:root{--bg: #0e1116;--surface: #161b22;--surface-high: #1f2630;--border: #2b3340;--text: #e8edf3;--text-dim: #94a3b8;--accent: #e8743b;--accent-soft: rgba(232, 116, 59, .14);--success: #4ade80;--warning: #facc15;--error: #f87171;--radius: 14px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}#app{max-width:980px;margin:0 auto;padding:24px 20px 48px;display:flex;flex-direction:column;gap:22px}.header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:14px}.brand-icon{font-size:34px;background:var(--accent-soft);border-radius:12px;padding:8px 10px}.brand h1{margin:0;font-size:22px;letter-spacing:-.02em}.brand p{margin:2px 0 0;font-size:13px;color:var(--text-dim)}.privacy-badge{font-size:12px;font-weight:600;color:var(--success);background:#4ade801a;border:1px solid rgba(74,222,128,.25);padding:6px 12px;border-radius:999px;white-space:nowrap}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;transition:border-color .15s,background .15s,transform .1s}.dropzone:hover,.dropzone:focus-visible,.dropzone.dragging{border-color:var(--accent);background:var(--surface-high);outline:none}.dropzone.dragging{transform:scale(1.005)}.dropzone-inner{padding:44px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px}.dropzone-icon{font-size:42px}.dropzone-title{margin:0;font-size:16px;font-weight:600}.dropzone-hint{margin:0;font-size:12.5px;color:var(--text-dim)}.sample-btn{margin-top:12px;font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-soft);border:1px solid rgba(232,116,59,.35);border-radius:10px;padding:9px 16px;cursor:pointer;transition:background .15s}.sample-btn:hover:not(:disabled){background:#e8743b3d}.sample-btn:disabled{opacity:.5;cursor:wait}.first-run-note{margin:0;font-size:13px;color:var(--warning);background:#facc1514;border:1px solid rgba(250,204,21,.2);border-radius:10px;padding:10px 14px}.results{display:flex;flex-direction:column;gap:18px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:16px}@media (max-width: 640px){.card-grid{grid-template-columns:1fr}}.pane{margin:0;display:flex;flex-direction:column;gap:8px}.pane figcaption{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim)}.img-box{border-radius:10px;border:1px solid var(--border);min-height:180px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--surface-high)}.img-box img{max-width:100%;max-height:320px;display:block}.result-box.bg-checker{background:conic-gradient(#9aa3ad 0 25%,#d7dce1 0 50%,#9aa3ad 0 75%,#d7dce1 0) 0 0 / 24px 24px}.result-box.bg-dark{background:#11151a}.result-box.bg-light{background:#f4f4f5}.progress-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;padding:24px;width:100%}.status{margin:0;font-size:13px;font-weight:600;color:#0e1116;background:#ffffffd9;border-radius:8px;padding:4px 10px}.progress{width:80%;max-width:280px;height:8px;border-radius:999px;background:#00000059;overflow:hidden}.progress-bar{height:100%;border-radius:inherit;background:var(--accent);transition:width .2s}.error-box{padding:20px;text-align:center}.error-box p{margin:4px 0;color:var(--error);font-weight:600}.error-detail{font-size:12px;font-weight:400!important;color:var(--text-dim)!important;word-break:break-word}.card-footer{border-top:1px solid var(--border);padding:12px 16px;display:flex;flex-direction:column;gap:10px}.file-name{margin:0;font-size:12.5px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.badge{font-size:12px;font-weight:600;padding:6px 10px;border-radius:8px}.badge.ok{color:var(--success);background:#4ade801a;border:1px solid rgba(74,222,128,.22)}.badge.warn{color:var(--warning);background:#facc151a;border:1px solid rgba(250,204,21,.22)}.bg-toggle{display:inline-flex;border:1px solid var(--border);border-radius:9px;overflow:hidden}.bg-toggle button{font-size:12px;font-weight:600;color:var(--text-dim);background:transparent;border:none;padding:7px 12px;cursor:pointer}.bg-toggle button+button{border-left:1px solid var(--border)}.bg-toggle button.active{color:var(--text);background:var(--surface-high)}.download-btn{margin-left:auto;font-size:13px;font-weight:700;color:#fff;background:var(--accent);text-decoration:none;border-radius:10px;padding:10px 16px;transition:filter .15s}.download-btn:hover{filter:brightness(1.1)}.refine-btn{font-size:13px;font-weight:700;color:var(--text);background:var(--surface-high);border:1px solid var(--border);border-radius:10px;padding:10px 16px;cursor:pointer;transition:border-color .15s}.refine-btn:hover{border-color:var(--accent)}.editor-overlay{position:fixed;inset:0;background:#05080cc7;backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:18px;z-index:50}.editor{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:min(1040px,100%);max-height:94vh;display:flex;flex-direction:column;overflow:hidden}.editor-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}.editor-header h2{margin:0;font-size:16px}.editor-file{color:var(--text-dim);font-weight:400}.editor-close{background:none;border:none;color:var(--text-dim);font-size:16px;cursor:pointer;padding:6px 10px;border-radius:8px}.editor-close:hover{background:var(--surface-high);color:var(--text)}.editor-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 18px 0}.seg{display:inline-flex;border:1px solid var(--border);border-radius:10px;overflow:hidden}.seg button{font-size:13px;font-weight:600;color:var(--text-dim);background:transparent;border:none;padding:9px 14px;cursor:pointer}.seg button+button{border-left:1px solid var(--border)}.seg button.active{color:var(--text);background:var(--surface-high)}.seg button.active.remove{color:var(--error)}.brush-size{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-dim)}.brush-size input{accent-color:var(--accent)}.sam-actions{display:inline-flex;gap:8px}.editor-toolbar button[data-act],.editor-footer button,.sam-actions button{font-size:13px;font-weight:600;color:var(--text);background:var(--surface-high);border:1px solid var(--border);border-radius:10px;padding:9px 14px;cursor:pointer}.editor-toolbar button[data-act]:disabled{opacity:.4;cursor:default}.editor button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.editor-hint{margin:8px 18px;font-size:12.5px;color:var(--text-dim);min-height:16px}.editor-canvas-wrap{margin:0 18px;border:1px solid var(--border);border-radius:10px;overflow:auto;display:flex;align-items:center;justify-content:center;flex:1;min-height:240px}.editor-canvas-wrap canvas{max-width:100%;max-height:64vh;display:block;cursor:crosshair;touch-action:none}.editor-footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 18px}.footer p{margin:0;font-size:12px;color:var(--text-dim);text-align:center}