:root{--bg-deep: #05101f;--bg-dark: #0a1628;--bg-card: #0f2040;--bg-card2: #132850;--accent: #00d4ff;--accent2: #0099bb;--accent-glow: rgba(0, 212, 255, .3);--danger: #ff4757;--success: #2ed573;--warning: #ffa502;--gold: #ffd700;--text: #e0f0ff;--text-muted: #6a8caa;--border: rgba(0, 212, 255, .15);--cell-size: clamp(28px, 8vw, 42px);--radius: 12px;--shadow: 0 4px 24px rgba(0,0,0,.5)}body[data-board=space]{--bg-deep: #01010f;--bg-dark: #050518;--bg-card: #0a0a28;--accent: #a78bfa;--accent-glow: rgba(167, 139, 250, .3)}body[data-board=lava]{--bg-deep: #1a0500;--bg-dark: #2d0a00;--bg-card: #3d1200;--accent: #ff6b35;--accent-glow: rgba(255, 107, 53, .3)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{background:var(--bg-deep);color:var(--text);font-family:Segoe UI,system-ui,sans-serif;min-height:100vh;overflow-x:hidden;direction:rtl}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--accent2);border-radius:3px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;user-select:none;-webkit-user-select:none;touch-action:manipulation}.btn:active{transform:scale(.96)}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#000;box-shadow:0 0 20px var(--accent-glow)}.btn-primary:hover{box-shadow:0 0 30px var(--accent-glow)}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#000}.btn-ghost{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-lg{padding:16px 32px;font-size:17px}.btn-sm{padding:8px 16px;font-size:13px}.btn-full{width:100%}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.input-group{display:flex;flex-direction:column;gap:6px}.input-group label{font-size:13px;color:var(--text-muted)}.input{background:var(--bg-deep);border:1.5px solid var(--border);border-radius:8px;padding:12px 14px;color:var(--text);font-size:15px;outline:none;transition:border-color .2s;width:100%}.input:focus{border-color:var(--accent)}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.page{min-height:100vh;display:flex;flex-direction:column;max-width:480px;margin:0 auto;padding:0 16px 80px}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:16px 0 12px;position:sticky;top:0;background:var(--bg-deep);z-index:100}.top-bar h1{font-size:18px;font-weight:700;color:var(--accent)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:rgba(10,22,40,.95);border-top:1px solid var(--border);display:flex;z-index:200;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding-bottom:env(safe-area-inset-bottom,0px)}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 0 6px;gap:3px;cursor:pointer;color:var(--text-muted);border:none;background:none;transition:color .2s;-webkit-tap-highlight-color:transparent}.nav-item.active{color:var(--accent)}.nav-icon-wrap{position:relative;width:36px;height:36px;display:flex;align-items:center;justify-content:center}.nav-active-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:rgba(0,212,255,.12);border-radius:12px;border:1px solid rgba(0,212,255,.2)}.nav-icon{font-size:20px;position:relative;z-index:1}.nav-label{font-size:10px;font-weight:600;letter-spacing:.3px}.board-grid{display:grid;grid-template-columns:repeat(10,var(--cell-size));grid-template-rows:repeat(10,var(--cell-size));gap:2px;touch-action:none;position:relative;z-index:1}.cell{width:var(--cell-size);height:var(--cell-size);border-radius:4px;border:1px solid rgba(0,180,220,.12);background:rgba(0,40,80,.5);cursor:pointer;position:relative;overflow:hidden;transition:background .15s,border-color .15s}.cell:hover{border-color:var(--accent);background:rgba(0,212,255,.1)}.cell.ship{background:rgba(0,180,220,.25);border-color:#00d4ff66}.cell.cell-ship{background:transparent!important;border-color:transparent!important}.cell.sunk-hit{background:radial-gradient(circle,#ff6b6b 0%,#c0392b 60%,#7f0000 100%);border-color:#ff4757}.cell.sunk-hit.sunk{background:radial-gradient(circle,#4a0000 0%,#1a0000 100%);border-color:#ff4757;box-shadow:inset 0 0 6px #ff475780}.cell.miss{background:rgba(100,150,200,.15);border-color:#6496c84d}.cell.preview-valid{background:rgba(46,213,115,.35);border-color:var(--success)}.cell.preview-invalid{background:rgba(255,71,87,.35);border-color:var(--danger)}@keyframes explode{0%{transform:translate(-50%,-50%) scale(.3);opacity:1}60%{transform:translate(-50%,-50%) scale(1.3);opacity:1}to{transform:translate(-50%,-50%) scale(1);opacity:1}}body[data-ship=pirate] .cell.ship{background:rgba(139,69,19,.4);border-color:#8b4513}body[data-ship=futuristic] .cell.ship{background:rgba(100,0,255,.3);border-color:#6400ff;box-shadow:0 0 8px #6400ff66}.board-labels{display:flex;justify-content:space-between;padding:0 2px}.board-label{width:var(--cell-size);text-align:center;font-size:10px;color:var(--text-muted);font-weight:600}.auth-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at top,#0a2a4a 0%,var(--bg-deep) 70%)}.auth-logo{font-size:56px;margin-bottom:8px;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.auth-title{font-size:28px;font-weight:800;color:var(--accent);margin-bottom:4px}.auth-subtitle{color:var(--text-muted);font-size:14px;margin-bottom:32px}.auth-card{width:100%;max-width:360px}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-link{text-align:center;font-size:14px;color:var(--text-muted);margin-top:16px}.auth-link a{color:var(--accent);text-decoration:none;font-weight:600}.error-msg{background:rgba(255,71,87,.15);border:1px solid var(--danger);border-radius:8px;padding:10px 14px;font-size:13px;color:var(--danger)}.home-hero{text-align:center;padding:24px 0 16px}.home-hero .ship-icon{font-size:64px;animation:float 3s ease-in-out infinite}.home-hero h1{font-size:26px;font-weight:800;color:var(--accent)}.home-hero p{color:var(--text-muted);font-size:14px;margin-top:4px}.home-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}.stat-card .stat-val{font-size:28px;font-weight:800;color:var(--accent)}.stat-card .stat-label{font-size:12px;color:var(--text-muted);margin-top:2px}.menu-grid{display:flex;flex-direction:column;gap:12px}.menu-btn{display:flex;align-items:center;gap:16px;padding:18px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);cursor:pointer;transition:all .2s;text-decoration:none;width:100%}.menu-btn:hover{border-color:var(--accent);background:var(--bg-card2);transform:translate(-3px)}.menu-btn .icon{font-size:32px}.menu-btn .label{font-weight:700;font-size:16px}.menu-btn .sub{font-size:12px;color:var(--text-muted);margin-top:2px}.placer-ships{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.ship-chip{display:flex;align-items:center;gap:6px;padding:8px 12px;background:var(--bg-card);border:1.5px solid var(--border);border-radius:8px;cursor:pointer;font-size:13px;font-weight:500;transition:all .15s;color:var(--text)}.ship-chip.selected{border-color:var(--accent);background:rgba(0,212,255,.1);color:var(--accent)}.ship-chip.placed{opacity:.4;cursor:default;text-decoration:line-through}.ship-size-bar{display:flex;gap:3px}.ship-size-cell{width:10px;height:10px;border-radius:2px;background:currentColor}.placer-controls{display:flex;gap:10px;margin-bottom:16px}.game-page{padding:0 12px 80px;max-width:500px;margin:0 auto}.game-header{display:flex;justify-content:space-between;align-items:center;padding:14px 0 10px}.game-status{font-size:14px;font-weight:600}.game-status.your-turn{color:var(--success)}.game-status.ai-turn{color:var(--warning)}.boards-container{display:flex;flex-direction:column;gap:16px}.board-section{display:flex;flex-direction:column;align-items:center;gap:8px}.board-title{font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted)}.board-title.enemy{color:var(--danger)}.board-title.yours{color:var(--accent)}.shop-container{display:flex;flex-direction:column;gap:24px;padding:10px 0}.shop-category{display:flex;flex-direction:column;gap:12px}.shop-category-title{font-size:16px;font-weight:800;padding:0 4px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.shop-horizontal-scroll{display:flex;gap:16px;overflow-x:auto;padding:10px 4px 20px;scrollbar-width:none}.shop-horizontal-scroll::-webkit-scrollbar{display:none}.shop-card{min-width:150px;max-width:150px;background:var(--bg-card);border-radius:16px;padding:20px 16px;display:flex;flex-direction:column;align-items:center;text-align:center;border:1.5px solid var(--border);box-shadow:0 8px 16px #0000004d;transition:all .2s cubic-bezier(.175,.885,.32,1.275)}.shop-card:hover{transform:scale(1.05);border-color:var(--accent);background:var(--bg-card2)}.shop-card.owned{border-color:var(--success);background:linear-gradient(135deg,rgba(46,213,115,.05) 0%,var(--bg-card) 100%)}.shop-card-icon{font-size:44px;margin-bottom:12px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.3))}.shop-card-info{flex:1;width:100%}.shop-card-name{font-weight:800;font-size:14px;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.shop-card-desc{font-size:11px;color:var(--text-muted);line-height:1.3;margin-bottom:16px;height:2.6em;overflow:hidden}.shop-card-action{width:100%}.owned-tag{font-size:12px;color:var(--success);font-weight:700;display:block;margin-top:8px}.points-badge{background:linear-gradient(135deg,var(--gold),#e6a800);color:#000;font-weight:700;font-size:13px;padding:5px 12px;border-radius:20px}.lb-tabs{display:flex;gap:8px;margin-bottom:16px;overflow-x:auto;padding-bottom:4px}.lb-tab{padding:8px 16px;background:var(--bg-card);border:1.5px solid var(--border);border-radius:20px;font-size:13px;font-weight:600;cursor:pointer;color:var(--text-muted);white-space:nowrap;transition:all .2s}.lb-tab.active{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,.08)}.lb-table{width:100%;border-collapse:collapse}.lb-table th{font-size:11px;color:var(--text-muted);text-align:right;padding:8px 10px;border-bottom:1px solid var(--border)}.lb-table td{padding:12px 10px;border-bottom:1px solid rgba(255,255,255,.04);font-size:14px}.lb-table tr:first-child td{color:var(--gold)}.lb-table tr:nth-child(2) td{color:silver}.lb-table tr:nth-child(3) td{color:#cd7f32}.rank-badge{font-weight:800;font-size:16px}.lb-me td{background:rgba(0,212,255,.06)}.lobby-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:24px;gap:20px}.lobby-waiting{text-align:center}.lobby-waiting .pulse{width:80px;height:80px;border-radius:50%;background:rgba(0,212,255,.1);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;font-size:36px;margin:0 auto 16px;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:0 0 0 0 var(--accent-glow)}50%{box-shadow:0 0 0 20px transparent}}.toast-container{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{background:var(--bg-card2);border:1px solid var(--border);border-radius:10px;padding:12px 20px;font-size:14px;font-weight:600;animation:slideDown .3s ease-out,fadeOut .3s ease-in 2.7s forwards;white-space:nowrap}.toast.success{border-color:var(--success);color:var(--success)}.toast.error{border-color:var(--danger);color:var(--danger)}.toast.info{border-color:var(--accent);color:var(--accent)}@keyframes slideDown{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes fadeOut{to{opacity:0}}.score-popup{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-card);border:2px solid var(--accent);border-radius:20px;padding:32px;text-align:center;z-index:1000;box-shadow:0 0 60px var(--accent-glow);animation:popIn .4s cubic-bezier(.34,1.56,.64,1);min-width:280px}@keyframes popIn{0%{transform:translate(-50%,-50%) scale(.5);opacity:0}to{transform:translate(-50%,-50%) scale(1);opacity:1}}.score-popup.win{border-color:var(--gold);box-shadow:0 0 60px #ffd70066}.score-popup.lose{border-color:var(--danger);box-shadow:0 0 60px #ff47574d}.score-popup h2{font-size:32px;margin-bottom:8px}.score-popup .score-val{font-size:48px;font-weight:800;color:var(--accent)}.score-popup .points-earned{color:var(--gold);font-size:16px;font-weight:600;margin-top:8px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.7);z-index:999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.diff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.diff-card{display:flex;flex-direction:column;align-items:center;padding:18px 10px;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .2s;gap:8px}.diff-card:hover,.diff-card.selected{border-color:var(--accent)}.diff-card .diff-icon{font-size:28px}.diff-card .diff-name{font-weight:700;font-size:14px}.diff-card .diff-mult{font-size:11px;color:var(--text-muted)}.game-fullscreen{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;background:var(--bg-deep);overflow:hidden}.game-header-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;flex-shrink:0;border-bottom:1px solid var(--border)}.game-boards-fill{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:space-evenly;padding:6px 12px;overflow:hidden}.board-panel{display:flex;flex-direction:column;align-items:center;gap:4px;flex-shrink:0}.board-divider{width:80%;height:1px;background:var(--border);flex-shrink:0}.sink-notif{position:fixed;top:50%;left:50%;z-index:800;pointer-events:none;text-align:center;background:linear-gradient(135deg,rgba(10,22,40,.96),rgba(20,10,10,.96));border:2px solid var(--danger);border-radius:18px;padding:18px 32px;box-shadow:0 0 40px #ff475780;animation:sinkAppear 2.5s ease-out forwards}.sink-notif-icon{font-size:36px;animation:sinkWave .5s ease-in-out 3}.sink-notif-title{font-size:16px;font-weight:800;color:var(--danger);margin-top:4px}.sink-notif-ship{font-size:20px;font-weight:700;color:var(--text);margin-top:2px}@keyframes sinkAppear{0%{transform:translate(-50%,-50%) scale(.4) rotate(-3deg);opacity:0}15%{transform:translate(-50%,-50%) scale(1.08) rotate(1deg);opacity:1}25%{transform:translate(-50%,-50%) scale(1) rotate(0);opacity:1}70%{transform:translate(-50%,-50%) scale(1) translateY(0);opacity:1}85%{transform:translate(-50%,calc(-50% + 16px)) scale(.95);opacity:.6}to{transform:translate(-50%,calc(-50% + 40px)) scale(.8);opacity:0}}@keyframes sinkWave{0%,to{transform:rotate(0)}25%{transform:rotate(-12deg)}75%{transform:rotate(12deg)}}.cell.sunk-hit:after{content:"💥";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:calc(var(--cell-size) * .6)}.cell.sunk-hit.sunk:after{content:"🔥";opacity:.7}.cell.miss:after{content:"○";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#64b4ff99;font-size:calc(var(--cell-size) * .5)}body[data-effect=fire] .cell.sunk-hit:not(.sunk):after{content:"🔥"}body[data-effect=ice] .cell.sunk-hit:not(.sunk):after{content:"❄️"}@keyframes flash{0%{opacity:1}to{opacity:0}}.cell.new-hit:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle,rgba(255,255,255,.8) 0%,transparent 70%);animation:flash .3s ease-out}.sink-notif{display:none}@media (max-width: 360px){:root{--cell-size: 26px}}@media (min-width: 480px){:root{--cell-size: 38px}}