:root{--bg: #f4f8fb;--fg: #1f2a35;--muted: #56636f;--line: #dfe8f1;--card: #fff;--accent: #2b7bb9;--accent-dk: #1f5f91;--accent-fg: #fff;--gold: #e0a92e;--table: #e3edf6;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,Noto Sans TC,PingFang TC,sans-serif;-webkit-tap-highlight-color:transparent}a{color:var(--accent)}.logo{width:34px;height:34px;flex:none}.muted{color:var(--muted)}.btn{font:inherit;font-weight:700;cursor:pointer;padding:9px 16px;min-height:44px;border-radius:12px;border:2px solid var(--accent);background:#fff;color:var(--accent);box-shadow:0 3px 0 var(--line);white-space:nowrap}.btn.primary{background:var(--accent);color:var(--accent-fg);box-shadow:0 3px 0 var(--accent-dk)}.btn:active:not(:disabled){transform:translateY(2px);box-shadow:none}.btn:disabled{opacity:.45;cursor:default}.btn.icon{width:44px;padding:0;font-size:20px}.game{height:100%;display:flex;flex-direction:column;overflow:hidden}.hud{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px max(10px,env(safe-area-inset-left)) 8px max(10px,env(safe-area-inset-right));padding-top:max(8px,env(safe-area-inset-top));background:#fff;border-bottom:1px solid var(--line)}.hud-title{font-weight:800;color:var(--accent);margin-right:auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.hud-stat{display:flex;flex-direction:column;align-items:center;line-height:1.1;min-width:52px}.hud-stat small{color:var(--muted);font-size:12px}.hud-stat b{font-size:19px;font-variant-numeric:tabular-nums}.menu{position:absolute;z-index:20;top:62px;left:10px;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 30px #0000001f;overflow:hidden}.menu button,.menu a{font:inherit;text-align:left;padding:14px 20px;border:0;background:none;color:var(--fg);text-decoration:none;cursor:pointer}.menu button:hover,.menu a:hover{background:var(--bg)}.table{position:relative;flex:1;min-height:0;display:grid;place-items:center;background:var(--table);padding:6px;padding-bottom:max(6px,env(safe-area-inset-bottom))}.loading{color:var(--muted);font-weight:700}.board{position:relative}.tile{position:absolute;padding:1px;margin:0;border:0;background:none;cursor:pointer;transition:transform .12s,opacity .25s}.tile img{display:block;width:100%;height:100%;border-radius:12%/9%;box-shadow:0 2px #c9b98f,0 3px #2a8f63,0 4px 6px #14283c40;pointer-events:none;user-select:none}.tile:hover img{filter:brightness(1.04)}.tile.sel{transform:translateY(-3px);z-index:2}.tile.sel img{outline:3px solid var(--accent);outline-offset:-1px;box-shadow:0 0 0 5px #2b7bb94d,0 6px 10px #14283c4d}.tile.hint img{outline:3px solid var(--gold);outline-offset:-1px;animation:pulse 1s ease-in-out infinite}.tile.gone{opacity:0;transform:scale(.85);transition-delay:.1s}.tile.shake{animation:shake .35s}.path{position:absolute;inset:0;pointer-events:none;z-index:3}.path polyline{fill:none;stroke:var(--accent);stroke-width:5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;animation:draw .18s ease-out forwards;filter:drop-shadow(0 0 3px rgba(255,255,255,.9))}@keyframes draw{to{stroke-dashoffset:0}}@keyframes shake{20%,60%{transform:translate(-4px)}40%,80%{transform:translate(4px)}}@keyframes pulse{50%{filter:brightness(1.12)}}.toast{position:absolute;left:50%;bottom:18px;transform:translate(-50%);margin:0;z-index:10;background:#1f2a35eb;color:#fff;padding:10px 18px;border-radius:999px;font-weight:600;font-size:15px;max-width:calc(100% - 32px);text-align:center}.overlay{position:fixed;inset:0;z-index:30;display:grid;place-items:center;background:#14233273;padding:16px}.win{width:min(420px,100%);max-height:100%;overflow:auto;background:#fff;border-radius:22px;padding:20px 22px 24px;text-align:center;box-shadow:0 20px 60px #00000040}.win img{width:150px;height:auto;mix-blend-mode:multiply}.win h2{margin:4px 0 0;color:var(--accent);font-size:26px}.win-sub{margin:0 0 8px;color:var(--muted)}.win-time{margin:6px 0;display:flex;flex-direction:column}.win-time small{color:var(--muted)}.win-time b{font-size:40px;font-variant-numeric:tabular-nums;line-height:1.1}.win-best{color:#b7791f;font-weight:800;margin:4px 0}.win .muted{margin:4px 0;font-size:14.5px}.win-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:16px}@media(max-width:560px){.hud{gap:6px}.hud .btn:not(.icon){padding:8px 10px;font-size:14px}.hud-title{order:-1;flex-basis:calc(100% - 52px)}}body:not(.playing){--bg: #fff;--soft: #f2f7fc;--mint: #e8f2fb;--peach: #fdf0ea;--sky: #ecf4fb;--butter: #fdf7e3;background:var(--bg)}body:not(.playing) .lobby{min-height:100%}body:not(.playing) .top{display:flex;align-items:center;gap:16px;max-width:760px;margin:0 auto;padding:12px 16px}body:not(.playing) .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;color:var(--accent);text-decoration:none;white-space:nowrap}body:not(.playing) .lobby-nav{margin-left:auto;display:flex;gap:16px}body:not(.playing) .lobby-nav a{color:var(--fg);text-decoration:none;font-weight:600}body:not(.playing) .main{max-width:760px;margin:0 auto;padding:0 16px 40px}body:not(.playing) .lead{color:var(--muted);font-size:17px;margin:4px 0 18px}body:not(.playing) .btn{border-radius:14px;box-shadow:0 4px 0 var(--line)}body:not(.playing) .btn.primary{box-shadow:0 4px 0 var(--accent-dk)}body:not(.playing) .btn.big{padding:13px 28px;font-size:18px}body:not(.playing) .btn.wide{width:100%;margin-bottom:16px}body:not(.playing) .card{position:relative;overflow:hidden;border-radius:20px;padding:20px 20px 22px;margin-bottom:16px;box-shadow:0 2px 10px #1e3c5a0f}body:not(.playing) .card h2{margin:0 0 4px;color:var(--accent);font-size:22px}body:not(.playing) .card>img{position:absolute;right:6px;bottom:0;width:120px;height:auto;mix-blend-mode:multiply;pointer-events:none}body:not(.playing) .card>*:not(img){position:relative;z-index:1}body:not(.playing) .daily-card{background:var(--butter);padding-right:130px}body:not(.playing) .free-card{background:var(--mint);padding-right:130px}body:not(.playing) .streak{font-weight:800;color:#b7791f;margin:4px 0}body:not(.playing) .done{font-weight:800;color:var(--accent-dk);font-size:18px;margin:6px 0 10px}body:not(.playing) .small{font-size:14px;margin:10px 0 0}body:not(.playing) .segmented{display:flex;gap:6px;background:#fff;border-radius:16px;padding:5px;margin:10px 0}body:not(.playing) .segmented button{flex:1;font:inherit;border:0;border-radius:12px;padding:8px 6px;cursor:pointer;background:none;color:var(--fg);display:flex;flex-direction:column;align-items:center;min-height:52px}body:not(.playing) .segmented button small{color:var(--muted);font-size:12px}body:not(.playing) .segmented button.on{background:var(--accent);color:#fff}body:not(.playing) .segmented button.on small{color:#e6f0fa}@media(max-width:560px){body:not(.playing) .daily-card,body:not(.playing) .free-card{padding-right:20px;padding-bottom:110px}body:not(.playing) .brand span{font-size:18px}}