.quest-chain-page{box-sizing:border-box;width:100%;max-width:1050px;margin-left:auto;margin-right:auto;padding:1rem 12px 2.5rem}.quest-breadcrumbs{margin-bottom:1rem}.quest-breadcrumbs .breadcrumb-list{flex-wrap:wrap;align-items:center;gap:6px;margin:0;padding:0;font-size:14px;list-style:none;display:flex}.quest-breadcrumbs a{color:var(--accent);text-decoration:none}.quest-breadcrumbs a:hover{text-decoration:underline}.quest-breadcrumbs .separator{color:var(--text-muted);user-select:none}.quest-breadcrumbs .current{color:var(--text);font-weight:700}.qc-header{margin-bottom:1rem}.qc-title{color:var(--text);margin:0 0 4px;font-size:22px;font-weight:700}.qc-subtitle{color:var(--text-muted);margin:0;font-size:14px}.qc-controls-bar{background:var(--surface);border:1px solid var(--line);border-radius:4px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;padding:8px 12px;display:flex}.qc-search-wrap{flex:280px;max-width:420px;position:relative}.qc-search-input-wrap{align-items:center;display:flex;position:relative}.qc-search-icon{color:var(--text-muted);pointer-events:none;position:absolute;left:10px}.qc-search-input{background:var(--bg);border:1px solid var(--line);width:100%;height:32px;color:var(--text);box-sizing:border-box;border-radius:4px;outline:none;padding:4px 30px 4px 32px;font-size:13px}.qc-search-input:focus{border-color:var(--accent)}.qc-search-clear{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:2px 6px;font-size:14px;display:none;position:absolute;right:8px}.qc-search-dropdown{background:var(--surface);border:1px solid var(--line);z-index:1000;border-radius:4px;max-height:320px;display:none;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow-y:auto;box-shadow:0 6px 16px #00000073}.qc-search-dropdown.is-open{display:block}.qc-search-item{border-bottom:1px solid var(--line);color:var(--text);cursor:pointer;text-align:left;background:0 0;border-top:none;border-left:none;border-right:none;align-items:center;gap:10px;width:100%;padding:8px 12px;font-family:inherit;text-decoration:none;display:flex}.qc-search-item:last-child{border-bottom:none}.qc-search-item:hover,.qc-search-item:focus{background:var(--surface-raised)}.qc-search-item-icon{object-fit:contain;border-radius:3px;flex-shrink:0;width:24px;height:24px}.qc-search-item-info{flex-direction:column;flex:auto;min-width:0;display:flex}.qc-search-item-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.qc-search-item-id{color:var(--text-muted);font-size:11px}.qc-toolbar-actions{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.qc-btn{background:var(--bg);border:1px solid var(--line);height:32px;color:var(--text);cursor:pointer;white-space:nowrap;border-radius:4px;justify-content:center;align-items:center;gap:6px;padding:0 10px;font-family:inherit;font-size:13px;transition:all .15s;display:inline-flex}.qc-btn:hover:not(:disabled){background:var(--surface-raised);border-color:var(--accent);color:var(--text)}.qc-btn:disabled{opacity:.4;cursor:not-allowed}.qc-btn-icon-only{width:32px;padding:0}.qc-btn-share{background:var(--surface-raised);border-color:var(--accent);color:var(--accent);font-weight:600}.qc-btn-share:hover{background:var(--accent);color:var(--accent-ink)}.qc-active-banner{background:var(--surface);border:1px solid var(--line);border-bottom:none;border-radius:4px 4px 0 0;justify-content:space-between;align-items:center;padding:8px 14px;display:flex}.qc-active-info{align-items:center;gap:10px;min-width:0;display:flex}.qc-active-badge{background:var(--gold);color:#fff;text-transform:uppercase;border-radius:3px;flex-shrink:0;padding:2px 6px;font-size:11px;font-weight:700}:root[data-theme=dark] .qc-active-badge{color:#000}.qc-active-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:700;overflow:hidden}.qc-active-link{color:var(--accent);white-space:nowrap;flex-shrink:0;font-size:12px;font-weight:700;text-decoration:none}.qc-active-link:hover{text-decoration:underline}.qc-canvas-container{background:var(--bg);border:1px solid var(--line);user-select:none;border-radius:0 0 4px 4px;width:100%;height:calc(100vh - 290px);min-height:520px;position:relative;overflow:hidden}.qc-canvas{cursor:grab;width:100%;height:100%;display:block}.qc-canvas:active{cursor:grabbing}.qc-state-overlay{color:var(--text);z-index:10;backdrop-filter:blur(2px);background:#000000b3;flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:15px;display:flex;position:absolute;inset:0}.qc-spinner{border:3px solid #fff3;border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite qc-spin}@keyframes qc-spin{to{transform:rotate(360deg)}}.qc-tooltip{background:var(--surface);border:1px solid var(--line);color:var(--text);pointer-events:none;z-index:100;border-radius:4px;max-width:280px;padding:8px 12px;font-size:12px;line-height:1.4;display:none;position:absolute;box-shadow:0 4px 14px #00000080}.qc-tooltip-title{margin-bottom:2px;font-size:13px;font-weight:700}.qc-tooltip-id{color:var(--text-muted);font-size:11px}.qc-tooltip-hint{color:var(--accent);margin-top:4px;font-size:10px}.qc-legend-bar{color:var(--text);flex-wrap:wrap;justify-content:center;align-items:center;gap:16px 24px;padding:12px 0 6px;font-size:13px;display:flex}.qc-legend-item{align-items:center;gap:8px;display:inline-flex}.qc-legend-dot{border-radius:50%;flex-shrink:0;width:12px;height:12px;display:inline-block}.qc-dot-start{background:var(--gold);box-shadow:0 0 6px #00000080}.qc-dot-extend{background:var(--accent);box-shadow:0 0 6px #00000080}.qc-line-prereq{background:var(--line);flex-shrink:0;width:24px;height:2px;display:inline-block}.qc-line-blocks{border-top:2px dashed var(--spirit);flex-shrink:0;width:24px;height:2px;display:inline-block}.qc-usage-hint{text-align:center;color:var(--text-muted);margin:4px 0 0;font-size:12px}.qc-toast{background:var(--surface-2);color:var(--text);border:1px solid var(--accent);z-index:2000;opacity:0;pointer-events:none;border-radius:4px;padding:10px 18px;font-size:14px;font-weight:600;transition:opacity .2s,transform .2s;position:fixed;bottom:24px;right:24px;transform:translateY(10px);box-shadow:0 4px 16px #0006}.qc-toast.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}@media (width<=600px){.qc-controls-bar{flex-direction:column;align-items:stretch}.qc-search-wrap{max-width:100%}.qc-toolbar-actions{justify-content:space-between}.qc-canvas-container{height:480px;min-height:400px}}