:root {
    --primary-color: #6366F1;
    --primary-light: #818CF8;
    --primary-dark: #4F46E5;
    --secondary-color: #06B6D4;
    --accent-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --success-color: #10B981;
    
    --background-color: #FFFFFF;
    --surface-color: #F8FAFC;
    --card-color: #FFFFFF;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-tertiary: #94A3B8;
    --border-color: #E2E8F0;
    --border-light: #F1F5F9;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

[data-theme="dark"] {
    --background-color: #0F172A;
    --surface-color: #1E293B;
    --card-color: #1E293B;
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-tertiary: #64748B;
    --border-color: #334155;
    --border-light: #1E293B;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background-color);
    color: var(--text-primary);
    transition: var(--transition);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

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

.loading-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.loading-logo i {
    font-size: 2.5rem;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--surface-color);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo i {
    font-size: 2rem;
}

/* Navigation */
.nav ul {
    display: flex;
    list-style: none;
    gap: 4px;
    background: var(--card-color);
    padding: 4px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 12px 20px;
    border-radius: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    font-weight: 600;
}

.nav-link i {
    font-size: 1.25rem;
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.theme-toggle,
.user-menu {
    background: var(--card-color);
    border: 1px solid var(--border-color);
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 10px;
    border-radius: 10px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

.theme-toggle:hover,
.user-menu:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Main Content */
.main {
    min-height: calc(100vh - 80px);
    padding: 2rem 0;
}

.section {
    display: none;
    animation: fadeInUp 0.6s ease;
}

.section.active {
    display: block;
}

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

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.section-title h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Location Selector */
.location-selector {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-box input {
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.95rem;
    width: 280px;
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.search-btn {
    background: transparent;
    border: none;
    padding: 12px 16px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

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

.gps-btn {
    background: var(--card-color);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gps-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Dashboard Cards */
.dashboard-card {
    background: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.primary-card {
    grid-column: 1;
    grid-row: 1;
}

.alert-card {
    grid-column: 1 / -1;
    grid-row: 2;
}

.ai-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.ai-card .card-header {
    color: white;
}

.ai-card .prediction-label {
    color: rgba(255, 255, 255, 0.9);
}

/* Card Headers */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.view-all {
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.view-all:hover {
    background: rgba(99, 102, 241, 0.1);
}

/* Current Weather */
.current-weather {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.weather-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.temperature-section {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.temperature {
    font-size: 4rem;
    font-weight: 300;
    line-height: 1;
    color: var(--text-primary);
}

.unit {
    font-size: 2rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.weather-icon {
    font-size: 5rem;
    color: var(--primary-color);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--surface-color);
    border-radius: 12px;
    transition: var(--transition);
}

.detail-item:hover {
    transform: translateX(4px);
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 24px;
}

.detail-info {
    display: flex;
    flex-direction: column;
}

.detail-info .label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-info .value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Hourly Forecast */
.hourly-forecast {
    overflow: hidden;
}

.hourly-scroll {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 8px 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
}

.hourly-scroll::-webkit-scrollbar {
    height: 6px;
}

.hourly-scroll::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 3px;
}

.hourly-scroll::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.hour-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
    padding: 1rem;
    border-radius: 12px;
    background: var(--surface-color);
    transition: var(--transition);
    border: 1px solid var(--border-light);
    flex-shrink: 0;
}

.hour-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.hour-time {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.hour-temp {
    font-weight: 600;
    margin: 0.5rem 0;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.hour-icon {
    font-size: 1.75rem;
    margin: 0.25rem 0;
    color: var(--primary-color);
}

/* Air Quality */
.air-quality {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.quality-badge {
    background: var(--success-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.quality-meter {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.meter-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.meter-fill {
    height: 100%;
    background: linear-gradient(90deg, #10B981, #F59E0B, #EF4444);
    border-radius: 4px;
    transition: width 1s ease;
}

.quality-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.pollutants-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.pollutant {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px;
    background: var(--surface-color);
    border-radius: 8px;
}

.pollutant .name {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.pollutant .value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Alerts */
.alerts-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.no-alerts {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3rem 2rem;
    color: var(--text-secondary);
    text-align: center;
}

.no-alerts i {
    font-size: 3rem;
    color: var(--success-color);
}

.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--surface-color);
    border-radius: 12px;
    border-left: 4px solid var(--warning-color);
    transition: var(--transition);
}

.alert-item:hover {
    transform: translateX(4px);
}

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

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

.alert-item.info {
    border-left-color: var(--primary-color);
}

.alert-icon {
    font-size: 1.5rem;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.alert-message {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.alert-time {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* Historical Grid */
.historical-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.chart-container {
    height: 300px;
    position: relative;
}

.chart-actions {
    display: flex;
    gap: 4px;
    background: var(--surface-color);
    padding: 4px;
    border-radius: 8px;
}

.chart-btn {
    background: transparent;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.chart-btn.active {
    background: var(--primary-color);
    color: white;
}

/* Stats Grid */
.stats-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.temp-high {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
}

.stat-icon.temp-low {
    background: rgba(59, 130, 246, 0.1);
    color: #3B82F6;
}

.stat-icon.rain {
    background: rgba(6, 182, 212, 0.1);
    color: #06B6D4;
}

.stat-icon.humidity {
    background: rgba(99, 102, 241, 0.1);
    color: #6366F1;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Forecast Content */
.forecast-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.forecast-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.forecast-day {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem;
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.forecast-day:hover {
    transform: translateX(4px);
    border-color: var(--primary-light);
}

.forecast-date {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 120px;
}

.forecast-icon {
    font-size: 1.75rem;
    color: var(--primary-color);
}

.forecast-temps {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.forecast-max {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.forecast-min {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.forecast-precip {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* AI Predictions */
.ai-predictions {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.prediction-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.prediction-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.prediction-label {
    font-size: 0.95rem;
    font-weight: 500;
}

.prediction-value {
    font-size: 1rem;
    font-weight: 600;
}

.prediction-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.prediction-fill {
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 4px;
    transition: width 1s ease;
    position: relative;
}

.prediction-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.prediction-recommendations {
    margin-top: 1rem;
}

.prediction-recommendations h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.recommendation {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 0.9rem;
}

/* Planner Content */
.planner-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
}

.route-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.input-group label i {
    color: var(--primary-color);
}

.input-group input {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.full-width {
    width: 100%;
}

.route-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 400px;
    overflow-y: auto;
}

.no-route {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3rem 2rem;
    color: var(--text-secondary);
    text-align: center;
}

.no-route i {
    font-size: 3rem;
    color: var(--text-tertiary);
}

.route-point {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--surface-color);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.route-point:hover {
    transform: translateX(4px);
}

.point-marker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.point-marker.origin {
    background: var(--success-color);
}

.point-marker.destination {
    background: var(--error-color);
}

.point-marker.waypoint {
    background: var(--primary-color);
}

.point-content {
    flex: 1;
}

.point-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.point-name {
    font-weight: 600;
    color: var(--text-primary);
}

.point-distance {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.point-weather {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.weather-tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 4px 8px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-color);
}

.point-recommendations {
    background: rgba(99, 102, 241, 0.05);
    border-radius: 8px;
    padding: 0.75rem;
    border-left: 3px solid var(--primary-color);
}

.recommendation {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin: 0.25rem 0;
    padding-left: 0.5rem;
}

/* Alerts Content */
.alerts-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.setting-group h4 {
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--surface-color);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.setting-item:hover {
    background: rgba(99, 102, 241, 0.05);
}

.setting-item label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    flex: 1;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: var(--transition);
}

.setting-item input[type="checkbox"] {
    display: none;
}

.setting-item input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.setting-item input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-install {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

/* Footer */
.footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section h4 {
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Date Controls */
.date-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.date-selector {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.date-selector input {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
}

.date-selector input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Forecast Controls */
.forecast-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.forecast-select {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    cursor: pointer;
}

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

/* Badges */
.badge {
    background: var(--primary-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Time Display */
.time-display {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Route Summary */
.route-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 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; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.flex-1 { flex: 1; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

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

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 400px;
    word-break: break-word;
    animation: slideInRight 0.3s ease;
    border-left: 4px solid;
}

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

.notification.success {
    background: var(--success-color);
    color: white;
    border-left-color: #059669;
}

.notification.error {
    background: var(--error-color);
    color: white;
    border-left-color: #DC2626;
}

.notification.warning {
    background: var(--warning-color);
    color: white;
    border-left-color: #D97706;
}

.notification.info {
    background: var(--primary-color);
    color: white;
    border-left-color: var(--primary-dark);
}

.notification button {
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.notification button:hover {
    background: rgba(255,255,255,0.2);
}

/* Print Styles */
@media print {
    .header-actions,
    .theme-toggle,
    .user-menu,
    .btn-install,
    .nav,
    .footer {
        display: none !important;
    }
    
    .header {
        position: static;
        border-bottom: 2px solid #000;
    }
    
    .dashboard-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
        margin-bottom: 1rem;
    }
    
    .section {
        display: block !important;
        page-break-after: always;
    }
    
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt;
    }
}

/* Reduced motion for accessibility */
@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;
    }
}