/* Functional playfield layer; the approved guofeng visual system stays intact. */
.board{display:grid;grid-template-columns:repeat(10,1fr);grid-template-rows:repeat(20,1fr);overflow:hidden;background-color:rgba(3,33,31,.82);background-image:linear-gradient(rgba(129,238,212,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(129,238,212,.13) 1px,transparent 1px)}
.cell{min-width:0;min-height:0;border:1px solid rgba(115,203,183,.12);background:rgba(5,47,43,.3);transition:background .06s}.cell.active,.cell.locked{background:var(--piece,#78d9c9);border-color:color-mix(in srgb,var(--piece,#78d9c9),#fff 45%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}
.preview-grid{display:grid!important;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr);gap:2px;padding:8px;box-sizing:border-box;align-items:stretch;justify-items:stretch;background:rgba(3,45,42,.45);border-radius:10px}.preview-grid .preview-cell{position:static!important;width:100%;height:100%;min-width:0;min-height:0;border:2px solid #f1df9a;border-radius:2px;background:var(--piece);box-shadow:inset 0 0 0 1px rgba(255,255,255,.35)}
.modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:20px;background:rgba(0,17,16,.58);backdrop-filter:blur(5px)}.modal[hidden]{display:none}.modal section{width:min(90vw,380px);padding:30px 28px;text-align:center;border:1px solid #e1c26a;border-radius:18px;background:linear-gradient(145deg,#0b403a,#062823);box-shadow:0 0 40px rgba(85,224,195,.28),inset 0 0 20px rgba(255,226,129,.08)}.modal p{margin:0 0 7px;color:#82ead5;letter-spacing:.22em;font-size:12px}.modal h1{margin:0;color:#fff0bd;font-size:28px}.modal span{display:block;margin:13px auto 23px;color:#c4ded7;line-height:1.7}.modal button{border:1px solid #f2cf69;border-radius:9px;padding:10px 32px;background:linear-gradient(135deg,#27bfae,#3966ba);box-shadow:0 0 18px rgba(51,210,186,.38);color:#fffbe6;font:inherit;font-weight:700;cursor:pointer}.game-shell{transform:scale(var(--game-scale,1));transform-origin:center center;transition:transform .18s ease}
@media(max-width:720px){html,body{width:100%;max-width:100%;overflow:hidden}.game-shell{max-width:100vw;overflow:hidden}.preview-grid{padding:5px;gap:1px}.modal{max-width:100vw;overflow:hidden}.modal section{width:calc(100vw - 32px);max-width:calc(100vw - 32px);padding:20px 14px;overflow-wrap:anywhere}.modal h1{font-size:23px}}

/* The empty left rail becomes the compact 12-stage map without changing the approved layout. */
.left-rail{min-width:0;display:flex;flex-direction:column;gap:10px}.left-rail .hold{align-self:auto}.chapter-map{padding:0 10px 10px}.chapter-map h2{padding-left:0;padding-right:0}.stage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:9px}.stage-grid span{display:grid;place-items:center;min-height:25px;border:1px solid rgba(111,203,179,.48);border-radius:6px;background:rgba(8,48,43,.72);color:#a8cfc2;font-size:11px;font-weight:800;letter-spacing:.04em}.stage-grid span.current{border-color:#e4c66c;background:linear-gradient(135deg,#397e69,#17453c);color:#fff0bd;box-shadow:inset 0 0 9px rgba(239,205,106,.22)}.stage-grid span.complete{border-color:#71d6b9;color:#dfffe9;background:#1b6254}.chapter-map p{margin:9px 0 0;color:#a9ccbe;font-size:10px;line-height:1.35;text-align:center}
@media(max-width:720px){.left-rail{gap:4px}.chapter-map{padding:0 4px 4px}.chapter-map h2{font-size:8px}.stage-grid{gap:2px;margin-top:4px}.stage-grid span{min-height:15px;border-radius:3px;font-size:6px}.chapter-map p{display:none}}

/* Explicit grid override: keeps all twelve stage markers distinct on every browser. */
.chapter-map .stage-grid{display:grid!important;grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:6px!important}.chapter-map .stage-grid span{display:grid!important;place-items:center!important;min-height:25px!important;border:1px solid rgba(111,203,179,.48)!important;border-radius:6px!important;background:rgba(8,48,43,.72)!important;color:#a8cfc2!important}
.goal{display:block;margin:-2px 14px 10px;color:#9bcfbd;font-size:10px;letter-spacing:.08em}.status .card:first-child .goal{color:#e4c66c}
@media(max-width:720px){.goal{margin:-1px 4px 4px;font-size:7px}}