:root{--ink:#17251f;--green:#145b45;--paper:#f4f0e7;--card:#fffdf8;--line:#d9d1c3;--muted:#68736d;--gold:#e9aa45;--red:#a33b34}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.45 Inter,"Noto Sans Thai",system-ui,sans-serif}.shell{width:min(1280px,calc(100% - 28px));margin:auto}.top{display:flex;justify-content:space-between;padding:22px 0}.top a{color:var(--green);font-weight:850;text-decoration:none}header{display:grid;grid-template-columns:1.7fr .8fr;gap:32px;padding:28px 0 32px}h1{font:700 clamp(3rem,7vw,6rem)/.9 Georgia,serif;letter-spacing:-.055em;margin:10px 0 18px}.eyebrow,small{font-size:.68rem;letter-spacing:.13em;font-weight:900;color:var(--green);text-transform:uppercase}header p{max-width:760px;color:var(--muted)}header aside{border-left:1px solid var(--line);padding-left:26px}header aside strong{font:700 1.6rem Georgia}.layout{display:grid;grid-template-columns:minmax(500px,720px) minmax(300px,1fr);gap:18px;align-items:start}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 12px 30px rgba(23,37,31,.045)}.board{display:grid;grid-template-columns:repeat(15,1fr);aspect-ratio:1;border:2px solid var(--ink);border-radius:10px;overflow:hidden}.cell{position:relative;border:0;border-right:1px solid #d7d0c4;border-bottom:1px solid #d7d0c4;background:#f9f5eb;color:var(--ink);font:850 clamp(.65rem,1.5vw,1rem) Georgia;cursor:pointer;padding:0}.cell:hover,.cell.selected{outline:3px solid var(--gold);outline-offset:-3px;z-index:2}.cell.filled{background:#f0c36b;box-shadow:inset 0 0 0 2px #b47b26}.cell::after{content:attr(data-premium);position:absolute;inset:auto 1px 1px;font:700 clamp(.3rem,.55vw,.5rem) system-ui;color:rgba(23,37,31,.65)}.tw{background:#e69a8f}.dw{background:#edc6bd}.tl{background:#83b8cf}.dl{background:#b9d5df}.side{display:grid;gap:14px}.side h2{font:700 1.45rem Georgia;margin:0 0 8px}.controls{display:grid;grid-template-columns:1fr 90px;gap:9px}label{display:block;font-size:.75rem;font-weight:850;color:var(--green);margin-bottom:5px}input,select{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px;background:#fff;font:inherit;text-transform:uppercase}.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.primary,.secondary,.play{border-radius:9px;padding:10px 12px;font:inherit;font-weight:850;cursor:pointer}.primary{border:0;background:var(--green);color:#fff;box-shadow:0 3px 0 #0d3d2e}.primary:hover{background:#1a6b51}.primary:active{transform:translateY(3px);box-shadow:inset 0 3px 6px #0005}.primary:disabled{opacity:.55;cursor:wait}.secondary,.play{border:1px solid var(--line);background:#fff;color:var(--green}.status{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.status div{background:#f7f3eb;border-radius:10px;padding:9px}.status b{display:block;font:700 1.1rem Georgia}.notice{color:var(--muted);font-size:.78rem}.notice.error{color:var(--red)}.results{max-height:520px;overflow:auto}table{width:100%;border-collapse:collapse;font-size:.78rem}th,td{text-align:left;border-bottom:1px solid var(--line);padding:8px 6px}th{position:sticky;top:0;background:var(--card);color:var(--green)}.rank{font:700 1rem Georgia}.move-word{font-weight:900}.move-preview{outline:3px solid var(--green);outline-offset:-3px}@media(max-width:900px){header,.layout{grid-template-columns:1fr}header aside{border:0;border-top:1px solid var(--line);padding:18px 0}.board{max-width:720px}}@media(max-width:520px){.shell{width:min(100% - 16px,1280px)}.card{padding:10px}.controls,.actions{grid-template-columns:1fr}.cell::after{display:none}h1{font-size:3.2rem}}