/**
 * Special Labels Standalone CSS - OTTIMIZZATO
 * Versione pulita e organizzata del sistema special labels
 * Eliminati duplicati e migliorata struttura
 */

/* ===== VARIABILI CSS (Custom Properties) ===== */
:root {
    --sl-primary-color: #007AFF;
    --sl-primary-rgb: 0, 123, 255;
    --sl-border-color: #e0e0e0;
    --sl-bg-color: #ffffff;
    --sl-text-color: #333;
    --sl-text-muted: #6c757d;
    --sl-badge-bg: #f8f9fa;
    --sl-badge-border: #dee2e6;
    --sl-badge-text: #495057;
    --sl-hover-bg: #f5f5f5;
    --sl-border-radius: 6px;
    --sl-border-radius-pill: 20px;
    --sl-transition: all 0.2s ease;
    --sl-shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --sl-shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --sl-shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --sl-gap: 8px;
}

/* ===== BASE LAYOUT ===== */
.special-labels-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sl-gap);
    position: relative;
    z-index: 100;
}

/* ===== DROPDOWN BUTTON ===== */
.special-label-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 4px 10px 4px 8px;
    border-radius: var(--sl-border-radius-pill);
    border: 1px solid var(--sl-border-color);
    background: #ffffff;
    transition: var(--sl-transition);
    width: fit-content;
    height: 32px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    cursor: pointer;
    user-select: none;
    z-index: 101;
}

.special-label-dropdown:hover {
    transform: translateY(-1px);
    box-shadow: var(--sl-shadow-md);
    border-color: var(--sl-primary-color);
    background-color: #f8f9fa;
}

.special-label-dropdown:focus {
    box-shadow: 0 0 0 3px rgba(var(--sl-primary-rgb), 0.25);
    outline: none;
}

.special-label-dropdown.show {
    border-color: var(--sl-primary-color);
    box-shadow: 0 2px 8px rgba(var(--sl-primary-rgb), 0.15);
}

/* Badge interno al dropdown button */
.special-label-dropdown .special-label-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 100%;
    min-width: 0;
    flex: 1;
}

.special-label-dropdown .special-label-badge > i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    margin: 0;
    font-size: 18px;
    transition: transform 0.2s ease;
}

.special-label-dropdown:hover .special-label-badge > i {
    transform: scale(1.1);
}

.special-label-dropdown .special-label-badge > span {
    display: inline-flex;
    align-items: center;
    line-height: 1.2;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
}

/* Dropdown arrow */
.special-label-dropdown::after {
    content: '';
    display: inline-block;
    margin-left: auto;
    vertical-align: middle;
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
    opacity: 0.6;
    transition: transform 0.2s ease;
}

.special-label-dropdown.show::after {
    transform: rotate(180deg);
    opacity: 1;
}

/* ===== DROPDOWN MENU ===== */
/* Selettore unificato per tutti i contesti - SPECIFICO per special labels */
.special-labels-menu,
.form-group-special-labels .dropdown-menu,
.special-label-selector-container .dropdown-menu,
[data-label-key] + .dropdown-menu,
.special-label-dropdown + .dropdown-menu {
    /* Mantieni compatibilità Popper.js - NO position/top/left override */
    z-index: 9999 !important;
    display: none;
    min-width: 320px !important;
    max-width: 400px !important;
    max-height: 450px !important;
    background: #ffffff !important;
    border: 1px solid var(--sl-border-color) !important;
    border-radius: 12px !important;
    box-shadow: var(--sl-shadow-lg) !important;
    overflow: hidden !important;
    flex-direction: column;
    /* Override stili interni mantenendo posizionamento Bootstrap */
    padding: 0 !important;
    font-size: 14px !important;
    text-align: left !important;
    list-style: none !important;
    /* Margin ridotto per posizionamento più vicino */
    margin: 0.0625rem 0 0 !important;
    /* Assicura che Popper.js possa modificare transform */
    transform: none;
}

.special-labels-menu.show,
.form-group-special-labels .dropdown-menu.show,
.special-label-selector-container .dropdown-menu.show,
[data-label-key] + .dropdown-menu.show,
.special-label-dropdown + .dropdown-menu.show {
    display: flex;
}

#viewerPanel .special-labels-menu {
    z-index: 99999;
}

/* ===== SEARCH SECTION ===== */
/* Mixin-like behavior con selettori raggruppati */
.special-labels-menu .search-container,
.special-labels-menu .dropdown-search,
.form-group-special-labels .search-container,
.form-group-special-labels .dropdown-search,
.special-label-selector-container .search-container,
.special-label-selector-container .dropdown-search,
[data-label-key] + .dropdown-menu .dropdown-search,
.special-label-dropdown + .dropdown-menu .dropdown-search {
    padding: 12px !important;
    background: #ffffff !important;
    border-bottom: 1px solid var(--sl-border-color) !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    list-style: none !important;
    margin: 0 !important;
    /* Fix per override Bootstrap dropdown-item padding */
    box-sizing: border-box !important;
    /* Assicura che non erediti stili dropdown-item */
    width: auto !important;
    clear: none !important;
    font-weight: 400 !important;
    color: inherit !important;
    text-align: inherit !important;
    text-decoration: none !important;
    white-space: normal !important;
    border: 0 !important;
}

.special-label-search,
.form-group-special-labels .special-label-search,
.special-label-selector-container .special-label-search,
[data-label-key] + .dropdown-menu .special-label-search,
.special-label-dropdown + .dropdown-menu .special-label-search {
    width: 100% !important;
    border: 1px solid var(--sl-border-color) !important;
    border-radius: var(--sl-border-radius) !important;
    padding: 8px 12px !important;
    font-size: 14px !important;
    transition: var(--sl-transition) !important;
    background: #ffffff !important;
    color: #333 !important;
    box-sizing: border-box !important;
    /* Override any inherited dropdown-item styles */
    margin: 0 !important;
    text-decoration: none !important;
}

.special-label-search:focus,
.form-group-special-labels .special-label-search:focus,
.special-label-selector-container .special-label-search:focus,
[data-label-key] + .dropdown-menu .special-label-search:focus,
.special-label-dropdown + .dropdown-menu .special-label-search:focus {
    outline: none !important;
    border-color: var(--sl-primary-color) !important;
    box-shadow: 0 0 0 2px rgba(var(--sl-primary-rgb), 0.1) !important;
}

/* ===== OPTIONS CONTAINER ===== */
.options-container,
.form-group-special-labels .options-container,
.special-label-selector-container .options-container {
    flex: 1 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    padding: 4px !important;
    max-height: 380px !important;
    scrollbar-width: thin;
    scrollbar-color: rgba(0,0,0,0.2) transparent;
    margin: 0 !important;
    list-style: none !important;
}

/* Scrollbar styling - unificato */
.options-container::-webkit-scrollbar,
.form-group-special-labels .options-container::-webkit-scrollbar,
.special-label-selector-container .options-container::-webkit-scrollbar {
    width: 8px;
}

.options-container::-webkit-scrollbar-track,
.form-group-special-labels .options-container::-webkit-scrollbar-track,
.special-label-selector-container .options-container::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 4px;
}

.options-container::-webkit-scrollbar-thumb,
.form-group-special-labels .options-container::-webkit-scrollbar-thumb,
.special-label-selector-container .options-container::-webkit-scrollbar-thumb {
    background-color: rgba(0,0,0,0.3);
    border-radius: 4px;
}

.options-container::-webkit-scrollbar-thumb:hover,
.form-group-special-labels .options-container::-webkit-scrollbar-thumb:hover,
.special-label-selector-container .options-container::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0,0,0,0.5);
}

/* ===== DROPDOWN OPTIONS ===== */
.special-labels-menu li,
.form-group-special-labels .dropdown-menu li,
.special-label-selector-container .dropdown-menu li {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.special-labels-menu .dropdown-divider,
.form-group-special-labels .dropdown-divider,
.special-label-selector-container .dropdown-divider {
    margin: 0 !important;
    border-top: 1px solid var(--sl-border-color) !important;
    height: 0 !important;
    overflow: hidden !important;
}

/* ===== BADGE CARDS SYSTEM ===== */
.special-label-active-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--sl-gap);
    margin-bottom: 12px;
    min-height: 20px;
    width: 100%;
    box-sizing: border-box;
}

.special-label-active-badges .special-label-badge {
    display: flex;
    align-items: center;
    background: var(--sl-badge-bg);
    border: 1px solid var(--sl-badge-border);
    border-radius: var(--sl-border-radius-pill);
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--sl-badge-text);
    transition: var(--sl-transition);
    flex: 0 0 auto;
    width: auto;
    max-width: 300px;
}

.special-label-active-badges .special-label-badge:hover {
    background: #e9ecef;
    border-color: #ced4da;
    transform: translateY(-1px);
    box-shadow: var(--sl-shadow-sm);
}

.special-label-active-badges .special-label-badge i {
    margin-right: 6px;
    font-size: 16px;
}

.special-label-active-badges .special-label-badge span {
    white-space: nowrap;
}

/* ===== REMOVE BUTTON ===== */
.btn-remove-badge {
    background: none;
    border: none;
    color: var(--sl-text-muted);
    margin-left: var(--sl-gap);
    padding: 2px 4px;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    cursor: pointer;
}

.btn-remove-badge:hover {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    transform: scale(1.1);
}

.btn-remove-badge i {
    font-size: 10px;
    margin: 0;
}

.special-label-option,
.form-group-special-labels .special-label-option,
.special-label-selector-container .special-label-option {
    display: flex !important;
    align-items: center !important;
    padding: 10px 12px !important;
    border-radius: var(--sl-border-radius) !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
    cursor: pointer !important;
    text-decoration: none !important;
    color: #333 !important;
    margin: 2px 0 !important;
    width: auto !important;
    clear: none !important;
    font-weight: 400 !important;
    text-align: left !important;
    white-space: normal !important;
    background-color: transparent !important;
    border: 0 !important;
}

.special-label-option:hover {
    background-color: #f5f5f5 !important;
    transform: translateX(2px) !important;
    color: #333 !important;
}

.special-label-option.active {
    background-color: #e3f2fd !important;
    color: #333 !important;
}

/* Option components */
.special-label-option .option-icon-wrapper {
    width: 32px;
    height: 32px;
    border-radius: var(--sl-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: 12px;
}

.special-label-option .option-icon-wrapper i {
    font-size: 20px;
    color: white;
}

.special-label-option .option-text-wrapper {
    flex: 1;
    min-width: 0;
}

.special-label-option .option-label {
    font-weight: 500;
    color: #333;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.special-label-option .option-description {
    font-size: 12px;
    color: var(--sl-text-muted);
    line-height: 1.3;
    margin-top: 2px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.special-label-option i.material-icons.ms-2 {
    font-size: 18px;
    color: var(--sl-primary-color);
    flex-shrink: 0;
    margin-left: auto;
}

.special-label-option mark {
    background-color: #fff3cd;
    padding: 0 2px;
    font-weight: 600;
    border-radius: 2px;
}

/* ===== UTILITY CLASSES ===== */
.search-hidden {
    display: none !important;
}

.no-results-message {
    padding: 40px 20px;
    text-align: center;
    color: var(--sl-text-muted);
}

.no-results-message i {
    font-size: 48px;
    opacity: 0.3;
    margin-bottom: 12px;
}

/* ===== STATES ===== */
.special-label-dropdown.loading {
    pointer-events: none;
    opacity: 0.7;
}

.special-label-dropdown.loading .special-label-badge > i {
    animation: sl-spin 1s linear infinite;
}

.special-label-dropdown.success {
    animation: sl-success-pulse 0.5s;
    border-color: #4caf50;
}

/* ===== ANIMATIONS ===== */
@keyframes sl-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes sl-success-pulse {
    0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(76, 175, 80, 0); }
    100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .special-label-dropdown {
        padding: 4px 8px;
    }
    
    .special-labels-menu {
        min-width: 280px;
        max-width: calc(100vw - 20px);
    }
}

/* ===== DARK MODE SUPPORT (preparazione futura) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --sl-bg-color: #2d3748;
        --sl-border-color: #4a5568;
        --sl-text-color: #f7fafc;
        --sl-text-muted: #a0aec0;
        --sl-badge-bg: #4a5568;
        --sl-badge-border: #718096;
        --sl-hover-bg: #4a5568;
    }
}