:root{--font-mono:"Courier New", Courier, monospace;--color-background:#123b5d;--color-text:#f1faff;--color-label:#e8f6ff;--color-text-dim:#b5c7d2;--color-accent:#8de1fa;--color-divider:#dce0ff;--color-panel:#081d2ef0;--rainbow-soften:30%;--rainbow-soften-toward:#9fb9cc;--rainbow-orange:color-mix(in srgb, #ff9f43, var(--rainbow-soften-toward) var(--rainbow-soften));--rainbow-yellow:color-mix(in srgb, #ffe14d, var(--rainbow-soften-toward) var(--rainbow-soften));--rainbow-green:color-mix(in srgb, #5cff8a, var(--rainbow-soften-toward) var(--rainbow-soften));--rainbow-blue:color-mix(in srgb, #3cc8ff, var(--rainbow-soften-toward) var(--rainbow-soften));--rainbow-purple:color-mix(in srgb, #b388ff, var(--rainbow-soften-toward) var(--rainbow-soften));--rainbow-pink:color-mix(in srgb, #ff6ec7, var(--rainbow-soften-toward) var(--rainbow-soften));--rainbow-red:color-mix(in srgb, #ff6b6b, var(--rainbow-soften-toward) var(--rainbow-soften));--rainbow-loop:linear-gradient(90deg, var(--rainbow-orange), var(--rainbow-yellow), var(--rainbow-green), var(--rainbow-blue), var(--rainbow-purple), var(--rainbow-pink), var(--rainbow-red), var(--rainbow-orange));--z-perspective-input:1;--z-view-divider:2;--z-view-label:3;--z-site-footer:3;--z-mode-toggle:4;--z-settings-pane:5;--z-toast:6;--z-coords-readout:7;--tp-base-background-color:#081d2efa;--tp-base-shadow-color:#0000009e;--tp-base-border-radius:7px;--tp-base-font-family:var(--font-mono);--tp-container-unit-size:24px;--tp-button-background-color:#58c8ee;--tp-button-background-color-active:#b2f0ff;--tp-button-background-color-focus:var(--color-accent);--tp-button-background-color-hover:#79d9f5;--tp-button-foreground-color:#071d2b;--tp-container-background-color:#194a69b8;--tp-container-background-color-active:#327ea3e0;--tp-container-background-color-focus:#27698ed1;--tp-container-background-color-hover:#246084c7;--tp-container-foreground-color:var(--color-text);--tp-groove-foreground-color:#86dbf5a6;--tp-input-background-color:#04131fd9;--tp-input-background-color-active:#0b2d42fa;--tp-input-background-color-focus:#0d344cf5;--tp-input-background-color-hover:#0a283df0;--tp-input-foreground-color:#fff;--tp-label-foreground-color:var(--color-text);--tp-monitor-background-color:#04131fb3;--tp-monitor-foreground-color:#d9f5ff}html,body{width:100%;height:100%;margin:0;overflow:hidden}body{background:var(--color-background);font-family:var(--font-mono);-webkit-user-select:none;user-select:none}input,textarea{-webkit-user-select:text;user-select:text}canvas{touch-action:none;display:block}.perspective-view{touch-action:none;width:50%;height:50%;z-index:var(--z-perspective-input);position:absolute;top:0;left:50%}.view-divider{background:var(--color-divider);pointer-events:none;z-index:var(--z-view-divider);position:absolute}.view-divider.vertical{width:2px;height:100%;top:0;left:50%}.view-divider.horizontal{width:100%;height:2px;top:50%;left:0}.view-label{color:var(--color-label);letter-spacing:clamp(1px,.2vw,1.5px);white-space:nowrap;pointer-events:none;z-index:var(--z-view-label);margin-top:-6px;font-size:clamp(10px,1.5vw,14px);font-weight:700;position:absolute;transform:translate(-50%,-100%)}.view-label.top{top:50%;left:25%}.view-label.perspective{top:50%;left:75%}.view-label.front{top:100%;left:25%}.view-label.right{top:100%;left:75%}.view-label.top,.view-label.front,.view-label.right{background:#04131fbf;border:1px solid #dce0ff8c;border-radius:8px;padding:2px 8px}.mode-toggle{pointer-events:auto;z-index:var(--z-mode-toggle);background:#04131fbf;border:1px solid #dce0ff8c;border-radius:8px;padding:2px;font-size:clamp(9px,1.5vw,13px);display:flex}.mode-option{color:var(--color-text-dim);font:inherit;letter-spacing:inherit;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;flex-direction:column;align-items:center;padding:2px clamp(5px,.8vw,9px);transition:background-color .16s,color .16s,border-color .16s;display:flex}.mode-option:hover{color:var(--color-label)}.mode-option[aria-checked=true]{border-color:var(--color-accent);color:var(--color-accent);background:#8de1fa2e}.mode-option:focus-visible{outline-offset:2px;outline:2px solid #fff}.mode-note{letter-spacing:0;opacity:.85;font-size:clamp(7px,.65vw,9px);font-weight:400}.settings-pane{z-index:var(--z-settings-pane);width:min(360px,100vw - 24px);position:fixed;top:12px;left:12px}.settings-pane .tp-rotv{max-height:calc(100vh - var(--top,12px) - 12px);max-height:calc(100dvh - var(--top,12px) - 12px);border:1px solid #86dbf5f2;border-radius:7px;font-size:12px;line-height:1.15;overflow-y:auto;box-shadow:0 14px 36px #000000b8,0 0 0 2px #58c8ee66}.settings-pane .tp-rotv_b{background-color:#58c8ee33;background-image:var(--rainbow-loop);cursor:grab;touch-action:none;background-position:0 100%;background-repeat:repeat-x;background-size:200% 2px;font-size:16px;font-weight:400;animation:6s linear infinite rainbow-flow}@keyframes rainbow-flow{0%{background-position:0 100%}to{background-position:200% 100%}}@media (prefers-reduced-motion:reduce){.settings-pane .tp-rotv_b{animation:none}}.settings-pane .tp-rotv_b:active{cursor:grabbing}.settings-pane .tp-fldv_t{font-size:14px;font-weight:700}.settings-pane .tp-rotv_m,.settings-pane .tp-fldv_m{width:16px;height:16px;color:var(--color-accent);opacity:1;background:#071d2b;border-radius:50%;transition:none;right:6px;transform:none}.settings-pane .tp-fldv_m{color:var(--folder-color)}.settings-pane .tp-rotv_m:before,.settings-pane .tp-fldv_m:before{content:"+";font:bold 14px/1 var(--font-mono);place-items:center;display:grid;position:absolute;inset:0}.settings-pane .tp-rotv-expanded .tp-rotv_m:before,.settings-pane .tp-fldv-expanded>.tp-fldv_b>.tp-fldv_m:before{content:"−"}.settings-pane .folder-build{--folder-color:var(--rainbow-orange);--folder-next:var(--rainbow-yellow);--folder-icon:"🛠️"}.settings-pane .folder-examples{--folder-color:var(--rainbow-yellow);--folder-next:var(--rainbow-green);--folder-icon:"🧩"}.settings-pane .folder-style{--folder-color:var(--rainbow-green);--folder-next:var(--rainbow-blue);--folder-icon:"🎨"}.settings-pane .folder-size{--folder-color:var(--rainbow-blue);--folder-next:var(--rainbow-purple);--folder-icon:"📐"}.settings-pane .folder-save{--folder-color:var(--rainbow-purple);--folder-next:var(--rainbow-pink);--folder-icon:"📁"}.settings-pane .folder-share{--folder-color:var(--rainbow-pink);--folder-next:var(--rainbow-red);--folder-icon:"🔗"}.settings-pane .folder-print{--folder-color:var(--rainbow-red);--folder-next:var(--rainbow-orange);--folder-icon:"🧊"}.settings-pane [class*=folder-]{--cnt-fg:#071d2b;--btn-fg:var(--folder-color);--btn-bg:color-mix(in srgb, var(--folder-color) 26%, #0a0f14);--btn-bg-h:color-mix(in srgb, var(--folder-color) 32%, #0a0f14);--btn-bg-f:color-mix(in srgb, var(--folder-color) 32%, #0a0f14);--btn-bg-a:color-mix(in srgb, var(--folder-color) 38%, #0a0f14)}.settings-pane [class*=folder-]>.tp-fldv_b{background-image:linear-gradient(90deg, var(--folder-color), var(--folder-next))}.settings-pane [class*=folder-]>.tp-fldv_b:hover{filter:brightness(1.08)saturate(1.1)}.settings-pane [class*=folder-] .tp-fldv_t:before{content:var(--folder-icon);box-sizing:border-box;vertical-align:middle;background:#071d2b;border-radius:50%;place-items:center;width:20px;height:20px;margin-right:6px;padding-top:2px;font-size:12px;line-height:1;display:inline-grid}.settings-pane [class*=folder-]>.tp-fldv_i:before{background-image:linear-gradient(180deg, var(--folder-color), var(--folder-next))}.settings-pane [class*=folder-] .tp-btnv_b,.settings-pane [class*=folder-] .tp-lstv_s{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--folder-color) 70%, transparent)}.settings-pane [class*=folder-] .tp-sldv_k:after{background-color:var(--folder-color)}.settings-pane [class*=folder-] .tp-sldv_t:hover .tp-sldv_k:after,.settings-pane [class*=folder-] .tp-sldv_t:focus .tp-sldv_k:after,.settings-pane [class*=folder-] .tp-sldv_t:active .tp-sldv_k:after{background-color:color-mix(in srgb, var(--folder-color) 75%, white)}.settings-pane .folder-note{color:var(--color-text-dim);padding:0 8px;font-size:11px;font-style:italic;line-height:1.4}.settings-pane .folder-note.emphasized{color:var(--folder-color,var(--color-text));margin-bottom:4px;font-style:normal;font-weight:700}.settings-pane .tp-sprv_r{border-top:2px solid color-mix(in srgb, var(--folder-color), var(--folder-next) var(--along,0%));background:0 0;height:0}.settings-pane .button-row{display:flex}.settings-pane .button-row>*{flex:1;min-width:0}.settings-pane .button-row>:not(:last-child){padding-right:1px}.settings-pane .button-row>:not(:first-child){padding-left:1px}.settings-pane .tp-hplv{height:26px;margin-block:3px}.settings-pane .tp-hplv_c{border:1px solid #f1faffe6;border-radius:4px;box-shadow:inset 0 0 0 1px #04131fa6}.settings-pane .tp-hplv_m{border:2px solid #fff;box-shadow:0 0 0 1px #071d2b}.controls-help{color:var(--color-label);letter-spacing:.5px;padding:4px 8px 8px;font-size:12px;line-height:1.5}.controls-section+.controls-section{margin-top:12px}.controls-row{grid-template-columns:7.25em minmax(0,1fr);align-items:start;gap:8px;display:grid}.controls-row+.controls-row{margin-top:7px}.controls-row>strong{color:var(--color-accent);font-weight:400}.controls-help kbd{color:#fff;min-width:1.4em;font:inherit;text-align:center;background:#04131fa6;border:1px solid #dce0ffb3;border-radius:3px;padding:0 3px;display:inline-block;box-shadow:0 1px #dce0ff73}.toast{box-sizing:border-box;background:var(--color-panel);max-width:calc(100vw - 32px);color:var(--color-text);letter-spacing:.5px;opacity:0;pointer-events:none;z-index:var(--z-toast);border:1px solid #86dbf5e6;border-radius:999px;padding:9px 14px;font-size:12px;transition:opacity .2s,transform .2s;position:fixed;bottom:24px;left:50%;transform:translate(-50%,12px);box-shadow:0 10px 25px #00000059}.toast.visible{opacity:1;transform:translate(-50%)}.site-footer{color:var(--color-text-dim);letter-spacing:.3px;opacity:.8;z-index:var(--z-site-footer);font-size:10px;position:fixed;bottom:4px;left:8px}.site-footer a{color:inherit}.site-footer a:hover,.site-footer a:focus-visible{color:var(--color-text)}@media (width<=600px){.site-footer-copyright{display:none}}.coords-readout{background:var(--color-panel);color:var(--color-text);white-space:nowrap;pointer-events:none;z-index:var(--z-coords-readout);border:1px solid #86dbf599;border-radius:4px;padding:2px 6px;font-size:11px;position:fixed}.coords-readout.is-problem{color:var(--color-text-dim);border-style:dashed}