:root {
    --primary-red: #B91C1C;
    --primary-red-hover: #991b1b;
    --bg-dark: #121212;
    --bg-surface: #1e1e1e;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --border-color: #374151;
}

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

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

/* Cards & Forms */
.card {
    background: var(--bg-surface);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input[type="text"],
select,
input[type="file"] {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-main);
    box-sizing: border-box;
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

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

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

.hidden {
    display: none !important;
}

/* Grid */
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.header-row input {
    width: 300px;
}

.driver-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.driver-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.driver-card h3 {
    margin: 0 0 0.5rem 0;
    color: var(--primary-red);
}

.driver-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    background: #374151;
    color: white;
    margin-right: 5px;
}