:root{--sea-900: #04283b;--sea-800: #0b3a53;--sea-700: #145877;--sea-500: #2a8eb8;--foam-200: #d8f0f8;--sand-200: #f0e7d6;--alert: #df5f37;--ok: #2f9e7f}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Space Grotesk,system-ui,-apple-system,sans-serif;color:var(--foam-200);background:radial-gradient(1100px 480px at 12% -8%,#2a8eb84a 0%,transparent 58%),radial-gradient(900px 500px at 90% 112%,#df5f3726 0%,transparent 62%),linear-gradient(145deg,var(--sea-900) 0%,#052131 44%,#0a2f43 100%);background-attachment:fixed}.shell{width:min(1160px,100% - 2rem);margin:0 auto;padding:1.3rem 0 2.2rem}.topbar{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}.home-link{color:#c8e8f6;text-decoration:none;border:1px solid #8ecbe430;background:#8ecbe412;border-radius:999px;padding:.45rem .9rem;font-size:.86rem;transition:transform .16s ease,background .16s ease}.home-link:hover{background:#8ecbe429;transform:translateY(-1px)}.title{margin:0;font-size:clamp(1.35rem,2.1vw + .8rem,2.35rem);line-height:1.1}.subtitle{margin:.35rem 0 0;color:#b2d8e8;font-size:.96rem}.panel{border:1px solid #9fd1e01e;background:linear-gradient(170deg,#0f425d9a,#083249bf);border-radius:18px;box-shadow:0 22px 54px #0015207a;padding:1rem}.controls{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:.7rem}.controls select,.controls button{appearance:none;border:1px solid #92c8dd55;background:#0b36529c;color:#e8f7ff;border-radius:10px;font:inherit;font-size:.92rem;padding:.5rem .8rem;cursor:pointer}.controls button:hover,.controls select:hover{background:#145877b8}.controls button.active{border-color:#eeb16b;background:#64320f}.label-with-icon{display:inline-flex;align-items:center;gap:.38rem}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.55rem;margin-bottom:.8rem}.stat-box{background:#06283dcc;border:1px solid #a9d5e517;border-radius:12px;padding:.6rem .7rem}.stat-name{font-family:IBM Plex Mono,ui-monospace,monospace;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;color:#87bbcf}.stat-value{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:1.08rem;margin-top:.15rem}.status-line{margin:.45rem 0 .8rem;min-height:1.4rem;font-size:.97rem;color:#d5ecf6}.board-wrap{position:relative;overflow:auto;border-radius:14px;border:1px solid #96cae223;background:#04273bd6;padding:.9rem}.board-scene{position:relative;--cell-size: 46px;width:max-content}.board-scene.shake{animation:board-shake .36s ease}.board{--cols: 9;display:grid;grid-template-columns:repeat(var(--cols),var(--cell-size));gap:5px;width:max-content}.fx-layer{position:absolute;inset:0;z-index:30;pointer-events:none;overflow:visible}.rocket-flight{position:absolute;width:calc(var(--cell-size) * .7);height:calc(var(--cell-size) * .7);left:0;top:0;opacity:0;background-size:contain;background-repeat:no-repeat;background-position:center;filter:drop-shadow(0 0 18px #ffbb73cc);transition:transform .65s cubic-bezier(.18,.72,.24,1),opacity .12s ease}.rocket-trail{position:absolute;left:0;top:0;height:5px;border-radius:999px;transform-origin:left center;background:linear-gradient(90deg,#ffd28b00,#ffd28bcc 15%,#ff7f5dbf 52%,#ff5d4f00),linear-gradient(90deg,#fff7d080,#fff7d000);box-shadow:0 0 14px #ff9f6f9a;opacity:0;animation:rocket-trail-show .8s ease forwards}.impact-burst{position:absolute;width:calc(var(--cell-size) * .72);height:calc(var(--cell-size) * .72);margin-left:calc(var(--cell-size) * -.36);margin-top:calc(var(--cell-size) * -.36);background:url(/assets/sea-minesweeper/explosion.svg) center / contain no-repeat;animation:impact-pop .62s ease-out forwards}.impact-wave{position:absolute;width:calc(var(--cell-size) * .9);height:calc(var(--cell-size) * .9);margin-left:calc(var(--cell-size) * -.45);margin-top:calc(var(--cell-size) * -.45);border:2px solid #7ed4f2cc;border-radius:999px;box-shadow:0 0 20px #8ce0fc66;animation:impact-wave-expand .68s ease-out forwards}.flyover-zone{position:absolute;border:2px dashed #d8eefad9;border-radius:16px;background:linear-gradient(180deg,#dbf7ff54,#8ecfe838);box-shadow:0 0 0 1px #7dd7f88a inset,0 0 42px #8bd4f07d;animation:flyover-zone-pulse 1.35s ease-out forwards}.flyover-plane{position:absolute;width:calc(var(--cell-size) * 1.45);height:calc(var(--cell-size) * 1.45);left:-28px;top:50%;margin-top:calc(var(--cell-size) * -.73);background:url(/assets/sea-minesweeper/avia-drone.svg) center / contain no-repeat;filter:drop-shadow(0 0 16px #daf1ffbf);animation:flyover-plane-pass 1.32s cubic-bezier(.2,.72,.24,1) forwards}.mission-success{position:fixed;left:50%;top:18%;transform:translate(-50%,-30%) scale(.9);min-width:min(92vw,700px);text-align:center;padding:1.1rem 1.3rem;border-radius:20px;border:1px solid #f7f1b2aa;color:#fff9cf;background:radial-gradient(circle at 30% 20%,#fff2b63b 0%,transparent 55%),radial-gradient(circle at 78% 82%,#ffb26f36 0%,transparent 55%),linear-gradient(145deg,#3b7f73f0,#a95c2ef0);box-shadow:0 24px 70px #081822bf;opacity:0;pointer-events:none;z-index:90}.mission-success.visible{animation:mission-success-show 2.6s ease forwards}.mission-success .big{display:block;font-size:clamp(1.7rem,3vw + .7rem,3.2rem);line-height:1.05;font-weight:700;letter-spacing:.03em}.mission-success .small{display:block;margin-top:.32rem;font-size:clamp(.86rem,1vw + .5rem,1.08rem);letter-spacing:.08em;text-transform:uppercase;opacity:.94}.cell{width:var(--cell-size);height:var(--cell-size);border-radius:8px;border:1px solid #7ec2dd47;background:linear-gradient(180deg,#3ba0c430,#215f7d4d 52%,#1a4d694f),repeating-linear-gradient(-35deg,#a6d6e31f 0,#a6d6e31f 3px,transparent 3px,transparent 6px);color:#f3fbff;font-family:IBM Plex Mono,ui-monospace,monospace;font-size:1.08rem;font-weight:600;line-height:1;padding:0;cursor:pointer;transition:transform 90ms ease,background .17s ease,border-color .17s ease}.token{width:calc(var(--cell-size) * .56);height:calc(var(--cell-size) * .56);display:inline-block;background-size:contain;background-repeat:no-repeat;background-position:center}.token-small{width:1rem;height:1rem;display:inline-block;background-size:contain;background-repeat:no-repeat;background-position:center;vertical-align:middle}.icon-mine{background-image:url(/assets/sea-minesweeper/mine.svg)}.icon-neutralized-mine{background-image:url(/assets/sea-minesweeper/neutralized-mine.svg)}.icon-explosion{background-image:url(/assets/sea-minesweeper/explosion.svg)}.icon-sea-drone{background-image:url(/assets/sea-minesweeper/sea-drone.svg)}.icon-avia-drone{background-image:url(/assets/sea-minesweeper/avia-drone.svg)}.icon-rocket{background-image:url(/assets/sea-minesweeper/rocket.svg)}.icon-flag{background-image:url(/assets/sea-minesweeper/flag.svg)}.icon-jam{background-image:url(/assets/sea-minesweeper/jam.svg)}.cell:hover{transform:translateY(-1px);border-color:#a7dbed8a}.cell.revealed{background:linear-gradient(180deg,#daf0f62d,#b8deea21);border-color:#9fcfe069;cursor:default}.cell.flagged{background:linear-gradient(180deg,#5f42271f,#8a572b4f);border-color:#e3b28570}.cell.locked{background:linear-gradient(180deg,#3f445f4f,#2b2f4257);border-color:#99abd16e}.cell.hit-mine{background:linear-gradient(180deg,#762c2c,#531515);border-color:#f3a08d}.cell.neutralized{background:linear-gradient(180deg,#0d513f,#123d31);border-color:#7fc8a5}.n1{color:#67d5ff}.n2{color:#9ee386}.n3{color:#ffc06b}.n4{color:#ef9bff}.n5{color:#ff9e83}.n6{color:#8be8d9}.n7{color:#f6f6f6}.n8{color:#ced4f1}.log-title{margin:.85rem 0 .35rem;font-family:IBM Plex Mono,ui-monospace,monospace;font-size:.76rem;letter-spacing:.08em;color:#91c0d2;text-transform:uppercase}.event-log{margin:0;padding:0;list-style:none;border:1px solid #8ecbe426;background:#042334ce;border-radius:10px}.event-log li{padding:.5rem .7rem;border-bottom:1px solid #83bed31a;color:#d0eaf5;font-size:.88rem}.event-log li:last-child{border-bottom:0}.rules{margin-top:.9rem;border-radius:12px;border:1px solid #93c9de22;background:#062638cf;padding:.8rem;color:#c2e1ee;font-size:.9rem}.rules p{margin:.35rem 0}.status-good{color:#98e3c5}.status-bad{color:#ff9d85}@keyframes impact-pop{0%{transform:scale(.35);opacity:0}30%{transform:scale(1.08);opacity:1}to{transform:scale(.78);opacity:0}}@keyframes impact-wave-expand{0%{transform:scale(.35);opacity:.9}to{transform:scale(4.2);opacity:0}}@keyframes board-shake{0%{transform:translate(0)}20%{transform:translate(-10px,3px)}40%{transform:translate(8px,-4px)}60%{transform:translate(-7px,3px)}80%{transform:translate(5px,-1px)}to{transform:translate(0)}}@keyframes rocket-trail-show{0%{opacity:0}18%{opacity:1}to{opacity:0}}@keyframes flyover-zone-pulse{0%{opacity:0;transform:scale(.96)}20%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.03)}}@keyframes flyover-plane-pass{0%{opacity:0;transform:translate(0) translateY(0) scale(.88) rotate(-10deg)}12%{opacity:1}to{opacity:0;transform:translate(var(--flyover-distance, 200px)) translateY(-6px) scale(1.03) rotate(7deg)}}@keyframes mission-success-show{0%{opacity:0;transform:translate(-50%,-30%) scale(.9)}15%{opacity:1;transform:translate(-50%) scale(1.02)}70%{opacity:1;transform:translate(-50%) scale(1)}to{opacity:0;transform:translate(-50%,-20%) scale(.96)}}@media(max-width:860px){.board-scene{--cell-size: 38px}.board{gap:4px}}@media(max-width:500px){.shell{width:min(100% - 1rem,1160px);padding-top:.8rem}.board-scene{--cell-size: 32px}.board{gap:3px}.controls select,.controls button{padding:.46rem .62rem;font-size:.86rem}}