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

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

/* Desktop Styles */
@media (min-width: 768px) {
  .container {
    padding: var(--container-padding);
  }
  
  .grid-responsive {
    grid-template-columns: 350px 1fr;
  }
}

@media (min-width: 1200px) {
  .container {
    padding: var(--space-3xl) var(--container-padding);
  }
}

/* ===== SEMANTIC NAVIGATION SYSTEM ===== */
/* Disclaimer Banner */
.disclaimer-banner {
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--warning), var(--error));
  color: var(--text-primary);
  padding: var(--space-sm);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  display: block;
  visibility: visible;
  opacity: 1;
  width: 100%;
  z-index: 1000;
}

.disclaimer-content {
  max-width: var(--max-content-width);
  margin: 0 auto;
}

/* Main Navigation Bar */
.main-nav {
  position: fixed;
  left: 0;
  right: 0;
  background: var(--bg-elevation-2);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: block;
  visibility: visible;
  opacity: 1;
  /*padding: var(--spacing-sm);*/
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
  padding: var(--space-lg);
  visibility: visible;
  opacity: 1;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform 0.2s ease;
  visibility: visible;
  opacity: 1;
  position: relative;
  z-index: 1003;
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-logo img {
  height: 30px;
  width: auto;
  display: block;
  visibility: visible;
  opacity: 1;
}

/* Hamburger Menu Button */
.hamburger-menu {
  background: none;
  border: 2px solid var(--border);
  cursor: pointer;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  z-index: 1002;
  position: relative;
}

.hamburger-menu:hover {
  background: var(--bg-elevation-3);
}

.hamburger-line {
  width: 22px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
  display: block;
}

.hamburger-menu[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger-menu[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Slide-out Navigation */
.slide-nav {
  position: fixed;
  right: -500px;
  width: 500px;
  height: 100vh;
  background: var(--bg-elevation-2);
  border-left: 1px solid var(--border);
  z-index: 1002;
  transition: right 0.3s ease;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.slide-nav.open {
  right: 0;
}

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

.slide-nav-close {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.slide-nav-close:hover {
  background: var(--bg-elevation-3);
  color: var(--text-primary);
}

.slide-nav-content {
  flex: 1;
  padding: var(--space-md);
  overflow-y: auto;
  height: auto;
}

.slide-nav-section {
  list-style: none;
  margin: 0 0 var(--space-lg) 0;
  padding: 0;
  position: static;
  display: block;
  clear: both;
  height: auto;
  overflow: visible;
}

.slide-nav-heading {
  font-size: var(--font-size-sm);
  color: var(--text-disabled);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: var(--space-md) var(--space-sm) var(--space-sm);
  font-weight: 600;
}

.slide-nav-item {
  margin: 0 0 2px 0;
  position: static;
  display: block;
  clear: both;
  overflow: visible;
  height: auto;
}

.slide-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-size: var(--font-size-base);
  cursor: pointer;
  position: static;
  z-index: auto;
  margin: 0 0 4px 0;
  clear: both;
}

.slide-nav-link:hover {
  background: var(--bg-elevation-3);
}

.slide-nav-link.active {
  background: var(--bg-elevation-3);
  color: var(--primary);
}

.slide-nav-link .nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.slide-nav-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-xl) var(--space-sm);
  clear: both;
}

/* Slide Navigation Overlay */
.slide-nav-overlay {
  position: fixed;
  top: 96px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 1001;
}

.slide-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Navigation Responsive */
@media (max-width: 767px) {
  .nav-container {
    padding: var(--space-md);
  }
  
  .slide-nav {
    right: -100vw;
    width: 100vw;
    height: 100vh;
  }
}

/* Focus States for Accessibility */
.slide-nav-link:focus,
.hamburger-menu:focus,
.nav-logo:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}