:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#f4fbff;background:#071a2e;font-synthesis:none;text-rendering:optimizeLegibility;--panel: #0d2944;--line: #2b5879;--muted: #9fc5dc;--player-one: #38bdf8;--player-two: #fb923c}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{width:100%;min-height:100%;margin:0;overflow:hidden;background:radial-gradient(circle at 50% -15%,#1d5a7f 0%,transparent 34%),radial-gradient(circle at top,#123e5d,#071a2e 60%);touch-action:none}button{border:0;color:inherit;font:inherit}button:focus-visible{outline:3px solid #e9fbff;outline-offset:2px}#app{width:min(100vw,1180px);height:100dvh;margin:0 auto;padding:max(8px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:8px}.topbar{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:baseline;gap:9px}.brand strong{letter-spacing:.09em;font-size:clamp(.9rem,2.8vw,1.25rem);text-shadow:0 2px 12px #0008}.brand span{color:var(--muted);font-size:.7rem;font-weight:700}.top-actions{display:flex;gap:6px}.top-actions button{padding:8px 11px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(180deg,#123755,#0b2740);box-shadow:inset 0 -3px #061827,0 6px 16px #0003;font-size:.76rem;font-weight:850;cursor:pointer}.top-actions button:active{transform:translateY(2px);box-shadow:inset 0 -1px #061827}#game-shell{position:relative;min-height:0;display:grid;place-items:center;overflow:hidden;border:1px solid var(--line);border-radius:19px;background:#08243d;box-shadow:0 18px 60px #0009,inset 0 1px #ffffff0c;isolation:isolate}#game,#game canvas{width:100%;height:100%}#game canvas{display:block;object-fit:contain;image-rendering:pixelated}.game-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:10;display:grid;place-items:center;padding:16px;background:radial-gradient(circle at 50% 32%,#174e7390,transparent 42%),linear-gradient(#03101dcc,#071a2ef2);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);transition:opacity .18s ease,visibility .18s ease}.game-overlay.is-hidden{visibility:hidden;opacity:0;pointer-events:none}.start-card{width:min(560px,96%);max-height:96%;overflow:auto;padding:clamp(16px,3.5vw,24px);border:1px solid #417a9d;border-radius:22px;background:linear-gradient(160deg,#0d2f4d,#081c30 68%);box-shadow:0 22px 70px #000b,inset 0 1px #ffffff12;text-align:center}.eyebrow{margin:0 0 8px;color:#8edcff;font-size:.68rem;font-weight:900;letter-spacing:.16em}.start-card h1{margin:0;font-size:clamp(2rem,7vw,3.5rem);line-height:.9;letter-spacing:-.05em;text-shadow:0 5px 22px #0009}.subtitle{max-width:450px;margin:13px auto 16px;color:#b9d9ea;font-size:clamp(.78rem,2vw,.92rem);line-height:1.45}.rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px;text-align:left}.rule-card{min-height:58px;padding:10px 11px;display:flex;flex-direction:column;gap:3px;border:1px solid #244e6a;border-radius:13px;background:#0d2c49;font-size:.74rem}.rule-card b{color:#fff;font-size:.78rem}.rule-card span{color:#a9cadc;line-height:1.3}.player-one-rule{box-shadow:inset 3px 0 0 var(--player-one)}.player-two-rule{box-shadow:inset 3px 0 0 var(--player-two)}.primary-action{width:100%;padding:14px 16px;border-radius:14px;background:linear-gradient(135deg,#0284c7,#2563eb);box-shadow:inset 0 -4px #0b3d91,0 10px 25px #0284c74a;font-size:.94rem;font-weight:950;letter-spacing:.04em;cursor:pointer}.primary-action:active{transform:translateY(3px);box-shadow:inset 0 -1px #0b3d91}.start-tip{margin:10px 0 0;color:#7faac1;font-size:.67rem}.touch-controls{display:grid;grid-template-columns:1fr 1fr;gap:10px}.control-group{min-height:88px;padding:6px;display:grid;grid-template-rows:auto 1fr;gap:5px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#0c2943,#081b2d);box-shadow:inset 0 1px #ffffff0a}.control-label{display:flex;align-items:center;gap:6px;padding:0 3px;color:#9fc5dc;font-size:.64rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.control-label span{display:inline-grid;width:22px;height:18px;place-items:center;border-radius:7px;background:#061827;color:#fff;font-size:.62rem}.control-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.control-buttons button{min-height:60px;border:1px solid #2e6383;border-radius:14px;background:linear-gradient(180deg,#184665,#10334f);box-shadow:inset 0 -5px #061827,0 4px 10px #0003;font-size:clamp(1.05rem,4vw,1.75rem);font-weight:1000;-webkit-user-select:none;user-select:none;cursor:pointer}.control-buttons button.is-pressed{transform:translateY(3px);background:#245c7e;box-shadow:inset 0 -2px #061827}.player-one{box-shadow:inset 0 3px 0 var(--player-one)}.player-two{box-shadow:inset 0 3px 0 var(--player-two)}.player-one .control-label span{color:var(--player-one)}.player-two .control-label span{color:var(--player-two)}@media(orientation:portrait){.touch-controls{gap:6px}.control-group{min-height:128px;padding:5px}.control-buttons{gap:4px}.control-buttons button{min-height:100px;border-radius:12px}.rule-grid{grid-template-columns:1fr}}@media(max-height:590px)and (orientation:landscape){#app{gap:5px}.topbar{min-height:28px}.brand span,.control-label{display:none}.top-actions button{padding:5px 9px}.control-group{min-height:63px;grid-template-rows:1fr;padding:4px}.control-buttons button{min-height:52px}.start-card{width:min(600px,94%);padding:13px 18px}.start-card h1{font-size:clamp(1.8rem,7vh,2.8rem)}.subtitle{margin:8px auto 10px}.rule-grid{margin-bottom:9px}.rule-card{min-height:48px;padding:7px 9px}.primary-action{padding:10px 14px}.start-tip{display:none}}