:root{--bg: #fafafa;--surface: #ffffff;--ink: #111;--muted: #666;--line: #e5e5e5;--focus: #111;--accent: #2563eb;--error: #dc2626;--success: #16a34a;--mono: "JetBrains Mono", monospace;--sans: "Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;font-family:var(--sans);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}.app{width:min(720px,90vw);margin:3rem auto}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem}.app-header h1{font-size:1.25rem;font-weight:600;letter-spacing:-.02em}.net-led{display:inline-flex;align-items:center;gap:.4rem;font-size:.75rem;font-weight:500;color:var(--muted)}.net-dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--success)}.net-led[data-state=loading] .net-dot{background:#e2a118;animation:pulse 1.1s infinite}.net-led[data-state=offline-ready] .net-dot,.net-led[data-state=offline] .net-dot{background:var(--error)}@keyframes pulse{0%{box-shadow:0 0 #e2a11880}to{box-shadow:0 0 0 8px #e2a11800}}.toolbar{margin-bottom:1.25rem}.mode-toggle{display:inline-flex;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:2px;gap:0}.mode-btn{border:none;background:transparent;padding:.35rem .85rem;font-family:inherit;font-size:.8rem;font-weight:500;color:var(--muted);border-radius:6px;cursor:pointer;transition:all .15s ease}.mode-btn.active{background:var(--focus);color:#fff}.mode-btn:not(.active):hover{color:var(--ink)}.input-row{display:flex;gap:.5rem;margin-bottom:.75rem}.file-drop{position:relative;display:inline-flex;align-items:center;justify-content:center;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;font-weight:500;font-size:.85rem;height:2.5rem;padding:0 1rem;cursor:pointer;overflow:hidden;flex-shrink:0}.file-drop input{position:absolute;inset:0;opacity:0;cursor:pointer}.url-input{display:flex;flex:1;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface)}.url-input input{flex:1;height:2.5rem;border:0;background:transparent;padding:0 .75rem;font-family:inherit;font-size:.85rem;color:var(--ink);min-width:0}.url-input input:focus{outline:none}.url-input button{border:none;border-left:1px solid var(--line);background:transparent;padding:0 .85rem;font-family:inherit;font-size:.8rem;font-weight:500;color:var(--muted);cursor:pointer;white-space:nowrap}.url-input button:disabled{opacity:.4;cursor:wait}.action-row{display:flex;gap:.5rem;align-items:center;margin-bottom:1rem}.select-wrap{border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:0 .5rem;height:2.5rem;display:inline-flex;align-items:center}.select-wrap select{border:none;background:transparent;font-family:inherit;font-size:.85rem;color:var(--ink);cursor:pointer;min-width:140px}.select-wrap select:focus{outline:none}#generateButton{border:none;height:2.5rem;padding:0 1.25rem;border-radius:8px;font-size:.85rem;font-family:inherit;font-weight:500;background:var(--focus);color:#fff;cursor:pointer}#generateButton:disabled{opacity:.5;cursor:wait}.mask-dl{position:absolute;top:.5rem;right:.5rem;width:1.8rem;height:1.8rem;display:inline-flex;align-items:center;justify-content:center;background:var(--surface);color:var(--ink);text-decoration:none;border:1px solid var(--line);border-radius:6px;font-size:1rem;font-weight:600;opacity:0;transition:opacity .15s ease}.preview:hover .mask-dl{opacity:1}.status{font-size:.85rem;color:var(--muted);margin-bottom:.25rem}.model-info{font-size:.75rem;color:var(--muted);font-family:var(--mono);margin-bottom:1.5rem}.hidden{display:none}.previews{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-bottom:2rem}.mask-results{grid-column:1 / -1;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}.preview{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface);position:relative}.preview-tag{display:block;font-size:.7rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:.6rem .75rem 0}.preview-img{display:block;width:100%;aspect-ratio:4 / 3;object-fit:contain;padding:.5rem .75rem .75rem;cursor:zoom-in}.zoom-overlay{position:fixed;inset:0;z-index:1000;background:#000000d9;display:none;align-items:center;justify-content:center;cursor:zoom-out;padding:2rem}.zoom-overlay.active{display:flex}.zoom-image{max-width:95vw;max-height:95vh;object-fit:contain;border-radius:8px;box-shadow:0 8px 32px #0006}.zoom-close{position:fixed;top:1rem;right:1.25rem;z-index:1001;border:none;background:#ffffff26;color:#fff;width:2.2rem;height:2.2rem;border-radius:50%;font-size:1.3rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.zoom-close:hover{background:#ffffff40}.benchmark{margin-top:2rem;border-top:1px solid var(--line);padding-top:1.5rem}.benchmark-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.benchmark-header h2{font-size:1rem;font-weight:600;letter-spacing:-.01em}.ghost-btn{border:none;background:transparent;font-family:inherit;font-size:.8rem;color:var(--muted);cursor:pointer;padding:.35rem .5rem;border-radius:6px}.ghost-btn:hover{color:var(--ink);background:var(--line)}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface)}table{width:100%;border-collapse:collapse;font-size:.8rem}thead{border-bottom:1px solid var(--line)}th{text-align:left;padding:.6rem .75rem;font-weight:500;color:var(--muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}td{padding:.6rem .75rem;border-top:1px solid var(--line);white-space:nowrap}.cell-name{font-weight:500}.cell-mono{font-family:var(--mono);font-size:.75rem;color:var(--muted)}.cell-status{font-weight:500}.status-error{color:var(--error)}@media(max-width:640px){.app{margin:1.5rem auto}.input-row{flex-direction:column}.file-drop{width:100%}.action-row{flex-wrap:wrap}.select-wrap select{min-width:120px}.previews{grid-template-columns:1fr}}