/* Modern Smart Location Tracker - 2026 Edition */
:root {
    /* Color palette - Modern gradient-friendly */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --secondary-color: #f093fb;
    --success-gradient: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
    --success-color: #4caf50;
    --danger-gradient: linear-gradient(135deg, #f43b47 0%, #453a94 100%);
    --danger-color: #f43b47;
    --warning-gradient: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
    --warning-color: #f7971e;
    
    /* Neutral colors */
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-bg-dark: rgba(255, 255, 255, 0.95);
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Glass morphism */
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 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: 2rem;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Modern Glass Header */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.5s ease;
}

header h1 {
    font-size: var(--text-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

.connection-status {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(5px);
    transition: var(--transition-normal);
}

.connection-status.online {
    background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
    color: #1a4731;
}

.connection-status.offline {
    background: linear-gradient(135deg, #f43b47 0%, #453a94 100%);
    color: #fff;
}

/* Sign Out Button */
#signOutBtn {
    background: var(--glass-bg);
    backdrop-filter: blur(5px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

#signOutBtn:hover {
    background: linear-gradient(135deg, #f43b47 0%, #453a94 100%);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

#signOutBtn::before {
    content: '🚪';
    font-size: var(--text-base);
}

/* Install Button */
#installBtn {
    background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
    color: #1a4731;
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    animation: pulse 2s infinite;
}

#installBtn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

#installBtn::before {
    content: '📱';
    font-size: var(--text-base);
}

/* Main content */
main {
    flex: 1;
}

/* Modern Cards */
.auth-section,
.tracking-section {
    background: var(--card-bg-dark);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
    animation: fadeIn 0.5s ease;
}

/* Authentication Section */
.auth-section h2 {
    font-size: var(--text-3xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#emailSignInForm {
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

#emailSignInForm input {
    padding: var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: var(--transition-normal);
    background: var(--glass-bg);
}

#emailSignInForm input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.divider {
    text-align: center;
    margin: var(--space-lg) 0;
    color: var(--text-muted);
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background: var(--border-color);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

/* Modern Buttons */
.btn {
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.95);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 10px 20px -5px rgba(102, 126, 234, 0.5);
}

.btn-success {
    background: var(--success-gradient);
    color: #1a4731;
    box-shadow: 0 10px 20px -5px rgba(76, 175, 80, 0.5);
}

.btn-danger {
    background: var(--danger-gradient);
    color: white;
    box-shadow: 0 10px 20px -5px rgba(244, 59, 71, 0.5);
}

.btn-secondary {
    background: var(--secondary-gradient);
    color: white;
    box-shadow: 0 10px 20px -5px rgba(240, 147, 251, 0.5);
}

/* Feature Buttons */
.feature-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 20px 0;
    padding: 10px;
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
}

.feature-buttons .btn {
    min-width: 120px;
    font-size: 0.9rem;
    padding: var(--space-sm) var(--space-md);
}

/* Search Container */
.search-container {
    margin: 20px 0;
    animation: slideDown 0.3s ease;
}

.search-box {
    background: white;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.search-box input {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.search-actions button {
    flex: 1;
}

/* Location Permission Card */
.location-permission {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px dashed var(--primary-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    margin-bottom: var(--space-lg);
    animation: pulse 2s infinite;
}

.location-permission p {
    font-size: var(--text-lg);
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

/* Tracking Controls */
.tracking-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

/* Location Info Grid */
.location-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.location-info > div {
    background: var(--glass-bg);
    backdrop-filter: blur(5px);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: var(--transition-normal);
}

.location-info > div:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.location-info h3 {
    grid-column: 1 / -1;
    font-size: var(--text-2xl);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Status Indicators */
.status-warning {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2) !important;
    border-left: 4px solid var(--warning-color);
    color: #b26a00;
}

.status-success {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9) !important;
    border-left: 4px solid var(--success-color);
    color: #1e4620;
}

.status-error {
    background: linear-gradient(135deg, #ffebee, #ffcdd2) !important;
    border-left: 4px solid var(--danger-color);
    color: #b71c1c;
}

.status-info {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb) !important;
    border-left: 4px solid var(--primary-color);
    color: #0d47a1;
}

/* Map Container */
.map-container {
    height: 450px;
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 2px solid var(--glass-border);
    position: relative;
}

#map {
    height: 100%;
    width: 100%;
    background: #e8e8e8;
}

/* Map Loading Animation */
.map-container.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: loading 1.5s infinite;
}

/* Statistics Grid */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.stats h3 {
    grid-column: 1 / -1;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-sm);
}

.stats > div {
    background: var(--glass-bg);
    backdrop-filter: blur(5px);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    text-align: center;
    font-size: var(--text-lg);
    font-weight: 600;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stats > div::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.stats > div:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.stats > div::before {
    display: block;
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

#totalPoints::before { content: '📍'; }
#offlineQueue::before { content: '📱'; }
#geofenceCount::before { content: '🚧'; }
#trackingDuration::before { content: '⏱️'; }

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    background: var(--card-bg-dark);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    max-width: 350px;
    border-left: 4px solid var(--primary-color);
}

.toast.success { border-left-color: var(--success-color); }
.toast.error { border-left-color: var(--danger-color); }
.toast.warning { border-left-color: var(--warning-color); }

.toast-title {
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.toast-message {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Share Panel */
.share-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
}

.share-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.share-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.share-body {
    padding: 20px;
}

.share-type-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.share-type-btn {
    flex: 1;
    padding: 10px;
    border: none;
    background: var(--glass-bg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.share-type-btn.active {
    background: var(--primary-gradient);
    color: white;
}

.share-content {
    display: none;
    margin-bottom: 20px;
}

.share-content.active {
    display: block;
}

.share-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin: 20px 0;
}

.platform-btn {
    padding: 12px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-normal);
    font-weight: 600;
}

.platform-btn.facebook {
    background: #1877f2;
    color: white;
}

.platform-btn.twitter {
    background: #1da1f2;
    color: white;
}

.platform-btn.whatsapp {
    background: #25d366;
    color: white;
}

.platform-btn.telegram {
    background: #0088cc;
    color: white;
}

.platform-btn.email {
    background: #ea4335;
    color: white;
}

.platform-btn.sms {
    background: #34b7f1;
    color: white;
}

.platform-btn.copy {
    background: #6c757d;
    color: white;
}

.platform-btn.qr {
    background: #28a745;
    color: white;
}

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

/* Profile Panel */
.profile-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
}

.profile-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.profile-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.profile-avatar-section {
    padding: 20px;
    text-align: center;
}

.avatar-container {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.avatar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
    cursor: pointer;
}

.avatar-container:hover .avatar-overlay {
    opacity: 1;
}

.avatar-overlay span {
    color: white;
    font-size: 1.2rem;
}

.avatar-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.profile-info {
    padding: 20px;
}

.info-group {
    margin-bottom: 15px;
}

.info-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-secondary);
}

.info-group input,
.info-group textarea,
.info-group select {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.info-group input:focus,
.info-group textarea:focus,
.info-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.profile-preferences {
    padding: 20px;
    background: var(--glass-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.profile-preferences h5,
.profile-stats h5 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.pref-group {
    margin-bottom: 15px;
}

.pref-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-secondary);
}

.pref-group.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pref-group.checkbox input {
    width: auto;
}

.profile-stats {
    padding: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background: var(--glass-bg);
    border-radius: var(--radius-md);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

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

.profile-actions {
    padding: 20px;
    display: flex;
    gap: 10px;
}

.btn-save {
    flex: 2;
    padding: 12px;
    background: var(--success-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.btn-danger {
    flex: 1;
    padding: 12px;
    background: var(--danger-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

/* Close Button */
.close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* QR Container */
.qr-container {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: var(--radius-md);
    margin-top: 20px;
}

.qr-image {
    max-width: 200px;
    margin: 0 auto 10px;
}

/* Trip Summary */
.trip-summary {
    background: white;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.summary-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.summary-actions button {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--primary-gradient);
    color: white;
    cursor: pointer;
    transition: var(--transition-normal);
}

.summary-actions button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Playback Panel */
.playback-panel {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: white;
    border-radius: var(--radius-lg);
    padding: 15px;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

.playback-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.playback-progress {
    margin-top: 10px;
}

.playback-progress progress {
    width: 100%;
    height: 10px;
    border-radius: 5px;
}

/* Route Info Panel */
.route-info-panel {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    max-width: 400px;
    background: white;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    animation: slideDown 0.3s ease;
}

.route-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.route-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.route-stat {
    text-align: center;
    padding: 10px;
    background: var(--glass-bg);
    border-radius: var(--radius-md);
}

.route-steps {
    max-height: 300px;
    overflow-y: auto;
}

.steps-list {
    list-style: none;
    padding: 0;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}

.step-item:last-child {
    border-bottom: none;
}

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

.step-instruction {
    flex: 1;
    font-size: 0.9rem;
}

.step-distance {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Alternatives Panel */
.alternatives-panel {
    position: absolute;
    top: 20px;
    right: 20px;
    max-width: 300px;
    background: white;
    border-radius: var(--radius-lg);
    padding: 15px;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    animation: slideDown 0.3s ease;
}

.alternatives-header {
    margin-bottom: 10px;
}

.alternatives-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.alternative-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: var(--glass-bg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.alternative-item:hover {
    transform: translateX(-5px);
    background: var(--primary-gradient);
    color: white;
}

/* Debug Panel */
.debug-info {
    background: #1a1a1a;
    color: #00ff00;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--text-xs);
    margin-top: var(--space-md);
    overflow-x: auto;
}

/* Footer */
footer {
    text-align: center;
    padding: var(--space-lg);
    color: var(--text-muted);
    font-size: var(--text-sm);
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
}

/* Hidden class */
.hidden {
    display: none !important;
}

/* Spinner */
.spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

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

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

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-container {
        padding: var(--space-sm);
    }
    
    header {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .header-actions {
        flex-direction: column;
        width: 100%;
    }
    
    #signOutBtn,
    #installBtn {
        width: 100%;
        justify-content: center;
    }
    
    .connection-status {
        width: 100%;
        text-align: center;
    }
    
    .auth-section,
    .tracking-section {
        padding: var(--space-lg);
    }
    
    .feature-buttons {
        flex-direction: column;
    }
    
    .feature-buttons .btn {
        width: 100%;
    }
    
    .location-info {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
    }
    
    .tracking-controls {
        flex-direction: column;
    }
    
    .map-container {
        height: 300px;
    }
    
    .toast-container {
        left: var(--space-sm);
        right: var(--space-sm);
        bottom: var(--space-sm);
    }
    
    .toast {
        max-width: 100%;
    }
    
    .share-platforms {
        grid-template-columns: 1fr;
    }
    
    .profile-panel,
    .share-panel {
        width: 95%;
        max-height: 90vh;
    }
    
    .stats-grid,
    .summary-stats {
        grid-template-columns: 1fr;
    }
    
    .profile-actions {
        flex-direction: column;
    }
    
    .route-info-panel,
    .alternatives-panel {
        position: relative;
        top: 0;
        left: 0;
        right: 0;
        max-width: 100%;
        margin-bottom: 10px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-gradient: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
        --card-bg: rgba(26, 32, 44, 0.9);
        --card-bg-dark: rgba(26, 32, 44, 0.95);
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
        --text-muted: #a0aec0;
        --border-color: #4a5568;
    }
    
    #emailSignInForm input {
        background: #2d3748;
        color: white;
        border-color: #4a5568;
    }
    
    .toast {
        background: #2d3748;
        color: white;
    }
    
    .share-panel,
    .profile-panel,
    .route-info-panel,
    .alternatives-panel,
    .playback-panel {
        background: #2d3748;
        color: white;
    }
    
    .step-item {
        border-bottom-color: #4a5568;
    }
}

/* Print styles */
@media print {
    header,
    .tracking-controls,
    .btn,
    footer,
    .toast-container,
    .feature-buttons,
    .share-panel,
    .profile-panel,
    .route-info-panel,
    .alternatives-panel {
        display: none !important;
    }
    
    .map-container {
        height: 300px;
        page-break-inside: avoid;
    }
}