/* 作者：abin；TapGameHub 原创游戏共用样式：明亮纸面、深墨线条、大触控按钮，适配手机与桌面。 */
:root{--ink:#243e36;--paper:#fbf8ef;--card:#fffdf7;--line:#e4dccb;--muted:#6c7a73;--accent:#3d9477;--accent-ink:#fff;--warn:#d9534f;--gold:#f2b84b;--radius:14px;font-family:ui-rounded,"SF Pro Rounded","Segoe UI",system-ui,-apple-system,Roboto,sans-serif;color:var(--ink);-webkit-tap-highlight-color:transparent}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--paper);overflow:hidden}
body{display:flex;flex-direction:column;user-select:none;-webkit-user-select:none;touch-action:manipulation}
button{font:inherit;color:inherit}
.hud{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--card);border-bottom:2px solid var(--line);flex-wrap:wrap;min-height:52px}
.hud .title{font-weight:800;letter-spacing:.04em;font-size:15px;margin-right:auto;white-space:nowrap}
.stat{display:inline-flex;flex-direction:column;align-items:center;min-width:54px;padding:2px 8px;border-radius:10px;background:var(--paper);border:1px solid var(--line);line-height:1.1}
.stat small{font-size:10px;font-weight:700;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.stat b{font-size:17px;font-variant-numeric:tabular-nums}
.btn{appearance:none;border:2px solid var(--ink);background:var(--card);border-radius:999px;padding:7px 14px;font-weight:700;font-size:14px;cursor:pointer;line-height:1.1;min-height:36px;transition:transform .08s,background .15s}
.btn:hover{background:#f2eddf}.btn:active{transform:scale(.96)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.small{padding:5px 10px;min-height:30px;font-size:13px}
.btn[aria-pressed="true"]{background:var(--ink);color:var(--card)}
.btn:disabled{opacity:.45;cursor:default;transform:none}
.btn:focus-visible,.cell:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.stage{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden}
canvas.board{display:block;max-width:100%;max-height:100%;touch-action:none}
.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(251,248,239,.86);backdrop-filter:blur(2px);z-index:20;padding:16px}
.overlay[hidden]{display:none}
.panel{background:var(--card);border:2px solid var(--ink);border-radius:20px;padding:22px 22px 18px;max-width:420px;width:100%;text-align:center;box-shadow:0 8px 0 rgba(36,62,54,.12)}
.panel h1,.panel h2{margin:0 0 6px;font-size:26px;letter-spacing:.01em}
.panel p{margin:6px 0 12px;color:var(--muted);line-height:1.45;font-size:15px}
.panel .row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:10px}
.big{font-size:44px;font-weight:800;margin:4px 0;font-variant-numeric:tabular-nums}
.toast{position:absolute;left:50%;top:14px;transform:translateX(-50%);background:var(--ink);color:var(--card);padding:6px 14px;border-radius:999px;font-weight:700;font-size:14px;z-index:30;pointer-events:none;opacity:0;transition:opacity .2s}
.toast.show{opacity:1}
.foot{font-size:11px;color:var(--muted);text-align:center;padding:4px 8px 6px}
.foot a{color:inherit}
.seg{display:inline-flex;border:2px solid var(--ink);border-radius:999px;overflow:hidden}
.seg button{border:0;background:var(--card);padding:6px 12px;font-weight:700;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--card)}
@media (max-width:520px){.hud{gap:6px;padding:6px 8px}.hud .title{font-size:13px;width:100%;margin:0}.stat{min-width:46px;padding:2px 6px}.stat b{font-size:15px}.btn{padding:6px 11px;font-size:13px}}