/* Tour Booking Form Styles - Modern Design */

.booking-tour {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 30px;
    background: #f9fafb;
    border-radius: 0;
}

.booking-tour .row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

.booking-tour .col-sm-3,
.booking-tour .col-sm-4,
.booking-tour .col-sm-6,
.booking-tour .col-sm-12 {
    padding: 0 10px;
    margin-bottom: 30px;
}

.booking-tour .col-sm-3 {
    flex: 0 0 25%;
    max-width: 25%;
}

.booking-tour .col-sm-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

.booking-tour .col-sm-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.booking-tour .col-sm-12 {
    flex: 0 0 100%;
    max-width: 100%;
}

.booking-tour label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #1f2937;
    font-size: 15px;
    line-height: 1.4;
}

.booking-tour label .required {
    color: #ef4444;
    margin-left: 2px;
    font-size: 16px;
}

.booking-tour input[type="text"],
.booking-tour input[type="email"],
.booking-tour input[type="tel"],
.booking-tour input[type="number"],
.booking-tour input[type="date"],
.booking-tour select,
.booking-tour textarea {
    width: 100%;
    padding: 16px 18px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    font-size: 15px;
    color: #6b7280;
    background: #ffffff;
    transition: all 0.2s ease;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.booking-tour input::placeholder,
.booking-tour textarea::placeholder {
    color: #9ca3af;
    font-size: 15px;
}

.booking-tour input:focus,
.booking-tour select:focus,
.booking-tour textarea:focus {
    outline: none;
    border-color: #3b82f6;
    background: #ffffff;
    color: #1f2937;
}

.booking-tour select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 40px;
}

.booking-tour select option:first-child {
    color: #9ca3af;
}

.booking-tour textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

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

.booking-tour .btn-booking {
    background: #3b82f6;
    color: #ffffff;
    padding: 16px 48px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.booking-tour .btn-booking:hover {
    background: #2563eb;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

.booking-tour .btn-booking:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.booking-tour .btn-booking:disabled {
    background: #9ca3af;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.tbf-message {
    margin-top: 25px;
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 15px;
    text-align: center;
    font-weight: 500;
}

.tbf-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.tbf-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Responsive Design */
@media (max-width: 768px) {
    .booking-tour {
        padding: 30px 20px;
    }
    
    .booking-tour .col-sm-3,
    .booking-tour .col-sm-4,
    .booking-tour .col-sm-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .booking-tour .btn-booking {
        width: 100%;
        padding: 16px 24px;
    }
}

/* Loading State */
.booking-tour.loading {
    position: relative;
    opacity: 0.7;
    pointer-events: none;
}

.booking-tour.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid #e5e7eb;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Input validation states */
.booking-tour input.error,
.booking-tour select.error,
.booking-tour textarea.error {
    border-color: #ef4444;
}

.booking-tour input.success,
.booking-tour select.success,
.booking-tour textarea.success {
    border-color: #10b981;
}