:root{--bg: #17181c;--panel: #1f2127;--panel-2: #262932;--border: #33363f;--text: #e7e9ee;--muted: #9aa0ad;--accent: #6ea8fe}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:system-ui,Segoe UI,sans-serif;font-size:14px}.app{display:flex;flex-direction:column;height:100%}.app-body{flex:1;min-height:0;display:flex}.app-main{flex:1;min-width:0;display:flex;flex-direction:column}.canvas-area{flex:1;min-height:0;position:relative;display:flex}.canvas-host{flex:1;min-height:0;position:relative}.canvas-host canvas{position:absolute;top:0;right:0;bottom:0;left:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar-brand{display:flex;align-items:baseline;gap:8px}.topbar-actions{display:flex;gap:6px}.sidebar{width:200px;flex:none;overflow-y:auto;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column}.sidebar-section{border-bottom:1px solid var(--border)}.sidebar-section-title{display:flex;align-items:center;gap:6px;width:100%;padding:8px 10px;background:none;border:none;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;text-align:left}.sidebar-section-title:hover{color:var(--text)}.sidebar-section-title .chevron{font-size:10px;width:10px}.sidebar-section-body{display:flex;flex-wrap:wrap;gap:4px;padding:0 10px 10px}.sidebar-section-body .tool{flex:1 1 40%;justify-content:flex-start}.brush-size{flex:1 1 100%;display:flex;align-items:center;gap:8px;font-size:12px;padding-top:4px}.swatch-row{display:flex;gap:6px}.env-shapes{display:flex;gap:4px}.env-shapes .tool{flex:none;padding:4px 9px}.env-select{flex:1 1 100%;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;font-size:13px;padding:5px 6px}.muted{color:var(--muted)}.tool{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:13px}.tool:hover:not(:disabled){border-color:var(--accent)}.tool.active{background:var(--accent);border-color:var(--accent);color:#10131a;font-weight:600}.tool:disabled{opacity:.4;cursor:default}.tool.primary{background:#2e6b46;border-color:#3c8a5b}.tool.primary:hover{border-color:#57c283}.tool-icon{font-size:15px;line-height:1}.swatch{width:26px;height:26px;border-radius:6px;border:2px solid transparent;cursor:pointer}.swatch.active{border-color:#fff;box-shadow:0 0 0 2px var(--accent)}input[type=range]{width:90px}.char-panel{flex:none;max-height:170px;overflow-y:auto;background:var(--panel);border-top:1px solid var(--border);padding:8px 12px;display:flex;flex-direction:column;gap:6px}.char-panel-head{display:flex;align-items:baseline;gap:12px}.char-panel h3{margin:0;font-size:14px}.char-cards{display:flex;flex-wrap:wrap;gap:6px}.char-card{display:flex;align-items:center;gap:6px;padding:6px 8px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px}.char-card .char-name{width:110px;flex:none}.char-select{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:5px;font-size:12px;padding:3px 4px}.char-dot{width:14px;height:14px;border-radius:50%;border:2px solid #fff;flex:none}.char-name{flex:1;min-width:0;padding:4px 6px;background:var(--panel-2);border:1px solid var(--border);border-radius:5px;color:var(--text);font-size:13px}.char-name:focus{outline:none;border-color:var(--accent)}.char-dv{display:inline-flex;align-items:center;gap:2px;cursor:pointer;font-size:13px}.char-del{background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:2px 4px}.char-del:hover{color:#e05d5d}.char-hint{margin:4px 0 0;font-size:11px}.statusbar{display:flex;align-items:center;gap:10px;padding:4px 12px;background:var(--panel);border-top:1px solid var(--border);font-size:12px}.statusbar-hints{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tool.small{padding:3px 8px;font-size:12px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:10}.dialog{width:340px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px;display:flex;flex-direction:column;gap:12px}.dialog h2{margin:0;font-size:17px}.dialog .warn{margin:0;font-size:12px}.dialog label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted);flex:1}.dialog input{padding:7px 9px;background:var(--panel-2);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:14px}.dialog input:focus{outline:none;border-color:var(--accent)}.dialog 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button.danger:hover{border-color:#e05d5d;color:#e05d5d}.dialog-wide{width:480px;max-height:80vh}.map-list{display:flex;flex-direction:column;gap:6px;overflow-y:auto;min-height:60px}.map-row{display:flex;align-items:center;gap:8px;padding:6px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2)}.map-row.current{border-color:var(--accent)}.map-open{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:none;border:none;color:var(--text);cursor:pointer;text-align:left;padding:4px 6px;font-size:13px}.map-open:hover strong{color:var(--accent)}.map-open .muted{font-size:11px}.map-actions{display:flex;gap:4px}.map-actions .tool{padding:4px 7px}.tool.danger:hover{border-color:#e05d5d}.error{color:#e05d5d}.session-panel{position:absolute;bottom:10px;left:10px;width:280px;max-height:45%;overflow-y:auto;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:10px 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