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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    text-align: center;
}

header h1 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 2.5em;
}

nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

nav a {
    padding: 12px 24px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
}

nav a:hover, nav a.active {
    background: #2980b9;
    transform: translateY(-2px);
}

.registration-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 0 auto;
}

.registration-form h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2em;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

input, textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e8ed;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
}

input:focus, textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.car-choices {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.car-choices label {
    display: flex;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.car-choices label:hover {
    background: #e3f2fd;
    border-color: #3498db;
}

.car-choices input[type="radio"] {
    width: auto;
    margin-right: 10px;
}

button {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(39, 174, 96, 0.4);
}

.success-message {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    margin-top: 20px;
}

.display-board {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.status-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.status-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.status-card h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.5em;
}

.queue-count {
    font-size: 4em;
    font-weight: bold;
    color: #e74c3c;
    margin-bottom: 10px;
    font-family: 'Courier New', monospace;
}

.current-driver {
    font-size: 1.2em;
    color: #27ae60;
    font-weight: 500;
}

.admin-panel, .drivers-list {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.table-container {
    overflow-x: auto;
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #555;
}

tr:hover {
    background: #f8f9fa;
}

.export-btn {
    background: #9b59b6;
    padding: 10px 20px;
    margin: 10px 5px;
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .car-choices {
        grid-template-columns: 1fr;
    }
}