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6-6'/%3E%3C/svg%3E");background-position:right .75rem center;background-repeat:no-repeat;border-radius:0;outline:none;padding:.5rem 2.5rem .5rem .9rem;font-family:Space Grotesk,sans-serif;font-size:.95rem;font-weight:600;transition:all .1s}.select-styled:focus{box-shadow:2px 2px 0 0 var(--border);transform:translate(2px,2px)}.dark .select-styled{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23FFF' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E")}.verdict-accepted{color:#00a344;font-weight:700}.verdict-wrong{color:#d6006b;font-weight:700}.verdict-tle,.verdict-runtime{color:#b39500;font-weight:700}.verdict-compile{color:#d6006b;font-weight:700}.verdict-pending{color:var(--text-muted);font-weight:700}.console-box{border:3px solid 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.1s;display:flex}.quiz-option:hover{box-shadow:var(--shadow-hard);transform:translate(-2px,-2px)}.quiz-option.selected{background:var(--accent-blue);color:#000}.quiz-option.correct{background:var(--accent-green);color:#000}.quiz-option.incorrect{background:var(--accent-red);color:#fff}.option-marker{border:2px solid var(--border);color:#000;background:#fff;border-radius:0;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:.8rem;font-weight:700;display:flex}.progress-bar-track{border:2px solid var(--border);height:12px;box-shadow:var(--shadow-hard-sm);background:#fff;border-radius:0;overflow:hidden}.progress-bar-fill{background:var(--accent-purple);border-right:2px solid var(--border);border-radius:0;height:100%;transition:width .5s cubic-bezier(.34,1.56,.64,1)}.arena-shell{height:100vh;display:flex;overflow:hidden}.arena-left{border-right:3px solid var(--border);background:var(--bg-elevated);flex-direction:column;width:42%;min-width:340px;display:flex;overflow:hidden}.arena-right{flex-direction:column;flex:1;display:flex;overflow:hidden}.arena-pane-header{background:var(--accent-yellow);border-bottom:3px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:.75rem;padding:.75rem 1.25rem;display:flex}.arena-pane-header h2,.arena-pane-header h3{color:#000}.arena-pane-body{flex:1;padding:1.25rem;overflow-y:auto}.md-body h1,h2,h3,h4{color:var(--text-primary);margin:1rem 0 .5rem;font-family:Space Grotesk,sans-serif}.md-body h2{border-bottom:3px solid var(--border);padding-bottom:.4rem;font-size:1.4rem}.md-body p{color:var(--text-secondary);margin-bottom:.75rem;font-size:1rem}.md-body code{background:var(--accent-cyan);border:2px solid var(--border);color:#000;padding:.15rem .4rem;font-size:.85rem;font-weight:600;box-shadow:2px 2px #000}.md-body pre{border:3px solid var(--border);box-shadow:var(--shadow-hard);background:#111;border-radius:0;margin:1rem 0;padding:1rem;overflow-x:auto}.md-body pre code{color:#fff;box-shadow:none;background:0 0;border:none;padding:0}.md-body ul,ol{color:var(--text-secondary);margin-bottom:.75rem;padding-left:1.5rem;font-size:1rem}.md-body li{margin-bottom:.25rem}.md-body strong{color:var(--text-primary);font-weight:700}.tab-bar{border-bottom:3px solid var(--border);background:var(--bg-surface);flex-shrink:0;gap:.5rem;padding:.75rem 1rem;display:flex;overflow-x:auto}.tab{cursor:pointer;border:2px solid var(--border);color:var(--text-primary);background:var(--bg-elevated);box-shadow:var(--shadow-hard-sm);border-radius:0;padding:.35rem .9rem;font-family:Space Grotesk,sans-serif;font-size:.85rem;font-weight:700;transition:all .1s}.tab:hover{transform:translate(-2px,-2px);box-shadow:4px 4px #000}.tab.active{background:var(--accent-blue);transform:translate(2px,2px);box-shadow:0 0 #000}.verdict-banner{border:3px solid var(--border);box-shadow:var(--shadow-hard);color:#000;border-radius:0;align-items:center;gap:.75rem;margin:1rem 0;padding:1rem 1.25rem;font-family:Space Grotesk,sans-serif;font-size:1rem;font-weight:700;display:flex}.verdict-banner.accepted{background:var(--accent-green)}.verdict-banner.wrong{background:var(--accent-red);color:#fff}.verdict-banner.error{background:var(--accent-yellow)}.verdict-banner.running{background:var(--accent-cyan)}.spinner{border:3px solid #0003;border-top-color:currentColor;border-radius:50%;width:18px;height:18px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.stat-card{background:var(--bg-card);border:3px solid var(--border);box-shadow:var(--shadow-hard);border-radius:0;padding:1.5rem;transition:transform .1s;position:relative;overflow:hidden}.stat-card:hover{transform:translate(-2px,-2px);box-shadow:6px 6px #000}.stat-card:before{content:"";border-bottom:3px solid var(--border);height:8px;position:absolute;top:0;left:0;right:0}.stat-card.blue:before{background:var(--accent-blue)}.stat-card.purple:before{background:var(--accent-purple)}.stat-card.green:before{background:var(--accent-green)}.stat-card.red:before{background:var(--accent-red)}.stat-value{color:var(--text-primary);margin-top:.5rem;font-family:Space Grotesk,sans-serif;font-size:2.5rem;font-weight:700;line-height:1}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-top:.5rem;font-family:Space Grotesk,sans-serif;font-size:.9rem;font-weight:700}.pdf-item{background:var(--bg-elevated);border:3px solid var(--border);color:var(--text-primary);box-shadow:var(--shadow-hard);border-radius:0;align-items:center;gap:.75rem;padding:1rem;font-family:Space Grotesk,sans-serif;font-size:1rem;font-weight:600;text-decoration:none;transition:all .1s;display:flex}.pdf-item:hover{background:var(--accent-yellow);transform:translate(-2px,-2px);box-shadow:6px 6px #000}.empty-state{text-align:center;color:var(--text-secondary);border:3px dashed var(--border);background:var(--bg-elevated);flex-direction:column;justify-content:center;align-items:center;gap:1rem;margin:2rem 0;padding:4rem 2rem;font-family:Space Grotesk,sans-serif;display:flex}.empty-state svg{opacity:1;color:var(--accent-red)}.skeleton{border:2px solid var(--border);background:linear-gradient(90deg,#e0e0e0 25%,#f5f5f5,#e0e0e0 75%) 0 0/200% 100%;border-radius:0;animation:1.5s infinite shimmer}.flex-center{justify-content:center;align-items:center;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.gap-sm{gap:.5rem}.gap-md{gap:1rem}.text-muted{color:var(--text-secondary)}.text-xs{font-size:.75rem}.text-sm{font-size:.875rem}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mobile-topbar{background:var(--accent-yellow);border-bottom:3px solid var(--border);z-index:40;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:none;position:sticky;top:0}.mobile-topbar-brand{align-items:center;gap:.5rem;display:flex}.mobile-topbar-brand h1{color:#000;letter-spacing:-.02em;margin:0;font-size:1.1rem}.mobile-menu-btn{background:var(--bg-elevated);border:2px solid var(--border);cursor:pointer;box-shadow:2px 2px 0 0 var(--border);color:var(--text-primary);justify-content:center;align-items:center;padding:.4rem;display:flex}.mobile-menu-btn:active{transform:translate(2px,2px);box-shadow:0 0 #000}.sidebar-overlay{z-index:45;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000080;display:none;position:fixed;top:0;right:0;bottom:0;left:0}@media (max-width:768px){.mobile-topbar{display:flex}.main-content{margin-left:0}.sidebar{transition:transform .2s ease-in-out;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay.open{display:block}.page-header{padding:1.5rem 1.25rem 1rem}.page-body{padding:1.25rem}.arena-shell{flex-direction:column;height:auto;min-height:calc(100vh - 65px)}.arena-left{border-right:none;border-bottom:3px solid var(--border);flex:none;width:100%;min-width:0;max-height:50vh}.arena-right{width:100%;min-height:50vh}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}.games-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-top:2rem}.game-card{background:var(--bg-elevated);border:2px solid var(--border);border-radius:12px;padding:1.5rem;display:flex;align-items:flex-start;gap:1.25rem;cursor:pointer;transition:all .2s ease;box-shadow:4px 4px 0 0 var(--border)}.game-card:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 0 var(--border)}.game-card:active{transform:translate(2px,2px);box-shadow:2px 2px 0 0 var(--border)}.game-card-icon{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border:2px solid var(--border)}.game-card-content h3{font-size:1.25rem;margin-bottom:.5rem;color:var(--text-primary)}.game-card-content p{color:var(--text-secondary);font-size:.9rem;line-height:1.5;margin-bottom:1rem}.game-stats{display:flex;gap:1rem;font-size:.8rem;font-weight:600;color:var(--text-tertiary)}.game-stats span{background:var(--bg-subtle);padding:.25rem .5rem;border-radius:6px;border:1px solid var(--border)}.game-container{max-width:600px;margin:0 auto;padding:2rem;display:flex;flex-direction:column;align-items:center}.game-header{width:100%;display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.game-timer{font-family:JetBrains Mono,monospace;font-size:1.5rem;font-weight:700;background:var(--bg-elevated);padding:.5rem 1rem;border-radius:8px;border:2px solid var(--border);box-shadow:2px 2px 0 0 var(--border)}.leaderboard-panel{width:100%;max-width:400px;margin-top:3rem;background:var(--bg-elevated);border:2px solid var(--border);border-radius:12px;padding:1.5rem}.leaderboard-panel h3{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-bottom:1rem;font-size:1.25rem}.leaderboard-list{display:flex;flex-direction:column;gap:.5rem}.leaderboard-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:var(--bg-subtle);border:1px solid var(--border);border-radius:8px}.leaderboard-item .rank{font-weight:800;width:24px;color:var(--text-secondary)}.leaderboard-item.top-1 .rank{color:#eab308}.leaderboard-item.top-2 .rank{color:#94a3b8}.leaderboard-item.top-3 .rank{color:#b45309}.leaderboard-item .name{flex-grow:1;font-weight:600}.leaderboard-item .time{font-family:JetBrains Mono,monospace;font-weight:700;color:var(--accent-purple)}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;width:100%;max-width:400px}.memory-card{aspect-ratio:1;perspective:1000px;cursor:pointer}.memory-card-inner{position:relative;width:100%;height:100%;text-align:center;transition:transform .4s;transform-style:preserve-3d}.memory-card.flipped .memory-card-inner{transform:rotateY(180deg)}.memory-card-front,.memory-card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;align-items:center;justify-content:center;border-radius:12px;border:2px solid var(--border);box-shadow:2px 2px 0 0 var(--border)}.memory-card-front{background:var(--bg-elevated);font-size:2rem;transform:rotateY(180deg)}.memory-card-back{background:var(--accent-purple);color:#fff}.memory-card.matched .memory-card-front{background:#10b98133;border-color:#10b981}.sudoku-grid{display:grid;grid-template-columns:repeat(9,1fr);gap:0;background:var(--border);padding:4px;border-radius:8px;width:100%;max-width:400px}.sudoku-cell-wrapper{position:relative;aspect-ratio:1;width:100%;background:var(--bg-elevated)}.sudoku-cell{position:absolute;top:0;left:0;width:100%;height:100%;min-width:0;min-height:0;background:transparent;font-size:2rem;font-family:JetBrains Mono,monospace;font-weight:700;border:1px solid var(--border);text-align:center;outline:none;color:var(--text-primary);margin:0;padding:0;display:flex;align-items:center;justify-content:center}.sudoku-cell-wrapper.fixed .sudoku-cell{background:var(--bg-subtle);color:var(--text-secondary)}.sudoku-cell-wrapper.error .sudoku-cell{background:#ef444433;color:#ef4444}.sudoku-cell:focus{background:#10b9811a}.sudoku-cell-wrapper:nth-child(3n) .sudoku-cell{border-right:3px solid var(--border)}.sudoku-cell-wrapper:nth-child(9n) .sudoku-cell{border-right:1px solid var(--border)}.sudoku-cell-wrapper:nth-child(n+19):nth-child(-n+27) .sudoku-cell,.sudoku-cell-wrapper:nth-child(n+46):nth-child(-n+54) .sudoku-cell{border-bottom:3px solid var(--border)}.word-guess-wrapper{display:flex;flex-direction:column;align-items:center;gap:1rem;width:100%;max-width:500px}.word-grid{display:grid;grid-template-rows:repeat(6,1fr);gap:5px}.word-row{display:grid;grid-template-columns:repeat(5,1fr);gap:5px}.word-cell{width:50px;height:50px;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;text-transform:uppercase}.word-cell.empty{border:2px solid var(--border)}.word-cell.filled{border:2px solid var(--text-secondary);color:var(--text-primary)}.word-cell.correct{background-color:#10b981;border-color:#10b981;color:#fff}.word-cell.present{background-color:#eab308;border-color:#eab308;color:#fff}.word-cell.absent{background-color:#64748b;border-color:#64748b;color:#fff}.keyboard{display:flex;flex-direction:column;gap:6px;width:100%}.keyboard-row{display:flex;justify-content:center;gap:6px}.key{min-width:32px;height:48px;border-radius:4px;border:1px solid var(--border);background:var(--bg-subtle);color:var(--text-primary);font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-user-select:none;user-select:none;flex:1;font-size:1rem}.key-wide{flex:1.5;font-size:.8rem}.key.correct{background-color:#10b981;color:#fff;border-color:#10b981}.key.present{background-color:#eab308;color:#fff;border-color:#eab308}.key.absent{background-color:#64748b;color:#fff;border-color:#64748b}.key:hover{filter:brightness(.9)}