:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f7efe2;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#11100d;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0}body{overflow:hidden}button,input{font:inherit}button{border:0}.app{background:#11100d;width:100%;min-height:100svh;position:relative;overflow:hidden}.scene-shell{touch-action:none;position:absolute;inset:0}.scene-loading{background:#11100d;position:absolute;inset:0}.scene-shell canvas{outline:none;width:100%;height:100%}.chrome{transition:opacity .22s,transform .22s,filter .22s}.ambient .chrome{opacity:0;pointer-events:none;filter:blur(8px);transform:translateY(6px)}.modal-scrim,.intro-overlay{z-index:50;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0807056b;place-items:center;padding:24px;display:grid;position:absolute;inset:0}.topbar{color:#f9f0e2;align-items:center;gap:16px;max-width:min(650px,100vw - 430px);padding:0;display:flex;position:absolute;top:24px;left:28px}.topbar-title{gap:4px;min-width:0;display:grid}.eyebrow{color:#bbb1a0;text-transform:uppercase;margin:0 0 8px;font-size:.73rem;font-weight:700;line-height:1}.topbar .eyebrow{margin:0;font-size:.66rem;font-weight:820}h1,h2{letter-spacing:0;margin:0;font-weight:760}h1{font-size:clamp(1.35rem,1.8vw,2.05rem);line-height:1}.topbar h1{color:#f9f0e2;text-transform:uppercase;font-size:clamp(1.02rem,1.28vw,1.34rem);font-weight:820;line-height:1}h2{font-size:1.12rem;line-height:1.1}.icon-actions{flex:none;gap:8px;display:flex}.icon-button{color:#f8efe1;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);cursor:pointer;background:#231f19b8;border:1px solid #ffffff21;border-radius:8px;place-items:center;width:42px;height:42px;transition:background .16s,transform .16s,border-color .16s;display:grid;box-shadow:0 18px 40px #0000003d}.icon-button:hover{background:#362f26d6;border-color:#ffffff3b;transform:translateY(-1px)}.icon-button:active{transform:translateY(0)}.icon-button.compact{width:34px;height:34px;box-shadow:none}.icon-button svg{width:19px;height:19px}.icon-button path,.icon-button circle,.drawer-grip path,.panel-restore path{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round}.ambient-exit{z-index:30;color:#f8efe1;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);cursor:pointer;opacity:.72;background:#231f19a3;border:1px solid #ffffff21;border-radius:8px;place-items:center;width:42px;height:42px;transition:opacity .16s,background .16s,transform .16s,border-color .16s;display:grid;position:absolute;top:24px;right:24px;box-shadow:0 18px 40px #0000003d}.ambient-exit:hover,.ambient-exit:focus-visible{opacity:1;background:#362f26d6;border-color:#ffffff3b;transform:translateY(-1px)}.ambient-exit svg{width:19px;height:19px}.ambient-exit path{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round}.tooltip-layer{z-index:90;color:#fff8ed;white-space:nowrap;pointer-events:none;transform-origin:50%;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#110e0beb;border:1px solid #ffffff29;border-radius:6px;max-width:min(220px,100vw - 24px);padding:7px 9px;font-size:.74rem;font-weight:720;line-height:1;position:fixed;box-shadow:0 12px 34px #00000057}.tooltip-top{transform:translate(-50%,calc(-100% - 9px))}.tooltip-bottom{transform:translate(-50%,9px)}.tooltip-left{transform:translate(calc(-100% - 9px),-50%)}.tooltip-right{transform:translate(9px,-50%)}.copyright-mark{z-index:1;color:#f8efe19e;pointer-events:none;text-shadow:0 2px 12px #00000075;margin:0;font-size:.72rem;font-weight:650;line-height:1;transition:opacity .22s,filter .22s;position:absolute;bottom:12px;right:16px}.weierstrass-panel{z-index:10;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);background:#16130fc2;border:1px solid #ffffff1f;border-radius:8px;flex-direction:column;gap:18px;width:370px;max-height:calc(100svh - 44px);padding:22px;transition:opacity .22s,transform .22s,filter .22s;display:flex;position:absolute;top:22px;right:22px;overflow:auto;box-shadow:0 28px 80px #0000005c}.panel-heading,.popover-heading{justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.panel-heading-actions{align-items:center;gap:8px;display:flex}.panel-text-button,.drawer-grip,.panel-restore,.intro-actions button{color:#f8efe1;cursor:pointer;background:#ffffff14;border:1px solid #ffffff24;border-radius:8px;transition:background .16s,transform .16s,border-color .16s}.panel-text-button{min-height:34px;padding:0 11px;font-size:.82rem;font-weight:720}.drawer-grip{touch-action:none;place-items:center;width:34px;height:34px;display:grid}.drawer-grip svg,.panel-restore svg{width:18px;height:18px}.panel-text-button:hover,.drawer-grip:hover,.intro-actions button:hover{background:#ffffff24;border-color:#ffffff3b;transform:translateY(-1px)}.panel-restore:hover{background:#ffffff24;border-color:#ffffff3b}.panel-restore{z-index:22;writing-mode:vertical-rl;-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);touch-action:none;background:#1c1813db;border-right:0;border-radius:8px 0 0 8px;justify-content:center;align-items:center;gap:9px;width:42px;min-height:156px;padding:12px 8px;display:flex;position:absolute;top:50%;right:0;transform:translateY(-50%);box-shadow:0 24px 70px #0000006b}.panel-restore span{font-size:.82rem;font-weight:760}.panel-actions{grid-template-columns:1fr 1fr;gap:8px;display:grid}.panel-actions button,.exact-toggle{color:#f8efe1;cursor:pointer;background:#ffffff14;border:1px solid #ffffff24;border-radius:8px;justify-content:center;align-items:center;gap:9px;min-height:36px;display:inline-flex}.exact-toggle input{accent-color:#ff273d;width:15px;height:15px;margin:0}.panel-actions button:hover,.exact-toggle:hover{background:#ffffff24}.panel-actions button:disabled{color:#8d8375;cursor:not-allowed;background:#ffffff0a}.intro-panel,.about-dialog{color:#fbf2e6;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);background:#16130fe0;border:1px solid #ffffff24;border-radius:8px;width:min(520px,100vw - 32px);max-height:min(78svh,680px);padding:24px;overflow:auto;box-shadow:0 34px 90px #0000007a}.intro-panel{justify-self:start;margin-left:clamp(0px,5vw,72px)}.intro-panel h2{max-width:420px;font-size:clamp(1.45rem,3vw,2.35rem);line-height:1.02}.intro-panel p,.about-body p{color:#d8cebd;margin:14px 0 0;line-height:1.48}.intro-actions{flex-wrap:wrap;gap:9px;margin-top:22px;display:flex}.intro-actions button{min-height:38px;padding:0 14px;font-weight:760}.intro-actions .primary-action{color:#170f0f;background:#ff273d;border-color:#ff273d}.about-dialog{gap:20px;display:grid}.about-body{gap:18px;display:grid}.about-section{gap:10px;display:grid}.about-section+.about-section{border-top:1px solid #ffffff1a;padding-top:18px}.about-section p{margin:0}.about-body h3{color:#f8efe1;margin:0;font-size:.92rem;line-height:1.1}.about-body code{color:#f2dfc0;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace}.equation{color:#fff8ed;font-variant-numeric:tabular-nums;border-block:1px solid #ffffff1f;padding:14px 0;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;line-height:1.35;display:block}.equation-numeric{white-space:nowrap;overflow-wrap:normal;font-size:clamp(.92rem,1.2vw,1.08rem)}.equation-exact{white-space:normal;overflow-wrap:anywhere;font-size:clamp(1.05rem,2vw,1.42rem)}.invariant-list{grid-template-columns:1fr;gap:0;margin:0;display:grid}.invariant-list div{border-bottom:1px solid #ffffff17;grid-template-columns:70px minmax(0,1fr);align-items:baseline;padding:8px 0;display:grid}.invariant-list dt{color:#b8ad9c;font-size:.78rem;font-weight:760}.invariant-list dd{color:#f8f0e4;overflow-wrap:anywhere;min-width:0;margin:0;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace}.quartic-block{gap:7px;margin-top:0;padding-top:10px;display:grid}.quartic-heading{gap:4px;display:grid}.quartic-block span,.exact-block span{color:#b8ad9c;font-size:.78rem;font-weight:760}.quartic-heading p{color:#d8cebd;margin:0;font-size:.76rem;line-height:1.35}.quartic-equation,.exact-block code{color:#f2dfc0;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;line-height:1.5}.quartic-equation-numeric{white-space:nowrap;overflow-wrap:normal;font-size:clamp(.64rem,.84vw,.76rem)}.quartic-equation-exact,.exact-block code{overflow-wrap:anywhere;font-size:.86rem}.exact-block{border-top:1px solid #ffffff1a;gap:8px;padding-top:14px;display:grid}.coefficient-popover{z-index:20;color:#fbf2e6;-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);background:#1c1813e0;border:1px solid #ffffff29;border-radius:8px;flex-direction:column;gap:10px;width:min(360px,100vw - 16px);max-height:calc(100svh - 16px);padding:12px;display:flex;position:absolute;overflow:hidden;box-shadow:0 24px 70px #0000006b}.popover-drag-region{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;flex:1;min-width:0}.popover-drag-region:active{cursor:grabbing}.coefficient-heading-actions{align-items:flex-start;gap:8px;display:flex}.intersection-mini-preview,.surface-toggle{display:none}.intersection-mini-preview{background:#0b0a08ad;border:1px solid #ffffff24;border-radius:8px;width:92px;height:58px;overflow:hidden;box-shadow:inset 0 1px #ffffff1a}.intersection-mini-preview svg{width:100%;height:100%;display:block}.intersection-mini-preview rect{fill:#0c0b09e0}.intersection-mini-preview .mini-surface{transform-box:fill-box;transform-origin:50%;mix-blend-mode:screen;stroke:#ffffff29;stroke-width:.8px}.intersection-mini-preview .mini-surface-a{fill:#61d4c33d;transform:rotate(-18deg)}.intersection-mini-preview .mini-surface-b{fill:#d6bb6840;transform:rotate(22deg)}.intersection-mini-preview line{stroke:#ff273d;stroke-width:3.2px;stroke-linecap:round;vector-effect:non-scaling-stroke}.surface-toggle{color:#fffaf0;background:color-mix(in srgb, var(--surface-color) 76%, #11100d);border:1px solid color-mix(in srgb, var(--surface-color) 90%, #fff);cursor:pointer;border-radius:7px;justify-content:center;align-items:center;width:56px;min-height:30px;font-size:.82rem;font-weight:850;transition:background .14s,border-color .14s,transform .14s;box-shadow:inset 0 1px #ffffff47}.surface-toggle:hover{background:color-mix(in srgb, var(--surface-color) 86%, #11100d);transform:translateY(-1px)}.segmented{background:#ffffff12;border-radius:8px;grid-template-columns:1fr 1fr;gap:4px;padding:3px;display:grid}.segmented button{color:#f8efe1;background:color-mix(in srgb, var(--surface-color) 26%, transparent);border:1px solid color-mix(in srgb, var(--surface-color) 34%, transparent);cursor:pointer;border-radius:6px;min-height:30px;font-size:.84rem;font-weight:820;transition:background .14s,border-color .14s,transform .14s}.segmented button.active{color:#fffaf0;background:color-mix(in srgb, var(--surface-color) 74%, #11100d);border-color:color-mix(in srgb, var(--surface-color) 88%, #fff);box-shadow:inset 0 1px #ffffff47}.segmented button:hover{border-color:color-mix(in srgb, var(--surface-color) 72%, #fff);transform:translateY(-1px)}.manual-option-toggle{color:#d8cebd;cursor:pointer;align-items:center;gap:8px;min-height:28px;padding:0 2px;font-size:.74rem;font-weight:720;line-height:1;display:inline-flex}.manual-option-toggle input{width:14px;height:14px;accent-color:var(--surface-color,#ff273d);margin:0}.slider-group{border:0;border-top:1px solid #ffffff1a;gap:6px;min-width:0;margin:0;padding:9px 0 0;display:grid}.slider-group legend{color:#c0b4a3;padding:0;font-size:.74rem;font-weight:780}.slider-row{grid-template-columns:28px minmax(0,1fr) 50px;align-items:center;gap:8px;min-width:0;display:grid}.slider-row span,.slider-row output{color:#f8efe1;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.76rem}.slider-row output{text-align:right}.slider-row input[type=range]{width:100%;min-width:0;accent-color:var(--surface-color,#ff273d)}@media (max-width:960px){.topbar{max-width:calc(100vw - 32px);top:16px;left:16px}.weierstrass-panel{gap:14px;width:auto;max-height:min(46svh,390px);padding:16px;inset:auto 12px 12px}.panel-restore{writing-mode:horizontal-tb;border-bottom:0;border-right:1px solid #ffffff24;border-radius:8px 8px 0 0;flex-direction:row;width:min(220px,100vw - 32px);min-height:42px;padding:8px 14px;inset:auto auto 0 50%;transform:translate(-50%)}.equation{padding:12px 0}.copyright-mark{font-size:.66rem;bottom:8px}}@media (max-width:560px){.topbar{justify-content:space-between;align-items:center;right:12px}h1{max-width:168px;font-size:1.35rem;line-height:1}.topbar h1{max-width:154px;font-size:.98rem}.icon-actions{gap:6px;padding-top:0}.icon-button{width:36px;height:38px}.intro-overlay,.modal-scrim{align-items:end;padding:12px}.intro-panel,.about-dialog{width:100%;max-height:72svh;margin-left:0;padding:18px}.intro-panel h2{font-size:1.42rem}.intro-actions button{flex:96px}.coefficient-popover{width:min(360px,100vw - 16px);max-height:calc(100svh - 16px)}.coefficient-heading-actions .intersection-mini-preview{display:block}.surface-toggle{display:inline-flex}.segmented{display:none}.invariant-list div{grid-template-columns:46px minmax(0,1fr)}}@media (max-height:680px){.coefficient-popover{gap:7px;padding:9px}.coefficient-popover h2{font-size:.98rem}.coefficient-popover .eyebrow{margin-bottom:5px;font-size:.66rem}.coefficient-popover .icon-button.compact{width:30px;height:30px}.slider-group{gap:4px;padding-top:6px}.slider-row{grid-template-columns:25px minmax(0,1fr) 46px;gap:6px}}