:root{--surface:#ffffffe6;--surface-solid:#fff;--surface-2:#f1f3f4;--surface-3:#e8eaed;--border:#dadce0;--text:#1f1f1f;--dim:#5f6368;--accent:#1a73e8;--accent-hover:#1765cc;--accent-soft:#e8f0fe;--accent-text:#0b57d0;--danger:#d93025;--gold:#f9ab00;--shadow:0 1px 2px #3c40434d, 0 2px 6px 2px #3c404326;--shadow-lg:0 2px 6px #3c40434d, 0 8px 24px 4px #3c40432e;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);-webkit-font-smoothing:antialiased;font-family:Google Sans,Roboto,ui-sans-serif,system-ui,-apple-system,Segoe 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input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}label.check input[type=checkbox]:checked:after{background:#fff;width:16px;height:16px;left:18px}label.check input[type=checkbox]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}label.check .help{order:2}button{width:100%;height:36px;color:var(--accent-text);letter-spacing:.01em;background:var(--surface-solid);border:1px solid var(--border);cursor:pointer;border-radius:18px;padding:0 16px;font-size:14px;font-weight:500;transition:background .15s,box-shadow .15s,border-color .15s}button:hover:not(:disabled){background:#f6f9fe;border-color:#c4c7c5}button:active:not(:disabled){background:var(--accent-soft)}button:disabled{opacity:.5;cursor:progress}button.primary{background:var(--accent);color:#fff;border-color:#0000}button.primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 1px 3px #3c40434d}button.icon{width:32px;height:32px;color:var(--dim);background:0 0;border:none;border-radius:50%;padding:0;font-size:18px;line-height:1}button.icon:hover:not(:disabled){background:#3c404314}button.link{width:auto;height:auto;color:var(--accent-text);background:0 0;border:none;padding:0;font-size:13px}button.link:hover:not(:disabled){background:0 0;text-decoration:underline}button.danger:hover:not(:disabled){color:var(--danger)!important;background:#fce8e6!important;border-color:#f6aea9!important}.row{gap:8px;display:flex}.hint{color:var(--dim);margin:0;font-size:11.5px;line-height:1.5}.tabs{background:var(--surface-2);border-radius:20px;gap:2px;padding:3px;display:flex}.tabs button{height:32px;color:var(--dim);background:0 0;border:none;border-radius:16px;padding:0 8px;font-size:13px}.tabs button:hover:not(:disabled){background:#3c40430f}.tabs button.active{background:var(--surface-solid);color:var(--accent-text);box-shadow:var(--shadow)}#account{background:var(--surface-2);border-radius:14px;flex-direction:column;gap:8px;padding:10px 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#fff;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:17px;font-weight:500;display:inline-flex}button.avatar:hover{filter:brightness(1.08);box-shadow:var(--shadow-lg)}.avatar.big{cursor:default;width:64px;height:64px;margin-bottom:4px;font-size:28px}#account-menu{text-align:center;background:var(--surface-solid);width:260px;box-shadow:var(--shadow-lg);border-radius:20px;flex-direction:column;align-items:center;gap:2px;padding:20px 16px 16px;font-size:14px;display:flex;position:absolute;top:48px;right:0}#account-menu[hidden]{display:none}#account-menu-name{font-size:16px;font-weight:500}#account-menu .dim{color:var(--dim);word-break:break-all;font-size:12.5px}#account-menu .dim:empty{display:none}#account-menu button{width:auto;margin-top:12px;padding:0 20px}#register-fields{flex-direction:column;gap:12px;display:flex}#register-fields[hidden]{display:none}#register-fields .row input{flex:1;min-width:0}#account-form .row{align-items:center}#account-form 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8px;display:flex}.modal-body h2{margin:0;font-size:20px;font-weight:500}.info-scroll{color:#3c4043;padding:0 24px 24px;font-size:14px;line-height:1.6;overflow-y:auto}.info-scroll h3{color:var(--text);margin:0 0 4px;font-size:15px;font-weight:500}.info-scroll p,.info-scroll ul{margin:0 0 8px}.info-scroll ul{padding-left:20px}.info-scroll li{margin-bottom:6px}.info-scroll .formula{text-align:center;background:var(--accent-soft);color:var(--accent-text);border-radius:12px;margin:10px 0;padding:10px;font:500 20px Roboto Mono,ui-monospace,monospace}.info-scroll .diagram{width:100%;max-width:360px;margin:6px auto 10px;font-family:Roboto,system-ui,sans-serif;display:block}#account-dialog{background:var(--surface-solid);width:min(360px,100vw - 32px);color:inherit;border:none;border-radius:24px;padding:0;box-shadow:0 12px 40px #00000040}#account-dialog::backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#20212473}#account-dialog[open]{animation:.16s ease-out dlg-in}@keyframes dlg-in{0%{opacity:0;transform:translateY(8px)scale(.98)}}#account-form{flex-direction:column;gap:12px;padding:20px 24px 24px;display:flex}#account-form header{justify-content:space-between;align-items:center;display:flex}#account-form h2{margin:0;font-size:20px;font-weight:500}#account-form .hint{margin:0}#account-form>.row{justify-content:flex-end;margin-top:4px}#save-form{flex-direction:column;gap:8px;display:flex}.cards{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.cards .empty{color:var(--dim);font-size:13px;line-height:1.5}.card{background:var(--surface-solid);border:1px solid var(--border);border-radius:14px;gap:12px;padding:8px;transition:box-shadow .15s,border-color .15s;display:flex}.card.clickable{cursor:pointer}.card.clickable:hover{box-shadow:var(--shadow);border-color:#0000}.card .thumb{color:#9aa0a6;background:#000;border-radius:8px;flex:0 0 80px;place-items:center;height:50px;display:grid;overflow:hidden}.card .thumb img{object-fit:cover;width:100%;height:100%;display:block}.card .body{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.card .title{white-space:nowrap;text-overflow:ellipsis;font-size:13.5px;font-weight:500;overflow:hidden}.card .meta{color:var(--dim);overflow-wrap:anywhere;font-size:11.5px}.card .actions{gap:6px;margin-top:4px;display:flex}.card .actions button,.card .actions a.button{width:auto;height:28px;color:var(--accent-text);background:var(--surface-solid);border:1px solid var(--border);border-radius:14px;padding:0 12px;font-size:12.5px;line-height:26px;text-decoration:none}.bar{background:var(--accent-soft);border-radius:2px;height:4px;overflow:hidden}.bar span{background:var(--accent);height:100%;transition:width .4s;display:block}.help{background:var(--surface-3);width:16px;height:16px;color:var(--dim);cursor:help;vertical-align:1px;border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:10.5px;font-weight:700;line-height:1;display:inline-flex}.help:hover,.help:focus{background:var(--accent-soft);color:var(--accent-text);outline:none}.help:after{content:attr(data-tip);z-index:10;color:#fff;text-align:left;white-space:normal;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;pointer-events:none;background:#3c4043;border-radius:8px;padding:8px 12px;font-size:12px;font-weight:400;line-height:1.5;transition:opacity .12s,transform .12s;position:absolute;top:calc(100% + 6px);left:0;right:0;transform:translateY(-2px)}.help:hover:after,.help:focus:after{opacity:1;visibility:visible;transform:none}#hud{left:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));max-width:calc(100vw - 24px);color:var(--text);pointer-events:none;border-radius:16px;padding:10px 40px 10px 14px;font-family:Roboto Mono,ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:11.5px;line-height:1.6}#hud b{color:var(--dim);font-weight:500}#hud .dim{color:var(--dim)}#hud .corner{pointer-events:auto}.corner{width:24px;height:24px;color:var(--dim);box-shadow:var(--shadow);cursor:pointer;background:#ffffffd9;border:none;border-radius:50%;place-items:center;padding:0;font-size:15px;line-height:1;display:grid;position:absolute;top:6px;right:6px}.corner:hover{color:var(--text);background:#fff}#show-panel,#show-minimap,#show-hud{width:auto;height:36px;color:var(--text);border-radius:18px;padding:0 14px;font-size:13px;font-weight:500}#show-panel{top:calc(12px + env(safe-area-inset-top,0px));font-size:16px;left:12px}#show-minimap{bottom:calc(12px + env(safe-area-inset-bottom,0px));right:12px}#show-hud{left:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px))}#minimap{bottom:calc(12px + env(safe-area-inset-bottom,0px));cursor:pointer;box-shadow:var(--shadow-lg);border:3px solid #fff;border-radius:16px;line-height:0;position:fixed;right:12px;overflow:hidden}#minimap canvas{width:220px;height:165px;display:block}#minimap-status{color:var(--accent-text);box-shadow:var(--shadow);background:#ffffffeb;border-radius:10px;padding:0 8px;font-size:11px;font-weight:500;line-height:20px;position:absolute;top:6px;left:6px}#minimap-status:empty{display:none}@property --sweep{syntax:"<angle>";inherits:false;initial-value:0deg}@keyframes sweep{to{--sweep:360deg}}@keyframes busy-glow{0%,to{box-shadow:var(--shadow-lg), 0 0 0 0 #1a73e800}50%{box-shadow:var(--shadow-lg), 0 0 16px 3px #1a73e88c}}#minimap:after{content:"";pointer-events:none;opacity:0;background:conic-gradient(from var(--sweep), transparent 0deg 230deg, #4285f440 280deg, #4285f4 330deg, #fff 352deg, transparent 360deg);-webkit-mask-composite:xor;border-radius:13px;padding:3px;transition:opacity .3s;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}#minimap.busy:after{opacity:1;animation:1.1s linear infinite sweep}#minimap.busy,#show-minimap.busy{animation:1.4s ease-in-out infinite busy-glow}#banner{top:calc(12px + env(safe-area-inset-top,0px));border-radius:24px;align-items:center;gap:10px;max-width:min(640px,100vw - 24px);padding:6px 6px 6px 16px;font-size:13.5px;display:flex;left:50%;transform:translate(-50%)}#banner.first:before{content:"✦";color:var(--gold);font-size:16px}#banner button{white-space:nowrap;width:auto}@media (width<=900px){#banner{top:auto;bottom:150px}}#toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));color:#f4eff4;max-width:min(560px,100vw - 24px);box-shadow:var(--shadow-lg);background:#313033;border-radius:8px;padding:12px 16px;font-size:14px;position:fixed;transform:translate(-50%)}#toast.error{color:#fff;background:#8c1d18}#fatal{max-width:min(460px,100vw - 32px);color:var(--danger);border-radius:20px;padding:22px 26px;font-size:14px;line-height:1.5;top:50%;left:50%;transform:translate(-50%,-50%)}@media (width<=600px){#panel{width:calc(100vw - 24px)}.hint{display:none}#minimap canvas{width:140px;height:105px}#panel{top:calc(60px + env(safe-area-inset-top,0px))}}.formula-card{background:var(--accent-soft);border-radius:14px;flex-direction:column;gap:4px;padding:10px 12px;display:flex}#formula-rank{color:var(--accent-text);font-size:12px;font-weight:500}#formula-text{color:var(--text);overflow-wrap:anywhere;font:12px/1.45 Roboto Mono,ui-monospace,monospace}.card.discovery .thumb{flex-basis:96px;height:60px}.card.discovery .formula{color:var(--text);-webkit-line-clamp:2;overflow-wrap:anywhere;-webkit-box-orient:vertical;font:11px/1.35 Roboto Mono,ui-monospace,monospace;display:-webkit-box;overflow:hidden}.card.discovery.current{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.badge{background:var(--accent);color:#fff;vertical-align:1px;border-radius:8px;margin-left:6px;padding:0 6px;font-size:10px;font-weight:500}#info-dialog{--modal-w:780px}.info-scroll .lead{color:var(--text);margin:4px 0 0;font-size:15px}.info-scroll section{margin-top:26px}.info-scroll h3{align-items:center;gap:10px;margin-bottom:10px;font-size:16px;display:flex}.info-scroll .num{background:var(--accent);color:#fff;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:12px;font-weight:700;display:inline-grid}.fig{margin:0}.fig img,.zoom-strip img{background:#f1f3f4;border-radius:12px;width:100%;display:block}.fig figcaption,.info-scroll .cap{color:#5f6368;margin-top:8px;font-size:13px;line-height:1.5}.fig figcaption b,.info-scroll .cap b{color:var(--text);font-weight:500}.fig-row{gap:12px;display:grid}.fig-row.two{grid-template-columns:1fr 1fr}.fig-row.three{grid-template-columns:repeat(3,1fr)}.fig-row.quad{grid-template-columns:repeat(4,1fr);gap:8px}.fig-row.three figcaption{margin-top:4px;font-size:12px}.dot{vertical-align:-1px;border-radius:50%;width:10px;height:10px;display:inline-block}.dot.blue{background:#1a73e8}.dot.orange{background:#e8710a}.zoom-strip{align-items:center;gap:4px;display:flex}.zoom-strip figure{flex:1;min-width:0;margin:0}.zoom-strip img{border-radius:8px}.zoom-strip .arrow{color:var(--accent-text);flex:none;font-size:10.5px;font-weight:700}.julia-map{gap:10px;display:grid}.julia-map .fig.main img{max-width:420px;margin:0 auto}.julia-map .quad .fig img{border:4px solid}.julia-map .c0 img{border-color:#1a73e8}.julia-map .c1 img{border-color:#d93025}.julia-map .c2 img{border-color:#188038}.julia-map .c3 img{border-color:#e37400}@media (width<=600px){.fig-row.two,.fig-row.three,.fig-row.quad{grid-template-columns:1fr 1fr}.zoom-strip{flex-wrap:wrap}.zoom-strip figure{flex:0 0 calc(33% - 8px)}}