#cb-tool{--radius:10px;--err:#ff5c6a}[data-theme=light] #cb-tool{--err:#d92f3d}.cb-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;padding:24px}.cb-panel-hd{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.cb-panel-actions{flex-wrap:wrap;gap:8px;display:flex}.cb-panel-title{color:var(--txt-strong);margin-bottom:10px;font-size:17px;font-weight:800}.cb-panel-sub{color:var(--txt-dim);margin-bottom:14px;font-size:13px;line-height:1.6}.cb-hint{color:var(--txt-dim);margin-top:6px;font-size:11px;display:block}.cb-mode-tabs{background:var(--surface2);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap;gap:6px;padding:4px;display:flex}.cb-mode-tab{cursor:pointer;min-width:100px;color:var(--txt-dim);background:0 0;border:none;border-radius:7px;flex:1;padding:10px 8px;font-size:13px;font-weight:700;transition:background .2s,color .2s}.cb-mode-tab.active{background:var(--accent);color:#fff}.cb-mode-tab:hover:not(.active){color:var(--txt-strong)}.cb-grid-2{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;display:grid}.cb-grid-3{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:14px;display:grid}.cb-field label{color:var(--txt-dim);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px;font-size:12px;font-weight:700;display:block}.cb-field input,.cb-field select{background:var(--surface2);border:1px solid var(--border);width:100%;color:var(--txt-strong);font-family:var(--sans);border-radius:8px;outline:none;padding:10px 12px;font-size:13px;transition:border-color .2s}.cb-field input:focus,.cb-field select:focus{border-color:var(--accent)}.cb-check-row{flex-wrap:wrap;gap:16px;margin-bottom:14px;display:flex}.cb-check{color:var(--txt);cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.cb-check input{width:16px;height:16px;accent-color:var(--accent)}.cb-textarea{resize:vertical;background:var(--surface2);border:1px solid var(--border);width:100%;min-height:260px;color:var(--txt);font-family:var(--mono);border-radius:8px;outline:none;padding:16px;font-size:13px;line-height:1.6}.cb-textarea:focus{border-color:var(--accent)}.cb-drop{text-align:center;border:1.5px dashed var(--border);background:var(--surface2);color:var(--txt-dim);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;padding:30px 16px;font-size:13px;font-weight:600;transition:border-color .2s,background .2s;display:flex}.cb-drop:hover,.cb-drop.dragover{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 6%, var(--surface2))}.cb-file-meta{color:var(--txt-dim);font-size:12px;font-family:var(--mono);margin-top:10px}.cb-url-row{flex-wrap:wrap;gap:10px;display:flex}.cb-url-row input{background:var(--surface2);border:1px solid var(--border);min-width:220px;color:var(--txt-strong);font-family:var(--mono);border-radius:8px;flex:1;padding:11px 14px;font-size:13px}.cb-actions{flex-wrap:wrap;gap:12px;margin-top:14px;display:flex}.pane-btn{border:1px solid var(--border);background:var(--surface2);color:var(--txt);cursor:pointer;border-radius:7px;padding:8px 14px;font-size:12px;font-weight:700;transition:background .2s,color .2s,border-color .2s}.pane-btn:hover{background:var(--surface);color:var(--txt-strong);border-color:var(--accent)}.pane-btn.danger{color:var(--err);border-color:color-mix(in srgb, var(--err) 30%, transparent)}.pane-btn.danger:hover{background:color-mix(in srgb, var(--err) 10%, transparent);border-color:var(--err)}.cb-output-pre{background:#0d1117;border-radius:8px;max-height:560px;margin:0;overflow:auto}.cb-output-pre code{font-family:var(--mono);font-size:13px;line-height:1.6}.cb-stats-bar{font-family:var(--mono);color:var(--txt-dim);margin-top:10px;font-size:12px}.cb-shot-preview-wrap{justify-content:center;margin-top:16px;display:flex;overflow-x:auto}.cb-shot-preview-wrap canvas{border-radius:10px;max-width:100%;box-shadow:0 12px 40px #0000004d}.cb-embed-row{flex-wrap:wrap;align-items:flex-start;gap:10px;display:flex}.cb-embed-code{resize:vertical;background:var(--surface2);border:1px solid var(--border);min-width:240px;min-height:70px;color:var(--txt);font-family:var(--mono);border-radius:8px;flex:1;padding:12px 14px;font-size:12.5px}.cb-history-list{flex-direction:column;gap:8px;max-height:380px;display:flex;overflow-y:auto}.cb-history-empty{text-align:center;color:var(--txt-dim);background:var(--surface2);border:1px dashed var(--border);border-radius:var(--radius);padding:20px;font-size:13px}.cb-history-item{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:center;gap:12px;padding:9px 14px;transition:border-color .2s;display:flex}.cb-history-item:hover{border-color:var(--accent)}.cb-history-badge{text-transform:uppercase;color:var(--accent);background:color-mix(in srgb, var(--accent) 14%, transparent);border-radius:999px;flex-shrink:0;padding:3px 8px;font-size:10px;font-weight:800}.cb-history-text{min-width:0;font-family:var(--mono);color:var(--txt);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12px;overflow:hidden}.cb-history-time{color:var(--txt-dim);font-size:11px;font-family:var(--mono);flex-shrink:0}.cb-history-del{border:1px solid var(--border);width:24px;height:24px;color:var(--txt-dim);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;font-size:12px}.cb-history-del:hover{color:var(--err);border-color:var(--err)}.cb-share-row{margin-top:20px}.b64-howto{counter-reset:cb-step;flex-direction:column;gap:14px;max-width:780px;list-style:none;display:flex}.b64-howto li{color:var(--txt);padding-left:40px;font-size:14px;line-height:1.65;position:relative}.b64-howto li:before{counter-increment:cb-step;content:counter(cb-step);background:linear-gradient(135deg, var(--grad1), var(--grad2));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:800;display:flex;position:absolute;top:0;left:0}.b64-howto strong{color:var(--txt-strong)}.cb-toast{background:var(--surface2);border:1px solid var(--border);color:var(--txt-strong);font-family:var(--mono);z-index:2000;opacity:0;pointer-events:none;border-radius:999px;padding:10px 20px;font-size:13px;font-weight:600;transition:opacity .25s,transform .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%)translateY(20px)}.cb-toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=650px){.cb-panel{padding:18px}.cb-actions{flex-direction:column}.cb-actions button{width:100%}.cb-textarea{min-height:200px}}