:root { color-scheme: light; font-family: system-ui, sans-serif; color: #193f38; background: #f3efe4; font-size: 18px; }
* { box-sizing: border-box; }
body { margin: 0; }
main { width: min(100% - 2rem, 56rem); margin: 2rem auto; padding: clamp(1rem, 3vw, 2rem); background: #fffdf6; border: 2px solid #c7d5c6; border-radius: 1rem; }
h1 { font-size: clamp(1.7rem, 5vw, 2.6rem); margin: .35rem 0; }
h2 { font-size: 1.2rem; margin: 1rem 0 .5rem; }
p { line-height: 1.6; }
.eyebrow { color: #3b6557; font-weight: 700; margin: 0; }
button, select { font: inherit; color: #193f38; background: #fffdf6; border: 2px solid #57766b; border-radius: .5rem; min-height: 44px; padding: .5rem .75rem; cursor: pointer; }
button:hover:not(:disabled) { background: #e8f1e6; }
button:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 4px solid #a44d16; outline-offset: 3px; }
button:disabled { cursor: default; opacity: .72; }
button[aria-pressed="true"] { border: 4px solid #9b4517; background: #ffebd7; }
.toolbar, .hand, form { display: flex; flex-wrap: wrap; gap: .5rem; }
form { flex-direction: column; align-items: flex-start; }
label { display: grid; gap: .35rem; }
#status, #summary, #result { padding: .7rem; background: #edf4e9; border-radius: .4rem; }
#result { border: 2px solid #214c43; font-weight: 700; }
.board { display: grid; grid-template-columns: repeat(var(--size), minmax(44px, 1fr)); gap: .3rem; width: min(100%, 30rem); }
.cell { aspect-ratio: 1; padding: .2rem; font-size: 1.4rem; background: #f3f0e7; }
.cell.legal { background: #ffe3c4; border: 3px dashed #a64b15; }
svg { width: 100%; max-width: 3rem; height: auto; display: block; margin: auto; }
.hand button { display: flex; align-items: center; gap: .45rem; }
.hand svg { width: 2.5rem; }
@media (max-width: 360px) { main { width: 100%; margin: 0; padding: .6rem; } .board { gap: .15rem; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }
dialog{width:min(90vw,32rem);max-width:90vw;border:2px solid #526f60;border-radius:12px;padding:20px;background:#fff;color:#1e3529}dialog::backdrop{background:rgb(20 35 27 / 55%)}dialog button{font:inherit;min-width:44px;min-height:48px;padding:10px 16px;margin:4px;border:2px solid #526f60;border-radius:10px;background:#fff;color:#1e3529}dialog button:focus-visible{outline:4px solid #125ab3;outline-offset:3px}