:root { --ink:#d9f0ee; --muted:#7fa7ad; --navy:#061a2a; --deep:#03111d; --panel:#082536; --line:rgba(143,207,205,.2); --cyan:#55e5d1; --coral:#ff725c; --gold:#ffc65a; }
* { box-sizing:border-box; }
body { margin:0; min-height:100vh; color:var(--ink); font-family:Outfit,system-ui,sans-serif; background:radial-gradient(ellipse at 85% 0%,#124558 0%,transparent 37%),radial-gradient(ellipse at 12% 100%,#0c3d52 0%,transparent 40%),var(--deep); }
body:before { content:""; position:fixed; inset:0; pointer-events:none; opacity:.19; background-image:linear-gradient(rgba(150,226,218,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(150,226,218,.08) 1px,transparent 1px); background-size:38px 38px; mask-image:linear-gradient(to bottom,black,transparent); }
button { font:inherit; cursor:pointer; }
.game-shell { max-width:1580px; margin:auto; padding:24px 42px 42px; position:relative; }
.masthead { height:48px; display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid var(--line); }
.brand { display:flex; align-items:center; gap:10px; text-decoration:none; color:#e7fbf8; font-size:16px; letter-spacing:-.4px; }.brand b{font-weight:700;color:var(--cyan)}.brand-mark{width:25px;height:25px;display:grid;place-items:center;border:2px solid var(--cyan);font-family:"DM Mono";font-size:13px;font-weight:500;color:var(--cyan);transform:skew(-7deg)}
.game-meta,.eyebrow,.status-label,.panel-heading,.board-title small,.intel-title,.score-row span,.result-stats span { font-family:"DM Mono",monospace; letter-spacing:.09em; text-transform:uppercase; font-size:10px; color:var(--muted); }.game-meta{display:flex;align-items:center;gap:8px}.signal{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.hero { padding:52px 0 34px; display:flex; align-items:end; justify-content:space-between; gap:30px; }.eyebrow{margin:0 0 10px;color:var(--cyan)}h1{font-size:clamp(52px,7vw,104px);line-height:.78;letter-spacing:-.075em;margin:0;color:#eafbf9;font-weight:800}h1 em{font-style:normal;color:var(--cyan);text-shadow:0 0 40px rgba(85,229,209,.15)}.subtitle{font-size:17px;color:#9ebfc2;margin:27px 0 0;letter-spacing:.01em}.status-card{width:315px;border:1px solid var(--line);background:rgba(7,34,48,.7);padding:18px 20px;position:relative;overflow:hidden}.status-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cyan)}.status-card strong{display:block;font-size:20px;margin:5px 0 2px}.status-card span:last-child{color:var(--muted);font-size:13px}
.game-layout{display:grid;grid-template-columns:215px minmax(520px,1fr) 225px;gap:28px;align-items:stretch}.fleet-panel,.combat-panel{border:1px solid var(--line);background:linear-gradient(145deg,rgba(9,42,57,.9),rgba(5,24,38,.9));padding:17px;min-height:545px}.panel-heading{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px;color:#b7dbda}.panel-heading>span:last-child{color:var(--cyan)}
.ship-list{padding:13px 0 8px}.ship-item{border:1px solid transparent;background:transparent;color:var(--ink);padding:10px 9px;margin-bottom:3px;transition:.15s;display:flex;justify-content:space-between;align-items:center;gap:8px}.ship-item:not(:disabled):hover{background:rgba(85,229,209,.06)}.ship-item.selected{background:rgba(85,229,209,.11);border-color:rgba(85,229,209,.55)}.ship-item.placed{opacity:.45}.ship-info{min-width:0}.ship-name{font-size:14px;font-weight:600;display:block}.ship-size{font-family:"DM Mono";font-size:10px;color:var(--muted);display:block;margin-top:1px}.ship-pips{display:flex;gap:3px}.ship-pips i{display:block;width:9px;height:9px;background:#47828a;clip-path:polygon(50% 0,100% 100%,0 100%)}.ship-item.selected .ship-pips i{background:var(--cyan)}.ship-item.placed .ship-pips i{background:#477276}
.panel-actions{display:grid;gap:7px;margin-top:5px}.secondary,.text-button{border:1px solid rgba(153,217,213,.27);background:transparent;color:#c7e4e0;font-size:12px;padding:9px;text-align:left;display:flex;align-items:center;justify-content:space-between}.secondary:hover{border-color:var(--cyan);color:var(--cyan)}.secondary kbd{font-family:"DM Mono";font-size:9px;color:var(--muted);border:1px solid var(--line);padding:2px 4px}.rotate-icon{font-size:18px;line-height:10px}.text-button{border:0;color:var(--muted);padding-left:0}.text-button:hover{color:var(--coral)}.intel{margin-top:19px;border-top:1px solid var(--line);padding-top:16px}.intel-title{color:var(--cyan)}.intel p{font-size:12px;line-height:1.45;color:var(--muted);margin:7px 0 11px}.legend{font-family:"DM Mono";font-size:9px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px}.dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:4px}.ship-dot{background:#47828a}.hit-dot{background:var(--coral)}.miss-dot{background:#a9d7d4}
.boards{display:grid;grid-template-columns:minmax(0,1fr) 25px minmax(0,1fr);gap:16px;align-items:center}.board-title{display:flex;justify-content:space-between;align-items:center;margin:0 0 10px;color:#bce8e5;font-family:"DM Mono";font-size:11px;letter-spacing:.07em}.board-title small{letter-spacing:0;color:var(--muted);text-transform:none}.flag{display:inline-block;width:8px;height:10px;margin-right:7px;clip-path:polygon(0 0,100% 25%,0 55%)}.friendly{background:var(--cyan)}.enemy{background:var(--coral)}.grid-wrap{padding:21px 0 0 21px;position:relative}.board-grid{display:grid;grid-template-columns:repeat(10,1fr);aspect-ratio:1;border-top:1px solid rgba(135,225,219,.5);border-left:1px solid rgba(135,225,219,.5);box-shadow:0 0 28px rgba(19,132,149,.08)}.cell{padding:0;border:0;border-right:1px solid rgba(135,225,219,.26);border-bottom:1px solid rgba(135,225,219,.26);background:rgba(20,93,112,.33);position:relative;min-width:0;transition:background .13s}.cell:hover:not(:disabled){background:rgba(95,221,210,.24)}.cell.preview-valid{background:rgba(85,229,209,.4)!important}.cell.preview-bad{background:rgba(255,114,92,.35)!important}.cell.ship{background:#376e78}.cell.ship:before{content:"";position:absolute;inset:19%;background:#65a6a9;clip-path:polygon(8% 67%,26% 26%,72% 26%,94% 67%,76% 74%,24% 74%);opacity:.8}.cell.hit{background:rgba(255,91,67,.32)}.cell.hit:after{content:"";position:absolute;width:52%;aspect-ratio:1;border-radius:50%;background:var(--coral);top:24%;left:24%;box-shadow:0 0 13px rgba(255,114,92,.8)}.cell.miss:after{content:"";position:absolute;width:22%;aspect-ratio:1;border-radius:50%;background:#b2e0dd;top:39%;left:39%;box-shadow:0 0 8px rgba(178,224,221,.7)}.cell.sunk{background:rgba(255,114,92,.48)}.cell:disabled{cursor:default}.coordinate{position:absolute;display:grid;color:#78aeb2;font:9px "DM Mono";text-align:center}.top-coords{left:21px;right:0;top:4px;grid-template-columns:repeat(10,1fr)}.side-coords{top:21px;bottom:0;left:4px;grid-template-rows:repeat(10,1fr);align-items:center}.versus{height:100%;display:grid;place-items:center}.versus span{font:500 10px "DM Mono";color:#568387;border:1px solid var(--line);border-radius:50%;width:25px;height:25px;display:grid;place-items:center}
.battle-log{margin:0;padding:11px 0 0;list-style:none;height:415px;overflow:auto;display:flex;flex-direction:column;gap:9px}.battle-log li{display:grid;grid-template-columns:35px 1fr;gap:8px;font-size:12px;line-height:1.25;color:#b7d5d4}.battle-log time{font:9px "DM Mono";color:#5c8990;padding-top:2px}.battle-log li.hit-log span{color:#ff9b8e}.battle-log li.enemy-log span{color:#b6d2df}.battle-log li.system span{color:var(--cyan)}.launch-button{background:var(--cyan);border:0;color:#062030;width:100%;padding:13px 14px;font-size:12px;font-weight:800;letter-spacing:.08em;display:flex;justify-content:space-between;transition:.15s}.launch-button:hover:not(:disabled){background:#93f4e7;transform:translateY(-1px)}.launch-button:disabled{background:#31515a;color:#789298;cursor:not-allowed}.launch-button b{font-size:18px;line-height:11px}.score-row{display:grid;grid-template-columns:1fr 1fr;margin-top:15px;border-top:1px solid var(--line);padding-top:13px;gap:10px}.score-row strong{font:500 25px "DM Mono";display:block;color:#d7f1ee;margin-top:2px}.score-row div:last-child{border-left:1px solid var(--line);padding-left:12px}.turn-pill{font-size:9px;padding:3px 5px;border:1px solid var(--line);color:var(--muted)!important}.turn-pill.player{color:var(--cyan)!important;border-color:rgba(85,229,209,.5)}.turn-pill.enemy{color:#ffa496!important;border-color:rgba(255,114,92,.5)}
.modal{position:fixed;inset:0;z-index:3;display:grid;place-items:center;background:rgba(0,10,20,.76);backdrop-filter:blur(7px);padding:20px}.modal.hidden{display:none}.modal-card{width:min(420px,100%);border:1px solid rgba(85,229,209,.5);background:linear-gradient(145deg,#0a3345,#061c2c);padding:37px;text-align:center;box-shadow:0 20px 80px rgba(0,0,0,.5)}.modal-card h2{font-size:48px;letter-spacing:-.05em;margin:3px 0 9px}.modal-card p:not(.eyebrow){color:#a8c7c9;margin:0 auto;max-width:290px}.result-stats{margin:26px 0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}.result-stats div+div{border-left:1px solid var(--line)}.result-stats strong{display:block;font:500 24px "DM Mono";margin-top:5px}
@media (max-width:1100px){.game-layout{grid-template-columns:185px 1fr}.combat-panel{grid-column:1/-1;min-height:auto}.battle-log{height:120px}.boards{grid-column:2}.fleet-panel{grid-row:1}.combat-panel{grid-row:2}.hero{padding-top:38px}}
@media (max-width:720px){.game-shell{padding:16px 15px 30px}.masthead{height:38px}.game-meta{display:none}.hero{padding:34px 0 25px;align-items:start;flex-direction:column}.status-card{width:100%}.subtitle{margin-top:20px;font-size:15px}.game-layout{display:flex;flex-direction:column;gap:18px}.fleet-panel{min-height:0}.ship-list{display:grid;grid-template-columns:1fr 1fr;gap:2px}.ship-item{margin:0}.intel{display:none}.boards{order:2;grid-template-columns:1fr;gap:24px}.versus{height:8px}.board-title{font-size:10px}.combat-panel{order:3}.battle-log{height:120px}.grid-wrap{padding-top:19px;padding-left:19px}.top-coords{left:19px}.side-coords{top:19px}.cell.ship:before{inset:15%}.hero h1{font-size:61px}.panel-actions{grid-template-columns:1fr 1fr}.text-button{grid-column:1/-1;justify-content:center}.enemy-card{margin-top:0}}