/* frontend/css/intelligent-autocomplete.css */
/* Beautiful styling for intelligent autocomplete component */

/* Autocomplete container */
.autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    
    margin-top: 4px;
    background: white;
    border: 1px solid rgba(226, 232, 240, 1);
    border-radius: 8px;
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    max-height: 320px;
    overflow-y: auto;
    overflow-x: hidden;
    
    /* Smooth animations */
    animation: autocomplete-fadeIn 0.15s ease-out;
}

@keyframes autocomplete-fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom scrollbar */
.autocomplete-suggestions::-webkit-scrollbar {
    width: 8px;
}

.autocomplete-suggestions::-webkit-scrollbar-track {
    background: rgba(241, 245, 249, 0.5);
    border-radius: 4px;
}

.autocomplete-suggestions::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.5);
    border-radius: 4px;
}

.autocomplete-suggestions::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 116, 139, 0.7);
}

/* Individual suggestion item */
.autocomplete-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    
    padding: 12px 16px;
    cursor: pointer;
    
    transition: all 0.15s ease;
    
    /* Typography */
    font-size: 14px;
    line-height: 1.5;
    color: rgba(30, 41, 59, 1);
    
    /* Border between items */
    border-bottom: 1px solid rgba(241, 245, 249, 0.8);
}

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

/* Hover state */
.autocomplete-item:hover,
.autocomplete-item.selected {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(147, 51, 234, 0.08));
    color: rgba(30, 58, 138, 1);
}

/* Active/pressed state */
.autocomplete-item:active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(147, 51, 234, 0.15));
    transform: scale(0.98);
}

/* Main text */
.autocomplete-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    
    /* Support for Cyrillic */
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 
                 'Helvetica Neue', Arial, 'Noto Sans', sans-serif,
                 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
}

/* Usage count badge */
.autocomplete-badge {
    flex-shrink: 0;
    
    padding: 2px 8px;
    border-radius: 12px;
    
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(147, 51, 234, 0.15));
    color: rgba(59, 130, 246, 1);
    
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
    
    transition: all 0.15s ease;
}

.autocomplete-item:hover .autocomplete-badge,
.autocomplete-item.selected .autocomplete-badge {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(147, 51, 234, 0.25));
    color: rgba(29, 78, 216, 1);
    transform: scale(1.05);
}

/* Empty state */
.autocomplete-empty {
    padding: 24px 16px;
    text-align: center;
    color: rgba(148, 163, 184, 1);
    font-size: 14px;
    font-style: italic;
}

/* Loading state */
.autocomplete-loading {
    padding: 16px;
    text-align: center;
    color: rgba(100, 116, 139, 1);
    font-size: 13px;
}

.autocomplete-loading::after {
    content: '...';
    animation: autocomplete-dots 1.5s steps(4, end) infinite;
}

@keyframes autocomplete-dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Input field enhancement */
input.has-autocomplete {
    position: relative;
}

input.has-autocomplete:focus {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Keyboard navigation indicator */
.autocomplete-item.selected::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, rgba(59, 130, 246, 1), rgba(147, 51, 234, 1));
    border-radius: 0 2px 2px 0;
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    .autocomplete-suggestions {
        background: rgba(30, 41, 59, 1);
        border-color: rgba(51, 65, 85, 1);
    }
    
    .autocomplete-item {
        color: rgba(226, 232, 240, 1);
        border-bottom-color: rgba(51, 65, 85, 0.5);
    }
    
    .autocomplete-item:hover,
    .autocomplete-item.selected {
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(147, 51, 234, 0.15));
        color: rgba(191, 219, 254, 1);
    }
    
    .autocomplete-suggestions::-webkit-scrollbar-track {
        background: rgba(51, 65, 85, 0.3);
    }
    
    .autocomplete-suggestions::-webkit-scrollbar-thumb {
        background: rgba(100, 116, 139, 0.5);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .autocomplete-suggestions {
        max-height: 240px;
    }
    
    .autocomplete-item {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .autocomplete-badge {
        font-size: 10px;
        padding: 2px 6px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .autocomplete-suggestions {
        border: 2px solid currentColor;
    }
    
    .autocomplete-item:hover,
    .autocomplete-item.selected {
        outline: 2px solid currentColor;
        outline-offset: -2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .autocomplete-suggestions {
        animation: none;
    }
    
    .autocomplete-item {
        transition: none;
    }
    
    .autocomplete-badge {
        transition: none;
    }
}