.tritium-booking-wrapper {
    max-width: 600px;
    margin: 2rem auto;
    font-family: 'Inter', sans-serif;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    color: #333;
}

.tritium-form h3 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: #1a1a1a;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 0.5rem;
}

.tritium-field-group {
    margin-bottom: 1.25rem;
}

.tritium-field-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.tritium-field-group input, 
.tritium-field-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.tritium-field-group input:focus, 
.tritium-field-group select:focus {
    border-color: #8b0000; /* Color vino Tritium */
    outline: none;
}

.tritium-row {
    display: flex;
    gap: 1rem;
}

.tritium-row .tritium-field-group {
    flex: 1;
}

.tritium-grid-shifts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.tritium-shift-btn {
    padding: 0.75rem;
    border: 1px solid #ddd;
    background: #f9f9f9;
    border-radius: 6px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
    font-weight: 500;
}

.tritium-shift-btn:hover:not(.disabled) {
    background: #eee;
}

.tritium-shift-btn.selected {
    background: #8b0000;
    color: #fff;
    border-color: #8b0000;
}

.tritium-shift-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #f0f0f0;
    text-decoration: line-through;
}

.tritium-price-summary {
    background: #fdf2f2;
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1.5rem 0;
    font-weight: 700;
    font-size: 1.1rem;
    color: #8b0000;
}

.tritium-btn {
    width: 100%;
    padding: 1rem;
    background: #8b0000;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.tritium-btn:hover {
    background: #660000;
}

.tritium-alert {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
}

.tritium-alert.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.tritium-alert.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 480px) {
    .tritium-row {
        flex-direction: column;
        gap: 0;
    }
}