:root{--bg:#10241c;--bar:#151a1f;--bar-border:#2b3339;--board:#177245;--board-dark:#105a36;--tile:#fff8e7;--tile-side:#3f9470;--tile-text:#1c2a24;--accent:#f5c84c;--danger:#ea6a5f;--muted:#aeb9b3}*{box-sizing:border-box}html,body{background:var(--bg);color:#f5f7f4;-moz-text-size-adjust:100%;text-size-adjust:100%;min-height:100%;margin:0;font-family:Arial,Helvetica,sans-serif;overflow-x:hidden}button{font:inherit;touch-action:manipulation}.game-shell{background:radial-gradient(circle at 20% 10%,#ffffff0f,#0000 22rem),linear-gradient(#173126 0%,#0d2118 100%);flex-direction:column;min-height:100dvh;display:flex}.game-header{min-height:82px;padding:max(12px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) 12px max(20px, env(safe-area-inset-left));background:var(--bar);border-bottom:1px solid var(--bar-border);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;display:flex;box-shadow:0 8px 22px #00000047}.brand-title{align-items:center;gap:12px;min-width:250px;display:flex}.brand-logo{object-fit:contain;flex:none;display:block}.teacher-logo{border-radius:12px;width:54px;height:54px}.institute-logo{background:#fff;border-radius:50%;width:54px;height:54px}.sinavro-brand-logo{background:#000;border-radius:14px;width:54px;height:54px}.company-name{color:#f5c84c;margin-bottom:4px;font-size:12px;font-weight:800;line-height:1;display:block}.title-block h1{margin:0;font-size:24px;line-height:1.1}.title-block p{color:var(--muted);margin:6px 0 0;font-size:13px}.stats{grid-template-columns:repeat(7,minmax(62px,1fr));gap:8px;width:min(680px,48vw);display:grid}.stat{background:#1d2429;border:1px solid #2f393f;border-radius:8px;padding:8px 10px}.stat span{color:var(--muted);font-size:11px;display:block}.stat strong{margin-top:3px;font-size:17px;display:block}.record-stat{border-color:#f5c84c80}.record-stat 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firework-flash{0%{opacity:0;transform:translate(-50%,-50%)scale(.1)}28%{opacity:1}to{opacity:0;transform:translate(-50%,-50%)scale(2.4)}}.confetti-field{position:absolute;inset:0}.confetti-piece{top:-8vh;left:var(--confetti-left);background:var(--confetti-color);width:11px;height:18px;box-shadow:0 0 5px color-mix(in srgb, var(--confetti-color) 70%, white);opacity:0;animation:confetti-fall 3.8s cubic-bezier(.16, .72, .35, 1) var(--confetti-delay) both;border-radius:2px;position:absolute}@keyframes confetti-fall{0%{opacity:0;transform:translateY(-8vh)rotate(0)rotateY(0)}8%{opacity:1}86%{opacity:1}to{opacity:0;transform:translate3d(var(--confetti-drift), 112vh, 0) rotate(var(--confetti-spin)) rotateY(720deg)}}@media (prefers-reduced-motion:reduce){.firework-burst 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button:disabled{cursor:not-allowed;opacity:.45}.board-wrap{width:100%;min-height:0;padding:28px max(16px, env(safe-area-inset-right)) 40px max(16px, env(safe-area-inset-left));flex:auto;justify-content:center;align-items:center;display:flex}.company-footer{flex-direction:column;justify-content:center;align-items:center;gap:14px;width:100%;padding:0 16px 32px;display:flex}.company-footer a{color:#f5f7f4;text-align:center;flex-direction:column;align-items:center;gap:5px;text-decoration:none;display:flex}.company-footer img{object-fit:contain;background:#fff;border-radius:50%;width:clamp(64px,10vw,104px);height:clamp(64px,10vw,104px)}.company-footer strong{font-size:clamp(14px,1.7vw,19px)}.company-footer span{color:var(--muted);font-size:clamp(12px,1.3vw,15px)}.company-footer a:hover span{color:#70c69e}.company-footer .privacy-link{color:var(--muted);text-underline-offset:3px;font-size:13px;text-decoration:underline}.company-footer 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#fff9;border-radius:18px;width:clamp(76px,11vw,132px);height:clamp(76px,11vw,132px);position:absolute;bottom:18px;right:18px;box-shadow:0 12px 24px #0000003d}.tile{left:var(--tile-x);top:var(--tile-y);width:var(--tile-w,9.4%);aspect-ratio:72/92;cursor:pointer;perspective:700px;background:0 0;border:0;border-radius:8px;padding:0;transition:filter .16s,opacity .16s;position:absolute;container-type:inline-size}.tile:before{content:"";background:var(--tile-side);border-radius:8px;position:absolute;inset:7px -5px -7px 5px;box-shadow:0 8px 12px #00000047}.tile-card{transform-style:preserve-3d;transition:transform .22s;position:absolute;inset:0}.tile.selected .tile-card{transform:rotateY(180deg)}.tile-face{background:linear-gradient(135deg, #ffffffe6, transparent 38%), var(--tile);color:var(--tile-text);backface-visibility:hidden;border:2px solid #89c7a5;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:1px;padding:6% 4% 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(max-width:860px){.game-header{flex-direction:column;align-items:stretch;gap:10px;min-height:0;padding:12px}.brand-title{min-width:0}.stats{grid-template-columns:repeat(4,1fr);width:100%}.actions{justify-content:flex-start}.board{aspect-ratio:720/720}}@media (max-width:520px){.game-header{z-index:2000;padding:max(8px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) 8px max(10px, env(safe-area-inset-left));gap:7px;position:relative}.title-block h1{font-size:19px}.brand-title{gap:8px}.sinavro-brand-logo{border-radius:12px;width:48px;height:48px}.company-name{font-size:10px}.title-block p{margin-top:3px;font-size:10px;line-height:1.15;display:block}.stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}.stat{text-align:center;border-radius:7px;min-width:0;padding:5px 4px}.stat span{text-overflow:ellipsis;white-space:nowrap;font-size:9px;line-height:1.2;overflow:hidden}.stat 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#38444b;border-radius:8px;grid-template-columns:auto 1fr;align-items:center;gap:10px;min-height:40px;padding:0 9px;display:grid}.more-difficulty-control span{color:var(--muted);font-size:12px;font-weight:700}.more-difficulty-control select{color:#f5f7f4;min-width:0;font:inherit;background:0 0;border:0;outline:0;font-size:13px}.more-difficulty-control option{color:#172016}.language-sheet-backdrop{z-index:100;background:#0000009e;align-items:flex-end;display:flex;position:fixed;inset:0}.language-sheet{width:100%;max-height:72vh;padding:10px 12px max(14px, env(safe-area-inset-bottom));background:#171e22;border:1px solid #405049;border-bottom:0;border-radius:20px 20px 0 0;flex-direction:column;display:flex;box-shadow:0 -20px 48px #00000080}.language-sheet:before{content:"";background:#69766f;border-radius:999px;width:42px;height:4px;margin:0 auto 8px}.language-sheet-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.language-sheet-header h2{margin:0;font-size:18px}.language-sheet-header button{color:#fff;background:#283239;border:0;border-radius:50%;width:38px;height:38px;font-size:25px;line-height:1}.language-sheet-list{overscroll-behavior:contain;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;display:grid;overflow-y:auto}.language-sheet-list button{color:#f5f7f4;min-height:43px;font:inherit;background:#222b30;border:1px solid #38444b;border-radius:10px;padding:6px 10px;font-size:13px}.language-sheet-list button.selected{color:#fff;background:#244f3d;border-color:#70c69e;font-weight:700}.board-wrap{padding:8px max(10px, env(safe-area-inset-right)) 10px max(10px, env(safe-area-inset-left));align-items:center}.company-footer{padding:4px 12px max(12px, env(safe-area-inset-bottom));flex-shrink:0}.board{background-size:28px 28px,28px 28px,auto;border-width:8px;border-radius:14px;width:min(100%,100dvh - 250px);max-height:min(100%,100dvh - 250px)}.board-teacher-logo{opacity:.86;border-width:2px;border-radius:12px;width:58px;height:58px;bottom:10px;right:10px}.tile{width:var(--tile-w,10.5%);border-radius:7px}.tile:before{border-radius:7px;inset:5px -4px -5px 4px}.tile-face{border-width:1px;border-radius:7px}.tile-label{font-size:clamp(11px,3.2vw,18px)}.tile-category{font-size:clamp(7px,1.7vw,9px)}.tile-translation{font-size:clamp(6px,1.8vw,9px)}.tile-picture{border-radius:8px;width:64%}.preview-modal{width:auto;margin:0 max(10px, env(safe-area-inset-right)) 8px max(10px, env(safe-area-inset-left));border-radius:14px;flex-shrink:0;grid-template-columns:64px 1fr;gap:8px;padding:8px 10px;position:relative;bottom:auto;left:auto;right:auto}.preview-image{border-radius:10px;min-height:64px}.preview-copy{padding-right:26px}.preview-copy strong{font-size:22px}.preview-copy span{margin-top:2px;font-size:14px}.preview-copy p{display:none}}@media (max-width:520px) and (max-height:740px){html,body{height:100%;overflow:hidden}.game-shell{height:100dvh;min-height:0;overflow:hidden}.game-header{padding:max(2px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) 4px max(8px, env(safe-area-inset-left));gap:3px}.brand-title{display:none}.stats{grid-template-columns:repeat(7,minmax(0,1fr));gap:2px}.stat{border-radius:4px;padding:2px 1px}.stat span{font-size:7px}.stat strong{margin-top:0;font-size:10px}.mobile-actions{grid-template-columns:repeat(3,minmax(0,1fr)) 32px 34px;gap:3px}.mobile-actions>button,.more-menu-trigger{min-height:28px;font-size:11px}.mobile-language-trigger{font-size:14px}.more-menu-trigger{font-size:16px}.board-wrap{min-height:0;padding:4px max(8px, env(safe-area-inset-right)) 4px max(8px, env(safe-area-inset-left));flex:1 1 0;place-items:center;display:grid}.board{aspect-ratio:1;width:100%;max-width:100%;height:auto;max-height:100%}.company-footer{padding:0 8px max(4px, env(safe-area-inset-bottom));flex-direction:row;justify-content:center;gap:8px}.company-footer a:first-child{display:none}.company-footer .privacy-link{font-size:10px}}