body {
    font-family: 'Inter', sans-serif;
    background-color: #f4f5f7;
}

.booking-header {
    background: linear-gradient(135deg, #111 0%, #333 100%);
    margin-bottom: -50px;
    padding-bottom: 80px !important;
}

.card {
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.05) !important;
}

.form-control, .form-select {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.form-control:focus, .form-select:focus {
    border-color: #111;
    box-shadow: 0 0 0 0.25rem rgba(17, 17, 17, 0.1);
}

.slots-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.slot-btn {
    padding: 15px 10px;
    border: 2px solid #e9ecef;
    background: #fff;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    color: #495057;
}

.slot-btn:hover:not(.disabled) {
    border-color: #111;
    background: #f8f9fa;
    transform: translateY(-2px);
}

.slot-btn.selected {
    background: #111;
    color: #fff;
    border-color: #111;
    transform: scale(1.05);
}
.slot-btn.disabled {
    background: #e9ecef;
    color: #adb5bd;
    cursor: not-allowed;
    text-decoration: line-through;
}