/* Version: 2.24.2 - October 03, 2026 */

.collections-section { margin-top: 20px; padding-top: 15px; border-top: 1px solid var(--border-color); }
.section-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 10px; padding-left: 5px; display: flex; justify-content: space-between; align-items: center; }

.col-item:hover { background-color: var(--surface-hover); }
.col-item.active { background-color: rgba(0, 123, 255, 0.15) !important; border: 1px solid var(--primary-color) !important; border-left: 4px solid var(--primary-color) !important; color: white !important; }

.col-dot { width: 10px; height: 10px; border-radius: 50%; margin-right: 12px; flex-shrink: 0; box-shadow: 0 0 5px rgba(0,0,0,0.5); }
.col-icon { margin-right: 10px; font-size: 1.1rem; }
.card-tag-strip { position: absolute; top: 0; left: 0; width: 4px; height: 100%; z-index: 5; border-radius: 4px 0 0 4px; }

/* --- COLLECTION TOGGLE BUTTON (ISOLATED) --- */
.col-toggle-btn {
    position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); cursor: pointer; font-size: 1.1rem; line-height: 1;
    user-select: none; z-index: 10;
}
.col-toggle-btn.empty { visibility: hidden; }

/* --- FIX ALLINEAMENTO ALBERO COLLEZIONI (RISOLVE IL BUG VISIVO) --- */
.col-tree { list-style: none; padding: 0; margin: 0; }
.col-tree li { position: relative; }

/* FIX: Le collezioni root partono tutte da 0 */
.folder-tree.col-tree > li { padding-left: 0 !important; }

/* FIX: Solo le sotto-collezioni vengono indentate */
.folder-tree.col-tree ul > li { padding-left: 20px !important; }

.col-tree li.collapsed > ul { display: none; }
.col-tree li:not(.collapsed) > div > .col-toggle-btn::before { content: '▾'; }
.col-tree li.collapsed > div > .col-toggle-btn::before { content: '▸'; }
.col-tree li.no-children > div > .col-toggle-btn { visibility: hidden; }

/* TAGGING MODAL */
#tagging-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.8); z-index: 6000; display: none; justify-content: center; align-items: center; backdrop-filter: blur(5px); }
#tagging-overlay.visible { display: flex; }
.tag-panel { background: var(--surface-color); border: 1px solid var(--glass-border); border-radius: 16px; width: 500px; max-width: 95vw; display: flex; flex-direction: column; max-height: 85vh; box-shadow: 0 20px 50px rgba(0,0,0,0.8); }
.tag-header { padding: 15px; border-bottom: 1px solid var(--border-color); background: var(--surface-hover); display: flex; justify-content: space-between; align-items: center; }
.tag-body { padding: 0; display: flex; flex-direction: column; overflow: hidden; flex: 1; }
.tag-section-status { padding: 15px; background: rgba(0, 0, 0, 0.2); border-bottom: 1px solid var(--border-color); flex-shrink: 0; }
.tag-toolbar { padding: 10px 15px; display: flex; gap: 8px; border-bottom: 1px solid var(--glass-border); background: var(--surface-hover); flex-shrink: 0; }
.tag-list-scroll { padding: 10px 15px; overflow-y: auto; flex: 1; min-height: 200px; }
.tag-footer { padding: 15px; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; background: var(--surface-color); flex-shrink: 0; }

.tag-col-item { display: flex; align-items: center; justify-content: space-between; padding: 12px; margin-bottom: 6px; border-radius: 8px; border: 1px solid var(--glass-border); background: rgba(255, 255, 255, 0.03); cursor: pointer; transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); user-select: none; }
.tag-col-item:hover { background: rgba(255, 255, 255, 0.08); }
.tag-col-item.state-add { background: rgba(40, 167, 69, 0.15); border-color: var(--workflow-color); }
.tag-col-item.state-original-hint { background: rgba(255, 255, 255, 0.05); border-left: 3px solid var(--workflow-color); }
.tag-col-item.state-remove { background: rgba(220, 53, 69, 0.15); border-color: var(--danger-color); opacity: 0.8; }
.tag-col-item.state-remove .tag-col-name { text-decoration: line-through; color: var(--text-muted); }

.tag-col-info { display: flex; align-items: center; gap: 10px; }
.tag-col-name { font-weight: 500; font-size: 0.95rem; }

.status-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; }
.status-chip { display: flex; align-items: center; gap: 8px; padding: 8px; border-radius: 6px; border: 1px solid var(--glass-border); cursor: pointer; background: rgba(0,0,0,0.3); transition: transform 0.2s; }
.status-chip:hover { transform: translateY(-2px); background: rgba(255,255,255,0.1); }
.status-chip.selected { background: rgba(255, 255, 255, 0.2); border-color: white; box-shadow: 0 0 8px rgba(255, 255, 255, 0.3); transform: scale(1.05); }

.tag-action-btn { background: rgba(255, 255, 255, 0.05); border: 1px solid var(--glass-border); color: var(--text-color); padding: 10px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; transition: all 0.2s; font-size: 0.9rem; }
.btn-tag-add { flex-grow: 1; justify-content: flex-start; gap: 10px; }
.btn-tag-add:hover { background: rgba(40, 167, 69, 0.15); border-color: var(--success-color); }
.btn-tag-remove { width: 44px; justify-content: center; color: var(--text-muted); }
.btn-tag-remove:hover { background: rgba(220, 53, 69, 0.2); color: #ff6b6b; border-color: #ff6b6b; }

/* --- VISIBILITY MODAL --- */
#col-vis-overlay { position:fixed; top:0; left:0; width:100vw; height:100vh; background:rgba(0,0,0,0.85); backdrop-filter:blur(8px); z-index:10000; display:none; justify-content:center; align-items:center; }
.col-vis-panel { background:var(--surface-color); border:1px solid var(--primary-color); border-top:4px solid var(--primary-color); border-radius:16px; width:400px; max-width:95vw; padding:25px; display:flex; flex-direction:column; gap:12px; box-shadow:0 20px 60px rgba(0,0,0,0.9); animation:popIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.col-vis-panel h3 { margin:0 0 10px 0; color:white; font-size:1.3rem; display:flex; align-items:center; gap:8px; }
.col-vis-panel p { color:var(--text-muted); font-size:0.95rem; line-height:1.4; margin:0 0 10px 0; }
.col-vis-btn { background:var(--glass-bg); border:1px solid var(--glass-border); color:white; padding:12px; border-radius:10px; cursor:pointer; transition:all 0.2s; font-size:0.95rem; font-weight:600; display:flex; align-items:center; gap:10px; justify-content:flex-start; text-align:left; box-shadow:var(--shadow-sm); }
.col-vis-btn:hover { background:var(--surface-hover); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.col-vis-btn.public { border-left:4px solid var(--primary-color); }
.col-vis-btn.public:hover { background:rgba(0, 123, 255, 0.15); border-color:var(--primary-color); }
.col-vis-btn.private { border-left:4px solid var(--danger-color); }
.col-vis-btn.private:hover { background:rgba(220, 53, 69, 0.15); border-color:var(--danger-color); }
.col-vis-btn.shared { border-left:4px solid var(--favorite-color); }
.col-vis-btn.shared:hover { background:rgba(255, 193, 7, 0.15); border-color:var(--favorite-color); }
.col-vis-btn.inherit { background:rgba(40, 167, 69, 0.1); border-color:var(--success-color); color:var(--success-color); justify-content:center; text-align:center; border-left:1px solid var(--success-color); }
.col-vis-btn.inherit:hover { background:rgba(40, 167, 69, 0.2); color:white; }
.col-vis-cancel { background:transparent; border:none; color:var(--text-muted); cursor:pointer; padding:10px; margin-top:5px; font-weight:bold; transition:color 0.2s; }
.col-vis-cancel:hover { color:white; }