/* ============================================
   Theme Variables - Matching PaperMod Theme
   ============================================ */

:root {
    /* Spacing */
    --gap: 24px;
    --content-gap: 20px;
    --radius: 8px;

    /* Light Mode Colours */
    --theme: rgb(255, 255, 255);
    --entry: rgb(255, 255, 255);
    --primary: rgb(30, 30, 30);
    --secondary: rgb(108, 108, 108);
    --tertiary: rgb(214, 214, 214);
    --content: rgb(31, 31, 31);
    --code-bg: rgb(245, 245, 245);
    --border: rgb(238, 238, 238);

    /* Chart colours */
    --chart-primary: rgb(59, 130, 246);
    --chart-secondary: rgb(16, 185, 129);
    --chart-tertiary: rgb(245, 158, 11);
}

body.dark {
    /* Dark Mode Colours */
    --theme: rgb(29, 30, 32);
    --entry: rgb(46, 46, 51);
    --primary: rgb(218, 218, 219);
    --secondary: rgb(155, 156, 157);
    --tertiary: rgb(65, 66, 68);
    --content: rgb(196, 196, 197);
    --code-bg: rgb(55, 56, 62);
    --border: rgb(51, 51, 51);
}

/* ============================================
   Base Styles
   ============================================ */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu,
                 Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--theme);
    color: var(--primary);
    line-height: 1.6;
    padding: var(--gap);
}

.container {
    max-width: 1024px;
    margin: 0 auto;
}

/* ============================================
   Header
   ============================================ */

.header {
    margin-bottom: var(--gap);
    padding-bottom: var(--content-gap);
    border-bottom: 1px solid var(--border);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.vehicle-info {
    font-size: 1.1rem;
    color: var(--secondary);
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--primary);
    min-width: 40px;
    min-height: 40px;
}

.theme-toggle:hover {
    background-color: var(--code-bg);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.sun-icon {
    display: none;
}

.moon-icon {
    display: block;
}

body.dark .sun-icon {
    display: block;
}

body.dark .moon-icon {
    display: none;
}

/* ============================================
   Statistics Cards
   ============================================ */

.stats-section {
    margin-bottom: calc(var(--gap) * 1.5);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--content-gap);
}

.stat-card {
    background-color: var(--entry);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--content-gap);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-unit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--secondary);
    margin-left: 0.25rem;
}

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

.stat-unit-small {
    font-size: 0.85rem;
    color: var(--secondary);
    margin-left: 0.25rem;
}

/* ============================================
   Charts
   ============================================ */

.charts-section {
    margin-bottom: calc(var(--gap) * 1.5);
}

.chart-container {
    background-color: var(--entry);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--content-gap);
    margin-bottom: var(--gap);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--content-gap);
}

canvas {
    max-width: 100%;
    height: auto;
}

/* ============================================
   Data Table
   ============================================ */

.data-section {
    margin-bottom: var(--gap);
}

.data-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--content-gap);
    flex-wrap: wrap;
    gap: 1rem;
}

.btn {
    background-color: var(--primary);
    color: var(--theme);
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.btn:hover {
    opacity: 0.85;
}

.btn:active {
    opacity: 0.7;
}

.data-table-container {
    background-color: var(--entry);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.data-table-container.hidden {
    display: none;
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    background-color: var(--code-bg);
    color: var(--primary);
    font-weight: 600;
    text-align: left;
    padding: 0.75rem;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    color: var(--content);
}

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

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   Footer
   ============================================ */

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

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .header-content {
        align-items: center;
    }

    .title {
        font-size: 1.5rem;
    }

    .vehicle-info {
        font-size: 1rem;
    }

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

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

    .btn {
        width: 100%;
    }

    .data-table {
        font-size: 0.8rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .stat-value {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.1rem;
    }
}