:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --text-main: #c9d1d9;
    --text-muted: #8b949e;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --warning: #f59e0b;
    --warning-hover: #d97706;
    --locked: #8b949e;
    --border: #30363d;
    --nav-bg: #010409;
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--nav-bg);
    border-bottom: 1px solid var(--border);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 600;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h2 {
    font-size: 2rem;
    color: #fff;
}

/* Map */
.map-container {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
    overflow: hidden;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.car-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.car-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

.car-card.locked {
    border-color: rgba(245, 158, 11, 0.4);
}

.car-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.car-header h3 {
    margin: 0;
    color: #fff;
    font-size: 1.25rem;
}

.vin {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: monospace;
}

.car-body {
    padding: 1.5rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    align-items: center;
}

.stat-row:last-child {
    margin-bottom: 0;
}

.label {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
}

.value {
    color: var(--text-main);
    font-weight: 600;
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-live {
    background-color: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-locked {
    background-color: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Forms & Buttons */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-weight: 600;
}

input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: #fff;
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus {
    outline: none;
    border-color: var(--primary);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

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

.btn-secondary {
    background-color: var(--border);
    color: #fff;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover {
    background-color: var(--danger-hover);
}

.btn-warning {
    background-color: var(--warning);
    color: white;
}

.btn-warning:hover {
    background-color: var(--warning-hover);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.875rem;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

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

/* Login */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.login-card {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.login-card h2 {
    color: #fff;
    margin-bottom: 0.5rem;
}

.login-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Admin */
.admin-section {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.admin-section h3 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

.admin-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.admin-car-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-car-item {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg-color);
}

.admin-car-item .car-info {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
}

.admin-car-item .car-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.lock-status {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: rgba(245, 158, 11, 0.1);
    border-left: 4px solid var(--warning);
    color: var(--warning);
    font-size: 0.9rem;
    border-radius: 4px;
}

.no-data {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: 1rem 0;
}