:root{--bg: #14161a;--panel: #1c1f26;--panel-2: #23272f;--line: #2e333d;--text: #e8eaed;--muted: #9aa1ab;--accent: #c9a86a;--accent-2: #6a8fc9;--ok: #6fbf73}*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);overflow:hidden}#app{display:grid;grid-template-columns:340px 1fr;height:100vh}#panel{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow-y:auto}.panel-head{padding:18px 18px 8px}.panel-head h1{margin:0;font-size:20px;letter-spacing:.5px}.panel-head .sub{margin:4px 0 0;color:var(--muted);font-size:12px}.group{padding:14px 18px;border-top:1px solid var(--line)}.group.actions{margin-top:auto}.group-label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:8px}.hint{color:var(--muted);font-size:11px}textarea{width:100%;resize:vertical;background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:10px;font-size:14px;font-family:inherit;line-height:1.5}textarea:focus,input:focus{outline:1px solid var(--accent-2)}.row{display:flex;justify-content:space-between;align-items:center;margin-top:8px}.check{font-size:12px;color:var(--text);display:flex;align-items:center;gap:6px;cursor:pointer}.field{margin-bottom:12px}.field-label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.seg{display:flex;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg button{flex:1;background:transparent;color:var(--muted);border:0;padding:8px;font-size:12px;cursor:pointer}.seg button.active{background:var(--accent-2);color:#fff}.slider{margin:10px 0}.slider label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:4px}.slider output{color:var(--text);font-variant-numeric:tabular-nums}input[type=range]{width:100%;accent-color:var(--accent)}.file-row{display:flex;align-items:center;gap:10px}.btn{background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:13px;cursor:pointer;width:100%}.btn:hover{border-color:var(--accent-2)}.btn.ghost{width:auto;padding:7px 12px}.btn.primary{background:var(--accent);color:#1a1a1a;border-color:var(--accent);font-weight:600}.btn.primary:hover{filter:brightness(1.06)}.btn.wide{margin-top:4px}.btn:disabled{opacity:.5;cursor:not-allowed}.actions .btn{margin-bottom:8px}.actions hr{border:0;border-top:1px solid var(--line);margin:6px 0 12px}.progress{margin-top:6px}.progress.hidden{display:none}.bar{height:6px;background:var(--panel-2);border-radius:4px;overflow:hidden}#progressBar{height:100%;width:0;background:var(--ok);transition:width .15s}#progressText{font-size:11px;color:var(--muted)}.panel-foot{padding:10px 18px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}#viewer{position:relative}#canvas{display:block;width:100%;height:100%}.tabs{position:absolute;top:12px;left:12px;right:12px;display:flex;gap:6px;flex-wrap:wrap;z-index:5;max-height:96px;overflow-y:auto}.tabs .tab{background:#1c1f26d9;border:1px solid var(--line);color:var(--muted);padding:5px 10px;border-radius:999px;font-size:12px;cursor:pointer;backdrop-filter:blur(6px)}.tabs .tab.active{color:#fff;border-color:var(--accent);background:#c9a86a2e}.overlay{position:absolute;bottom:12px;left:50%;transform:translate(-50%);background:#1c1f26d9;border:1px solid var(--line);padding:6px 14px;border-radius:999px;font-size:12px;color:var(--muted);backdrop-filter:blur(6px);pointer-events:none;display:flex;gap:8px;align-items:center;white-space:nowrap}.ok-badge{color:#0f1512;background:var(--ok);padding:1px 8px;border-radius:999px;font-weight:600}.warn-badge{color:#1a1206;background:#e0a94a;padding:1px 8px;border-radius:999px;font-weight:600}