:root{color-scheme:light;--paper:#f8f5ed;--ink:#203c57;--muted:#536579;--line:#c7cdd1;--honey:#fbebaa;--white:#fffcf4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 Georgia,'Times New Roman',serif}button,input,summary,.toolbar,.small,.actions,.rung-label,footer{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}button,input{font-size:1rem;min-height:44px;min-width:44px}button{cursor:pointer;border:1px solid var(--line);background:var(--white);color:var(--ink);padding:9px 14px;border-radius:5px;transition:background .15s}button:hover:not(:disabled){background:var(--honey)}button:disabled{opacity:.5;cursor:default}.primary,button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.primary:hover:not(:disabled),button[aria-pressed=true]:hover{background:#375b79}a{color:inherit;text-underline-offset:3px}button:focus-visible,input:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #926e00;outline-offset:3px}.skip{position:absolute;left:12px;top:-70px;padding:12px;background:white;z-index:5}.skip:focus{top:10px}header,main,footer{max-width:950px;margin:auto;padding:16px 26px}header{display:flex;align-items:center;justify-content:space-between;gap:15px}header>a{font-family:system-ui,sans-serif;font-size:.85rem}.brand{font:bold 1.35rem Georgia,serif;text-decoration:none}.brand-sign{display:inline-block;color:#8d792d}main{padding-top:5px}.title-row{display:flex;align-items:baseline;gap:25px;margin-bottom:12px}h1{font-size:clamp(2rem,6vw,3.2rem);line-height:1.1;letter-spacing:-.04em;margin:0}.title-row p{margin:0;color:var(--muted);font-size:1.05rem}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:16px;font-size:.85rem}.modes{display:flex;gap:5px}.desk{display:grid;grid-template-columns:1fr 1fr;border-top:2px solid var(--ink);border-bottom:1px solid var(--line);padding:20px 0;gap:38px}.ladder-page{position:relative;background:repeating-linear-gradient(transparent 0,transparent 43px,#dfe3e6 44px);padding:0 10px 10px 0}.destination{display:flex;align-items:center;gap:14px;font-family:system-ui,sans-serif;font-size:.82rem}.destination strong{font:700 1.7rem Georgia,serif;letter-spacing:.15em}.destination #step-count{margin-left:auto;color:var(--muted)}#ladder{list-style:none;margin:20px 0 0;padding:0;max-height:330px;overflow-y:auto}#ladder li{display:flex;align-items:center;gap:12px;margin-bottom:14px}.word-tiles{display:grid;grid-template-columns:repeat(4,46px);gap:5px}.letter{display:grid;place-items:center;height:50px;border:1px solid #b8c2cc;background:var(--white);font:bold 1.7rem Georgia,serif;box-shadow:0 2px 0 #d8dee0}.letter.changed{background:var(--honey);border-bottom:3px solid #8d792d}.rung-label{font-size:.75rem;color:var(--muted)}.small{font-size:.8rem;color:var(--muted);margin:8px 0 12px}.workbench label{display:block;font-weight:bold;margin-bottom:7px}.entry{display:flex;gap:8px}.entry input{width:100%;min-width:0;border:1px solid var(--ink);border-radius:4px;background:var(--white);padding:8px 12px;letter-spacing:.15em;text-transform:uppercase;font-weight:650}.entry button{white-space:nowrap}.status:empty{display:none}.status{font-family:system-ui,sans-serif;font-size:.92rem;margin:14px 0}.status.error{border-left:3px solid #9e342c;padding-left:10px;color:#8b2e29}.status.complete{font:bold 1.5rem Georgia,serif;border-bottom:2px solid var(--ink);padding-bottom:10px}.help-actions,.actions,.dialog-actions{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.hint-box{background:#fff2c3;border-left:3px solid #a18a38;padding:12px;margin:12px 0}.hint-box p{margin-top:0}.hint-box button{margin-right:5px}.options-list{display:flex;flex-wrap:wrap;gap:6px}.options-list button{font-weight:600;letter-spacing:.07em}details{margin-top:15px}summary{cursor:pointer;min-height:44px;padding:10px 0;font-size:.85rem}details p{max-width:64ch;margin:4px 0 10px}.save-problem{border:1px solid #a65139;padding:12px;margin-top:16px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.75rem}footer{display:flex;gap:20px;font-size:.8rem;color:var(--muted)}dialog{background:var(--paper);color:var(--ink);border:1px solid var(--ink);border-radius:8px;max-width:min(450px,calc(100% - 28px));padding:22px}dialog::backdrop{background:#17263488}dialog h2{margin-top:0;line-height:1.2}.guide{max-width:740px}.guide h1{margin-bottom:20px}.guide h2{margin-top:27px}.guide p,.guide li{max-width:65ch}.example{display:flex;gap:10px;flex-wrap:wrap;font-weight:bold;font-size:1.4rem;color:var(--ink)}[hidden]{display:none!important}@media(max-width:650px){header,main,footer{padding-left:16px;padding-right:16px}.title-row{display:block}.title-row p{font-size:.9rem;margin-top:8px}.desk{grid-template-columns:1fr;gap:18px;padding-top:15px}.ladder-page{padding-right:0}#ladder{max-height:190px;margin-top:14px}.word-tiles{grid-template-columns:repeat(4,minmax(42px,52px))}.toolbar{font-size:.72rem}.toolbar button{padding:8px 10px}h1{font-size:2.2rem}header{padding-top:12px;padding-bottom:16px}#shortest{margin-bottom:0}}@media(max-width:350px){header,main,footer{padding-left:12px;padding-right:12px}.entry{gap:6px}.entry button{padding-left:10px;padding-right:10px}.word-tiles{grid-template-columns:repeat(4,43px)}.destination{gap:10px}.rung-label{font-size:.7rem}.desk{gap:14px}.actions{gap:6px}.actions button{padding-left:10px;padding-right:10px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}@media(forced-colors:active){.letter.changed{border:3px solid Highlight;text-decoration:underline}.primary,button[aria-pressed=true]{border:2px solid ButtonText}.status.error{color:CanvasText;border-color:CanvasText}.hint-box{border:2px solid CanvasText}button:disabled{opacity:1;color:GrayText}}