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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        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: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.header h1 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 2.5rem;
    font-weight: 700;
}

.header p {
    color: #7f8c8d;
    font-size: 1.1rem;
}

.nav {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.nav a {
    color: #3498db;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav a:hover {
    background: #3498db;
    color: white;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    margin-top: 20px;
}

.nav-section {
    flex: 1;
}

.tesla-status {
    min-width: 300px;
    background: #f8f9fa;
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.tesla-status h4 {
    margin: 0 0 10px 0;
    font-size: 1rem;
    color: #2c3e50;
}

.content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background: #d4edda;
    border-left-color: #28a745;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border-left-color: #dc3545;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border-left-color: #ffc107;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-left-color: #17a2b8;
    color: #0c5460;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.btn-success {
    background: #27ae60;
}

.btn-success:hover {
    background: #229954;
}

.btn-danger {
    background: #e74c3c;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-warning {
    background: #f39c12;
}

.btn-warning:hover {
    background: #e67e22;
}

.btn-info {
    background: #3498db;
}

.btn-info:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #95a5a6;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-primary {
    background: #3498db;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #2c3e50;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #3498db;
}

.card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid #e9ecef;
}

.card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.card h4 {
    color: #34495e;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #fefefe;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid #ddd;
    text-align: right;
}

.modal-footer button {
    margin-left: 10px;
}

.modal-close {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.modal-close:hover,
.modal-close:focus {
    color: #000;
}