/* F1-Dash - Modern F1 Dashboard Theme */

@import url('https://fonts.googleapis.com/css2?family=Titillium+Web:wght@400;600;700&display=swap');

:root {
    /* F1-inspired color palette */
    --color-bg: #15151e;
    --color-bg-secondary: #1e1e2d;
    --color-bg-card: #252536;
    --color-bg-elevated: #2d2d42;

    /* Brand colors */
    --color-primary: #e10600;  /* F1 Red */
    --color-secondary: #1e1e2d;
    --color-accent: #00d2be;   /* Mercedes teal - good contrast */
    --color-accent-alt: #ff8700; /* McLaren orange */

    /* Text colors */
    --color-text: #ffffff;
    --color-text-secondary: #b8b8c8;
    --color-text-muted: #6b6b80;

    /* Border and dividers */
    --color-border: #3a3a50;
    --color-border-light: #4a4a60;

    /* Status colors */
    --color-success: #00d26a;
    --color-warning: #ff8700;
    --color-error: #e10600;

    /* Tire compound colors */
    --compound-soft: #ff3333;
    --compound-medium: #ffd700;
    --compound-hard: #f0f0f0;
    --compound-intermediate: #43b02a;
    --compound-wet: #0072c6;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Typography */
    --font-family: 'Titillium Web', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-md: 15px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.app-header {
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.app-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.title-f1 {
    color: var(--color-primary);
    text-shadow: 0 0 20px rgba(225, 6, 0, 0.4);
}

.title-dash {
    color: var(--color-text);
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--color-bg-card);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
}

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

.nav-link.active {
    color: var(--color-text);
    background: var(--color-primary);
    box-shadow: 0 0 15px rgba(225, 6, 0, 0.3);
}

/* Main Content */
.app-main {
    max-width: 1800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Controls Section */
.controls-section {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.session-selector {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    flex-wrap: wrap;
}

.select-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.select-group label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.select-input {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-md);
    font-family: var(--font-family);
    min-width: 200px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.select-input:hover:not(:disabled) {
    border-color: var(--color-border-light);
}

.select-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 210, 190, 0.15);
}

.select-input:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 600;
    font-family: var(--font-family);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #c00500 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(225, 6, 0, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(225, 6, 0, 0.4);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--color-border);
    border-color: var(--color-border-light);
}

/* Chart Sections */
.chart-section {
    display: none;
}

.chart-section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
}

.section-header h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section-header h3 {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    font-weight: 600;
    margin-top: var(--spacing-lg);
}

.chart-controls {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-end;
    flex-wrap: wrap;
}

/* Chart Container */
.chart-container {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.chart-container h3 {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.chart {
    width: 100%;
    min-height: 400px;
    position: relative;
}

/* Driver Filter */
.driver-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.driver-filter > label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 600;
}

.checkbox-group {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.driver-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.driver-checkbox:hover {
    border-color: var(--color-border);
}

.driver-checkbox input {
    cursor: pointer;
    accent-color: var(--color-accent);
}

.driver-checkbox .color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

/* Toggle Group */
.toggle-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toggle-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.toggle-group input[type="checkbox"] {
    accent-color: var(--color-accent);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(21, 21, 30, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.loading-overlay.hidden {
    display: none;
}

.loading-overlay p {
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
    font-weight: 600;
}

.loading-spinner {
    width: 56px;
    height: 56px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Footer */
.app-footer {
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-2xl);
    background: var(--color-bg-secondary);
}

.footer-content {
    max-width: 1800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-left p {
    margin: 0;
}

.footer-left a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
}

.footer-left a:hover {
    text-decoration: underline;
}

.footer-right {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-text);
    border-color: var(--color-border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.footer-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.footer-link.bmc-link:hover {
    border-color: #ffdd00;
    color: #ffdd00;
}

.footer-link.bmc-link:hover .footer-icon {
    color: #ffdd00;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-right {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Table Container */
.table-container {
    max-height: 500px;
    overflow-y: auto;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table th,
.data-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
    font-weight: 600;
    position: sticky;
    top: 0;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--color-bg-elevated);
}

/* Lap Table */
.lap-table-wrapper {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.lap-table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.driver-filter-select {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.driver-filter-select label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.lap-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.lap-table th,
.lap-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.lap-table th {
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
    font-weight: 600;
    position: sticky;
    top: 0;
    cursor: pointer;
    user-select: none;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.5px;
}

.lap-table th:hover {
    background: var(--color-border);
}

.lap-table th .sort-indicator {
    margin-left: var(--spacing-xs);
    color: var(--color-accent);
}

.lap-row {
    cursor: pointer;
    transition: background var(--transition-fast);
}

.lap-row:hover {
    background: var(--color-bg-elevated);
}

.lap-row.personal-best .td-lap-time {
    color: var(--color-accent);
    font-weight: 700;
}

.lap-row.fastest-lap {
    background: rgba(225, 6, 0, 0.1);
}

.lap-row.fastest-lap .td-lap-time {
    color: var(--color-primary);
    font-weight: 700;
}

.lap-row.invalid-lap {
    opacity: 0.5;
}

.td-delta.delta-slower {
    color: var(--color-primary);
}

.td-delta.delta-zero {
    color: var(--color-accent);
    font-weight: 600;
}

.compound-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-weight: 700;
    font-size: 11px;
    color: var(--color-bg);
}

.td-select {
    width: 30px;
}

.lap-checkbox {
    cursor: pointer;
    accent-color: var(--color-accent);
}

/* Telemetry Grid Layout */
.telemetry-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.telemetry-main {
    min-height: 500px;
}

.telemetry-side {
    min-height: 400px;
}

.chart-tall {
    min-height: 450px;
}

.chart-square {
    min-height: 350px;
    aspect-ratio: 1;
}

/* Track Map Styles */
.track-outline {
    fill: none;
}

.track-center {
    fill: none;
}

.turn-marker {
    cursor: pointer;
}

.lap-trace {
    fill: none;
}

/* URL notification */
.url-notification {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.url-notification.hidden {
    display: none;
}

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

.url-notification button {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
}

.url-notification button:hover {
    color: var(--color-text);
}

/* Predictions Section */
.prediction-info {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-elevated) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
}

.prediction-info p {
    color: var(--color-text-secondary);
    margin: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.model-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-bg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-text-muted);
}

.status-indicator.ready {
    background: var(--color-success);
    box-shadow: 0 0 10px rgba(0, 210, 106, 0.5);
}

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

.prediction-table-container {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    margin-top: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

.prediction-table-container h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
}

/* Prediction table accuracy classes */
.data-table td.exact {
    color: var(--color-success);
    font-weight: 700;
}

.data-table td.close {
    color: var(--color-warning);
}

.data-table td.far {
    color: var(--color-error);
}

/* Metrics summary box */
.metrics-summary-box {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.metrics-summary-box h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    font-size: var(--font-size-md);
    font-weight: 600;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-lg);
}

.metric {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.metric-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.metric-value.success {
    color: var(--color-success);
}

.metric-value.fail {
    color: var(--color-error);
}

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

@media (max-width: 768px) {
    .app-header {
        padding: var(--spacing-md);
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .app-main {
        padding: var(--spacing-md);
    }

    .session-selector {
        flex-direction: column;
        align-items: stretch;
    }

    .select-input {
        width: 100%;
        min-width: auto;
    }

    .chart-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .lap-table-controls {
        flex-direction: column;
        align-items: stretch;
    }

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

    .section-header {
        flex-direction: column;
    }

    .section-header h2 {
        font-size: var(--font-size-lg);
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-light);
}

/* Selection styling */
::selection {
    background: rgba(225, 6, 0, 0.3);
    color: var(--color-text);
}