:root{--bg: #0b2233;--surface: #102e44;--surface-2: #17405c;--line: #2a5a7a;--text: #e8f4fb;--muted: #a3c2d6;--accent: #ffc857;--accent-text: #2b1d00;--danger: #ff8a7d;--ok: #8df5c8;color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{height:100%;margin:0;background:var(--bg);color:var(--text);overflow:hidden;overscroll-behavior:none}#app{display:grid;grid-template-columns:minmax(0,1fr) 340px;height:100dvh;position:relative;overflow:hidden}#stage{position:relative;min-height:0;overflow:hidden}#stage canvas{display:block;cursor:pointer}#panel{background:var(--surface);border-left:1px solid var(--line);padding:16px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;min-height:0}.play{display:flex;flex-direction:column;gap:14px}#panel h1{font-size:22px;margin:0}#panel h2{font-size:13px;margin:0;color:var(--muted);font-weight:600;letter-spacing:.04em;text-transform:uppercase}#panel p{margin:0;line-height:1.45}.muted{color:var(--muted);font-size:14px}.status{font-size:16px;font-weight:600}.error{color:var(--danger);font-size:14px;min-height:1.2em}.stack{display:flex;flex-direction:column;gap:8px}.row{display:flex;gap:8px;flex-wrap:wrap}.row>button{flex:1}button,input{font:inherit;color:inherit}button{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:9px 12px;cursor:pointer;min-height:40px}button:hover:not(:disabled){border-color:var(--muted)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}button.danger{background:var(--danger);color:#fff;border-color:var(--danger);font-weight:600}button.resign{margin-top:8px}.clock{font-size:16px;font-weight:600;font-variant-numeric:tabular-nums;margin:0}.clock:empty{display:none}.clock.urgent{color:var(--danger)}button.selected{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 12px;min-height:40px}label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--muted)}.ship-button{display:grid;grid-template-columns:1fr auto;text-align:left;gap:2px 8px}.ship-button small{color:var(--muted);grid-column:1 / -1}.hp{font-variant-numeric:tabular-nums}.arrows{display:grid;grid-template-columns:repeat(3,48px);grid-template-rows:repeat(2,44px);gap:6px;justify-content:center}.arrows button{padding:0}.arrows .up{grid-column:2;grid-row:1}.arrows .left{grid-column:1;grid-row:2}.arrows .down{grid-column:2;grid-row:2}.arrows .right{grid-column:3;grid-row:2}.arrows.fakes{grid-template-columns:repeat(3,76px)}.log{font-size:14px}.swatch{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:8px;border:2px solid #10202c;vertical-align:-1px}.chat{display:flex;flex-direction:column;gap:8px}.chat-messages{list-style:none;margin:0;padding:8px;display:flex;flex-direction:column;gap:6px;height:170px;overflow-y:auto;background:var(--bg);border:1px solid var(--line);border-radius:8px;font-size:14px}.chat-messages li{overflow-wrap:anywhere}.chat-messages b{color:var(--accent)}.chat-form{display:flex;gap:6px}.emoji-row{display:flex;flex-wrap:wrap;gap:4px}.emoji-row button{min-height:34px;min-width:34px;padding:2px;font-size:18px}.leaderboard table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}.leaderboard th,.leaderboard td{padding:4px 6px;text-align:right;border-bottom:1px solid var(--line)}.leaderboard th{color:var(--muted);font-weight:600}.leaderboard th:nth-child(2),.leaderboard td:nth-child(2){text-align:left;overflow-wrap:anywhere}.leaderboard tr.mine td{color:var(--accent);font-weight:600}.games{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.games button{width:100%;text-align:left}#overlay{position:absolute;inset:0;z-index:4;display:grid;place-items:center;padding:16px;background:#06141ff0}#overlay[hidden]{display:none}.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px;max-width:420px;width:100%;display:flex;flex-direction:column;gap:14px;text-align:center}.card h2{margin:0;font-size:26px}.card p{margin:0;color:var(--muted);line-height:1.45}#app.menu-closed{grid-template-columns:minmax(0,1fr) 0}#app.menu-closed #panel{display:none}.menu-toggle{position:absolute;top:10px;right:10px;z-index:3;min-height:36px;padding:6px 12px;background:#102e44d9;border-color:var(--line);font-weight:600}@media(max-width:800px){#app{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto}#app.menu-closed{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) 0}#panel{max-height:50dvh;border-left:0;border-top:1px solid var(--line);padding-bottom:max(16px,env(safe-area-inset-bottom))}}.hud{position:absolute;top:10px;left:10px;z-index:1;width:max-content;max-width:calc(100% - 130px);display:flex;flex-direction:column;gap:5px;padding:6px 10px;border-radius:12px;background:#0b2233b8;border:1px solid rgb(42 90 122 / .8);font-size:12px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.hud[hidden]{display:none}.hud p{margin:0}.hud-status{display:flex;justify-content:space-between;gap:12px;font-size:14px;font-weight:700}.hud-status.mine{color:var(--accent)}.hud-clock{font-variant-numeric:tabular-nums}.hud-clock.urgent{color:var(--danger)}.hud-ships{display:flex;align-items:center;gap:8px}.hud-fleet,.hud-enemy{display:flex;align-items:center;gap:4px}.hud-vs{color:var(--muted);font-size:11px}.hud-enemy .pip{width:9px;height:9px;border-radius:50%;background:var(--danger);display:inline-block}.hud-enemy .pip.sunk{background:transparent;border:1.5px solid var(--muted);opacity:.6}.hud-ship{width:22px;height:22px;min-height:0;padding:0;border-radius:50%;border:2px solid var(--ship);background-clip:padding-box;box-shadow:0 0 0 1px #10202c}.hud-ship:hover:not(:disabled){border-color:var(--ship)}.hud-ship.selected{outline:2px solid var(--accent);outline-offset:2px}.hud-ship:disabled{opacity:1;cursor:default}.hud-ship.sunk{opacity:.45;border-style:dashed}.hud-hint{color:var(--muted);font-size:11px;line-height:1.3;max-width:210px}.hud .primary{min-height:36px}.result-banner{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:1;pointer-events:none;text-align:center;padding:22px 36px;max-width:calc(100% - 32px);background:#102e44e0;border:2px solid var(--accent);border-radius:16px;box-shadow:0 12px 40px #00000073;animation:result-in .38s cubic-bezier(.2,.9,.3,1.2)}.result-banner[hidden]{display:none}.result-banner h2{margin:0 0 6px;font-size:clamp(32px,7vw,56px);color:var(--accent)}.result-banner p{margin:4px 0 0}.result-banner .countdown{color:var(--muted);font-size:14px}.result-banner button{pointer-events:auto;margin-top:12px;min-width:96px}@keyframes result-in{0%{opacity:0;transform:translate(-50%,-50%) scale(.8)}}@media(prefers-reduced-motion:reduce){.result-banner{animation:none}}.demo-banner{position:absolute;top:16px;left:50%;transform:translate(-50%);z-index:1;pointer-events:none;padding:6px 18px;border-radius:999px;background:#102e44d9;border:1px solid var(--accent);color:var(--accent);font-weight:700;letter-spacing:.2em;text-transform:uppercase;font-size:14px}.toasts{position:absolute;left:50%;bottom:max(12px,env(safe-area-inset-bottom));transform:translate(-50%);z-index:2;width:min(360px,calc(100% - 24px));display:flex;flex-direction:column;gap:6px;pointer-events:none}.toast{pointer-events:auto;text-align:left;font-size:14px;line-height:1.35;overflow-wrap:anywhere;background:#0b2233e6;border-color:var(--line);box-shadow:0 6px 20px #00000059;animation:toast-in .2s ease-out}.toast b{color:var(--accent)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}}@media(prefers-reduced-motion:reduce){.toast{animation:none}}