:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --light: #ecf0f1;
    --dark: #34495e;
}

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

.rental-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.rental-header {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.rental-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.rental-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

.rental-form-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.form-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #eaeaea;
}

.form-section h2 {
    color: var(--primary);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--light);
    font-size: 1.5rem;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.form-control:focus {
    border-color: var(--secondary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    background-color: white;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    background-color: var(--secondary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
}

.btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
}

.btn-block {
    display: block;
    width: 100%;
}

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

.btn-success:hover {
    background-color: #219653;
}

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

.calendar-container {
    margin-top: 40px;
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.calendar-header h2 {
    color: var(--primary);
    margin: 0;
}

.calendar-nav {
    display: flex;
    gap: 10px;
}

.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day {
    padding: 12px 8px;
    text-align: center;
    border-radius: 8px;
    background-color: white;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.calendar-day.header {
    background-color: var(--primary);
    color: white;
    font-weight: bold;
    min-height: auto;
    padding: 12px 8px;
}

.calendar-day.available {
    background-color: rgba(39, 174, 96, 0.1);
    border: 2px solid var(--success);
    cursor: pointer;
}

.calendar-day.available:hover {
    background-color: rgba(39, 174, 96, 0.2);
    transform: scale(1.05);
}

.calendar-day.unavailable {
    background-color: rgba(231, 76, 60, 0.1);
    border: 2px solid var(--danger);
    color: #999;
}

.calendar-day.today {
    border: 2px solid var(--warning);
    background-color: rgba(243, 156, 18, 0.1);
}

.day-number {
    font-weight: bold;
    font-size: 1.1rem;
}

.availability-status {
    font-size: 0.75rem;
    margin-top: 5px;
    font-weight: 600;
}

.vehicle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.vehicle-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #eaeaea;
}

.vehicle-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.vehicle-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.vehicle-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.1);
}

.vehicle-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vehicle-details {
    padding: 25px;
}

.vehicle-name {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--primary);
}

.vehicle-description {
    color: #666;
    margin-bottom: 15px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.vehicle-features {
    list-style: none;
    margin-bottom: 20px;
}

.vehicle-features li {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    padding-left: 20px;
}

.vehicle-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.vehicle-features li:last-child {
    border-bottom: none;
}

.vehicle-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--success);
    margin-bottom: 20px;
    text-align: center;
}

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

.alert-success {
    background-color: rgba(39, 174, 96, 0.1);
    border-color: var(--success);
    color: #155724;
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: var(--danger);
    color: #721c24;
}

.hidden {
    display: none;
}

.extras-section {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 2px solid #f0f0f0;
}

.extras-section h3 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.extra-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s ease;
}

.extra-option:hover {
    background-color: #f8f9fa;
    border-radius: 5px;
    padding-left: 10px;
    padding-right: 10px;
}

.extra-option:last-child {
    border-bottom: none;
}

.checkbox-container {
    display: flex;
    align-items: center;
    flex-grow: 1;
}

.checkbox-container input {
    margin-right: 12px;
    transform: scale(1.2);
}

.checkbox-container label {
    margin: 0;
    cursor: pointer;
    font-weight: 500;
}

.extra-price {
    font-weight: 600;
    color: var(--success);
    white-space: nowrap;
}

.summary-section {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin-top: 25px;
    border: 1px solid #e9ecef;
}

.summary-section h3 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #dee2e6;
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-total {
    border-top: 2px solid #dee2e6;
    margin-top: 15px;
    padding-top: 15px;
    font-weight: bold;
    font-size: 1.3rem;
    color: var(--primary);
}

/* Estados de carga */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 1024px) {
    .rental-form-container {
        gap: 20px;
    }
    
    .vehicle-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .rental-container {
        padding: 15px;
    }
    
    .rental-header {
        padding: 20px 15px;
    }
    
    .rental-header h1 {
        font-size: 2rem;
    }
    
    .rental-form-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-section {
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .calendar-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .calendar-nav {
        justify-content: center;
        margin-top: 10px;
    }
    
    .vehicle-grid {
        grid-template-columns: 1fr;
    }
    
    .calendar-day {
        min-height: 60px;
        padding: 8px 4px;
    }
    
    .day-number {
        font-size: 1rem;
    }
    
    .availability-status {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .rental-header h1 {
        font-size: 1.8rem;
    }
    
    .rental-header p {
        font-size: 1rem;
    }
    
    .form-section {
        padding: 15px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    .calendar-day {
        min-height: 50px;
        padding: 6px 2px;
    }
    
    .day-number {
        font-size: 0.9rem;
    }
}

/* Estilos para el widget del sidebar */
.rental-widget-form .rental-container {
    padding: 0;
}

.rental-widget-form .rental-header {
    margin-bottom: 20px;
    padding: 20px 15px;
}

.rental-widget-form .rental-header h1 {
    font-size: 1.5rem;
}

.rental-widget-form .rental-form-container {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.rental-widget-form .vehicle-grid {
    grid-template-columns: 1fr;
}

/* Estilos para el admin */
.status-pending {
    color: #f39c12;
    font-weight: 600;
}

.status-confirmed {
    color: #27ae60;
    font-weight: 600;
}

.status-cancelled {
    color: #e74c3c;
    font-weight: 600;
}