.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:var(--size-control-touch);min-height:var(--size-control-touch);padding:0 8px;border:1px solid color-mix(in srgb,var(--color-text) 25%,transparent);border-radius:var(--radius);background:var(--color-surface-raised);color:var(--color-text)}.icon-button__icon{display:inline-flex;width:24px;height:24px}.icon-button__label{font-size:.85rem;line-height:1.1;white-space:nowrap}.icon-button[aria-pressed=true]{border-color:var(--control-primary);border-width:2px;background:color-mix(in srgb,var(--control-primary) 28%,white);font-weight:700}.icon-button:disabled{opacity:.45;cursor:not-allowed}.icon-button:active:not(:disabled){transform:translateY(1px)}@media(pointer:fine){.icon-button{min-width:var(--size-control-fine);min-height:var(--size-control-fine)}}@media(min-width:1024px){.icon-button--labeled{min-height:40px;padding-inline:10px}}.home-page{max-width:1100px}.home-actions{display:grid;grid-template-columns:1fr;gap:var(--space-sm)}.home-action-card{justify-content:flex-start;min-height:var(--size-control-secondary);width:100%;padding-inline:var(--space-md);background:var(--color-surface-raised)}.open-file-hint{margin:0;font-size:.9rem;line-height:1.35;opacity:.85}.recent-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-sm)}.recent-row{display:flex;gap:var(--space-sm);align-items:stretch}.recent-item{flex:1 1 auto;min-width:0;min-height:var(--size-control-secondary);text-align:left;border:none;border-radius:var(--radius);background:var(--color-surface-raised);padding:var(--space-sm) var(--space-md);display:flex;align-items:center;gap:var(--space-md)}.recent-item__meta{display:flex;flex-direction:column;gap:2px;min-width:0}.recent-item__meta strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.recent-thumb{flex:0 0 auto;width:44px;height:44px;border-radius:6px;border:1px solid color-mix(in srgb,var(--color-text) 18%,transparent);background-size:cover;background-repeat:no-repeat;background-color:color-mix(in srgb,var(--color-text) 12%,transparent)}.recent-actions{display:flex;flex-direction:column;gap:var(--space-sm);justify-content:center}@media(min-width:1024px){.home-actions{grid-template-columns:repeat(3,minmax(0,1fr))}.recent-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-md)}}.color-preset-sheet{position:fixed;inset:0;z-index:40;display:flex;align-items:flex-end;justify-content:center;background:color-mix(in srgb,var(--color-text) 35%,transparent)}.color-preset-sheet__panel{width:min(100%,420px);max-height:90vh;overflow:auto;background:var(--color-surface-raised);border-radius:16px 16px 0 0;padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-md)}.color-preset-sheet__grid{display:grid;grid-template-columns:repeat(8,minmax(44px,1fr));gap:6px}.color-preset-sheet__swatch{width:100%;aspect-ratio:1;min-width:44px;min-height:44px;border-radius:8px;border:1px solid color-mix(in srgb,var(--color-text) 20%,transparent);padding:0}.color-preset-sheet__swatch.is-selected{outline:2px solid var(--control-primary);outline-offset:2px}@media(min-width:600px){.color-preset-sheet{align-items:center}.color-preset-sheet__panel{border-radius:16px}}.scheme-overview{position:fixed;inset:0;z-index:40;display:flex;flex-direction:column;background:var(--color-surface);color:var(--color-text)}.scheme-overview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);flex:0 0 auto;background:var(--color-surface-raised);border-bottom:1px solid color-mix(in srgb,var(--color-text) 12%,transparent)}.scheme-overview-toolbar h2{margin:0;font-size:1.05rem}.scheme-overview-stage{flex:1 1 auto;min-height:0;display:flex;align-items:center;justify-content:center;padding:var(--space-sm);overflow:hidden;touch-action:none}.scheme-overview-canvas{display:block;max-width:100%;max-height:100%}.color-strip{width:100%;min-height:var(--size-control-touch)}.color-strip__scroll{display:flex;gap:6px;align-items:center;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch}.color-strip__swatch,.color-strip__add{flex:0 0 auto;width:var(--size-control-touch);height:var(--size-control-touch);border-radius:999px;border:1px solid color-mix(in srgb,var(--color-text) 25%,transparent);padding:0}.color-strip__swatch.is-selected{outline:2px solid var(--control-primary);outline-offset:2px;border-width:2px}.color-strip__add{background:var(--color-surface-raised);font-size:1.25rem;font-weight:700}.scheme-canvas{position:relative;flex:1 1 auto;min-height:0;width:100%;overflow:hidden;touch-action:none;background:var(--color-surface-raised)}.scheme-canvas__surface{display:block;width:100%;height:100%}.scheme-canvas__coords{position:absolute;left:8px;bottom:8px;margin:0;padding:4px 8px;border-radius:8px;background:color-mix(in srgb,var(--color-surface) 88%,transparent);font-size:.85rem;pointer-events:none}.tool-strip{display:flex;flex-wrap:wrap;gap:6px;align-items:center;max-height:120px;overflow:auto}.tool-strip__group{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.tool-strip--vertical{flex-direction:column;align-items:stretch;max-height:none;overflow:visible}.tool-strip--vertical .tool-strip__group{flex-direction:column}.current-rows-strip{display:flex;flex-direction:column;gap:6px;min-height:40px;padding:8px 10px}.current-rows-strip .scheme-row{min-height:28px}.hint-tooltip{position:relative;display:inline-flex;align-items:center;vertical-align:middle}.hint-tooltip__button{width:1.5rem;height:1.5rem;min-height:1.5rem;padding:0;border-radius:999px;border:1px solid color-mix(in srgb,var(--color-text) 35%,transparent);background:var(--color-surface-raised, var(--color-surface));color:var(--color-text);font-size:.8rem;font-weight:700;line-height:1;cursor:pointer}.hint-tooltip__bubble{position:absolute;z-index:20;left:0;top:calc(100% + 6px);width:min(18rem,70vw);padding:var(--space-sm) var(--space-md);border-radius:var(--radius);background:var(--color-surface-raised, #fff);color:var(--color-text);border:1px solid color-mix(in srgb,var(--color-text) 20%,transparent);box-shadow:0 4px 16px color-mix(in srgb,var(--color-text) 18%,transparent);font-size:.85rem;font-weight:400;line-height:1.35;white-space:normal}.reader-shell{display:flex;flex-direction:column;width:100%;height:100dvh;max-height:100dvh;overflow:hidden;background:var(--color-surface)}.reader-shell__message{display:flex;flex-direction:column;gap:var(--space-md);padding:var(--space-md)}.reader-workspace{display:flex;flex:1 1 auto;flex-direction:column;min-height:0;position:relative}.reader-topbar{display:flex;flex:0 0 auto;flex-wrap:wrap;gap:6px;align-items:center;padding:6px 8px}.reader-topbar__lead{display:flex;flex:1 1 auto;gap:6px;align-items:center;min-width:0}.reader-topbar__title{flex:1 1 auto;min-width:0;margin:0;overflow:hidden;font-size:1rem;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.reader-topbar__actions{display:flex;flex:0 1 auto;flex-wrap:wrap;gap:4px;align-items:center}.reader-topbar__modes{display:flex;flex:0 0 auto;gap:4px}.reader-topbar__modes .secondary-button{min-height:var(--size-control-touch);padding:0 10px;font-size:.9rem}@media(max-width:600px){.reader-topbar__actions{flex:1 1 100%;justify-content:flex-start}.reader-topbar__modes .secondary-button{padding:0 8px;font-size:.85rem}}.reader-body{display:flex;flex:1 1 auto;gap:8px;min-height:0;padding:0 8px 8px}.reader-main{display:flex;flex:1 1 auto;flex-direction:column;gap:6px;min-width:0;min-height:0}.reader-main>.warning-note{margin:0;padding:6px 10px;font-size:.9rem}.reader-canvas-host{position:relative;display:flex;flex:1 1 auto;min-height:0}.reader-canvas-host .scheme-canvas{margin:0;padding:0}.reader-canvas-note{position:absolute;top:6px;left:36px;right:8px;margin:0;padding:4px 8px;overflow:hidden;border-radius:8px;background:color-mix(in srgb,var(--color-surface) 88%,transparent);font-size:.85rem;line-height:1.3;pointer-events:none}.reader-tools-side{flex:0 0 auto;min-height:0;overflow-y:auto}.reader-dock{flex:0 0 auto;padding:8px 12px}.reader-main>.current-rows-strip{flex:0 0 auto;max-height:30dvh;overflow:auto}.reader-turn{display:flex;flex:1 1 auto;flex-direction:column;gap:8px;min-height:0}.reader-turn__stage{flex:1 1 auto;min-height:0;overflow:auto}.reader-turn__controls{display:flex;flex:0 0 auto;flex-wrap:wrap;gap:8px 16px;align-items:center}.reader-turn__controls label{display:flex;gap:8px;align-items:center}.reader-side__inner{display:flex;flex-direction:column;gap:8px;min-height:0;height:100%}.reader-side__head{display:flex;flex:0 0 auto;flex-wrap:wrap;gap:6px;align-items:center;justify-content:space-between}.reader-side__tabs{display:flex;flex-wrap:wrap;gap:4px}.reader-side__head .secondary-button{min-height:var(--size-control-touch);padding:0 10px;font-size:.9rem}.reader-side__body{flex:1 1 auto;min-height:0;overflow-y:auto}.reader-side--docked{flex:0 0 340px;width:340px;min-height:0;padding:8px;border-radius:var(--radius);background:var(--color-surface-raised)}.reader-side--docked.is-collapsed,.reader-side--drawer{display:none}.reader-side--drawer.is-open{display:block;position:fixed;top:0;right:0;bottom:0;z-index:31;width:min(100%,400px);padding:12px;background:var(--color-surface-raised);box-shadow:-8px 0 24px color-mix(in srgb,var(--color-text) 25%,transparent)}.reader-backdrop{position:fixed;inset:0;z-index:30;border:none;background:color-mix(in srgb,var(--color-text) 35%,transparent)}.reader-rail{flex:0 0 auto}.reader-sheet{position:fixed;right:0;bottom:0;left:0;z-index:25;max-height:60dvh;overflow:auto;border-radius:16px 16px 0 0;box-shadow:0 -8px 24px color-mix(in srgb,var(--color-text) 25%,transparent)}.reader-sheet .selection-actions{border-radius:16px 16px 0 0}.reader-floating-note{position:fixed;top:56px;right:8px;left:8px;z-index:40;max-width:480px;margin:0 auto}.reader-hidden-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}@media(max-width:479px){.reader-topbar__modes .secondary-button{padding:0 8px;font-size:.85rem}}:root{--color-surface: #f4f1ea;--color-text: #1f2a24;--color-surface-raised: #fffdf8;--color-empty-cell: #d9d3c7;--color-run-active: #c45c26;--color-warning-surface: #f3e0b5;--control-primary: #1f6f5b;--control-primary-text: #fffdf8;--size-control-primary: 64px;--size-control-secondary: 48px;--size-control-touch: 44px;--size-control-fine: 32px;--ruler-gutter: 28px;--color-ruler-fifth: color-mix(in srgb, var(--color-text) 55%, transparent);--size-peyote-offset: 14px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--radius: 12px;--font-ui: "Segoe UI", "Helvetica Neue", sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:var(--font-ui);color:var(--color-text);background:var(--color-surface)}button,input{font:inherit}button{cursor:pointer}.app-shell{max-width:720px;width:100%;box-sizing:border-box;margin:0 auto;padding:var(--space-md);overflow-x:hidden}.primary-button{min-height:var(--size-control-primary);padding:0 var(--space-lg);border:none;border-radius:var(--radius);background:var(--control-primary);color:var(--control-primary-text);font-weight:600}.primary-button:active:not(:disabled){filter:brightness(.88);transform:translateY(1px)}.secondary-button{min-height:var(--size-control-secondary);padding:0 var(--space-md);border:1px solid color-mix(in srgb,var(--color-text) 25%,transparent);border-radius:var(--radius);background:var(--color-surface-raised);color:var(--color-text);transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,transform 80ms ease}.secondary-button:active:not(:disabled){background:color-mix(in srgb,var(--control-primary) 18%,white);border-color:var(--control-primary);transform:translateY(1px)}.secondary-button[aria-pressed=true]{border-color:var(--control-primary);border-width:2px;background:color-mix(in srgb,var(--control-primary) 28%,white);color:var(--color-text);font-weight:700;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--control-primary) 35%,transparent)}.secondary-button:disabled{opacity:.45;cursor:not-allowed}.panel{background:var(--color-surface-raised);border-radius:var(--radius);padding:var(--space-md);margin-top:0}.warning-note{background:var(--color-warning-surface);border-radius:var(--radius);padding:var(--space-md);margin:var(--space-md) 0}.stack{display:flex;flex-direction:column;gap:var(--space-md)}.row{display:flex;flex-wrap:wrap;gap:var(--space-sm);align-items:center}.bare-fieldset{margin:0;border:none;padding:0;min-inline-size:0}.bare-fieldset legend{padding:0;margin-bottom:var(--space-sm);font-weight:600}