:root{--bg:#0a0a0f;--text:#fff;--border:#2a2a3e}*{box-sizing:border-box;margin:0;padding:0}html{overscroll-behavior:none}body{background:var(--bg);color:var(--text);overscroll-behavior:none;touch-action:manipulation;-webkit-text-size-adjust:100%;justify-content:center;align-items:center;min-height:100dvh;font-family:Segoe UI,system-ui,-apple-system,sans-serif;display:flex}body.playing-active{position:fixed;inset:0;overflow:hidden}#app{width:100%;max-width:860px;padding:20px;padding-left:max(20px, env(safe-area-inset-left));padding-right:max(20px, env(safe-area-inset-right));padding-bottom:max(20px, env(safe-area-inset-bottom));flex-direction:column;align-items:center;gap:20px;display:flex}h1{letter-spacing:2px;background:linear-gradient(135deg,#00d26a 0%,#07f 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:600}.game-container{flex-direction:column;align-items:center;gap:15px;width:100%;display:flex;position:relative}.chat-overlay{z-index:10;position:absolute;top:10px;left:auto;right:10px}.chat-bubble{color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;background:#0a0e1ed1;border:1px solid #78a0ff80;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.3rem;position:relative}.chat-unread{border:2px solid var(--bg);background:#ff3b30;border-radius:50%;width:12px;height:12px;position:absolute;top:-2px;right:-2px}.chat-panel{box-sizing:border-box;background:#0a0e1ed1;border:1px solid #78a0ff59;border-radius:8px;flex-direction:column;gap:6px;width:min(300px,80vw);padding:8px;font-size:.8rem}.chat-panel-head{align-items:center;gap:6px;display:flex}.chat-collapse{color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;background:#0000004d;border:1px solid #78a0ff66;border-radius:6px;flex:none;width:26px;height:26px;font-size:.9rem}.vs-header{color:#fc0;text-align:center;white-space:nowrap;text-overflow:ellipsis;flex:auto;min-width:0;font-weight:700;overflow:hidden}.chat-log{word-break:break-word;background:#00000059;border-radius:4px;flex-direction:column;gap:2px;height:180px;padding:4px;display:flex;overflow-y:auto}.chat-line{color:#e6e6e6;line-height:1.3}.chat-name{color:#6cf;font-weight:700}.chat-input{box-sizing:border-box;color:#fff;background:#0006;border:1px solid #78a0ff66;border-radius:4px;width:100%;padding:6px 8px;font-size:.8rem}.chat-input:focus{border-color:#6cf;outline:none}#game-canvas{border:2px solid var(--border);aspect-ratio:4/3;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;border-radius:8px;width:min(800px,100%,133.333dvh - 306.667px);height:auto;display:block;box-shadow:0 0 30px #0064ff1a}.controls{opacity:.7;gap:40px;font-size:.9rem;display:flex}.control-group{flex-direction:column;align-items:center;gap:5px;display:flex}.control-group h3{text-transform:uppercase;letter-spacing:1px;font-size:.8rem;font-weight:500}.player-1{color:#00d26a}.player-2{color:#07f}.keys{font-family:monospace;font-size:.85rem}.mode-select{flex-direction:column;align-items:center;gap:20px;margin-top:20px;display:flex}.mode-select h2{color:#888;font-size:1.2rem;font-weight:500}.mode-buttons{flex-wrap:wrap;justify-content:center;gap:20px;display:flex}.mode-btn{border:2px solid var(--border);color:var(--text);cursor:pointer;background:#ffffff0d;border-radius:12px;flex-direction:column;align-items:center;gap:8px;padding:20px 30px;transition:all .2s;display:flex}.mode-btn:hover{transform:translateY(-3px);box-shadow:0 5px 20px #0064ff33}.btn-1p:hover{background:#00d26a1a;border-color:#00d26a}.btn-2p:hover{background:#0077ff1a;border-color:#07f}.mode-icon{font-size:2rem}.mode-label{font-size:1.1rem;font-weight:600}.mode-note{color:#ff8a65;text-align:center;max-width:140px;font-size:.72rem;line-height:1.2}.mode-btn.disabled{cursor:not-allowed;opacity:.5}.mode-btn.disabled:hover{box-shadow:none;border-color:var(--border);background:#ffffff0d;transform:none}.chat-input-row{box-sizing:border-box;gap:6px;width:100%;display:flex}.chat-input-row .chat-input{flex:auto;width:auto;min-width:0}.chat-send-btn{color:#fff;cursor:pointer;background:#0077ff40;border:1px solid #78a0ff80;border-radius:4px;flex:none;padding:6px 12px;font-size:.8rem}.chat-send-btn:active{background:#0077ff80}.touch-actions{justify-content:center;width:100%;display:flex}.ta-group{flex-wrap:wrap;justify-content:center;gap:10px;width:100%;max-width:720px;display:flex}.ta-btn{border:2px solid var(--border);min-height:48px;color:var(--text);cursor:pointer;-webkit-tap-highlight-color:transparent;background:#ffffff0f;border-radius:10px;flex:0 auto;padding:12px 18px;font-size:1rem;font-weight:600;transition:transform .1s,background .15s,border-color .15s}.ta-btn:active{background:#ffffff1f;transform:scale(.96)}.ta-btn.primary{background:#00d26a1f;border-color:#00d26a}.ta-btn.ghost{opacity:.75}.ta-btn[disabled]{opacity:.35;pointer-events:none}.ta-btn.ta-big{flex:100%;min-height:60px;font-size:1.25rem}.invite-code{text-align:center;letter-spacing:.3rem;color:#00d26a;cursor:pointer;-webkit-user-select:all;user-select:all;border:2px dashed #00d26a80;border-radius:12px;flex:100%;padding:12px;font-family:monospace;font-size:2.4rem;font-weight:700}.invite-feedback{text-align:center;color:#6cf;flex:100%;min-height:1.1rem;font-size:.85rem}.joincode-display{text-align:center;letter-spacing:.4rem;color:#fff;flex:100%;font-family:monospace;font-size:2.6rem;font-weight:700}.joincode-error{text-align:center;color:#ff6b6b;flex:100%;min-height:1.1rem;font-size:.85rem}.keypad{flex:100%;grid-template-columns:repeat(8,1fr);gap:6px;display:grid}.keypad-btn{border:2px solid var(--border);min-height:44px;color:var(--text);cursor:pointer;-webkit-tap-highlight-color:transparent;background:#ffffff0f;border-radius:8px;font-family:monospace;font-size:1.1rem;font-weight:600}.keypad-btn:active{background:#0077ff59;transform:scale(.94)}.keypad-actions{flex:100%;justify-content:center;gap:10px;display:flex}@media (width<=420px){.keypad{grid-template-columns:repeat(6,1fr)}}.ta-note{text-align:center;color:#ff8a65;flex:100%;font-size:.78rem}.dpad{touch-action:none;grid-template-rows:repeat(3,64px);grid-template-columns:repeat(3,64px);justify-content:center;gap:6px;display:grid}.dpad-btn{border:2px solid var(--border);color:var(--text);cursor:pointer;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;background:#ffffff14;border-radius:12px;font-size:1.4rem}.dpad-btn:active{background:#0077ff59;transform:scale(.94)}.dpad-up{grid-area:1/2}.dpad-left{grid-area:2/1}.dpad-right{grid-area:2/3}.dpad-down{grid-area:3/2}.lobby{flex-direction:column;gap:10px;width:100%;max-width:560px;display:flex}.lobby-head{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.lobby-head h2{color:#00d26a;font-size:1.1rem;font-weight:600}.lobby-status{color:#888;font-size:.8rem}.lobby-list{flex-direction:column;gap:8px;max-height:320px;display:flex;overflow-y:auto}.lobby-row{border:1px solid var(--border);background:#ffffff0a;border-radius:10px;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;display:flex}.lobby-info{flex-direction:column;gap:2px;min-width:0;display:flex}.lobby-name{white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.lobby-meta{color:#9aa;font-size:.78rem}.lobby-join{background:#00d26a24;border-color:#00d26a;flex:none;min-height:40px;padding:8px 16px;font-size:.9rem}.lobby-empty{text-align:center;color:#777;padding:20px}@media (width<=760px){h1{font-size:1.5rem}#app{gap:12px;padding-top:12px}.chat-overlay{top:6px;right:6px}.chat-panel{padding:6px;font-size:.7rem}.chat-log{height:90px}.ta-btn{flex:40%;min-width:120px;padding:12px 10px;font-size:.95rem}}@media (width<=420px){.ta-btn{flex:45%;min-width:0}.dpad{grid-template-rows:repeat(3,56px);grid-template-columns:repeat(3,56px)}}@media (height<=520px) and (orientation:landscape){h1{display:none}#app{gap:8px;padding:8px}}