:root{--bg:#0b1020;--panel:rgba(18,26,48,.82);--line:rgba(255,255,255,.1);--fg:#e8eefc;--dim:#93a1c4;--acc:#4cc2ff}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,#16204a,#070a16);color:var(--fg);font:14px/1.4 system-ui,sans-serif}
#c{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#c.drag{cursor:grabbing}
.panel{position:fixed;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px;backdrop-filter:blur(10px)}
#side{left:16px;top:16px;width:230px;max-height:calc(100% - 110px);overflow:auto}
h1{margin:0;font-size:20px}h1 span{color:var(--acc)}
.sub{margin:2px 0 10px;color:var(--dim);font-size:12px}
#list button{display:flex;justify-content:space-between;align-items:center;width:100%;margin:0 0 6px;padding:8px 10px;background:transparent;color:var(--fg);border:1px solid var(--line);border-radius:9px;cursor:pointer;font:inherit;text-align:left}
#list button:hover{border-color:var(--acc)}
#list button.on{background:rgba(76,194,255,.18);border-color:var(--acc)}
#list small{color:var(--dim)}
#info{right:16px;top:16px;width:250px}
h2{margin:0;font-size:17px}
.formula{font-size:22px;color:var(--acc);margin:2px 0 8px}
dl{display:grid;grid-template-columns:1fr auto;gap:2px 10px;margin:0}dt{color:var(--dim)}dd{margin:0;text-align:right}
.desc{color:var(--dim);font-size:12.5px;margin:10px 0}
#sel{border-top:1px solid var(--line);padding-top:8px;font-size:12.5px}#sel span{color:var(--dim)}
#bar{position:fixed;left:50%;bottom:34px;transform:translateX(-50%);display:flex;gap:8px;flex-wrap:wrap;justify-content:center;width:max-content;max-width:calc(100% - 24px)}
#bar button{background:var(--panel);color:var(--fg);border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;font:inherit;backdrop-filter:blur(10px)}
#bar button:hover{border-color:var(--acc)}
#bar button.on{background:rgba(76,194,255,.22);border-color:var(--acc)}
.seg{display:flex;gap:0}.seg button{border-radius:0!important}.seg button:first-child{border-radius:10px 0 0 10px!important}.seg button:last-child{border-radius:0 10px 10px 0!important}
#hint{position:fixed;left:0;right:0;bottom:8px;text-align:center;color:var(--dim);font-size:12px;pointer-events:none;padding:0 8px}
#labels{position:fixed;inset:0;pointer-events:none;overflow:hidden}
#labels i{position:absolute;transform:translate(-50%,-50%);font:bold 13px system-ui;font-style:normal;color:#fff;text-shadow:0 0 3px #000,0 0 3px #000;white-space:nowrap}
#tip{position:fixed;pointer-events:none;background:#000c;border:1px solid var(--line);border-radius:7px;padding:3px 8px;font-size:12px;display:none}
#noGL{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg)}
#noGL[hidden]{display:none}
@media(max-width:760px){#side{width:auto;right:16px;max-height:none}#list{display:flex;gap:6px;overflow:auto}#list button{width:auto;white-space:nowrap;margin:0}#list small{display:none}#info{top:auto;bottom:120px;left:16px;right:16px;width:auto}.desc{display:none}#sel{display:none}.sub{display:none}#hint{display:none}}
#list h4{margin:12px 0 6px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}#list h4:first-child{margin-top:0}
.slider{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:6px 12px;backdrop-filter:blur(10px)}
.slider input{width:110px;accent-color:var(--acc)}
#simInfo{color:#ffd56b;font-size:12px;margin:0 0 8px;font-variant-numeric:tabular-nums}
@media(max-width:760px){#list h4{display:none}}