:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a25;
    --bg-card-hover: #22222f;
    --bg-input: #14141e;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --text-primary: #f0f0f5;
    --text-secondary: #b0b0bf;
    --text-muted: #7a7a8f;
    --accent: #e82127;
    --accent-glow: rgba(232, 33, 39, 0.15);
    --blue: #3b82f6;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.site-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: var(--accent);
    border-radius: 8px;
    color: #fff;
    font-size: 1.1rem;
}

.logo-text {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-tagline {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* ============================================================ Main */

.main-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 2rem 3rem;
}

/* ============================================================ Stats */

.stats-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: border-color var(--transition), background var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--accent-glow);
    color: var(--accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.stat-icon--accent {
    background: rgba(59, 130, 246, 0.12);
    color: var(--blue);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================================ Filters */

.filters-section {
    margin-bottom: 1.5rem;
}

.filters-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex: 1;
    min-width: 140px;
}

.filter-group label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.filter-input {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

select.filter-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%235a5a6a' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

.filter-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.filter-input::placeholder {
    color: var(--text-muted);
}

.filter-group--action {
    flex: 0 0 auto;
    min-width: auto;
}

.btn-reset {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-reset:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

/* ============================================================ Tabs */

.content-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.view-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.25rem;
}

.view-tab {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    padding: 0.85rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.view-tab:hover {
    color: var(--text-secondary);
}

.view-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

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

.table-wrapper {
    padding: 0;
    overflow-x: auto;
}

.table,
table.dataTable {
    color: var(--text-primary) !important;
    margin: 0 !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
    background: transparent !important;
}

.table thead th,
table.dataTable thead th,
table.dataTable thead td {
    background: rgba(255, 255, 255, 0.04) !important;
    border-bottom: 1px solid var(--border-color) !important;
    border-top: none !important;
    color: var(--text-secondary) !important;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.85rem 1rem !important;
    white-space: nowrap;
}

.table tbody tr,
table.dataTable tbody tr {
    background: var(--bg-card) !important;
    transition: background var(--transition);
}

.table tbody tr:nth-child(even),
table.dataTable tbody tr:nth-child(even) {
    background: var(--bg-secondary) !important;
}

.table tbody tr:hover,
table.dataTable tbody tr:hover {
    background: var(--bg-card-hover) !important;
}

.table tbody td,
table.dataTable tbody td {
    border-bottom: 1px solid var(--border-color) !important;
    border-top: none !important;
    padding: 0.75rem 1rem !important;
    font-size: 0.85rem;
    vertical-align: middle;
    color: var(--text-primary) !important;
    background: transparent !important;
}

.table tbody tr:hover td,
table.dataTable tbody tr:hover td {
    color: var(--text-primary) !important;
}

table.dataTable.stripe > tbody > tr.odd > *,
table.dataTable.stripe > tbody > tr.even > *,
table.dataTable.display > tbody > tr.odd > *,
table.dataTable.display > tbody > tr.even > *,
table.dataTable > tbody > tr {
    box-shadow: none !important;
}

.badge-hw4 {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.12);
    color: var(--blue);
    letter-spacing: 0.02em;
}

.badge-hw3 {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.btn-view {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-view:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.vehicle-title {
    color: var(--text-primary);
    font-weight: 500;
}

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

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

.vin-text {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================================ DataTables Overrides */

.dataTables_wrapper {
    padding: 0 1.25rem 1.25rem;
    background: transparent !important;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    color: var(--text-muted) !important;
    font-size: 0.8rem;
    padding-top: 0.75rem;
}

.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label {
    color: var(--text-muted) !important;
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--text-primary) !important;
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
    outline: none;
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 2px var(--accent-glow) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text-muted) !important;
    background: transparent !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px !important;
    margin: 0 2px;
    padding: 0.3rem 0.65rem !important;
    font-size: 0.8rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    color: var(--text-primary) !important;
    background: var(--bg-card-hover) !important;
    border-color: var(--border-hover) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    color: #fff !important;
    background: var(--accent) !important;
    border-color: var(--accent) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
    opacity: 0.3;
    background: transparent !important;
}

table.dataTable thead .sorting::before,
table.dataTable thead .sorting::after,
table.dataTable thead .sorting_asc::before,
table.dataTable thead .sorting_asc::after,
table.dataTable thead .sorting_desc::before,
table.dataTable thead .sorting_desc::after {
    opacity: 0.3;
}

table.dataTable thead .sorting_asc::after,
table.dataTable thead .sorting_desc::after {
    opacity: 0.8;
}

table.dataTable.no-footer {
    border-bottom: 1px solid var(--border-color) !important;
}

div.dataTables_wrapper div.dataTables_processing {
    background: var(--bg-card) !important;
    color: var(--text-muted) !important;
}

/* ============================================================ Map */

#tab-map {
    position: relative;
}

#map {
    height: 600px;
    border-radius: 0;
}

.leaflet-popup-content-wrapper {
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.leaflet-popup-tip {
    background: var(--bg-card);
}

.leaflet-popup-content a {
    color: var(--accent);
}

/* ============================================================ Loading */

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    gap: 1rem;
    color: var(--text-muted);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

#map-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.75);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-muted);
    z-index: 800;
    font-size: 0.85rem;
    backdrop-filter: blur(2px);
}

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

@media (max-width: 1024px) {
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: 0 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .header-tagline {
        display: none;
    }

    .stats-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .stat-card {
        padding: 0.85rem;
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .filters-bar {
        flex-direction: column;
        gap: 0.75rem;
    }

    .filter-group {
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .stats-section {
        grid-template-columns: 1fr 1fr;
    }

    .stat-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}