:root{--bg: #02030a;--panel: rgba(12, 16, 30, .85);--panel-border: rgba(120, 160, 255, .18);--text: #e8eeff;--muted: #8a97b8;--accent: #4cc9f0;--accent2: #ffd166;--danger: #ef476f}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;overflow:hidden}.app{position:fixed;top:0;right:0;bottom:0;left:0}.app canvas{display:block;touch-action:none}button{font-family:inherit;cursor:pointer}.toolbar{position:absolute;top:16px;left:16px;z-index:5;display:flex;align-items:center;gap:8px;flex-wrap:wrap;max-width:calc(100% - 270px)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--panel-border);color:var(--text);border-radius:9px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.icon-btn.big{width:42px;height:42px;font-size:20px}.icon-btn.sm{width:22px;height:22px;font-size:11px;border-radius:6px;color:var(--muted)}.icon-btn.sm:hover{color:var(--danger);border-color:var(--danger)}.icon-btn.active,.tool-btn.active{background:var(--accent);color:#02030a;border-color:var(--accent)}.tool-btn{height:42px;padding:0 16px;font-size:13px;font-weight:600;background:var(--panel);border:1px solid var(--panel-border);color:var(--text);border-radius:9px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.model-toggle{display:flex;height:42px;border-radius:9px;overflow:hidden;border:1px solid var(--panel-border);background:var(--panel);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.model-toggle button{padding:0 14px;font-size:13px;font-weight:600;background:transparent;border:none;color:var(--muted)}.model-toggle button.on{background:linear-gradient(135deg,#4cc9f0,#4361ee);color:#fff}.tool-btn.star.active{background:#ffd1662e;border-color:var(--accent2);color:var(--accent2)}button.wide.accentbtn{color:var(--accent2);border-color:#ffd16666}button.wide.accentbtn:hover{background:#ffd16624}.panel{background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 40px #00000080}.left-panel{position:absolute;top:70px;left:16px;width:300px;max-height:calc(100% - 160px);overflow-y:auto;padding:6px 18px 18px}.panel-head{display:flex;align-items:center;justify-content:space-between;padding:12px 0 6px;position:sticky;top:0;background:var(--panel)}.panel-title{font-size:15px;font-weight:700}.panel section{margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.06)}.panel section:last-child{border-bottom:none;margin-bottom:0}.panel h2{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin:6px 0 10px;display:flex;align-items:center;gap:8px}.swatch{display:inline-block;width:13px;height:13px;border-radius:50%;border:1px solid rgba(255,255,255,.4);flex:none}.slider{display:block;margin:10px 0}.slider-head{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px}.slider-head .val{color:var(--accent2);font-variant-numeric:tabular-nums}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}.indent{padding-left:12px;border-left:2px solid var(--panel-border);margin:6px 0}.field{display:block;margin:10px 0}.field>span{display:block;font-size:13px;margin-bottom:5px}.field select{width:100%;padding:8px 10px;border-radius:8px;font-size:13px;cursor:pointer;background:#ffffff0f;border:1px solid var(--panel-border);color:var(--text)}.field select:focus{outline:none;border-color:var(--accent)}.readout{margin:10px 0;padding:8px 10px;border-radius:9px;background:#ffffff0d}.readout>div{display:flex;justify-content:space-between;font-size:13px;padding:2px 0}.ro-label{color:var(--muted)}.ro-val{color:var(--accent2);font-variant-numeric:tabular-nums}.color-row{display:flex;align-items:center;gap:10px}.color-row input[type=color]{width:40px;height:32px;border:1px solid var(--panel-border);border-radius:8px;background:none;cursor:pointer;padding:0}.swatches{display:flex;gap:6px;flex-wrap:wrap}.swatches .sw{width:22px;height:22px;border-radius:50%;border:2px solid transparent;cursor:pointer}.swatches .sw.on{border-color:#fff;box-shadow:0 0 0 2px var(--accent)}.field-label{display:block;font-size:13px;margin:6px 0 5px}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:10px}.tool-grid button{padding:8px 6px;font-size:12px;border-radius:8px;border:1px solid var(--panel-border);background:transparent;color:var(--muted)}.tool-grid button.on{background:var(--accent);color:#02030a;border-color:var(--accent);font-weight:600}.curve-list{list-style:none;margin:8px 0 0;padding:0;max-height:180px;overflow-y:auto}.curve-list li{display:flex;align-items:center;gap:8px;padding:5px 4px;border-radius:7px}.curve-list li:hover{background:#ffffff0f}.text-input{width:100%;padding:8px 10px;border-radius:8px;font-size:13px;background:#ffffff0f;border:1px solid var(--panel-border);color:var(--text)}.text-input:focus{outline:none;border-color:var(--accent)}.preset-load{flex:1;text-align:left;background:none;border:none;color:var(--text);font-size:13px;padding:4px 2px}.preset-load:hover{color:var(--accent)}.bh-badge{margin-top:10px;padding:8px 10px;border-radius:9px;font-weight:700;font-size:13px;display:flex;flex-direction:column;gap:3px}.bh-badge.star{background:#ffd1661f;color:#ffe08a}.bh-badge.bh{background:#b478ff29;color:#d4b3ff}.bh-badge .rs{font-weight:400;font-size:11px;color:var(--muted)}.seg{display:flex;gap:6px;margin-bottom:10px}.seg button{flex:1;padding:8px 6px;font-size:12px;border-radius:8px;border:1px solid var(--panel-border);background:transparent;color:var(--muted)}.seg button.on{background:var(--accent);color:#02030a;border-color:var(--accent);font-weight:600}button.wide{padding:9px;border-radius:9px;border:1px solid var(--panel-border);background:#ffffff0d;color:var(--text);font-size:13px}button.wide:hover{background:#ffffff1a}button.wide.full{width:100%;margin-top:6px}button.wide.danger{color:var(--danger);border-color:#ef476f66}button.wide.danger:hover{background:#ef476f26}button.link{background:none;border:none;color:var(--accent);font-size:12px;text-decoration:underline;padding:0}.hint{font-size:11.5px;color:var(--muted);margin:8px 0 0;line-height:1.45}.hint.warn{color:#ffd166}.check{display:flex;align-items:center;gap:8px;font-size:13px;margin-top:9px;cursor:pointer}.check input{accent-color:var(--accent)}.bodies-list{position:absolute;top:16px;right:16px;width:220px;z-index:5;background:var(--panel);border:1px solid var(--panel-border);border-radius:12px;padding:12px 14px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-height:calc(100% - 140px);overflow-y:auto}.bl-head{display:flex;justify-content:space-between;align-items:center;font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:8px}.bl-empty{font-size:11.5px;color:var(--muted);margin:4px 0 0}.bodies-list ul{list-style:none;margin:0;padding:0}.bodies-list li{display:flex;align-items:center;gap:8px;padding:6px;border-radius:7px;cursor:pointer}.bodies-list li:hover{background:#ffffff0f}.bodies-list li.sel{background:#4cc9f029}.bl-name{flex:1;font-size:13px}.bl-mass{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.time-bar{position:absolute;bottom:18px;left:50%;transform:translate(-50%);z-index:5;display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--panel-border);border-radius:30px;padding:8px 16px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 40px #00000080}.time-play,.time-reset{width:38px;height:38px;border-radius:50%;border:none;font-size:16px;color:#fff}.time-play{background:linear-gradient(135deg,#4cc9f0,#4361ee)}.time-reset{background:#ffffff14;border:1px solid var(--panel-border)}.time-speed{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.time-speed input{width:130px}.time-speed .val{color:var(--accent2);font-variant-numeric:tabular-nums;min-width:38px}.info-btn{position:absolute;bottom:16px;right:16px;z-index:5;padding:8px 12px;border-radius:9px;background:var(--panel);border:1px solid var(--panel-border);color:var(--text);font-size:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.info-card{position:absolute;bottom:56px;right:16px;width:330px;padding:16px 18px;z-index:6;background:var(--panel);border:1px solid var(--panel-border);border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 40px #00000080}.info-card h3{margin:0 0 10px;font-size:14px;color:var(--accent)}.info-card ul{margin:0;padding-left:18px}.info-card li{font-size:12.5px;line-height:1.5;margin-bottom:8px;color:#cdd6ee}.hint-bar{position:absolute;top:70px;left:50%;transform:translate(-50%);z-index:5;padding:10px 18px;background:#4cc9f029;border:1px solid var(--accent);border-radius:30px;font-size:13px;color:#d8f4ff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);white-space:nowrap}.help-tip{position:absolute;bottom:70px;left:50%;transform:translate(-50%);font-size:11.5px;color:var(--muted);background:#0000004d;padding:5px 12px;border-radius:20px}@media (max-width: 820px){.left-panel{width:calc(100% - 32px);max-height:50%}.info-card{width:calc(100% - 32px)}.hint-bar{white-space:normal;width:78%;text-align:center}.bodies-list{width:150px}}