*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#07070f;--panel:#0d0d1a;--panel2:#12122a;--border:#1c1c35;--acc:#6c63ff;--acc2:#ff6584;--txt:#dddaf8;--dim:#a8a5b7;--f:'Inter',system-ui,sans-serif;--mono:'Fira Mono',monospace}
html,body{width:100%;height:100%;background:var(--bg);color:var(--txt);font-family:var(--f);overflow:hidden}
#cv{position:fixed;inset:0;display:block;touch-action:none}
#cv2{position:fixed;inset:0;display:none;touch-action:none}
#hdr{position:fixed;top:0;left:0;right:0;height:48px;background:rgba(7,7,15,.92);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 12px;gap:10px;z-index:300;backdrop-filter:blur(10px)}
.logo{font-size:1.05rem;font-weight:800;background:linear-gradient(110deg,var(--acc),var(--acc2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap;flex-shrink:0}
.sep{flex:1}
.logo a {text-decoration: none;}
.pill{font-size:.65rem;font-family:var(--mono);color:var(--dim);background:var(--border);padding:3px 8px;border-radius:20px;white-space:nowrap}
#sb{position:fixed;top:48px;left:0;bottom:0;width:228px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:200;transition:transform .2s ease}
#sb.hide{transform:translateX(-228px)}
#sbsearch{padding:8px 8px 4px;flex-shrink:0}
#sbsearch input{width:100%;background:var(--panel2);border:1px solid var(--border);border-radius:7px;color:var(--txt);font-size:.76rem;padding:5px 9px;outline:none;font-family:var(--f)}
#sbsearch input:focus{border-color:var(--acc)}
#sbsearch input::placeholder{color:var(--dim)}
#sblist{overflow-y:auto;flex:1;scrollbar-width:thin;scrollbar-color:var(--border) transparent}
#sblist::-webkit-scrollbar{width:3px}
#sblist::-webkit-scrollbar-thumb{background:var(--border)}
.gh{display:flex;align-items:center;justify-content:space-between;padding:9px 10px 7px;cursor:pointer;user-select:none;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--panel);z-index:1}
.gl{font-size:.6rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.gc{font-size:.58rem;color:var(--dim);background:var(--border);padding:2px 6px;border-radius:10px;font-family:var(--mono)}
.ga{font-size:.65rem;color:var(--dim);transition:transform .18s;margin-left:2px}
.gi{overflow:hidden;max-height:0;transition:max-height .22s ease}
.gi.open{max-height:3000px}
.gh.open .ga{transform:rotate(90deg)}
.fb{display:block;width:100%;text-align:left;background:none;border:none;color:var(--txt);font-size:.78rem;font-family:var(--f);padding:5px 12px 5px 18px;cursor:pointer;border-left:2px solid transparent;transition:all .1s;line-height:1.4}
.fb:hover{background:rgba(108,99,255,.1);color:#fff}
.fb.on{border-left-color:var(--acc);color:#fff;background:rgba(108,99,255,.14);font-weight:600}
#tb{position:fixed;top:56px;right:8px;display:flex;flex-direction:column;gap:5px;z-index:300}
.tbb{width:34px;height:34px;background:rgba(13,13,26,.92);border:1px solid var(--border);border-radius:7px;cursor:pointer;font-size:.9rem;display:flex;align-items:center;justify-content:center;color:var(--txt);transition:all .12s;position:relative;flex-shrink:0}
.tbb:hover{background:var(--border);border-color:var(--acc);color:#fff}
.tbb:active{transform:scale(.88)}
.tbb[title]::after{content:attr(title);position:absolute;right:calc(100% + 7px);top:50%;transform:translateY(-50%);background:#12122a;color:var(--txt);font-size:.64rem;padding:3px 7px;border-radius:4px;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .12s;border:1px solid var(--border)}
.tbb:hover::after{opacity:1}
#info-panel{position:fixed;bottom:0;left:228px;right:0;background:rgba(7,7,15,.94);border-top:1px solid var(--border);padding:9px 16px 9px 14px;z-index:150;display:flex;align-items:center;gap:14px;transition:left .2s;backdrop-filter:blur(8px);min-height:68px;max-height:98px}
#info-panel.sb-hide{left:0}
.info-left{flex:1;min-width:0}
.info-name{font-size:.82rem;font-weight:700;color:var(--txt);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.info-text{font-size:.68rem;color:var(--dim);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-text .katex{color:var(--dim);font-size:1.05em}
.info-formula{font-family:var(--mono);font-size:.78rem;color:var(--acc);background:rgba(108,99,255,.1);border:1px solid rgba(108,99,255,.25);border-radius:6px;padding:5px 11px;flex-shrink:0;align-self:flex-start;margin-top:2px;max-width:38vw;overflow-x:auto}
.info-formula .katex{color:var(--acc);font-size:1.05em}
.info-formula .katex .mord,.info-formula .katex .mbin,.info-formula .katex .mrel,.info-formula .katex .mop{color:var(--acc)}
.info-coords{font-size:.62rem;font-family:var(--mono);color:var(--dim);display:flex;flex-direction:column;gap:2px;flex-shrink:0;align-self:center;text-align:right; display: none;}
.info-coords span.v{color:var(--txt)}
#themes-panel{position:fixed;top:56px;right:50px;width:310px;background:var(--panel);border:1px solid var(--border);border-radius:10px;z-index:400;display:none;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,.5)}
#themes-panel.open{display:block}
.tp-header{padding:10px 14px;font-size:.75rem;font-weight:700;color:var(--txt);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.tp-close{cursor:pointer;color:var(--dim);font-size:1rem}
.tp-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px;padding:8px}
.theme-btn{border:1px solid var(--border);border-radius:7px;padding:5px 9px;cursor:pointer;background:var(--panel2);color:var(--txt);font-size:.7rem;font-family:var(--f);text-align:left;transition:all .12s;display:flex;align-items:center;gap:7px}
.theme-btn:hover{border-color:var(--acc);background:rgba(108,99,255,.12)}
.theme-btn.active{border-color:var(--acc);background:rgba(108,99,255,.22);color:#fff;font-weight:600}
.theme-swatch{width:30px;height:16px;border-radius:3px;flex-shrink:0}
#toast{position:fixed;top:58px;left:50%;transform:translateX(-50%);background:rgba(13,13,26,.96);border:1px solid var(--border);border-radius:8px;padding:6px 16px;font-size:.72rem;color:var(--dim);z-index:500;text-align:center;pointer-events:none;opacity:0;transition:opacity .25s;max-width:70vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#toast.on{opacity:1}
#ldr{position:fixed;inset:0;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:999;gap:14px;transition:opacity .35s}
#ldr.out{opacity:0;pointer-events:none}
.ring{width:42px;height:42px;border:3px solid var(--border);border-top-color:var(--acc);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.lt{font-size:.76rem;color:var(--dim)}
.lil-gui.root{--background-color:#0d0d1a!important;--title-background-color:#12122a!important;--widget-color:#1c1c35!important;--hover-color:#22223a!important;--focus-color:#6c63ff!important;--text-color:#dddaf8!important;--title-text-color:#fff!important;--number-color:#6c63ff!important;--string-color:#ff6584!important;width:252px!important;border-radius:9px!important;border:1px solid #1c1c35!important;max-height:calc(100vh - 180px)!important;overflow-y:auto!important;scrollbar-width:thin}
@media(max-width:599px){#sb{width:100vw}#sb.hide{transform:translateX(-100vw)}#info-panel{left:0!important;font-size:.65rem}.info-formula{display:none}}