/* Travel Itinerary Interface Styles */
.travel-itinerary-interface {
    --primary-color: #2563EB;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --background-color: #F8FAFC;
    --border-color: #E2E8F0;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
}

.travel-itinerary-container {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.travel-itinerary-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.08)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.06)"/></svg>');
    pointer-events: none;
}

.travel-itinerary-header {
    position: relative;
    z-index: 1;
}

.travel-itinerary-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.travel-itinerary-description {
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.6;
}

/* Form Field Groups */
.travel-info-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.travel-info-section h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.travel-dates-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.travel-preferences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

/* Interactive Elements */
.travel-type-selector {
    position: relative;
}

.travel-type-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.travel-type-tag {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.travel-type-tag:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.travel-type-tag.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Budget Level Indicator */
.budget-level-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.budget-bar {
    flex: 1;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.budget-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.budget-fill.budget { width: 25%; }
.budget-fill.medium { width: 50%; }
.budget-fill.luxury { width: 75%; }
.budget-fill.mixed { width: 100%; background: linear-gradient(90deg, var(--secondary-color), var(--accent-color), var(--primary-color)); }

/* Activity Interest Tags */
.activity-interests {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.activity-tag {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.activity-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.activity-tag:hover::before {
    left: 100%;
}

.activity-tag:hover {
    border-color: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.15);
}

.activity-tag.selected {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

/* Pace Preference Visual */
.pace-preference-visual {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: 8px;
}

.pace-icon {
    font-size: 2rem;
    opacity: 0.7;
}

.pace-description {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Conditional Fields Animation */
.conditional-field {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
    opacity: 0;
    margin: 0;
}

.conditional-field.show {
    max-height: 200px;
    opacity: 1;
    margin: 1rem 0;
}

/* Travel Summary Preview */
.travel-summary-preview {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(16, 185, 129, 0.05));
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.travel-summary-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.summary-item .material-icons {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .travel-itinerary-container {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .travel-dates-row {
        grid-template-columns: 1fr;
    }
    
    .travel-preferences-grid {
        grid-template-columns: 1fr;
    }
    
    .pace-preference-visual {
        flex-direction: column;
        text-align: center;
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .activity-interests,
    .travel-type-options {
        gap: 0.25rem;
    }
    
    .activity-tag,
    .travel-type-tag {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .travel-itinerary-interface {
        --background-color: #1F2937;
        --border-color: #374151;
        --text-primary: #F9FAFB;
        --text-secondary: #D1D5DB;
    }
    
    .travel-info-section {
        background: #1F2937;
        border-color: #374151;
    }
    
    .activity-tag,
    .travel-type-tag {
        background: #374151;
        border-color: #4B5563;
        color: #F9FAFB;
    }
    
    .travel-summary-preview {
        background: rgba(37, 99, 235, 0.1);
        border-color: rgba(37, 99, 235, 0.2);
    }
}

/* Animation Effects */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.travel-info-section {
    animation: fadeInUp 0.6s ease forwards;
}

.travel-info-section:nth-child(2) { animation-delay: 0.1s; }
.travel-info-section:nth-child(3) { animation-delay: 0.2s; }
.travel-info-section:nth-child(4) { animation-delay: 0.3s; }

/* Loading States */
.travel-form-loading .travel-info-section {
    opacity: 0.7;
    pointer-events: none;
}

.travel-form-loading .travel-summary-preview::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}