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-webkit-focus-ring-color}@media(max-width:900px){h1{font-size:clamp(3.2rem,12vw,5rem)}h2{font-size:clamp(2rem,8vw,2.8rem)}h3{font-size:clamp(1.5rem,6vw,2.2rem)}p,li{font-size:clamp(1.05rem,4vw,1.25rem)}}@media(min-width:1920px){#root{--layout-gutter: clamp(2.3rem, 3.3vw, 5rem)}}@media(max-height:980px)and (min-width:900px){#root{padding-top:clamp(.35rem,.75vw,.8rem);padding-bottom:clamp(.6rem,1vw,1.1rem);gap:clamp(.45rem,.9vh,.8rem)}}@media(min-width:900px){html.game-active,body.game-active{height:100dvh;max-height:100dvh;overflow:hidden}body.game-active #root{height:100dvh;min-height:100dvh;max-height:100dvh;overflow:hidden;padding-top:clamp(.2rem,.45vw,.45rem);padding-bottom:clamp(.2rem,.45vw,.45rem)}}@media(max-width:899px){html.game-active,body.game-active,body.game-active #root{height:auto;min-height:100vh;max-height:none;overflow:auto}}:root{--navy-dark: #0a1628;--navy-blue: #788799;--ocean-blue: #2c3e50;--steel-blue: #34495e;--radar-green: #00ff41;--warning-orange: #ff6b35;--danger-red: #e63946;--gold: #ffb703;--white: #f8f9fa;--light-gray: #adb5bd;--mid-gray: #6c757d;--dark-gray: #343a40;--water: #2e86ab;--water-hover: #3a9fbf;--ship-gray: #495057;--hit: #e63946;--miss: #dee2e6;--sunk: #6c757d;--carrier: #ff69b4;--battleship: #e63946;--cruiser: #ffb703;--submarine: #356f44;--destroyer: #005275ff;--font-primary: "Bebas Neue", sans-serif;--cell-size: 46px;--border-radius: 4px;--background-primary: #0a1628;--background-secondary: #34495e;--text-primary: rgba(255, 255, 255, .87);--text-secondary: rgba(255, 255, 255, .6);color-scheme:dark;color:var(--text-primary);background-color:var(--background-primary)}:root.light-mode{--navy-dark: #d4e3f0;--navy-blue: #4a5c6e;--ocean-blue: #6fade4;--steel-blue: #7a9eb8;--background-primary: #a7dff7;--background-secondary: rgb(198, 235, 255);--text-primary: #1a2332;--text-secondary: #4a5c6e;color-scheme:light;color:var(--text-primary);background-color:var(--background-primary)}:root.dark-mode{--navy-dark: #0a1628;--navy-blue: #788799;--ocean-blue: #2c3e50;--steel-blue: #34495e;--background-primary: #0a1628;--background-secondary: #34495e;--text-primary: rgba(255, 255, 255, .87);--text-secondary: rgba(255, 255, 255, .6);color-scheme:dark;color:var(--text-primary);background-color:var(--background-primary)}body{background-color:var(--background-primary);color:var(--text-primary)}#root{display:flex;flex-direction:column;justify-content:space-between;gap:clamp(1rem,2vh,1.75rem)}.app-shell{display:flex;flex-direction:column;gap:clamp(.8rem,1.6vh,1.4rem);min-height:100%}.app-shell.game-active{height:100dvh;min-height:100dvh;max-height:100dvh;overflow:hidden;gap:0}.app-shell.game-active .game-screen{flex:1 1 auto;min-height:0;max-height:100%;overflow:hidden}@media(max-width:899px){.app-shell.game-active{height:auto;min-height:100%;max-height:none;overflow:visible;gap:clamp(.8rem,1.6vh,1.4rem)}.app-shell.game-active .game-screen{flex:0 0 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rgba(255,255,255,.15)}.how-to-play .mouse-button.left{left:.38rem}.how-to-play .mouse-click .mouse-button.left{background:#ffb70357;border-color:#ffb703b3;box-shadow:0 0 0 3px #ffb7031f}.how-to-play .mouse-button.right{right:.38rem}.how-to-play .mouse-wheel{position:absolute;top:.9rem;left:50%;transform:translate(-50%);width:.34rem;height:1rem;border-radius:999px;background:var(--steel-blue);opacity:.95}.how-to-play .mouse-button.active{background:#ffb70352;border-color:#ffb7038c;box-shadow:0 0 0 3px #ffb7031f}.how-to-play .mouse-drag-arrow,.how-to-play .mouse-double-badge{position:absolute;right:-.55rem;bottom:.35rem;display:inline-flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;border-radius:999px;background:var(--ocean-blue);color:var(--gold);font-size:1rem;font-weight:700;box-shadow:0 0 0 3px #0a1628bf}.how-to-play h2{text-align:center;margin:0;color:var(--gold)!important}.how-to-play h3{text-decoration:underline;margin:0;font-size:2rem}.how-to-play p{margin:0}.how-to-play ol{margin:0;padding-left:1.5rem}.how-to-play ol li{list-style:decimal!important;margin-left:0;padding-left:1rem}.settings.overlay:not(.is-closing){animation:none}.settings .overlay-content:not(.is-closing){animation:none}.settings .settings-screen{display:flex;flex-direction:column;gap:var(--overlay-gap);width:min(100%,760px);margin:0 auto;padding-top:.2rem}.settings h2{text-align:center;margin:0;color:var(--danger-red)!important}.settings .settings-group{margin:0;display:flex;flex-direction:column;gap:clamp(.55rem,1.1vh,.9rem)}.settings .settings-group h3{color:var(--danger-red);margin:0;font-size:1.2rem;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:.5rem}.settings .setting-item{display:flex;justify-content:space-between;align-items:center;margin:0;padding:.5rem 0}.settings .setting-item label{display:flex;align-items:center;gap:.5rem;cursor:pointer}.settings .setting-item select{padding:.5rem 2.75rem .5rem 1rem;border-radius:6px;border:1px solid rgba(255,255,255,.2);background-color:var(--ocean-blue);background-image:linear-gradient(45deg,transparent 50%,var(--text-primary) 50%),linear-gradient(135deg,var(--text-primary) 50%,transparent 50%);background-position:right 1.1rem center,right .75rem center;background-size:.4rem .4rem,.4rem .4rem;background-repeat:no-repeat;color:var(--text-primary);font-family:inherit;cursor:pointer;min-width:150px;appearance:none;-webkit-appearance:none;-moz-appearance:none}.settings .setting-item select:focus{outline:2px solid var(--danger-red)}.settings .setting-item select option{background-color:var(--steel-blue);color:var(--text-primary)}.settings .setting-item input[type=checkbox]{width:1.2rem;height:1.2rem;cursor:pointer;accent-color:var(--danger-red)}@media(max-width:768px){.overlay-content{width:min(94vw,700px);max-height:88vh}.how-to-play .controls-guide{grid-template-columns:1fr}.settings .setting-item{gap:.7rem;flex-wrap:wrap}}footer{text-align:center;padding:.75rem .5rem;opacity:.75}footer p{margin:0;font-size:clamp(.72rem,.55rem + .35vw,.9rem);line-height:1.2;letter-spacing:.03em}footer a{color:inherit;text-decoration:underline;text-underline-offset:.12em}.board-screen{display:flex;flex-direction:column;align-items:center;gap:1.2rem;padding:1.15rem;width:min(100%,1100px);margin:0 auto;box-sizing:border-box}.app-shell.game-active .board-screen{gap:.6rem;padding:.45rem .5rem}.app-shell.game-active .game-screen.is-setup .board-screen{flex:1 1 auto;min-height:0;justify-content:flex-start;gap:.35rem;padding:.3rem .45rem}.app-shell.game-active .board-placement-area{gap:.22rem}.app-shell.game-active .board-direction{gap:.28rem;padding:.58rem .56rem;min-width:4rem}.app-shell.game-active .board-direction-label{font-size:.6rem}.app-shell.game-active .board-direction-arrow{width:1.55rem;height:1.55rem;font-size:.9rem}.app-shell.game-active .board-direction-text{font-size:.7rem}.app-shell.game-active .game-board{--board-cell-size: clamp(24px, min(3.8vw, 4.35vh), 52px)}.app-shell.game-active .game-board[style*="--grid-size: 8"]{--board-cell-size: clamp(28px, min(4.2vw, 5vh), 62px)}.app-shell.game-active .game-board[style*="--grid-size: 10"]{--board-cell-size: clamp(24px, min(3.8vw, 4.35vh), 52px)}.app-shell.game-active .game-board[style*="--grid-size: 12"]{--board-cell-size: clamp(21px, min(3.25vw, 3.75vh), 45px)}.app-shell.game-active #start-game-button{margin-top:.4rem;padding:.72rem 1.35rem;min-width:180px;font-size:1rem}.board-placement-area{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:.3rem;width:min(100%,980px);max-width:980px;margin:0 auto}.board-direction-left{justify-self:end}.board-direction-right{justify-self:start}.board-direction{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:.45rem;padding:1rem .85rem;min-width:5.1rem;border-radius:16px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:var(--text-primary);box-shadow:0 6px 16px #0000001f}.board-direction-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-secondary)}.board-direction-arrow{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:50%;background:var(--ocean-blue);color:var(--gold);font-size:1.1rem;font-weight:700;box-shadow:inset 0 0 0 1px #ffffff14}.board-direction-text{font-size:.88rem;font-weight:700;letter-spacing:.03em}#start-game-button{background-color:var(--ocean-blue);color:var(--text-primary);border:2px solid transparent;font-size:1.4rem;font-weight:700;padding:1.05rem 2.2rem;min-width:230px;border-radius:var(--border-radius);cursor:pointer;transition:border-color .4s ease,background-color .3s 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var(--ocean-blue);width:var(--board-cell-size);height:var(--board-cell-size)}.board-label.corner{background-color:var(--background-secondary);border:none;color:var(--danger-red);font-size:1rem}.board-cell{width:var(--board-cell-size);height:var(--board-cell-size);border:1px solid var(--ocean-blue);background-color:var(--water);cursor:pointer;transition:background-color .2s;position:relative}.board-cell:hover{background-color:var(--water-hover)}.board-cell.occupied{cursor:pointer;position:relative}.board-cell.occupied:before{content:"";position:absolute;top:2px;right:2px;width:8px;height:8px;background-color:var(--warning-orange);border-radius:50%;opacity:0;transition:opacity .2s}.board-cell.occupied:hover:before{opacity:.8}.board-cell.occupied:hover{box-shadow:inset 0 0 8px #ff6b354d}.board-cell.hover-preview{background-color:#00ff414d;border:2px solid var(--radar-green)}.board-cell.preview-placement{border:2px solid 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var(--ship-gray))}.board-cell.hit{background-color:var(--hit)}.board-cell.miss{background-color:var(--miss)}.board-cell.miss:after{content:"•";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--mid-gray);font-size:1.5rem}.board-cell.hit:after{content:"✕";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--white);font-size:1.5rem;font-weight:700}.board-cell.sunk{background-color:var(--sunk)}.board-marker-legend{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;flex-wrap:wrap;margin-top:.35rem}.board-marker-legend-item{display:inline-flex;align-items:center;gap:.35rem;padding:.2rem .4rem;border-radius:999px;background:#ffffff0f;border:1px solid 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rotate(0)}10%{opacity:1}to{opacity:0;transform:translate3d(0,105vh,0) rotate(540deg)}}.battle-boards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,480px),1fr));width:min(100%,1820px);margin:0 auto;align-items:start;gap:clamp(1.15rem,2.3vw,2.4rem)}.battle-boards.is-compact{grid-template-columns:repeat(2,minmax(0,1fr));width:min(100%,1700px);gap:clamp(.6rem,1.2vw,1.15rem)}.battle-boards.has-summary,.battle-boards.has-middle-column{--middle-column-width: 160px;grid-template-columns:minmax(0,1fr) minmax(0,var(--middle-column-width)) minmax(0,1fr);align-items:center}.battle-middle-column{display:flex;flex-direction:column;align-items:center;gap:.5rem;width:var(--middle-column-width);max-width:var(--middle-column-width);justify-self:center;flex:0 1 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var(--steel-blue)}.leaderboard-table th{padding:.75rem;text-align:left;font-weight:600;color:var(--text-primary);white-space:nowrap}.leaderboard-table tbody tr{border-bottom:1px solid rgba(0,0,0,.1);transition:background-color .2s ease}.leaderboard-table tbody tr:hover{background-color:#0000000d}.leaderboard-table td{padding:.65rem .75rem;color:var(--text-primary)}.col-rank{width:50px;font-weight:700;color:var(--gold);text-align:left}.col-rank.rank-gold{color:gold;font-size:1.05rem}.col-rank.rank-silver{color:silver}.col-rank.rank-bronze{color:#cd7f32}.col-player{min-width:120px;font-weight:500;text-align:left}.col-result{width:80px;font-weight:600;text-align:left}.col-result.victory{color:var(--radar-green)}.col-result.defeat{color:var(--danger-red)}.col-difficulty{width:90px;text-align:left}.col-grid{width:70px;text-align:left;color:var(--text-secondary)}.col-score{width:70px;text-align:left;font-weight:600;color:var(--gold)}.col-stats{width:70px;text-align:left;color:var(--text-secondary)}.col-date{min-width:160px;color:var(--text-secondary);font-size:1rem;text-align:left}.col-action{width:50px;text-align:center}.delete-button{background:none;border:none;color:var(--danger-red);cursor:pointer;font-size:1.2rem;padding:.25rem .5rem;border-radius:4px;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center}.delete-button:hover{background-color:#dc354533;color:#ff6b7b}@media(max-width:768px){.game-screen{width:100%;padding:.8rem .25rem 1rem}.back-to-menu-button{position:static;margin:0 0 .8rem;width:100%;justify-content:center}.battle-boards,.battle-boards.has-middle-column,.battle-boards.is-compact{grid-template-columns:1fr}.battle-middle-column{width:min(100%,560px);margin:0 auto}.battle-boards.has-summary{grid-template-columns:1fr}.battle-board-content{display:block}.leaderboard{width:100%}.leaderboard-table{font-size:1rem;min-width:700px}.leaderboard-controls{gap:.5rem}.leaderboard-control{width:100%;justify-content:space-between}.leaderboard-control select{min-width:170px}.leaderboard-table th,.leaderboard-table td{padding:.5rem}.col-date{min-width:120px}.col-player{min-width:100px}}@media(max-width:1180px){.ships-remaining-panel{display:none}}@media(max-height:980px)and (min-width:900px){.game-screen{padding:clamp(.45rem,.9vw,.9rem) clamp(.55rem,1.2vw,1.3rem) clamp(.6rem,1.2vw,1.05rem)}.game-screen.is-setup{padding-top:clamp(.25rem,.55vw,.55rem)}.setup-header{margin-bottom:.3rem}.setup-header h2{font-size:clamp(1.85rem,2.4vw,2.35rem);margin-bottom:.2rem;line-height:1}.setup-header p{font-size:clamp(.95rem,.95vw,1.08rem);margin-bottom:.2rem;line-height:1.25}.setup-options{margin-bottom:.4rem;gap:.5rem}.back-to-menu-button{padding:.54rem .88rem;font-size:.95rem}}.board-cell.targetable{cursor:crosshair;box-shadow:inset 0 0 0 1px #fff3}.board-cell.targetable:hover{background-color:var(--water-hover);box-shadow:inset 0 0 0 2px var(--gold)}@media(max-width:768px){.battle-boards{gap:1rem}.leaderboard-item{grid-template-columns:44px 1fr}.leaderboard-meta{grid-column:1 / -1;justify-content:flex-start}}@media(min-width:1200px)and (max-width:1700px){.battle-boards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:2100px){.game-screen{width:min(100%,2000px)}.battle-boards{width:min(100%,1750px)}}