:root{--red:#ef4444;--green:#22c55e;--sky:#dff6ff;--ink:#203044}*{box-sizing:border-box}html,body{height:100%;height:100dvh;margin:0;overscroll-behavior:none;touch-action:none}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(160deg,#fff7ed,#dff6ff 55%,#dcfce7);color:var(--ink);overflow:hidden}.panel{width:min(680px,92vw);margin:8vh auto;padding:28px;border-radius:28px;background:rgba(255,255,255,.78);box-shadow:0 24px 80px rgba(15,23,42,.18);backdrop-filter:blur(12px)}.brand{display:inline-block;padding:8px 14px;border-radius:999px;background:#fff;color:#ef4444;font-weight:800}h1{font-size:clamp(34px,7vw,64px);line-height:1;margin:18px 0 12px}p{font-size:18px;line-height:1.55}input{height:48px;border:2px solid #d8e2ec;border-radius:16px;padding:0 14px;font-size:18px;background:#fff}button{height:48px;border:0;border-radius:16px;padding:0 18px;font-weight:900;font-size:16px;color:#fff;background:linear-gradient(135deg,#ef4444,#f97316);box-shadow:0 10px 24px rgba(239,68,68,.24)}button.secondary{background:#334155}.row{display:flex;gap:10px;flex-wrap:wrap}.row input{width:110px;text-transform:uppercase}.hidden{display:none!important}#game{position:fixed;inset:0;min-height:100dvh;display:grid;grid-template-rows:52px minmax(0,1fr)}header{display:flex;gap:6px;align-items:center;justify-content:space-between;padding:6px 10px;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);z-index:2;padding-top:max(6px,env(safe-area-inset-top))}#roomLabel{font-size:22px;margin-right:8px;color:#ef4444}#phaseLabel{font-size:14px;padding:4px 8px;border-radius:999px;background:#e0f2fe}#timer{font-size:24px;font-weight:900}header button{height:38px;padding:0 12px;border-radius:12px}canvas{width:100vw;height:calc(100dvh - 52px);display:block;background:linear-gradient(#dff6ff,#f8fafc 55%,#dcfce7)}#toast{position:fixed;left:50%;top:78px;transform:translateX(-50%);padding:10px 16px;border-radius:18px;background:rgba(15,23,42,.86);color:#fff;font-weight:800;z-index:4;max-width:90vw;text-align:center}#board{position:fixed;left:12px;top:70px;width:210px;max-height:50vh;overflow:auto;padding:12px;border-radius:18px;background:rgba(255,255,255,.74);font-size:14px;box-shadow:0 12px 34px rgba(15,23,42,.14)}#board div{display:flex;align-items:center;justify-content:space-between;margin:6px 0}.dot{width:12px;height:12px;border-radius:50%;display:inline-block;margin-right:5px}#controls{position:fixed;right:max(10px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));display:grid;grid-template-columns:72px 72px 72px;gap:10px;z-index:5}#controls button{width:72px;height:72px;border-radius:50%;font-size:20px;background:rgba(239,68,68,.86);touch-action:none}@media(max-width:720px){#board{width:155px;font-size:12px;top:58px;left:8px;padding:8px;max-height:34vh}header{gap:3px;min-height:52px}#roomLabel{font-size:18px}#timer{font-size:20px}header button{height:34px;font-size:12px;padding:0 7px}.panel{margin:3dvh auto;padding:18px;max-height:94dvh;overflow:auto}#controls{left:50%;right:auto;transform:translateX(-50%);bottom:max(10px,env(safe-area-inset-bottom));grid-template-columns:64px 64px 64px}#controls button{width:64px;height:64px}}@media(max-height:520px){#game{grid-template-rows:44px minmax(0,1fr)}canvas{height:calc(100dvh - 44px)}header{min-height:44px;padding:4px 8px}#board{display:none}#controls{grid-template-columns:56px 56px 56px;gap:8px}#controls button{width:56px;height:56px;font-size:17px}}

/* Mobile control pad v3: left thumb moves, right thumb jumps/dashes */
#controls{left:0;right:0;bottom:max(14px,env(safe-area-inset-bottom));display:flex;justify-content:space-between;align-items:flex-end;padding:0 max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left));pointer-events:none;transform:none;grid-template-columns:none}
#controls .move-pad,#controls .action-pad{display:flex;gap:12px;align-items:flex-end;pointer-events:auto}
#controls button{width:72px;height:72px;border-radius:24px;font-size:22px;background:rgba(239,68,68,.88);box-shadow:0 12px 28px rgba(239,68,68,.24);touch-action:none;user-select:none;-webkit-user-select:none}
#controls .move-pad button{width:86px;border-radius:22px;background:rgba(15,23,42,.72)}
#controls .jump{width:88px;height:88px;border-radius:50%;font-size:24px;background:rgba(239,68,68,.95)}
#controls .down{width:58px;height:58px;border-radius:20px;background:rgba(249,115,22,.9)}
@media(max-width:720px){#controls{left:0;right:0;bottom:max(10px,env(safe-area-inset-bottom));transform:none;display:flex;grid-template-columns:none;padding:0 max(10px,env(safe-area-inset-right)) 0 max(10px,env(safe-area-inset-left))}#controls button{width:64px;height:64px}#controls .move-pad{gap:8px}#controls .move-pad button{width:74px;height:66px}#controls .action-pad{gap:8px}#controls .jump{width:78px;height:78px}#controls .down{width:52px;height:52px}}
@media(max-height:520px){#controls{bottom:max(8px,env(safe-area-inset-bottom));padding:0 10px}#controls button{width:54px;height:54px;font-size:17px}#controls .move-pad button{width:72px;height:54px}#controls .jump{width:64px;height:64px}.action-pad .down{width:46px;height:46px}}

#countdownOverlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:6;pointer-events:none;font-size:min(42vw,42vh,260px);font-weight:1000;line-height:1;color:#ef4444;text-shadow:0 12px 0 #fff,0 24px 60px rgba(239,68,68,.38);opacity:0;transform:scale(.72);transition:opacity .12s ease,transform .12s ease}
#countdownOverlay.show{opacity:1;transform:scale(1)}

.skin-preview{display:flex;align-items:center;gap:14px;margin:12px 0 8px;padding:12px;border:1px solid rgba(239,68,68,.16);border-radius:22px;background:rgba(255,255,255,.72);box-shadow:inset 0 0 0 1px rgba(255,255,255,.45)}.skin-preview canvas{width:104px;height:104px;border-radius:22px;flex:0 0 auto}.skin-preview b{display:block;font-size:20px;color:#ef4444}.skin-preview span{display:block;margin-top:4px;font-size:13px;color:#64748b;font-weight:700}
.skin-picker{display:flex;gap:8px;overflow:auto;padding:8px 0 12px;margin:2px 0 8px}.skin-picker button{height:38px;white-space:nowrap;border-radius:999px;background:#e2e8f0;color:#203044;box-shadow:none;font-size:13px;padding:0 12px}.skin-picker button.active{background:linear-gradient(135deg,#ef4444,#f97316);color:#fff}.lobby-skin{position:fixed;left:50%;top:64px;transform:translateX(-50%);z-index:5;display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.86);box-shadow:0 12px 30px rgba(15,23,42,.14);backdrop-filter:blur(12px);font-size:13px}.lobby-skin button{width:36px;height:32px;border-radius:12px;padding:0;background:#334155}.lobby-skin b{min-width:92px;text-align:center}.lobby-skin.hidden{display:none!important}@media(max-width:720px){.lobby-skin{top:58px;max-width:94vw}.skin-preview{gap:10px;padding:10px}.skin-preview canvas{width:88px;height:88px}.skin-preview b{font-size:17px}.skin-picker button{font-size:12px;height:36px}}

.demo-guide{margin-top:18px;padding-top:12px;border-top:1px solid rgba(148,163,184,.28)}.demo-guide h2{margin:8px 0 12px;font-size:20px}.demo-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.demo-cards figure{margin:0;background:rgba(255,255,255,.65);border-radius:16px;overflow:hidden;border:1px solid rgba(148,163,184,.22)}.demo-cards img{width:100%;height:110px;object-fit:cover;object-position:bottom center;display:block}.demo-cards figcaption{font-size:12px;line-height:1.35;padding:8px;color:#334155}@media(max-width:720px){.demo-cards{grid-template-columns:1fr}.demo-cards img{height:120px;object-position:bottom center}.demo-guide{margin-top:12px}}