/* ==================== RESET & ROOT ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Brand Colors */
    --color-primary: #00FF9D;
    --color-primary-glow: rgba(0, 255, 157, 0.3);
    --color-secondary: #FF0066;
    --color-accent: #FFD700;

    /* Dark Theme Base */
    --bg-primary: #0A0A0A;
    --bg-secondary: #111111;
    --bg-tertiary: #1A1A1A;
    --bg-card: #141414;

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.4);

    /* Borders & Dividers */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 255, 157, 0.2);

    /* Shadows */
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px var(--color-primary-glow);

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* ==================== BODY & LAYOUT ==================== */
body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* ==================== ANIMATED BACKGROUND ==================== */
.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 255, 157, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 157, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    pointer-events: none;
    animation: gridMove 20s linear infinite;
}

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

    100% {
        transform: translate(50px, 50px);
    }
}

.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 30% 20%,
            rgba(0, 255, 157, 0.08) 0%,
            transparent 50%),
        radial-gradient(ellipse at 70% 80%,
            rgba(255, 0, 102, 0.06) 0%,
            transparent 50%);
    z-index: 0;
    pointer-events: none;
}

/* ==================== APP CONTAINER ==================== */
.app-container {
    position: relative;
    z-index: 1;
    max-width: 1920px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* ==================== NEW NAVIGATION STRUCTURE ==================== */
.main-navigation {
    margin-bottom: var(--spacing-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

/* Primary Navigation Bar - First Row */
.primary-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

/* Logo Styles */
.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    font-size: 40px;
    line-height: 1;
    filter: drop-shadow(0 0 20px var(--color-primary-glow));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        filter: drop-shadow(0 0 20px var(--color-primary-glow));
    }

    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 30px var(--color-primary-glow));
    }
}

.logo-text h1 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 3px;
    background: linear-gradient(135deg, var(--color-primary), #00CCFF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.logo-text span {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

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

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

/* Status Indicator */
.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 255, 157, 0.05);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 8px var(--color-primary);
    }

    50% {
        opacity: 0.6;
        box-shadow: 0 0 4px var(--color-primary);
    }
}

.status-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Mode Tabs Navigation - Second Row */
.mode-tabs-nav {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    flex-wrap: wrap;
}

.mode-tabs-nav.hidden {
    display: none;
}





/* ==================== MODE TABS ==================== */
.mode-tab {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    flex: 0 1 auto;
    min-width: 90px;
}

.mode-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), #00CCFF);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mode-tab:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.mode-tab:hover::before {
    opacity: 0.1;
}

.mode-tab.active {
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.15), rgba(0, 204, 255, 0.15));
    border-color: var(--color-primary);
    color: var(--text-primary);
    box-shadow: 0 0 20px var(--color-primary-glow);
}

.mode-tab.active::before {
    opacity: 0.2;
}

.tab-icon {
    font-size: 20px;
    position: relative;
    z-index: 1;
}

.tab-label {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

.tab-distance {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

.mode-tab.active .tab-distance {
    color: var(--color-primary);
}




/* ==================== MAIN GRID ==================== */
.main-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: var(--spacing-lg);
}

/* ==================== CONTROL PANEL ==================== */
.control-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ==================== CARDS ==================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: rgba(0, 255, 157, 0.2);
}

.card-header {
    margin-bottom: var(--spacing-md);
}

.card-header h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ==================== VEHICLE GRID ==================== */
.vehicle-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.vehicle-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.vehicle-option:hover {
    background: var(--bg-tertiary);
    border-color: rgba(0, 255, 157, 0.3);
    transform: translateX(4px);
}

.vehicle-option.selected {
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.1), rgba(0, 204, 255, 0.1));
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary-glow);
}

.vehicle-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    transition: all 0.3s ease;
}

.vehicle-option.selected .vehicle-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.vehicle-checkbox::after {
    content: '✓';
    color: var(--bg-primary);
    font-size: 14px;
    font-weight: bold;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
}

.vehicle-option.selected .vehicle-checkbox::after {
    opacity: 1;
    transform: scale(1);
}

.vehicle-name {
    flex: 1;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.3px;
}

/* ==================== INPUT FIELDS ==================== */
.input-field {
    margin-bottom: var(--spacing-md);
}

.input-field:last-child {
    margin-bottom: 0;
}

.input-field label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.5px;
}

.label-icon {
    font-size: 16px;
}

.input-with-unit {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: all 0.3s ease;
}

.input-with-unit:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.input-with-unit input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
}

.input-with-unit .unit {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 600;
}

/* ==================== BUTTONS ==================== */
.button-container {
    display: grid;
    gap: var(--spacing-sm);
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #00CCFF);
    color: var(--bg-primary);
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--color-primary-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--color-primary);
}

.btn-icon {
    font-size: 18px;
    position: relative;
    z-index: 1;
}

.btn-text {
    position: relative;
    z-index: 1;
}

/* ==================== RACE CARD ==================== */
.race-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    margin-bottom: var(--spacing-lg);
}

.race-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.race-header h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
}

.race-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat-item {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-item strong {
    color: var(--color-primary);
    font-weight: 700;
    margin-left: 4px;
}

.race-canvas-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    height: 400px;
    position: relative;
}

#raceCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ==================== SPEEDOMETERS ==================== */
.speedometers-section {
    margin-bottom: var(--spacing-lg);
}

.speedometers-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.speedometer-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    text-align: center;
}

.speedometer-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

.speedometer-value {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary), #00CCFF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.speedometer-unit {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 600;
    letter-spacing: 1px;
}

/* ==================== METRICS CARD ==================== */
.metrics-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
}

.metrics-results {
    display: grid;
    gap: var(--spacing-lg);
}

.vehicle-metrics {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.vehicle-metrics-header {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.metric-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.metric-label {
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ==================== MODE-SPECIFIC SETTINGS ==================== */
.mode-settings-card {
    animation: slideInUp 0.3s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1200px) {
    .main-grid {
        grid-template-columns: 1fr;
    }

    .mode-tabs {
        flex-wrap: wrap;
    }

    .app-header {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 768px) {
    .mode-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .tab-icon {
        font-size: 16px;
    }

    .tab-label {
        font-size: 11px;
    }

    .tab-distance {
        font-size: 9px;
    }

    .speedometers-wrapper {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== ENHANCED FEATURES v2.0 ==================== */

/* Scrollable mode tabs */
.mode-tabs {
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 255, 157, 0.3) rgba(255, 255, 255, 0.05);
    padding-bottom: 0.5rem;
}

.mode-tabs::-webkit-scrollbar {
    height: 6px;
}

.mode-tabs::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.mode-tabs::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 157, 0.3);
    border-radius: 3px;
}

.mode-tabs::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 157, 0.5);
}

.mode-tab {
    min-width: 100px;
    flex-shrink: 0;
}

/* Preset buttons for acceleration zone and roll race */
.presets {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid rgba(0, 255, 157, 0.3);
    border-radius: 6px;
    color: var(--color-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-btn:hover {
    background: rgba(0, 255, 157, 0.2);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Info text for dynamic displays */
.info-text {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(0, 255, 157, 0.05);
    border: 1px solid rgba(0, 255, 157, 0.2);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* Split times section */
.splits-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.splits-section h4 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.splits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
}

.split-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 0.75rem;
    text-align: center;
    transition: all 0.2s ease;
}

.split-item:hover {
    background: rgba(0, 255, 157, 0.05);
    border-color: rgba(0, 255, 157, 0.3);
}

.split-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* Keyboard shortcuts help card */
.help-card {
    margin-top: 1rem;
}

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

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
}

kbd {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid rgba(0, 255, 157, 0.3);
    border-radius: 4px;
    color: var(--color-primary);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 40px;
    text-align: center;
}

.shortcut-item span {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Range input styling for custom distance slider */
input[type="range"] {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--color-primary-glow);
    transition: all 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px var(--color-primary-glow);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px var(--color-primary-glow);
    transition: all 0.2s ease;
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px var(--color-primary-glow);
}

/* Enhanced metrics display for lap times */
.vehicle-metrics {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
}

.vehicle-metrics:last-child {
    margin-bottom: 0;
}

.vehicle-metrics-header {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0, 255, 157, 0.2);
}

/* Responsive adjustments for 8 mode tabs */
@media (max-width: 1400px) {
    .mode-tab {
        min-width: 90px;
        padding: 0.6rem 0.8rem;
    }

    .tab-icon {
        font-size: 1.1rem;
    }

    .tab-label {
        font-size: 0.65rem;
    }
}

@media (max-width: 1200px) {
    .mode-tabs {
        justify-content: flex-start;
    }

    .mode-tab {
        min-width: 85px;
    }
}

@media (max-width: 768px) {
    .mode-tabs {
        gap: 0.35rem;
    }

    .mode-tab {
        min-width: 75px;
        padding: 0.5rem 0.6rem;
    }

    .tab-icon {
        font-size: 1rem;
    }

    .tab-label {
        font-size: 0.6rem;
    }

    .tab-distance {
        font-size: 0.55rem;
    }

    .splits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== HEADER NAVIGATION LINKS ==================== */
.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-right: 2rem;
}

.header-nav-link {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.header-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

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

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

.header-right {
    display: flex;
    align-items: center;
}

@media (max-width: 1200px) {
    .header-nav {
        gap: 1rem;
        margin-right: 1rem;
    }

    .header-nav-link {
        font-size: 0.65rem;
    }
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }
}

/* ==========================================
   VEHICLE TUNING PANEL STYLES
   ========================================== */

.tuning-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    background: var(--bg-card);
    border: 2px solid var(--color-primary);
    border-radius: 16px;
    box-shadow: 0 20px 80px rgba(0, 255, 157, 0.3);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: tuningPanelSlideIn 0.3s ease-out;
}

@keyframes tuningPanelSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -45%);
    }

    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* Header */
.tuning-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.1), rgba(0, 204, 255, 0.1));
}

.tuning-header h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-primary);
    margin: 0;
}

.btn-close-tuning {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close-tuning:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
    transform: rotate(90deg);
}

/* Tabs */
.tuning-tabs {
    display: flex;
    gap: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.tuning-tab {
    flex: 1;
    min-width: 120px;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tuning-tab:hover {
    background: rgba(0, 255, 157, 0.05);
    color: var(--text-primary);
}

.tuning-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: rgba(0, 255, 157, 0.1);
}

/* Content Area */
.tuning-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.tuning-tab-content {
    display: none;
}

.tuning-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tuning-tab-content h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

/* Tuning Options (Radio Groups) */
.tuning-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tuning-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tuning-option:hover {
    background: var(--bg-tertiary);
    border-color: rgba(0, 255, 157, 0.3);
    transform: translateX(4px);
}

.tuning-option.checked {
    background: linear-gradient(135deg, rgba(0, 255, 157, 0.15), rgba(0, 204, 255, 0.15));
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary-glow);
}

.tuning-option input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.option-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.option-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.option-details {
    font-size: 12px;
    color: var(--text-tertiary);
}

.tuning-option.checked .option-name {
    color: var(--color-primary);
}

.tuning-option.checked .option-details {
    color: var(--text-secondary);
}

/* Sliders */
.tuning-slider {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 12px;
}

.tuning-slider label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.tuning-slider input[type="range"] {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.tuning-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--color-primary-glow);
}

.tuning-slider input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px var(--color-primary-glow);
}

.slider-value {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    text-align: right;
}

/* Checkboxes */
.tuning-checkbox {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 12px;
    margin: var(--spacing-md) 0;
}

.tuning-checkbox label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
}

.tuning-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* Footer */
.tuning-footer {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.tuning-footer .btn {
    flex: 1;
}

/* Overlay */
.tuning-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 9999;
    animation: fadeIn 0.3s ease-out;
}

/* Tuning Button in Vehicle Selection */
.vehicle-tune-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: var(--bg-dark);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.vehicle-option:hover .vehicle-tune-btn {
    opacity: 1;
}

.vehicle-tune-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--color-primary-glow);
}

/* Tune Indicator */
.tune-indicator {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--bg-dark);
    border-radius: 50%;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px var(--color-primary-glow);
    animation: pulseIndicator 2s ease-in-out infinite;
    z-index: 10;
}

@keyframes pulseIndicator {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* Notifications */
.tuning-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    z-index: 20000;
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.3s ease;
}

.tuning-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.tuning-notification-success {
    border-color: var(--color-primary);
    box-shadow: 0 10px 40px var(--color-primary-glow);
}

.tuning-notification-info {
    border-color: var(--color-secondary);
    box-shadow: 0 10px 40px rgba(0, 204, 255, 0.3);
}

.tuning-notification-error {
    border-color: #ff4444;
    box-shadow: 0 10px 40px rgba(255, 68, 68, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .tuning-panel {
        width: 95%;
        max-height: 90vh;
    }

    .tuning-tabs {
        overflow-x: scroll;
    }

    .tuning-tab {
        font-size: 11px;
        padding: var(--spacing-sm);
        min-width: 90px;
    }

    .tuning-footer {
        flex-direction: column;
    }

    .tuning-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

/* ==========================================
   TUNED VEHICLE INDICATORS
   ========================================== */

.vehicle-tuned {
    border-color: var(--color-primary);
    box-shadow: 0 0 20px var(--color-primary-glow);
}

.vehicle-tuned::before {
    content: '⚡';
    position: absolute;
    top: 8px;
    left: 8px;
    font-size: 18px;
    animation: tuneGlow 2s ease-in-out infinite;
    z-index: 10;
}

@keyframes tuneGlow {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Tuning stats in metrics */
.tuning-stats {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: rgba(0, 255, 157, 0.05);
    border-left: 3px solid var(--color-primary);
    border-radius: 8px;
}

.tuning-stats h5 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tuning-stats ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.tuning-stats li {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 4px 0;
    border-bottom: 1px solid var(--border-color);
}

.tuning-stats li:last-child {
    border-bottom: none;
}