:root{--bg: #0a1a2f;--bg-2: #0f2747;--panel: #12305a;--panel-border: #1f4677;--text: #e8f1fb;--muted: #9fb6d1;--accent: #5cc8ff;--accent-strong: #2ea8ec;--water: #1a4774;--water-hover: #23598f;--grid-line: #0e2e52;--ship: #8ea3bb;--ship-edge: #b8c7d8;--hit: #ff5d4a;--sunk: #8e1f1f;--miss: #d7e6f5;--valid: #3ecf8e;--invalid: #ff5d4a;--danger: #e5484d;--enemy-panel: rgba(52, 30, 72, .78);--enemy-border: #4b3170;--enemy-water: #3a3266;--enemy-water-hover: #4a3f80;--cell: clamp(26px, 3.3vw, 38px);--radius: 14px;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;min-height:100%}html{background:var(--bg)}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);background:radial-gradient(1200px 600px at 10% -10%,#1b3f6e 0%,transparent 60%),radial-gradient(900px 500px at 110% 10%,#12355f 0%,transparent 55%),linear-gradient(180deg,var(--bg-2),var(--bg));background-attachment:fixed;-webkit-font-smoothing:antialiased}[hidden]{display:none!important}.app{max-width:1120px;margin:0 auto;padding:20px 20px 32px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.brand{display:flex;align-items:center;gap:12px}.brand h1{margin:0;font-size:1.6rem;letter-spacing:.08em;text-transform:uppercase}.tagline{margin:2px 0 0;color:var(--muted);font-size:.85rem}.btn{appearance:none;border:1px solid var(--panel-border);background:#183b69;color:var(--text);font:inherit;font-weight:600;font-size:.92rem;padding:9px 16px;border-radius:10px;cursor:pointer;transition:background .15s,border-color .15s,transform .05s}.btn:hover:not(:disabled){background:#1f4a80;border-color:#2d5e99}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent-strong);border-color:var(--accent-strong);color:#04213a}.btn-primary:hover:not(:disabled){background:var(--accent);border-color:var(--accent)}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#f2555a;border-color:#f2555a}.btn-block{width:100%;padding:12px 16px;font-size:1rem}.btn-link{appearance:none;background:none;border:none;color:var(--muted);font:inherit;cursor:pointer;text-decoration:underline;margin-top:12px}button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}kbd{display:inline-block;padding:1px 6px;border:1px solid var(--panel-border);border-bottom-width:2px;border-radius:5px;background:var(--bg-2);font-size:.8em;font-family:inherit}.status{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px;padding:12px 18px;margin-bottom:16px;border-radius:var(--radius);border:1px solid var(--panel-border);background:#12305abf;border-left:5px solid var(--accent);min-height:48px}.status-title{font-size:1.05rem}.status-detail{color:var(--muted)}.status-player{border-left-color:var(--valid)}.status-ai{border-left-color:#f5b041}.status-win{border-left-color:var(--valid);background:#1e6e5059}.status-lose{border-left-color:var(--danger);background:#781e2359}.layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}.panel{background:#12305ac7;border:1px solid var(--panel-border);border-radius:var(--radius);padding:16px 18px 18px;box-shadow:0 10px 30px #00000040}.panel h2{margin:0;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.badge{font-size:.78rem;color:var(--muted);background:var(--bg-2);border:1px solid var(--panel-border);padding:3px 10px;border-radius:999px}.board{display:grid;grid-template-columns:22px repeat(10,var(--cell));grid-template-rows:22px repeat(10,var(--cell));gap:2px;justify-content:center;-webkit-user-select:none;user-select:none}.label{display:grid;place-items:center;font-size:.72rem;font-weight:600;color:var(--muted)}.cell{position:relative;display:block;width:var(--cell);height:var(--cell);padding:0;border:none;border-radius:4px;background:var(--water);font:inherit;color:inherit;cursor:default;transition:background .12s}.cell:disabled{cursor:default}.board.placing .cell{cursor:pointer}.board.placing .cell:hover{background:var(--water-hover)}.board.armed .cell:not(.fired){cursor:crosshair}.board.armed .cell:not(.fired):hover{background:var(--enemy-water-hover);box-shadow:inset 0 0 0 2px var(--accent)}.board.armed .cell.fired{cursor:not-allowed}#enemy-panel{background:var(--enemy-panel);border-color:var(--enemy-border)}#enemy-panel .badge,#enemy-panel .fleet-item:not(.sunk){background:#2a1d45;border-color:var(--enemy-border)}#enemy-board .cell{background:var(--enemy-water)}#enemy-board .cell.hit{background:var(--hit)}#enemy-board .cell.sunk{background:var(--sunk)}#enemy-board .cell.revealed{background:#8ea3bb59}.cell.rejected{animation:reject .6s ease-out;box-shadow:inset 0 0 0 3px var(--danger)!important}@keyframes reject{0%,to{transform:translate(0)}20%,60%{transform:translate(-3px)}40%,80%{transform:translate(3px)}}.cell.ship{background:var(--ship);box-shadow:inset 0 0 0 1px var(--ship-edge)}.board.placing .cell.ship:hover{background:#a3b5ca}.cell.ship-h.ship-start{border-radius:12px 4px 4px 12px}.cell.ship-h.ship-end{border-radius:4px 12px 12px 4px}.cell.ship-v.ship-start{border-radius:12px 12px 4px 4px}.cell.ship-v.ship-end{border-radius:4px 4px 12px 12px}.cell.ship-start.ship-end{border-radius:12px}.cell.revealed{background:#8ea3bb59;box-shadow:inset 0 0 0 1px #b8c7d899}.cell.miss:after{content:"";position:absolute;inset:0;margin:auto;width:28%;height:28%;border-radius:50%;background:var(--miss);opacity:.85}.cell.hit,.cell.sunk{background:var(--hit);box-shadow:none}.cell.sunk{background:var(--sunk);box-shadow:inset 0 0 0 2px #d2453a}.cell.hit:after,.cell.sunk:after{content:"";position:absolute;inset:22%;background:linear-gradient(45deg,transparent 42%,#fff 42%,#fff 58%,transparent 58%),linear-gradient(-45deg,transparent 42%,#fff 42%,#fff 58%,transparent 58%)}.cell.sunk:after{opacity:.75}.cell.last{outline:2px solid #ffd166;outline-offset:1px;z-index:1;animation:splash .45s ease-out}@keyframes splash{0%{transform:scale(.6);filter:brightness(1.8)}60%{transform:scale(1.12)}to{transform:scale(1);filter:none}}.cell.preview-valid{background:#3ecf8e8c!important;box-shadow:inset 0 0 0 2px var(--valid)!important}.cell.preview-invalid{background:#c8443b!important;box-shadow:inset 0 0 0 2px #ff9a8c!important}.fleet-status{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.fleet-item{display:inline-flex;align-items:center;gap:8px;padding:5px 10px;border-radius:999px;background:var(--bg-2);border:1px solid var(--panel-border);font-size:.8rem}.fleet-item.pending{opacity:.45}.fleet-item.sunk{border-color:#6b2226;background:#8e1f1f4d}.fleet-item.sunk .fleet-name{text-decoration:line-through;color:var(--muted)}.tag{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#ff8a7a}.pips{display:inline-flex;gap:2px}.pip{width:8px;height:8px;border-radius:2px;background:var(--ship)}.pip.damaged{background:var(--hit)}.hint{margin:0 0 14px;color:var(--muted);font-size:.9rem;line-height:1.5}.ship-picker{display:grid;gap:8px;margin-bottom:14px}.ship-option{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:10px 14px;border-radius:10px;border:1px solid var(--panel-border);background:var(--bg-2);color:var(--text);font:inherit;font-weight:600;cursor:pointer;transition:border-color .15s,background .15s}.ship-option:hover{border-color:#2d5e99}.ship-option .pips .pip{width:14px;height:14px;border-radius:3px}.ship-option.selected{border-color:var(--accent);background:#5cc8ff24;box-shadow:0 0 0 1px var(--accent)}.ship-option.placed{color:var(--muted)}.ship-option.placed .ship-name:after{content:" ✓";color:var(--valid)}.ship-option.placed .pip{opacity:.5}.controls{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:8px}.controls .btn{white-space:nowrap;padding-inline:10px}.placement-message{min-height:1.4em;margin:10px 0;color:#ff8a7a;font-size:.88rem}.bottom{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:16px;margin-top:16px}.log{list-style:none;margin:10px 0 0;padding:0;font-size:.88rem;color:var(--muted);display:grid;gap:4px;min-height:2em}.log li{padding:3px 0 3px 12px;border-left:2px solid transparent}.log li:nth-child(n+4){opacity:.7}.log li:nth-child(n+7){opacity:.45}.log .latest{display:flex;align-items:center;gap:8px;padding:6px 10px;border-left-color:var(--accent);border-radius:0 8px 8px 0;background:#5cc8ff1a;color:var(--text);font-weight:600}.latest-tag{flex:none;padding:1px 8px;border-radius:999px;background:var(--accent);color:#04213a;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.log-head{margin-bottom:0}.legend{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;font-size:.88rem}.legend li{display:flex;align-items:center;gap:8px}.legend .cell{--cell: 22px;flex:none}.legend .legend-ship{border-radius:6px}.ship-icon{height:14px;flex:none;fill:currentColor;color:var(--ship-edge)}.fleet-item.sunk .ship-icon{color:#ff8a7a;opacity:.8;transform:rotate(8deg) translateY(2px)}.ship-option{justify-content:flex-start}.ship-option .ship-icon{height:16px}.ship-option .pips{margin-left:auto}.toast{position:fixed;top:22px;left:50%;z-index:10;transform:translate(-50%);padding:14px 26px;border-radius:12px;border:1px solid #ff8a7a;background:linear-gradient(180deg,#a3262b,#7a1a20);color:#fff;font-size:1.15rem;font-weight:700;letter-spacing:.02em;box-shadow:0 14px 40px #00000073;animation:toast-in .25s ease-out;pointer-events:none}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,-12px)}}.dialog{width:min(420px,calc(100vw - 32px));padding:28px 26px 22px;border:1px solid var(--panel-border);border-radius:18px;background:#102a4c;color:var(--text);text-align:center;box-shadow:0 30px 80px #00000080}.dialog::backdrop{background:#030a14a6;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.dialog[open]{animation:pop .18s ease-out}@keyframes pop{0%{transform:scale(.94);opacity:0}}.dialog h2{margin:0 0 6px;font-size:1.5rem}.dialog p{margin:0 0 18px;color:var(--muted)}.dialog-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.dialog-actions .btn{min-width:108px}.result-icon{width:56px;height:56px;margin:0 auto 12px;display:grid;place-items:center;border-radius:50%;font-size:1.6rem}.result-icon.win{background:#3ecf8e2e;color:var(--valid)}.result-icon.lose{background:#e5484d2e;color:var(--danger)}.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0 0 20px}.stats div{padding:10px;border-radius:10px;background:var(--bg-2);border:1px solid var(--panel-border)}.stats dt{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.stats dd{margin:4px 0 0;font-size:1.3rem;font-weight:700}@media(max-width:900px){:root{--cell: min(36px, calc((100vw - 110px)*.1) )}.layout,.bottom{grid-template-columns:minmax(0,1fr)}}@media(max-width:480px){.app{padding:14px 10px 24px}.panel{padding:14px 10px}.brand h1{font-size:1.25rem}.controls{grid-template-columns:minmax(0,1fr)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}