:root{--bg: #f5f7fa;--bg-panel: #ffffff;--bg-card: #ffffff;--bg-subtle: #f9fafb;--border: #e5e7eb;--border-light: #f0f1f4;--text: #1f2937;--text-dim: #6b7280;--text-faint: #9ca3af;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-soft: #eff6ff;--danger: #dc2626;--danger-soft: #fef2f2;--success: #16a34a;--success-soft: #f0fdf4;--warning-soft: #fffbeb;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);--shadow-md: 0 4px 16px rgba(16, 24, 40, .1);--radius: 7px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:13px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}img{display:block}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel);color:var(--text);font-size:13px;cursor:pointer;transition:background .15s,border-color .15s}.btn:hover{background:var(--bg-subtle)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-danger{background:var(--bg-panel);border-color:#fecaca;color:var(--danger)}.btn-danger:hover{background:var(--danger-soft)}.btn-ghost{border-color:transparent;background:transparent;color:var(--text-dim)}.btn-ghost:hover{background:var(--bg-subtle);color:var(--text)}.btn-ghost.active{background:var(--accent-soft);color:var(--accent)}.btn-sm{padding:4px 10px;font-size:12px}.btn-block{width:100%}.field{display:block;margin-bottom:12px}.field>span{display:block;margin-bottom:4px;font-size:12px;color:var(--text-dim)}.field input,.field select{width:100%;padding:8px 10px;border:1px solid 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var(--border);border-radius:var(--radius);padding:40px;text-align:center;color:var(--text-dim)}.inline-icon{vertical-align:-2px;color:var(--accent)}.toaster{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:999;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}.toast{padding:9px 18px;border-radius:var(--radius);background:#1f2937;color:#fff;box-shadow:var(--shadow-md);font-size:13px;max-width:480px;animation:toast-in .18s ease-out}.toast-success{background:var(--success)}.toast-error{background:var(--danger)}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}.shell{min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:20px;padding:0 24px;height:48px;background:var(--bg-panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.topbar-brand{display:flex;align-items:center;gap:7px;font-weight:600;font-size:14px;color:var(--accent)}.topbar-nav{display:flex;gap:4px;flex:1}.topbar-nav a{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:var(--radius);color:var(--text-dim);font-size:13px}.topbar-nav a:hover{background:var(--bg-subtle);color:var(--text)}.topbar-nav a.active{background:var(--accent-soft);color:var(--accent);font-weight:500}.topbar-user{display:flex;align-items:center;gap:8px}.topbar-username{color:var(--text-dim);font-size:12px}.shell-main{flex:1}.login-page{min-height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#eef4ff,#f7f9fc 60%)}.login-card{width:360px;background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;padding:30px 28px;box-shadow:var(--shadow-md)}.login-brand{display:flex;align-items:center;gap:9px;margin-bottom:6px;color:var(--accent)}.login-brand h1{font-size:20px}.login-sub{color:var(--text-faint);font-size:12px;margin-bottom:20px}.login-tabs{display:flex;gap:6px;margin-bottom:16px}.login-tab{flex:1;padding:7px;border:1px solid var(--border);background:var(--bg-panel);border-radius:var(--radius);cursor:pointer;font-size:13px;color:var(--text-dim)}.login-tab.active{background:var(--accent-soft);border-color:#bfdbfe;color:var(--accent);font-weight:500}.login-hint{margin-top:12px;font-size:11px;color:var(--text-faint);line-height:1.5}.workbench{display:grid;grid-template-columns:360px 1fr;gap:16px;align-items:start}.wb-left{display:flex;flex-direction:column;gap:12px}.upload-box{border:2px dashed var(--border);border-radius:var(--radius);background:var(--bg-panel);min-height:210px;display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;transition:border-color .15s,background .15s}.upload-box:hover{border-color:var(--accent)}.upload-box.drag-over{border-color:var(--accent);background:var(--accent-soft)}.upload-empty{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-dim);padding:20px;text-align:center}.upload-hint{color:var(--text-faint);font-size:11px}.upload-progress{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--text-dim);width:80%}.progress-bar{width:100%;height:6px;background:var(--border-light);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);transition:width .2s}.upload-preview{width:100%;height:100%;display:flex;flex-direction:column}.upload-preview img{width:100%;height:170px;object-fit:contain;background:var(--bg-subtle)}.upload-meta{padding:10px 12px;display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--border-light)}.upload-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-size{color:var(--text-faint);font-size:11px}.wb-warn{margin-top:10px;padding:8px 10px;background:var(--warning-soft);border:1px solid #fde68a;border-radius:var(--radius);color:#92400e;font-size:12px;line-height:1.5}.wb-idle{color:var(--text-faint)}.task-status{display:flex;align-items:flex-start;gap:7px;font-size:13px}.task-status-text{line-height:1.4}.status-running,.status-pending{color:var(--accent)}.status-done{color:var(--success)}.status-failed{color:var(--danger)}.task-error{display:block;color:var(--danger);font-size:12px;margin-top:6px;word-break:break-all}.compare{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-sm)}.compare-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}.compare-left-group{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.compare-mode-tabs{display:flex;gap:2px;background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--radius);padding:2px}.compare-mode-tabs .btn{border:none}.compare-mode-tabs .btn.active{background:var(--bg-panel);color:var(--accent);box-shadow:var(--shadow-sm)}.compare-bg{display:flex;align-items:center;gap:6px}.compare-label{color:var(--text-dim);font-size:12px;margin-right:4px}.compare-downloads{display:flex;gap:8px}.slider{position:relative;height:420px;border:1px solid var(--border-light);border-radius:var(--radius);overflow:hidden;cursor:col-resize;-webkit-user-select:none;user-select:none;touch-action:none}.slider-zoom{position:absolute;top:0;right:0;bottom:0;left:0}.slider-img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;pointer-events:none}.slider-top{position:absolute;top:0;right:0;bottom:0;left:0}.slider-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--text-faint)}.slider-line{position:absolute;top:0;bottom:0;width:2px;margin-left:-1px;background:#fff;box-shadow:0 0 6px #00000073;pointer-events:none}.slider-handle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:2px;padding:6px 5px;background:#fff;border-radius:18px;box-shadow:0 1px 8px #00000059;color:var(--accent);font-size:11px;line-height:1;pointer-events:none}.slider-label{position:absolute;top:10px;padding:3px 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var(--border-light);border-radius:var(--radius);overflow:hidden;height:420px;display:flex;align-items:center;justify-content:center}.compare-img-wrap img,.compare-masked{max-width:100%;max-height:100%;object-fit:contain}.compare-empty{color:var(--text-faint)}.bg-checker{background-image:repeating-conic-gradient(#e9e9ec,#e9e9ec 25%,#fff 0%,#fff 50%);background-size:16px 16px}.bg-solid-white{background:#fff}.bg-solid-black{background:#111827}.bg-solid-blue{background:#2563eb}.history-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.history-card{padding:0;overflow:hidden;cursor:pointer;transition:box-shadow .15s,transform .15s}.history-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.history-thumb{position:relative;height:140px;display:flex;align-items:center;justify-content:center;overflow:hidden}.history-thumb img{max-width:100%;max-height:100%;object-fit:contain}.badge{position:absolute;top:8px;left:8px;display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:20px;font-size:11px;background:#111827b8;color:#fff}.badge-done{background:#16a34ae6}.badge-failed{background:#dc2626e6}.history-meta{padding:9px 11px;display:flex;flex-direction:column;gap:2px}.history-name{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-id{color:var(--accent);font-weight:600}.history-time{color:var(--text-faint);font-size:11px}.badge-sm{position:absolute;top:8px;right:8px;padding:2px 7px;border-radius:10px;font-size:10px;background:#ffffffe6;color:var(--accent);border:1px solid #bfdbfe}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182780;z-index:200;display:flex;align-items:center;justify-content:center;padding:24px}.modal{background:var(--bg-panel);border-radius:10px;width:min(1200px,96vw);max-height:94vh;display:flex;flex-direction:column;box-shadow:var(--shadow-md);overflow:hidden}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);font-weight:500}.modal-body{padding:16px;overflow:auto}.detail-loading{display:flex;align-items:center;gap:8px;color:var(--accent);padding:40px;justify-content:center}.modal-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border-light);flex-wrap:wrap}.modal-actions{display:flex;gap:8px}.modal .slider,.modal .compare-img-wrap{height:min(560px,calc(94vh - 210px))}.modal-sm{width:min(400px,100%)}.modal-sm .modal-body{padding:18px}.modal-edit{width:min(1400px,96vw)}.edit-split{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 16px}.edit-side{min-width:0}.edit-side-title{font-size:11px;color:var(--text-dim);margin:12px 0 6px;display:flex;align-items:center;gap:8px}.edit-preview-tabs{display:flex;gap:2px}.edit-preview-tabs .btn{padding:2px 8px;font-size:11px;border:none}.edit-preview-tabs .btn.active{background:var(--accent-soft);color:var(--accent)}.edit-toolbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 16px;border-bottom:1px solid var(--border)}.edit-tools{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.edit-sel-actions{display:flex;gap:4px;margin-left:6px;padding-left:10px;border-left:1px solid var(--border)}.edit-range{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-dim)}.edit-range input[type=range]{width:110px;accent-color:var(--accent)}.edit-range b{min-width:42px;color:var(--text);font-weight:500}.edit-actions{display:flex;gap:6px;margin-left:auto}.edit-canvas-wrap{position:relative;border:1px solid var(--border-light);border-radius:var(--radius);overflow:hidden;max-height:calc(94vh - 230px);display:flex;align-items:center;justify-content:center;background:#111827}.edit-canvas-stack{position:relative;display:flex}.edit-canvas-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.edit-zoom-controls{position:absolute;bottom:8px;right:8px;z-index:3;display:flex;align-items:center;gap:2px;padding:3px;background:#ffffffeb;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.edit-zoom-controls .btn{border:none;padding:3px 8px}.edit-zoom-pct{font-size:11px;color:var(--text-dim);min-width:38px;text-align:center}.edit-canvas{max-width:100%;max-height:calc(94vh - 200px);cursor:crosshair;touch-action:none;display:block}.edit-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text-dim)}.edit-hint{padding:0 16px 16px;font-size:11px;color:var(--text-faint);line-height:1.6}.admin-grid{display:grid;grid-template-columns:300px 1fr;gap:16px;align-items:start}.admin-grid .admin-panel:last-child{grid-column:1 / -1}.table{width:100%;border-collapse:collapse;font-size:12px}.table th{text-align:left;color:var(--text-dim);font-weight:500;padding:6px 8px;border-bottom:1px solid var(--border)}.table td{padding:7px 8px;border-bottom:1px solid var(--border-light)}.table tr:last-child td{border-bottom:none}.icp-bar{padding:14px 0 20px;text-align:center;font-size:12px;color:var(--text-faint);border-top:1px solid var(--border-light);margin-top:16px;background:var(--bg-panel)}.icp-bar a{color:var(--text-faint);text-decoration:none}.icp-bar a:hover{color:var(--text-dim)}.login-page .icp-bar{position:absolute;bottom:0;left:0;right:0;background:transparent;border-top:none}@media (max-width: 860px){.workbench,.admin-grid,.compare-panes{grid-template-columns:1fr}.compare-img-wrap{height:300px}}