:root{--bp-mobile: 720px;--safe-pad-mobile: 12px;--safe-pad-desktop: 48px}:root{color-scheme:light;--bg: #f5f1e8;--bg-2: #ede8db;--ink: #1a1612;--ink-soft: #6b5b48;--ink-mute: #a89880;--line: rgba(26, 22, 18, .1);--accent: #c8421a;--red: #d93a3a;--panel-bg: rgba(255, 255, 255, .85);--panel-bg-strong: rgba(255, 255, 255, .92);--input-bg: #ffffff;--thumb-border: #ffffff;--active-bg: rgba(217, 58, 58, .1)}[data-theme=dark]{color-scheme:dark;--bg: #0c0b09;--bg-2: #15130f;--ink: #f5efe6;--ink-soft: #a89878;--ink-mute: #6a5e4a;--line: rgba(245, 239, 230, .1);--accent: #ff7a1a;--red: #ff6b6b;--panel-bg: rgba(20, 18, 15, .78);--panel-bg-strong: rgba(20, 18, 15, .92);--input-bg: #1d1a14;--thumb-border: #0c0b09;--active-bg: rgba(255, 107, 107, .14)}*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:var(--bg);font-family:Space Grotesk,-apple-system,Helvetica,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased}.topbar{position:fixed;top:20px;left:20px;z-index:10;display:flex;flex-direction:column;gap:2px;pointer-events:none}.eyebrow{font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-mute)}.title{font-size:18px;font-weight:600;letter-spacing:-.01em}.title-select{pointer-events:auto;appearance:none;-webkit-appearance:none;background-color:var(--input-bg);border:1px solid var(--line);border-radius:8px;color:var(--ink);font-family:inherit;font-size:18px;font-weight:600;letter-spacing:-.01em;padding:4px 30px 4px 12px;cursor:pointer;outline:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16' fill='none' stroke='%238a8680' stroke-width='1.3' stroke-linecap='round'%3E%3Cpath d='M4 6.5l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;max-width:min(70vw,360px);text-overflow:ellipsis;overflow:hidden}.title-select:hover{border-color:var(--ink-soft)}.title-select option{color:var(--ink);background-color:var(--input-bg);font-size:14px;font-weight:500;letter-spacing:0}.lang-picker{position:fixed;top:20px;right:108px;z-index:11}.lang-picker select{height:32px;border:1px solid var(--line);background-color:var(--input-bg);font-family:inherit;font-size:12px;color:var(--ink);cursor:pointer;outline:none;padding:0 26px 0 28px;border-radius:8px;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16' fill='none' stroke='%238a8680' stroke-width='1.3'%3E%3Ccircle cx='8' cy='8' r='6.5'/%3E%3Cpath d='M1.5 8h13M8 1.5c2 2 2 11 0 13M8 1.5c-2 2-2 11 0 13'/%3E%3C/svg%3E"),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%238a8680' stroke-width='1.3' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat,no-repeat;background-position:left 10px center,right 10px center;max-width:170px}.panel{position:fixed;background:var(--panel-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:14px;padding:16px;z-index:10}.panel-title{font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:12px}.hint{position:fixed;bottom:20px;right:20px;font-family:JetBrains Mono,monospace;font-size:10px;color:var(--ink-mute);letter-spacing:.08em;z-index:10;text-align:right;line-height:1.6}.info-badge{position:fixed;top:70px;left:50%;transform:translate(-50%);display:none;z-index:10;padding:8px 14px;background:var(--panel-bg-strong);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:20px;font-size:12px;color:var(--ink);gap:10px;align-items:center}.info-badge.show{display:inline-flex}.info-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--red)}.info-badge .len{font-family:JetBrains Mono,monospace;color:var(--ink-mute)}html[dir=rtl] .topbar{left:auto;right:20px;text-align:right}html[dir=rtl] .lang-picker{right:auto;left:20px}html[dir=rtl] .hint{right:auto;left:20px;text-align:left}html[dir=rtl] .lang-picker select{padding:4px 4px 4px 22px;background-position:left 4px center}[data-rotate-nudge]{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;background:var(--bg);color:var(--ink)}[data-rotate-nudge][data-visible=true]{display:flex}.rotate-nudge-card{display:flex;flex-direction:column;align-items:center;gap:18px;padding:32px;text-align:center}.rotate-nudge-text{font-family:JetBrains Mono,monospace;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}[data-mobile-drawer]{display:contents}@media(max-width:720px){[data-mobile-drawer]{display:block;position:fixed;top:0;bottom:0;width:min(86vw,320px);background:var(--panel-bg-strong);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:30;padding:56px 16px 16px;overflow-y:auto;transition:transform .22s ease}[data-mobile-drawer=left]{left:0;border-right:1px solid var(--line);transform:translate(-100%)}[data-mobile-drawer=right]{right:0;border-left:1px solid var(--line);transform:translate(100%)}[data-mobile-drawer][data-open=true]{transform:translate(0)}[data-mobile-drawer] .panel{position:static;inset:auto;width:100%;max-height:none;margin-bottom:12px;display:block}}[data-mobile-drawer-toggle]{position:fixed;top:50%;transform:translateY(-50%);width:32px;height:64px;z-index:31;background:var(--panel-bg-strong);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);color:var(--ink);font-size:18px;cursor:pointer;display:none}[data-mobile-drawer-toggle=left]{left:0;border-left:none;border-radius:0 8px 8px 0}[data-mobile-drawer-toggle=right]{right:0;border-right:none;border-radius:8px 0 0 8px}[data-mobile-drawer-scrim]{position:fixed;inset:0;background:#00000059;z-index:29;display:none}[data-mobile-drawer-scrim][data-active=true]{display:block}@media(max-width:720px){[data-mobile-drawer-toggle]{display:block}}@media(max-width:720px){.topbar{top:12px;left:44px;gap:0}.topbar .eyebrow{font-size:9px}.topbar .title,.topbar .title-select{font-size:15px}.lang-picker{top:12px;right:132px}.lang-picker select{width:32px;max-width:32px;padding:0;color:transparent;text-shadow:none;background-position:center center,-9999px center}.lang-picker select option{color:var(--ink);text-shadow:none}.hint{display:none}.action-bar{left:12px;right:12px;transform:none;bottom:calc(env(safe-area-inset-bottom,0px) + 12px);padding:10px 12px;flex-wrap:wrap;justify-content:center}.action-bar .btn{min-width:44px;min-height:44px;padding:10px 14px}.action-bar .dim-slider{width:100px}}@media(max-width:720px){body>.panel{display:none}}.panel-title-collapsible{cursor:pointer;-webkit-user-select:none;user-select:none;display:flex;align-items:center;gap:8px;outline:none}.panel-title-collapsible:after{content:"";margin-left:auto;width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);transition:transform .15s ease;opacity:.6}.panel[data-collapsed=true] .panel-title-collapsible:after{transform:rotate(-45deg)}.panel-title-collapsible:focus-visible{box-shadow:0 0 0 2px var(--accent);border-radius:4px}.panel[data-collapsed=true]>*:not(.panel-title){display:none}.theme-toggle{position:fixed;top:20px;right:20px;z-index:11;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background-color:var(--input-bg);color:var(--ink);border-radius:8px;cursor:pointer;padding:0;font:inherit}.theme-toggle:hover{border-color:var(--ink-soft)}@media(max-width:720px){.theme-toggle{top:12px;right:44px}}.help-toggle{position:fixed;top:20px;right:64px;z-index:11;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background-color:var(--input-bg);color:var(--ink);border-radius:8px;cursor:pointer;padding:0;font:inherit}.help-toggle:hover{border-color:var(--ink-soft)}.help-panel{position:fixed;top:60px;right:20px;z-index:12;display:none;max-width:min(320px,calc(100vw - 40px));background:var(--panel-bg-strong);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-family:JetBrains Mono,monospace;font-size:11px;letter-spacing:.06em;color:var(--ink-soft);line-height:1.7}.help-panel[data-open=true]{display:block}.help-line{margin:0}.help-line+.help-line{margin-top:4px}@media(max-width:720px){.help-toggle{top:12px;right:88px}.help-panel{top:52px;right:12px;max-width:calc(100vw - 24px)}}.dim-row{display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;column-gap:8px;row-gap:2px;margin-bottom:10px}.dim-row:last-child{margin-bottom:0}.dim-label{grid-column:1;grid-row:1;font-family:JetBrains Mono,monospace;font-size:11px;font-weight:500;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.dim-value{grid-column:2;grid-row:1;font-family:JetBrains Mono,monospace;font-size:11px;font-weight:600;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums}.dim-slider{grid-column:1 / -1;grid-row:2;-webkit-appearance:none;appearance:none;width:100%;height:3px;background:var(--line);border-radius:2px;outline:none;min-width:0}.dim-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--ink);cursor:pointer;border:2px solid var(--thumb-border)}.style-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.style-row:last-child{margin-bottom:0}.style-label{font-size:11px;color:var(--ink-soft);width:62px;flex-shrink:0}.color-input{width:22px;height:22px;padding:0;border:1px solid var(--line);border-radius:6px;background:none;cursor:pointer;flex-shrink:0}.color-input::-webkit-color-swatch-wrapper{padding:2px}.color-input::-webkit-color-swatch{border:none;border-radius:4px}.toggle-row{margin-top:4px;padding-top:10px;border-top:1px solid var(--line)}.toggle-lbl{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--ink-soft);cursor:pointer;-webkit-user-select:none;user-select:none}.toggle-lbl input{accent-color:var(--ink)}.fig-select{width:100%;padding:10px 30px 10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--input-bg);font-family:inherit;font-size:13px;color:var(--ink);cursor:pointer;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%23555' stroke-width='1.3' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}#stage{position:fixed;inset:88px 24px 72px 320px}#stage>svg{width:100%;height:100%;display:block}.params-panel{top:88px;left:24px;width:280px;max-height:calc(100vh - 108px);overflow-y:auto}.params-panel::-webkit-scrollbar{width:4px}.params-panel::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px}#actionBar{position:fixed;bottom:24px;left:320px;right:24px;display:flex;justify-content:center;pointer-events:none;z-index:9}#actionBar:empty{display:none}#actionBar>*{pointer-events:auto}.tg-stub{color:var(--ink-soft);font-family:JetBrains Mono,monospace;font-size:12px}.tg-axis{stroke:var(--ink);stroke-width:1px;fill:none}.tg-grid line{stroke:var(--line);stroke-width:1px;fill:none}.tg-tick-x,.tg-tick-y{stroke:var(--ink);stroke-width:1px}.tg-tick-label{fill:var(--ink-soft);font-family:JetBrains Mono,monospace}.tg-handle{fill:var(--accent);cursor:grab;touch-action:none}.tg-handle:active{cursor:grabbing}.tg-arc-path{fill:none;stroke:var(--accent);stroke-width:1.5px}.tg-arc-label{fill:var(--accent);font-family:JetBrains Mono,monospace}.tg-curve{fill:none;stroke:var(--accent);stroke-width:1.5px}.tg-curve.tg-curve-ghost{stroke:var(--ink-soft);stroke-dasharray:4 4;stroke-width:1px}.tg-triangle{fill:var(--panel-bg);stroke:var(--ink);stroke-width:1.5px}.tg-triangle-group.tg-ghost .tg-triangle{fill:none;stroke:var(--ink-mute);stroke-dasharray:3 3}.tg-side-label{fill:var(--ink);font-family:Space Grotesk,sans-serif;font-style:italic}.tg-badge{display:inline-block;min-width:1.5em;padding:0 .4em;font-family:JetBrains Mono,monospace;font-size:11px;color:var(--ink-mute);background:transparent;border-radius:3px;transition:background .15s ease}.tg-badge.tg-badge-active{color:var(--accent);background:var(--active-bg)}.tg-action-bar{display:flex;gap:8px;padding:8px}.tg-action-bar button{background:var(--input-bg);color:var(--ink);border:1px solid var(--line);border-radius:4px;font-family:Space Grotesk,sans-serif;font-size:13px;padding:6px 12px;cursor:pointer}.tg-action-bar button:disabled{opacity:.5;cursor:not-allowed}.tg-action-bar button[data-active=true]{background:var(--active-bg);color:var(--accent);border-color:var(--accent)}.tg-ts-section{margin-top:12px}.tg-ts-section-title{font-family:JetBrains Mono,monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:6px}.tg-ts-row{font-family:JetBrains Mono,monospace;font-size:12px;color:var(--ink);line-height:1.6;white-space:pre}.tg-ts-row .num{color:var(--accent)}.tg-unit-circle{fill:none;stroke:var(--ink);stroke-width:1.5px;vector-effect:non-scaling-stroke}.tg-segment-sin{stroke:var(--accent);stroke-width:2px;fill:none;vector-effect:non-scaling-stroke}.tg-segment-cos{stroke:var(--ink);stroke-width:2px;fill:none;vector-effect:non-scaling-stroke}.tg-segment-tan{stroke:var(--red);stroke-width:1.5px;fill:none;vector-effect:non-scaling-stroke}.tg-segment-cot{stroke:#4a6da7;stroke-width:1.5px;fill:none;vector-effect:non-scaling-stroke}.tg-segment-sec{stroke:#b78b3b;stroke-width:1.5px;stroke-dasharray:3 2;fill:none;vector-effect:non-scaling-stroke}.tg-segment-csc{stroke:#6a8f5e;stroke-width:1.5px;stroke-dasharray:3 2;fill:none;vector-effect:non-scaling-stroke}.tg-astc-label{fill:var(--ink-soft);font-family:Space Grotesk,sans-serif}.tg-curve-r{stroke:var(--red);stroke-width:1.5px;stroke-dasharray:6 3}.tg-identity-row{display:block;width:100%;background:transparent;border:none;text-align:left;padding:8px 12px;color:var(--ink);font-family:Space Grotesk,sans-serif;font-size:13px;cursor:pointer;border-radius:4px}.tg-identity-row[data-active=true]{background:var(--active-bg);color:var(--accent)}.tg-proof-label,.tg-proof-leg-label,.tg-proof-col-key,.tg-proof-col-val,.tg-proof-annot{fill:var(--ink);font-family:JetBrains Mono,monospace;vector-effect:non-scaling-stroke}.tg-proof-summary{fill:var(--accent);font-family:JetBrains Mono,monospace;font-weight:600}.tg-proof-stub-label{fill:var(--ink-soft);font-family:JetBrains Mono,monospace}.tg-proof-triangle{fill:color-mix(in srgb,var(--accent) 12%,transparent);stroke:var(--ink);stroke-width:1.5px;vector-effect:non-scaling-stroke}.tg-proof-dot{fill:var(--accent)}.tg-proof-radius{stroke:var(--ink);stroke-width:1.5px;fill:none;vector-effect:non-scaling-stroke}.tg-proof-radius-2{stroke:var(--accent);stroke-width:1.5px;stroke-dasharray:4 2;fill:none;vector-effect:non-scaling-stroke}.tg-proof-rect-sin{fill:color-mix(in srgb,var(--accent) 30%,transparent);stroke:var(--accent);stroke-width:1px;vector-effect:non-scaling-stroke}.tg-proof-rect-cos{fill:color-mix(in srgb,var(--ink) 20%,transparent);stroke:var(--ink);stroke-width:1px;vector-effect:non-scaling-stroke}.tg-proof-divider{stroke:var(--ink-soft);stroke-width:1px;vector-effect:non-scaling-stroke}.tg-proof-sq-sin{fill:color-mix(in srgb,var(--accent) 25%,transparent);stroke:var(--accent);stroke-width:1px;vector-effect:non-scaling-stroke}.tg-proof-sq-cos{fill:color-mix(in srgb,var(--ink) 15%,transparent);stroke:var(--ink);stroke-width:1px;vector-effect:non-scaling-stroke}.tg-proof-sq-unit{fill:none;stroke:var(--ink-soft);stroke-width:1px;stroke-dasharray:3 2;vector-effect:non-scaling-stroke}.tg-proof-v2-identity{fill:var(--accent);font-family:JetBrains Mono,monospace;font-weight:600}.tg-proof-v2-note{fill:var(--ink-soft);font-family:JetBrains Mono,monospace}.tg-proof-tan-seg{stroke:var(--red);stroke-width:2px;fill:none;vector-effect:non-scaling-stroke}.tg-proof-tan-tri{fill:color-mix(in srgb,var(--red) 10%,transparent);stroke:var(--red);stroke-width:1px;stroke-dasharray:3 2;vector-effect:non-scaling-stroke}.tg-proof-radius-theta{stroke:var(--accent);stroke-width:1.5px;fill:none;vector-effect:non-scaling-stroke}.tg-proof-radius-2theta{stroke:var(--red);stroke-width:1.5px;fill:none;vector-effect:non-scaling-stroke}.tg-proof-arc-faint{fill:none;stroke:var(--ink-soft);stroke-width:1.5px;vector-effect:non-scaling-stroke}.tg-proof-arc-accent{fill:none;stroke:var(--accent);stroke-width:1.5px;vector-effect:non-scaling-stroke}.tg-proof-segment-cos{stroke:var(--ink);stroke-width:1.5px;fill:none;vector-effect:non-scaling-stroke}.tg-proof-segment-one-minus-cos{stroke:var(--red);stroke-width:2px;stroke-dasharray:4 2;fill:none;vector-effect:non-scaling-stroke}.tg-proof-radius-half{stroke:var(--ink-soft);stroke-width:1.5px;fill:none;vector-effect:non-scaling-stroke}.tg-polar{fill:none;stroke:var(--ink);stroke-width:1.5px}.tg-particle{fill:var(--accent)}.tg-curve-live-sin{stroke:var(--accent)}.tg-curve-live-cos{stroke:var(--red);stroke-dasharray:5 3}.tg-playhead{stroke:var(--ink-soft);stroke-width:1px;stroke-dasharray:3 3}body[data-shot] .topbar,body[data-shot] .params-panel,body[data-shot] #actionBar,body[data-shot] #infoBadge,body[data-shot] #langPicker,body[data-shot] #helpToggle,body[data-shot] #themeToggle,body[data-shot] [data-mobile-drawer-trigger],body[data-shot] [data-collapsible-trigger]{display:none!important}body[data-shot] #stage{position:fixed;inset:0}