/* CSS Custom Properties (Variables) */
:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #1a1f2e;
    --bg-tertiary: #252b3d;
    --bg-accent: #2d3548;
    
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #8892a0;
    
    --accent-primary: #00d4ff;
    --accent-secondary: #0099cc;
    --accent-success: #00ff88;
    --accent-warning: #ffaa00;
    --accent-error: #ff4757;
    
    --border-primary: #334155;
    --border-secondary: #475569;
    
    --shadow-primary: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-secondary: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-large: 0 25px 50px rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 2rem;
    
    /* Transitions */
    --transition-base: 0.25s ease;
    --transition-slow: 0.35s ease;
}

/* Light Theme */
body.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-accent: #e2e8f0;
    
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
    
    --shadow-primary: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-secondary: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-large: 0 25px 50px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Animation */
.page-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 255, 136, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 10%, rgba(255, 170, 0, 0.08) 0%, transparent 50%);
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 25s linear infinite;
    z-index: -1;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-primary);
    z-index: 1000;
    height: 80px;
}

.navbar {
    height: 100%;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

.nav-brand:hover {
    color: var(--accent-secondary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    background: var(--bg-accent);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-left: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile-only actions - hide by default */
.mobile-only-actions {
    display: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
    font-size: var(--font-size-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-success), var(--accent-primary));
    color: var(--bg-primary);
}

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

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

.btn-secondary:hover {
    background: var(--bg-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-secondary);
}

/* Main Content */
.main-content {
    padding-top: 80px;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.page-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-2xl);
    color: var(--accent-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Filter Section */
.filter-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-secondary);
}

.filter-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.filter-header h3 {
    color: var(--accent-primary);
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.filter-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    align-items: end;
}

.form-group {
    position: relative;
}

.form-label {
    display: block;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition-base);
    position: relative;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%2300d4ff' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 10px 12px;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-success);
    box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.1);
    background: var(--bg-accent);
    transform: translateY(-2px);
}

.form-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

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

.stat-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.stat-card.fastest {
    border-color: rgba(0, 255, 136, 0.3);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(15, 23, 42, 0.9));
}

.stat-card .stat-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--accent-primary);
}

.stat-card.fastest .stat-icon {
    color: var(--accent-success);
}

.stat-card .stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-card .stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   Analytics Section
   ============================================ */
.analytics-section {
    display: grid;
    grid-template-columns: 1.4fr 1.6fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.chart-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-secondary);
}

.chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-success), var(--accent-primary), var(--accent-warning));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.chart-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.chart-title {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.chart-title i {
    color: var(--accent-primary);
}

.chart-wrapper {
    position: relative;
    height: 320px;
}

/* ============================================
   Chart Controls
   ============================================ */
.chart-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(30, 41, 59, 0.5);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.chart-control-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.chart-control-btn:hover {
    background: rgba(0, 212, 255, 0.2);
    transform: translateY(-1px);
}

.chart-control-btn.active {
    background: rgba(0, 212, 255, 0.3);
    border-color: var(--accent-primary);
}

.chart-control-btn i {
    font-size: var(--font-size-sm);
}

.chart-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.chart-info span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.chart-info i {
    color: var(--accent-primary);
}

/* ============================================
   Lap Range Selector
   ============================================ */
.lap-range-selector {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.lap-range-selector label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.lap-range-selector input {
    width: 80px;
    padding: 0.4rem 0.6rem;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    text-align: center;
}

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

/* ============================================
   Chart Legend
   ============================================ */
.legend-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-color.out-lap {
    background: var(--accent-warning);
}

.legend-color.fastest {
    background: var(--accent-success);
}

.legend-color.clean {
    background: var(--accent-primary);
}

.legend-color.off-track {
    background: var(--accent-error);
}

/* ============================================
   Data Warning
   ============================================ */
.data-warning {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem var(--spacing-md);
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid rgba(255, 170, 0, 0.3);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--accent-warning);
}

.data-warning i {
    font-size: var(--font-size-base);
}

/* ============================================
   Lap Table
   ============================================ */
.table-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-secondary);
    display: flex;
    flex-direction: column;
}

.table-header {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.table-header h3 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.table-header i {
    color: var(--accent-primary);
}

.table-responsive {
    flex: 1;
    overflow-y: auto;
    max-height: 638px;
}

.table-responsive::-webkit-scrollbar {
    width: 8px;
}

.table-responsive::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.table-responsive::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: var(--radius-sm);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: transparent;
    border-spacing: 0;
}

.table th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 1px;
    padding: var(--spacing-md) var(--spacing-sm);
    border-bottom: 2px solid var(--border-primary);
    position: sticky;
    top: 0;
    z-index: 10;
    white-space: nowrap;
}

.table td {
    padding: var(--spacing-md) var(--spacing-sm);
    border-bottom: 1px solid var(--border-secondary);
    vertical-align: middle;
    color: var(--text-primary);
    white-space: nowrap;
}

.table tr {
    transition: var(--transition-base);
}

.table tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

/* Table column widths */
.table th:nth-child(1),
.table td:nth-child(1) {
    width: 60px;
    text-align: center;
}

.table th:nth-child(2),
.table td:nth-child(2) {
    width: 100px;
    text-align: center;
}

.table th:nth-child(3),
.table td:nth-child(3) {
    width: 80px;
    text-align: center;
}

.table th:nth-child(4),
.table td:nth-child(4) {
    width: 100px;
    text-align: center;
}

.table th:nth-child(5),
.table td:nth-child(5) {
    width: 100px;
    text-align: center;
}

.lap-number {
    font-weight: 700;
    color: var(--accent-primary);
    font-size: var(--font-size-base);
}

.lap-time {
    font-family: 'Monaco', 'Consolas', monospace;
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--text-primary);
}

.fastest-lap {
    background: rgba(0, 255, 136, 0.1);
    border-left: 4px solid var(--accent-success);
}

.fastest-lap td {
    color: var(--accent-success) !important;
}

.gap-positive {
    color: var(--accent-error);
    font-weight: 600;
}

.gap-zero {
    color: var(--accent-success);
    font-weight: 700;
}

/* ============================================
   Status Badges
   ============================================ */
.badge {
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.fastest {
    background: rgba(0, 255, 136, 0.2);
    color: var(--accent-success);
}

.badge.clean {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent-primary);
}

.badge.out-lap {
    background: rgba(255, 170, 0, 0.2);
    color: var(--accent-warning);
}

.badge.off-track {
    background: rgba(255, 71, 87, 0.2);
    color: var(--accent-error);
}

.badge.unknown {
    background: rgba(136, 146, 160, 0.2);
    color: var(--text-muted);
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--text-muted);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    font-size: var(--font-size-base);
    line-height: 1.6;
    max-width: 400px;
    margin: 0 auto;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .analytics-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .chart-wrapper {
        height: 280px;
    }

    .table-responsive {
        max-height: 400px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-lg);
    }
    
    .container {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .page-title {
        font-size: var(--font-size-3xl);
    }
    
    .filter-form {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .chart-wrapper {
        height: 250px;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: var(--font-size-xs);
    }

    .table th:nth-child(1),
    .table td:nth-child(1) {
        width: 50px;
    }

    .table th:nth-child(2),
    .table td:nth-child(2) {
        width: 90px;
    }

    .table th:nth-child(3),
    .table td:nth-child(3) {
        width: 70px;
    }

    .table th:nth-child(4),
    .table td:nth-child(4) {
        width: 80px;
    }

    .table th:nth-child(5),
    .table td:nth-child(5) {
        width: 80px;
    }
    
    /* Stats grid responsive */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Chart controls responsive */
    .chart-controls {
        flex-direction: column;
    }
    
    .chart-info {
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .page-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .page-title {
        font-size: var(--font-size-2xl);
    }
    
    .filter-section {
        padding: var(--spacing-lg);
    }
    
    .chart-wrapper {
        height: 200px;
    }

    .table th,
    .table td {
        padding: var(--spacing-xs);
        font-size: 10px;
    }

    .table th:nth-child(1),
    .table td:nth-child(1) {
        width: 40px;
    }

    .table th:nth-child(2),
    .table td:nth-child(2) {
        width: 80px;
    }

    .table th:nth-child(3),
    .table td:nth-child(3) {
        width: 60px;
    }

    .table th:nth-child(4),
    .table td:nth-child(4) {
        width: 70px;
    }

    .table th:nth-child(5),
    .table td:nth-child(5) {
        width: 70px;
    }
    
    /* Stats grid responsive */
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Focus styles for accessibility */
.form-input:focus,
.btn:focus,
.theme-toggle:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ============================================
   Mobile Navigation Styles
   ============================================ */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-2xl);
        transition: var(--transition-base);
        border-top: 1px solid var(--border-primary);
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    /* Hide desktop nav-actions on mobile */
    .nav-actions {
        display: none !important;
    }
    
    .nav-link {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-sm);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        font-size: var(--font-size-base);
        color: var(--text-primary);
        transition: all 0.2s ease;
    }
    
    .nav-link:hover {
        background: rgba(255, 255, 255, 0.05);
        padding-left: var(--spacing-md);
    }
    
    .nav-link i {
        margin-right: var(--spacing-sm);
        width: 20px;
        color: var(--accent-primary);
    }
    
    /* Show mobile-only actions */
    .mobile-only-actions {
        display: flex !important;
        flex-direction: column;
        width: 100%;
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-lg);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        gap: var(--spacing-md);
    }
    
    .mobile-auth-btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg) !important;
        background: rgba(255, 255, 255, 0.05) !important;
        color: var(--text-primary);
        border-radius: var(--radius-md);
        text-align: center;
        font-weight: 600;
        transition: all 0.3s ease;
        border: 1px solid rgba(255, 255, 255, 0.1) !important;
        font-size: var(--font-size-base) !important;
    }
    
    .mobile-auth-btn:hover {
        background: rgba(255, 255, 255, 0.1) !important;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    
    .mobile-auth-btn.primary {
        background: var(--accent-primary) !important;
        color: var(--bg-primary);
        border: none !important;
    }
    
    .mobile-auth-btn.primary:hover {
        background: var(--accent-secondary) !important;
    }
    
    .mobile-auth-btn i {
        margin-right: var(--spacing-sm);
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .mobile-menu-toggle {
        width: 25px !important;
        height: 20px !important;
    }
    
    .mobile-menu-toggle span {
        height: 2px !important;
    }
    
    .nav-brand span {
        display: none;
    }
    
    .nav-brand i {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        top: 60px;
        height: calc(100vh - 60px);
    }
}

/* Desktop - Hide mobile elements */
@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none !important;
    }
    
    .mobile-only-actions {
        display: none !important;
    }
    
    .nav-menu {
        display: flex !important;
        position: static !important;
        flex-direction: row !important;
        width: auto !important;
        height: auto !important;
        padding: 0 !important;
        box-shadow: none !important;
        background: transparent !important;
        border: none !important;
    }
    
    .nav-actions {
        display: flex !important;
    }
}

/* Brand - Always visible */
.nav-brand {
    display: flex !important;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    z-index: 1002;
}

.nav-brand i {
    color: var(--accent-primary);
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .nav-brand {
        display: flex !important;
        position: relative;
        z-index: 1002;
    }
    
    .nav-brand span {
        display: inline !important;
    }
    
    .nav-brand i {
        display: inline !important;
    }
    
    .nav-container {
        display: flex !important;
        justify-content: space-between;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .nav-brand {
        font-size: var(--font-size-lg);
    }
    
    .nav-brand i {
        font-size: 1.2rem;
    }
}

/* ============================================
   Reduced Motion Support
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .page-background {
        animation: none;
    }
}