:root{--ink:#163b3b;--muted:#687e79;--green:#197a5d;--paper:#f7faf6;--line:#dbe6dd;--mint:#e6f1e8}*{box-sizing:border-box}body{margin:0;font-family:system-ui,"Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--paper)}a{color:inherit;text-decoration:none}header{max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:25px 32px;border-bottom:1px solid var(--line)}.brand{font-size:30px;font-weight:950;letter-spacing:-2px;color:var(--green)}.brand span{font-size:13px;font-weight:600;letter-spacing:1px;border-left:1px solid #b3c9bd;padding-left:14px;margin-left:15px}nav{display:flex;gap:26px;align-items:center;font-size:14px;font-weight:600}main{max-width:1136px;margin:auto}.home{padding:0 24px}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;padding:70px 0 60px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:800;color:var(--green)}h1{font-size:clamp(34px,4.5vw,61px);line-height:1.2;letter-spacing:-2px;margin:20px 0}h2{font-size:26px;line-height:1.35;margin:12px 0 18px;letter-spacing:-.7px}h3{font-size:21px}p{line-height:1.8;color:var(--muted)}.lead{font-size:17px;margin:24px 0 32px}.button,button{display:inline-flex;align-items:center;justify-content:center;gap:25px;border:1px solid #bdcfc1;border-radius:10px;padding:12px 20px;background:#fff;color:var(--ink);font:600 14px inherit;font-family:inherit;font-size:14px;cursor:pointer;transition:background .15s,transform .15s}.button:hover,button:hover{background:#e8f2e9}button:disabled{opacity:.45;cursor:not-allowed}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#0f654c}.caption{font-size:12px;line-height:1.75}.hero-art{height:365px;position:relative;border-radius:40% 60% 50% 50%;background:radial-gradient(ellipse,#e0efe2 0%,#e0efe2 58%,transparent 59%)}.big-bubble,.small-bubble{position:absolute;display:grid;place-items:center;border-radius:50%;background:radial-gradient(circle at 30% 25%,#e9fcff,#9be1f1 47%,#4da2cb 95%);box-shadow:inset -12px -10px 25px #3587b966,0 22px 25px #183f4e15;border:4px solid #dbf5ff}.big-bubble{width:225px;height:225px;top:35px;left:38px;transform:rotate(-8deg)}.small-bubble{width:135px;height:135px;bottom:24px;right:25px;transform:rotate(10deg);background:radial-gradient(circle at 30% 25%,#fff8e1,#f7d9a5 47%,#e4957c)}.big-bubble img{width:105px;image-rendering:pixelated}.small-bubble img{width:73px;image-rendering:pixelated}.art-label{position:absolute;bottom:12px;left:40px;font-size:12px;letter-spacing:2px;font-weight:800;transform:rotate(-8deg)}.spark{position:absolute;font-size:45px;color:#c1a961}.s1{right:15px;top:15px}.s2{left:0;bottom:85px;font-size:28px}.notice{display:flex;align-items:center;gap:20px;padding:18px 22px;border:1px solid var(--line);border-radius:12px;background:#edf3e9}.notice p{margin:0;font-size:13px}.notice strong{color:var(--ink)}.badge{font-size:11px;font-weight:700;background:white;padding:7px 10px;border-radius:7px;white-space:nowrap}#progress{padding:65px 0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:28px;box-shadow:0 3px 6px #173b2e03}.card p{font-size:14px}.number{font-size:14px;font-weight:800;color:var(--green)}.pill{display:inline-block;border-radius:6px;background:var(--mint);color:var(--green);padding:6px 10px;font-size:11px;font-weight:700;white-space:nowrap}.muted{background:#f0f2ee;color:var(--muted)}.bottom-card{display:flex;align-items:center;justify-content:space-between;background:#e1eddf;border-radius:18px;padding:30px 38px;margin-bottom:60px}.bottom-card h2{margin:0}.bottom-card p{margin:8px 0 0;font-size:14px}footer{max-width:1136px;margin:30px auto 0;padding:24px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;letter-spacing:.5px}.play-shell{padding:30px 24px 40px}.play-shell h1{font-size:38px;margin:8px 0 24px}.page-title{display:flex;align-items:center;justify-content:space-between}.slim{font-size:13px;display:block;padding:12px 18px}.auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px}label{display:block;font-size:13px;font-weight:600;margin-bottom:17px}input{display:block;width:100%;margin-top:8px;border:1px solid #cfdcd2;border-radius:8px;padding:12px;font:inherit;color:var(--ink);background:#fcfdfb}input:focus{outline:2px solid #84bfa3;border-color:transparent}form button{width:100%}.error,.success{font-size:14px}.error{color:#ab3d3d}.success{color:var(--green)}#message:empty{display:none}.lobby-grid{display:grid;grid-template-columns:340px 1fr;gap:22px;margin-top:25px}.row{display:flex;justify-content:space-between;gap:15px;align-items:center}.row h2{margin-bottom:12px}.room-entry{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:16px 0;gap:15px}.room-entry small{display:block;color:var(--muted);font-size:12px;margin-top:5px}.empty{padding:24px 0}.room-grid{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:20px;margin-top:22px}.arena-card{padding:22px}canvas{display:block;width:100%;height:auto;border-radius:10px;background:#d5e6d3;outline:none}canvas:focus-visible{outline:3px solid #197a5d}.player-entry{display:flex;gap:9px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);font-size:13px}.player-entry img{width:25px;image-rendering:pixelated}.player-entry small{margin-left:auto;font-size:11px;color:var(--muted)}.room-actions{display:grid;gap:12px;margin-top:24px}.quiet{border-color:transparent;color:var(--muted)}hr{border:0;border-top:1px solid var(--line);margin-top:25px}#result:not(:empty){background:var(--mint);border-radius:8px;padding:15px;margin-top:15px;font-size:14px;font-weight:700}.touch-controls{display:flex;gap:8px;flex-wrap:wrap}.touch-controls button{padding:10px 15px}.narrow{max-width:500px;margin-top:28px}.admin-grid{grid-template-columns:1fr 1fr}#dashboard>.feature-grid{margin-top:24px}:focus-visible{outline:3px solid #8bba65;outline-offset:3px}[hidden]{display:none!important}@media(max-width:800px){header{padding:18px 20px}nav{gap:14px;font-size:12px}.brand span{display:none}.hero{grid-template-columns:1fr;gap:20px;padding:40px 0}.hero-art{height:300px;max-width:400px;width:100%;margin:auto}.big-bubble{width:200px;height:200px}.small-bubble{width:120px;height:120px}.feature-grid,.lobby-grid,.room-grid,.auth-grid,.admin-grid{grid-template-columns:1fr}.notice{align-items:flex-start}.notice .badge{display:none}.bottom-card{align-items:flex-start;gap:20px;flex-direction:column;padding:25px}.card{padding:22px}.page-title .pill{max-width:140px;white-space:normal}.room-grid aside{order:-1}.room-actions{display:flex;flex-wrap:wrap;margin-top:12px}.room-actions button{flex:1}.room-grid aside .caption,.room-grid aside hr{display:none}.player-entry{padding:8px 0}.play-shell{padding:20px 14px}.hero h1{font-size:44px}.hero-art .s1{right:10px}.room-grid aside h2{font-size:19px;margin:0 0 8px}.room-grid{gap:12px}}
/* Touch controls share the authoritative server movement cooldown. */
.touch-controls{justify-content:space-between;align-items:center;gap:16px;margin-top:14px;touch-action:none;user-select:none;-webkit-user-select:none}
.direction-pad{display:grid;grid-template-columns:repeat(3,52px);grid-template-rows:repeat(2,48px);gap:6px}
.direction-pad button{min-width:48px;min-height:48px;padding:0;font-size:24px;touch-action:none;-webkit-touch-callout:none}
[data-direction=up]{grid-column:2;grid-row:1}[data-direction=left]{grid-column:1;grid-row:2}[data-direction=down]{grid-column:2;grid-row:2}[data-direction=right]{grid-column:3;grid-row:2}
.direction-pad .held{background:#c2e6d3;border-color:var(--green)}
#bomb{min-width:100px;min-height:62px;touch-action:manipulation}
.play-page input{font-size:16px}.room-title{overflow-wrap:anywhere}
@media(max-width:800px){.play-page header{padding:12px 16px}.play-shell{padding-bottom:max(24px,env(safe-area-inset-bottom))}.arena-card{padding:14px}.room-grid aside{order:0}.room-grid aside .player-entry{font-size:12px}.room-grid aside .room-actions button{min-height:44px;flex-basis:40%}.arena-card .row h2{font-size:20px;overflow-wrap:anywhere}.arena-card .eyebrow{margin-top:0}.touch-controls{position:sticky;bottom:0;background:white;padding:10px 0 max(10px,env(safe-area-inset-bottom));z-index:1}.play-shell h1{font-size:30px;margin-bottom:10px}.play-shell .page-title{gap:10px}.play-page .card{min-width:0}.play-page nav a,.play-page nav button{min-height:44px;display:inline-flex;align-items:center}.play-page .notice{margin:10px 0}.play-page canvas{touch-action:pan-y}}
@media(max-width:800px) and (orientation:landscape){.room-grid{grid-template-columns:minmax(0,1fr) 210px}.room-grid aside{padding:12px}.arena-card canvas{max-height:calc(100dvh - 155px);width:auto;max-width:100%;margin:auto}.touch-controls{position:static}.direction-pad{grid-template-columns:repeat(3,44px);grid-template-rows:repeat(2,44px);gap:4px}.direction-pad button{min-width:44px;min-height:44px}.arena-card .caption{font-size:11px;margin:6px 0}.room-grid aside .room-actions button{flex-basis:100%}}
@media(max-width:360px){.touch-controls{gap:8px}.direction-pad{grid-template-columns:repeat(3,46px)}#bomb{min-width:90px;padding:12px}.play-shell .page-title .pill{max-width:110px}.play-page header nav{gap:8px}}
/* Keep the map and touch actions together during a mobile match. */
.play-focus-label{display:none}
@media(max-width:800px){
.play-page.is-playing>header,.is-playing .page-title,.is-playing .play-shell>.notice{display:none}
.is-playing .play-shell{padding:8px max(8px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left))}
.is-playing .play-focus-label{display:block;margin:0 4px 5px;font-size:11px;line-height:18px;color:var(--muted)}
.is-playing #message{margin:2px 4px;font-size:12px;line-height:18px}
.is-playing .room-grid{margin-top:0;grid-template-columns:1fr;gap:10px}
.is-playing .arena-card{padding:10px;display:flex;flex-direction:column;gap:8px}
.is-playing .arena-card>.row{min-height:32px;gap:8px}
.is-playing .arena-card .eyebrow{display:none}
.is-playing .arena-card .row h2{font-size:17px;line-height:24px;margin:0;max-width:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.is-playing .arena-card .row>div{min-width:0}
.is-playing .arena-card canvas{width:auto;max-width:100%;max-height:calc(100dvh - 230px);align-self:center;margin:0;aspect-ratio:13/11}
.is-playing .arena-card>.caption{display:none}
.is-playing .touch-controls{position:static;flex-wrap:nowrap;gap:8px;margin:0;padding:0 0 max(0px,env(safe-area-inset-bottom))}
.is-playing #result:not(:empty){margin:0;padding:8px;font-size:12px;line-height:18px;order:4}
.is-playing .room-grid aside{order:0}
}
@media(max-width:800px) and (orientation:landscape){
.is-playing .arena-card{display:grid;grid-template-columns:minmax(0,1fr) 176px;gap:6px 12px;align-items:center}
.is-playing .arena-card>.row{grid-column:1/-1;grid-row:1}
.is-playing .arena-card canvas{grid-column:1;grid-row:2;justify-self:center;max-height:calc(100dvh - 110px)}
.is-playing .touch-controls{grid-column:2;grid-row:2;flex-direction:column;justify-content:center;gap:12px}
.is-playing .direction-pad{grid-template-columns:repeat(3,48px);grid-template-rows:repeat(2,44px)}
.is-playing #bomb{width:152px;min-height:48px}
.is-playing #result{grid-column:1/-1;grid-row:3}
}