/* Premium Airport Autocomplete Styles - TripCaliber Inspired */

:root {
    --autocomplete-primary: #0D8ABC;
    --autocomplete-primary-dark: #0A6A96;
    --autocomplete-bg: white;
    --autocomplete-border: #E8E8E8;
    --autocomplete-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --autocomplete-hover: rgba(13, 138, 188, 0.08);
    --autocomplete-radius: 12px;
    --autocomplete-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Search Field Container */
.search-field {
    position: relative;
}

.search-field .airport-input {
    padding: 14px 50px 14px 16px;
    border: 2px solid var(--autocomplete-border);
    border-radius: 10px;
    font-size: 15px;
    transition: var(--autocomplete-transition);
    background: white;
    cursor: pointer;
}

.search-field .airport-input:focus {
    outline: none;
    border-color: var(--autocomplete-primary);
    box-shadow: 0 0 0 4px rgba(13, 138, 188, 0.1);
}

.search-field .airport-input::placeholder {
    color: #999;
}

/* Swap Button */
.swap-button {
    position: absolute;
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--autocomplete-primary);
    border: 3px solid white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    transition: var(--autocomplete-transition);
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.swap-button:hover {
    background: var(--autocomplete-primary-dark);
    transform: translateY(-50%) rotate(180deg);
}

.swap-button:active {
    transform: translateY(-50%) scale(0.95);
}

.swap-button.swapping {
    animation: swapAnimation 0.4s ease-in-out;
}

@keyframes swapAnimation {
    0% { transform: translateY(-50%) rotate(0deg); }
    50% { transform: translateY(-50%) rotate(180deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

/* Autocomplete Panel */
.airport-autocomplete {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--autocomplete-bg);
    border-radius: var(--autocomplete-radius);
    box-shadow: var(--autocomplete-shadow);
    z-index: 1000;
    max-height: 400px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--autocomplete-transition);
    border: 1px solid var(--autocomplete-border);
}

.airport-autocomplete.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Search Box in Autocomplete */
.autocomplete-search {
    padding: 16px;
    border-bottom: 1px solid var(--autocomplete-border);
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
}

.autocomplete-search input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    border: 2px solid var(--autocomplete-border);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--autocomplete-transition);
}

.autocomplete-search input:focus {
    outline: none;
    border-color: var(--autocomplete-primary);
}

.autocomplete-search .search-icon {
    position: absolute;
    left: 32px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 16px;
}

/* Section Headers */
.autocomplete-section {
    padding: 12px 16px 8px;
    background: #F8F9FA;
    border-bottom: 1px solid var(--autocomplete-border);
    position: sticky;
    top: 0;
    z-index: 5;
}

.autocomplete-section h4 {
    font-size: 12px;
    font-weight: 700;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

/* Airport Items */
.airport-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    transition: var(--autocomplete-transition);
    border-bottom: 1px solid #F0F0F0;
}

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

.airport-item:hover,
.airport-item.active {
    background: var(--autocomplete-hover);
}

.airport-item.selected {
    background: rgba(13, 138, 188, 0.12);
}

/* Airport Icon */
.airport-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--autocomplete-primary) 0%, var(--autocomplete-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    flex-shrink: 0;
}

.airport-icon.recent {
    background: linear-gradient(135deg, #6C757D 0%, #495057 100%);
}

.airport-icon.top {
    background: linear-gradient(135deg, #28A745 0%, #1E7E34 100%);
}

.airport-icon.popular {
    background: linear-gradient(135deg, #FFC107 0%, #E0A800 100%);
}

.airport-icon.international {
    background: linear-gradient(135deg, #6F42C1 0%, #5A32A3 100%);
}

/* Airport Info */
.airport-info {
    flex: 1;
    min-width: 0;
}

.airport-main {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.airport-city {
    font-size: 15px;
    font-weight: 600;
    color: #333;
}

.airport-code {
    font-size: 13px;
    font-weight: 700;
    color: var(--autocomplete-primary);
    background: rgba(13, 138, 188, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
}

.airport-name {
    font-size: 13px;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.airport-country {
    font-size: 12px;
    color: #999;
    margin-top: 2px;
}

/* Highlighted Text */
.highlight {
    background: rgba(255, 235, 59, 0.5);
    padding: 0 2px;
    border-radius: 2px;
    font-weight: 600;
}

/* Loading State */
.autocomplete-loading {
    padding: 40px;
    text-align: center;
}

.autocomplete-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--autocomplete-border);
    border-top-color: var(--autocomplete-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.autocomplete-loading p {
    font-size: 14px;
    color: #666;
}

/* No Results */
.autocomplete-no-results {
    padding: 40px 20px;
    text-align: center;
}

.autocomplete-no-results .icon {
    font-size: 48px;
    color: #DDD;
    margin-bottom: 12px;
}

.autocomplete-no-results h4 {
    font-size: 16px;
    color: #333;
    margin-bottom: 4px;
}

.autocomplete-no-results p {
    font-size: 14px;
    color: #666;
}

/* Recent Searches Section */
.recent-searches {
    padding: 12px 16px;
}

.recent-search-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--autocomplete-transition);
}

.recent-search-item:hover {
    background: var(--autocomplete-hover);
}

.recent-search-item .remove-btn {
    margin-left: auto;
    color: #999;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--autocomplete-transition);
}

.recent-search-item .remove-btn:hover {
    background: rgba(220, 53, 69, 0.1);
    color: #DC3545;
}

/* Scrollbar Styling */
.airport-autocomplete::-webkit-scrollbar {
    width: 8px;
}

.airport-autocomplete::-webkit-scrollbar-track {
    background: #F0F0F0;
}

.airport-autocomplete::-webkit-scrollbar-thumb {
    background: #CCC;
    border-radius: 4px;
}

.airport-autocomplete::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .airport-autocomplete {
        max-height: 350px;
    }
    
    .autocomplete-search {
        padding: 12px;
    }
    
    .airport-item {
        padding: 12px;
    }
    
    .airport-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .airport-city {
        font-size: 14px;
    }
    
    .airport-code {
        font-size: 12px;
        padding: 2px 6px;
    }
    
    .airport-name {
        font-size: 12px;
    }
    
    .swap-button {
        width: 36px;
        height: 36px;
        font-size: 16px;
        right: -20px;
    }
}

@media (max-width: 576px) {
    .airport-autocomplete {
        max-height: 300px;
        left: -10px;
        right: -10px;
    }
    
    .airport-item {
        gap: 10px;
    }
    
    .airport-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .autocomplete-section {
        padding: 10px 12px 6px;
    }
    
    .autocomplete-section h4 {
        font-size: 11px;
    }
}