.sidebar{padding:0!important;box-sizing:border-box;overflow:hidden}.brand-container{margin-bottom:20px;text-align:center}.brand-header{display:flex;align-items:center;justify-content:center;gap:12px}.brand-header img{width:40px;height:40px}.brand-header h2{font-size:var(--fs-lg,16px);font-weight:700;margin:0;color:var(--text-main)}.sidebar-search{width:100%;position:sticky;top:0;background:var(--bg-card,#f9fafb);padding-bottom:12px;margin-bottom:10px;z-index:10;display:flex;align-items:center;gap:8px}.sidebar-search .search-icon{font-size:18px;color:var(--text-muted);flex-shrink:0}.sidebar-search input{width:100%;padding:10px 12px;border-radius:var(--radius-sm,6px);border:1px solid var(--field-border,var(--border));background:var(--field-bg,#f9fafb);color:var(--text-main);font-size:var(--fs-md,14px)}.sidebar-search input:focus{outline:none;border-color:var(--accent,var(--primary,#2563eb))}.sidebar-nav-content{flex:1;overflow-y:auto}.nav-links{display:flex;flex-direction:column;gap:0}.nav-group-title{font-size:var(--fs-xs,11px);font-weight:700;opacity:0.65;letter-spacing:0.4px;margin:12px 0 6px;color:var(--text-muted);text-transform:uppercase}.nav-item-wrapper{margin-bottom:4px}.nav-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;background:var(--accent,var(--primary,#3b82f6));color:white;border-radius:9px;font-size:0.65rem;font-weight:700;flex-shrink:0;margin-left:auto}.nav-link{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:8px;cursor:pointer;background:transparent;transition:all 0.2s ease;border:1px solid transparent;color:var(--text-main);text-decoration:none;font-size:var(--fs-md,14px);font-weight:500;position:relative}.nav-link:hover{background:var(--bg-card,#f9fafb);color:var(--accent,var(--primary,#3b82f6))}.nav-link.active{background:linear-gradient(90deg,rgba(var(--accent-rgb,59,130,246),0.08) 0%,transparent 100%);border-color:var(--accent,var(--primary,#3b82f6));color:var(--accent,var(--primary,#3b82f6));font-weight:600}.nav-link.active::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent,var(--primary,#3b82f6));border-radius:0 2px 2px 0}.nav-link .material-icons-round{font-size:18px;color:currentColor;flex-shrink:0}.sidebar-feedback{margin-top:auto;padding:12px;border:1px solid var(--border);border-radius:var(--radius-md,8px);background:var(--bg-card,#f9fafb)}.sidebar-feedback p{font-size:0.75rem;font-weight:600;color:var(--text-main);margin:0 0 8px 0;text-transform:uppercase;letter-spacing:0.4px}.sidebar-feedback textarea,.sidebar-feedback input{width:100%;padding:8px;border-radius:var(--radius-sm,6px);margin-bottom:6px;background:var(--bg-card,#ffffff);border:1px solid var(--border);color:var(--text-main);font-size:var(--fs-sm,12px);font-family:inherit;resize:none;transition:all 0.2s ease}.sidebar-feedback textarea:focus,.sidebar-feedback input:focus{outline:none;border-color:var(--accent,var(--primary,#3b82f6));box-shadow:0 0 0 3px rgba(var(--accent-rgb,59,130,246),0.08)}.feedback-send-btn{width:100%;padding:8px;background:var(--accent,var(--primary,#3b82f6));color:white;border:none;border-radius:var(--radius-sm,6px);cursor:pointer;font-weight:600;font-size:var(--fs-sm,12px);transition:all 0.2s ease;display:flex;align-items:center;justify-content:center;gap:4px}.feedback-send-btn:hover{background:var(--primary-hover,var(--accent));transform:translateY(-1px);box-shadow:0 2px 6px rgba(var(--accent-rgb,59,130,246),0.2)}.feedback-send-btn:active{transform:translateY(0)}.feedback-send-btn .material-icons-round{font-size:16px}.feedback-result{font-size:var(--fs-sm,12px);color:var(--eng-success,#10b981);text-align:center;margin:8px 0 0}.feedback-result.error{color:var(--danger)}.sidebar-footer{text-align:center;padding-top:12px;font-size:0.75rem;color:var(--text-muted);margin-top:16px;border-top:1px solid var(--border)}