:root{--bg: #15171b;--panel: #1f2228;--line: #2f333b;--text: #e6e8ec;--muted: #98a1b0;--accent: #4cc9f0;--warning: #f4a261;--error: #ef476f;color-scheme:dark}*{box-sizing:border-box}body{margin:0;font:14px/1.45 system-ui,sans-serif;background:var(--bg);color:var(--text)}.app{display:grid;grid-template-rows:auto 1fr;height:100vh}.app__body{display:grid;grid-template-columns:1fr 340px;min-height:0}.app__side{display:grid;grid-template-rows:1fr auto;border-left:1px solid var(--line);min-height:0;overflow:auto}.toolbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--panel)}.toolbar__spacer{flex:1}.toolbar__dims{color:var(--muted);font-variant-numeric:tabular-nums}.toolbar__privacy{color:var(--muted);font-size:12px}.panel{padding:12px 16px;overflow:auto}.panel h2{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 8px}button,select,input{font:inherit;color:var(--text);background:#2a2e36;border:1px solid var(--line);border-radius:6px;padding:5px 8px}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);color:#0d1117;border-color:transparent;font-weight:600}input[type=checkbox],input[type=range],input[type=color]{padding:0}.viewer{position:relative;min-height:0;overflow:hidden}.viewer__canvas{position:absolute;top:0;right:0;bottom:0;left:0}.viewer__overlay{position:absolute;left:12px;bottom:12px;display:flex;gap:8px;align-items:center;background:#15171bd9;padding:8px 12px;border-radius:8px;flex-wrap:wrap}.viewer__sheet{position:absolute;top:0;right:0;bottom:0;left:0;overflow:auto;background:var(--bg)}.dropzone{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#4cc9f01f;border:2px dashed var(--accent);font-size:18px}.faces{list-style:none;margin:0;padding:0;display:grid;gap:6px}.faces__item{display:grid;grid-template-columns:14px 1fr auto;gap:8px;align-items:center;padding:8px;border:1px solid var(--line);border-radius:8px}.faces__item--active{border-color:var(--accent)}.faces__chip{width:14px;height:14px;border-radius:4px}.faces__meta{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.faces__warning{color:var(--warning);font-size:12px}.faces__error{color:var(--error);font-size:12px}.field{display:grid;grid-template-columns:1fr 130px;gap:8px;align-items:center;margin-bottom:8px}.field--wide{grid-template-columns:1fr}.messages{position:fixed;right:16px;top:16px;display:grid;gap:8px;z-index:10;max-width:420px}.messages__item{padding:10px 12px;border-radius:8px;background:var(--panel);border-left:4px solid var(--accent)}.messages__item--warning{border-left-color:var(--warning)}.messages__item--error{border-left-color:var(--error)}