:root{--sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;font-family:var(--sans);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f1f5f9;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#090d16}body{background-color:#090d16;min-height:100vh;margin:0;padding:0}#root{flex-direction:column;min-height:100vh;display:flex}.puzzle-app{box-sizing:border-box;color:#e2e8f0;flex-direction:column;width:100%;min-height:100vh;padding:16px 32px 48px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex}.app-navbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0f172ab3;border:1px solid #ffffff14;border-radius:14px;justify-content:space-between;align-items:center;margin-bottom:28px;padding:14px 20px;display:flex;box-shadow:0 4px 20px #00000040}.brand-logo{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;transition:transform .2s;display:flex}.brand-logo:hover{transform:scale(1.02)}.logo-icon{font-size:1.6rem}.brand-name{letter-spacing:-.5px;background:linear-gradient(135deg,#a855f7 0%,#6366f1 60%,#38bdf8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.3rem;font-weight:800}.active-pill{color:#a5b4fc;background:#6366f126;border:1px solid #6366f159;border-radius:20px;padding:5px 12px;font-size:.85rem;font-weight:500}.app-main-content{flex:1}.app-footer{text-align:center;color:#64748b;border-top:1px solid #ffffff0d;margin-top:48px;padding-top:20px;font-size:.85rem}.game-list-container{flex-direction:column;gap:28px;display:flex}.game-list-header{text-align:center;max-width:680px;margin:0 auto}.header-badge{text-transform:uppercase;letter-spacing:.08em;color:#c084fc;background:#a855f726;border:1px solid #a855f74d;border-radius:9999px;margin-bottom:12px;padding:4px 12px;font-size:.85rem;font-weight:600;display:inline-block}.main-title{letter-spacing:-.02em;background:linear-gradient(135deg,#f8fafc 0%,#cbd5e1 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0 0 10px;font-size:2.5rem;font-weight:800}.main-subtitle{color:#94a3b8;margin:0 0 20px;font-size:1.05rem;line-height:1.5}.status-bar{background:#1e293b99;border:1px solid #ffffff12;border-radius:9999px;align-items:center;gap:16px;padding:6px 16px;display:inline-flex}.status-indicator{color:#cbd5e1;align-items:center;gap:8px;font-size:.85rem;display:flex}.status-dot{border-radius:50%;width:8px;height:8px}.status-online{background:#10b981;box-shadow:0 0 8px #10b981}.status-offline{background:#f59e0b;box-shadow:0 0 8px #f59e0b}.status-error{background:#ef4444;box-shadow:0 0 8px #ef4444}.status-loading{background:#6366f1;animation:1s infinite alternate pulseDot}@keyframes pulseDot{0%{opacity:.4;transform:scale(.8)}to{opacity:1;transform:scale(1.2)}}.refresh-btn{color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:4px;align-items:center;gap:5px;padding:2px 6px;font-size:.85rem;transition:all .15s;display:flex}.refresh-btn:hover:not(:disabled){color:#f1f5f9;background:#ffffff14}.refresh-btn:disabled{opacity:.5;cursor:not-allowed}.refresh-icon.spinning{animation:.8s linear infinite spin}.games-grid{grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:24px;width:100%;display:grid}.game-card{cursor:pointer;background:#131b2e;border:1px solid #ffffff14;border-radius:16px;flex-direction:column;transition:transform .25s cubic-bezier(.2,0,0,1),box-shadow .25s cubic-bezier(.2,0,0,1),border-color .25s cubic-bezier(.2,0,0,1);display:flex;overflow:hidden;box-shadow:0 10px 25px -5px #0006}.game-card:hover{border-color:#6366f173;transform:translateY(-6px);box-shadow:0 20px 30px -10px #6366f133,0 0 20px #6366f11a}.game-card:focus-visible{outline-offset:2px;outline:2px solid #6366f1}.game-card-thumbnail{width:100%;height:180px;position:relative;overflow:hidden}.thumbnail-img{object-fit:cover;width:100%;height:100%;transition:transform .4s}.game-card:hover .thumbnail-img{transform:scale(1.06)}.thumbnail-overlay{background:linear-gradient(#0000 40%,#131b2ef2 100%);justify-content:flex-end;align-items:flex-end;padding:12px;display:flex;position:absolute;inset:0}.grid-preview-badge{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#f1f5f9;letter-spacing:.5px;background:#000000a6;border:1px solid #ffffff26;border-radius:6px;padding:4px 8px;font-size:.8rem;font-weight:700}.game-card-body{flex-direction:column;flex:1;gap:14px;padding:18px;display:flex}.game-card-header{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.game-card-title{color:#f8fafc;margin:0;font-size:1.2rem;font-weight:700;line-height:1.3}.difficulty-badge{text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;border:1px solid #0000;border-radius:6px;padding:3px 8px;font-size:.72rem;font-weight:700}.game-card-meta{background:#0f172a80;border:1px solid #ffffff0a;border-radius:8px;justify-content:space-between;padding:10px 12px;display:flex}.meta-item{flex-direction:column;gap:2px;display:flex}.meta-label{color:#94a3b8;text-transform:uppercase;letter-spacing:.04em;font-size:.72rem}.meta-value{color:#e2e8f0;font-size:.88rem;font-weight:600}.card-actions-row{align-items:center;gap:8px;width:100%;margin-top:auto;display:flex}.play-card-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#4f46e5 0%,#6366f1 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10px;font-size:.95rem}.error-help{color:#94a3b8!important;font-size:.85rem!important}.error-help code{color:#38bdf8;background:#0006;border-radius:4px;padding:2px 6px}.error-actions,.empty-actions{flex-wrap:wrap;gap:12px;margin-top:14px;display:flex}.primary-action-btn{color:#fff;cursor:pointer;background:#4f46e5;border:none;border-radius:8px;padding:9px 16px;font-size:.9rem;font-weight:600;transition:background .15s}.primary-action-btn:hover{background:#4338ca}.secondary-action-btn{color:#e2e8f0;cursor:pointer;background:#ffffff14;border:1px solid #ffffff26;border-radius:8px;padding:9px 16px;font-size:.9rem;font-weight:600;transition:all .15s}.secondary-action-btn:hover{background:#ffffff26}.empty-state{text-align:center;background:#131b2e;border:1px dashed #ffffff1f;border-radius:16px;max-width:500px;margin:0 auto;padding:48px 20px}.empty-icon{margin-bottom:12px;font-size:2.8rem}.empty-state h3{color:#f1f5f9;margin:0 0 8px;font-size:1.3rem}.empty-state p{color:#94a3b8;margin:0 0 20px;font-size:.95rem}.puzzle-play-view{flex-direction:column;gap:24px;display:flex}.game-nav-bar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#131b2ed9;border:1px solid #ffffff14;border-radius:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:14px 20px;display:flex;box-shadow:0 4px 20px #00000040}.back-btn{color:#cbd5e1;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:8px;align-items:center;gap:8px;padding:8px 14px;font-size:.9rem;font-weight:600;transition:all .2s;display:flex}.back-btn:hover{color:#fff;background:#ffffff1f;transform:translate(-2px)}.game-title-group{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.current-game-title{color:#f8fafc;margin:0;font-size:1.4rem;font-weight:700}.game-stats-pills{gap:8px;display:flex}.pill-badge{border-radius:20px;align-items:center;gap:6px;padding:4px 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.2s;display:flex;position:relative}.grid-slot:hover{background:#6366f126;border-color:#6366f180}.grid-slot.has-piece{border-style:solid;border-color:#ffffff0d}.grid-slot.correct-slot{border-color:#22c55e59}.grid-slot.drag-hover{z-index:5;transform:scale(1.02);box-shadow:0 0 16px #a855f799;background:#a855f740!important;border-color:#a855f7!important}.slot-placeholder{color:#ffffff1f;-webkit-user-select:none;user-select:none;font-size:1.2rem;font-weight:700}.puzzle-piece{cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;width:100%;height:100%;transition:transform .15s,box-shadow .15s;position:relative}.puzzle-piece:active{cursor:grabbing}.puzzle-piece.is-dragging{opacity:.25;cursor:grabbing;transform:scale(.96)}.puzzle-piece img{object-fit:cover;pointer-events:none;width:100%;height:100%;display:block}.puzzle-piece.selected{outline-offset:-3px;z-index:10;outline:3px solid #a855f7;transform:scale(1.04);box-shadow:0 0 20px #a855f7b3}.correct-badge{color:#fff;pointer-events:none;background:#22c55e;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:.7rem;font-weight:700;display:flex;position:absolute;top:4px;right:4px;box-shadow:0 2px 5px #0006}.pieces-tray{background:#131b2e;border:2px solid #334155;border-radius:14px;flex-wrap:wrap;place-content:flex-start center;gap:12px;min-width:320px;max-width:480px;min-height:280px;padding:16px;transition:border-color .15s,box-shadow .15s;display:flex;box-shadow:inset 0 2px 8px #0006}.pieces-tray.drag-hover{border-color:#a855f7;box-shadow:inset 0 0 18px #a855f759,0 0 14px #a855f74d}.floating-drag-piece{pointer-events:none;will-change:left, top;-webkit-user-select:none;user-select:none;border-radius:6px;overflow:hidden;box-shadow:0 14px 32px #000000a6,0 0 20px #a855f780}.tray-piece{touch-action:none;border-radius:6px;transition:transform .2s,box-shadow .2s;overflow:hidden;box-shadow:0 4px 12px #00000059}.tray-piece:hover{transform:translateY(-4px)scale(1.04);box-shadow:0 8px 18px #00000080}.empty-tray-msg{color:#64748b;margin-top:90px;font-size:.95rem;font-style:italic}.loading-screen,.error-screen{color:#94a3b8;flex-direction:column;justify-content:center;align-items:center;gap:8px;min-height:340px;display:flex}.loading-subtext{color:#64748b;font-size:.85rem}.spinner{border:4px solid #ffffff14;border-top-color:#6366f1;border-radius:50%;width:44px;height:44px;margin-bottom:8px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes popIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@media (width<=768px){.game-workspace{flex-direction:column;align-items:center}.pieces-tray{min-width:100%}.game-nav-bar{text-align:center;flex-direction:column;align-items:stretch}.game-title-group{justify-content:center}}.nav-action-buttons{align-items:center;gap:10px;display:flex}.leaderboard-nav-btn{color:#fbbf24;cursor:pointer;background:#f59e0b26;border:1px solid #f59e0b59;border-radius:8px;padding:8px 16px;font-size:.9rem;font-weight:600;transition:all .2s}.leaderboard-nav-btn:hover{background:#f59e0b40;border-color:#f59e0b99;transform:translateY(-2px);box-shadow:0 4px 14px #f59e0b33}.submit-score-prompt-btn{color:#1e1b4b;cursor:pointer;background:linear-gradient(135deg,#f59e0b 0%,#d97706 100%);border:none;border-radius:8px;padding:10px 22px;font-size:.95rem;font-weight:700;transition:all .2s;box-shadow:0 4px 14px #f59e0b66}.submit-score-prompt-btn:hover{background:linear-gradient(135deg,#fbbf24 0%,#f59e0b 100%);transform:translateY(-2px);box-shadow:0 6px 18px #f59e0b80}.view-leaderboard-btn{color:#fbbf24;cursor:pointer;background:#f59e0b2e;border:1px solid #f59e0b66;border-radius:8px;padding:10px 20px;font-size:.95rem;font-weight:600;transition:all .2s}.view-leaderboard-btn:hover{background:#f59e0b4d;transform:translateY(-2px)}.modal-backdrop{-webkit-backdrop-filter:blur(8px);z-index:1000;background:#070b16bf;justify-content:center;align-items:center;padding:20px;animation:.25s cubic-bezier(.16,1,.3,1) modalFadeIn;display:flex;position:fixed;inset:0}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}.modal-dialog{background:#0f172a;border:1px solid #ffffff1f;border-radius:18px;flex-direction:column;width:100%;animation:.3s cubic-bezier(.16,1,.3,1) modalScaleUp;display:flex;position:relative;overflow:hidden;box-shadow:0 24px 60px #0009,0 0 0 1px #ffffff0d}@keyframes modalScaleUp{0%{opacity:0;transform:scale(.93)translateY(12px)}to{opacity:1;transform:scale(1)translateY(0)}}.submit-score-dialog{max-width:520px}.leaderboard-dialog{width:95%;max-width:780px;max-height:88vh}.modal-close-btn{color:#94a3b8;cursor:pointer;z-index:10;background:#ffffff12;border:1px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;font-size:1.4rem;line-height:1;transition:all .2s;display:flex;position:absolute;top:14px;right:16px}.modal-close-btn:hover{color:#f87171;background:#ef444433;border-color:#ef444466;transform:scale(1.05)}.modal-header-hero{text-align:center;background:radial-gradient(circle at 50% 0,#6366f140 0%,#0000 70%);border-bottom:1px solid #ffffff0f;padding:28px 28px 20px}.leaderboard-header-hero{background:radial-gradient(circle at 50% 0,#f59e0b38 0%,#0000 70%)}.trophy-badge{margin-bottom:8px;font-size:2.2rem;animation:.5s cubic-bezier(.175,.885,.32,1.275) bounceIn;display:inline-block}@keyframes bounceIn{0%{opacity:0;transform:scale(.3)}60%{opacity:1;transform:scale(1.15)}to{transform:scale(1)}}.modal-title{color:#f8fafc;margin:0 0 6px;font-size:1.45rem;font-weight:700}.modal-subtitle{color:#94a3b8;margin:0;font-size:.9rem}.modal-subtitle strong{color:#e2e8f0}.score-highlight-card{background:linear-gradient(135deg,#f59e0b26,#d9770640);border:1.5px solid #f59e0b8c;border-radius:30px;align-items:center;gap:14px;margin-top:16px;padding:10px 22px;display:inline-flex;box-shadow:0 4px 20px #f59e0b40,inset 0 1px #ffffff1a}.score-icon-circle{background:#f59e0b40;border:1px solid #f59e0b66;border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;font-size:1.4rem;display:flex}.score-text-group{flex-direction:column;align-items:flex-start;display:flex}.score-label{text-transform:uppercase;letter-spacing:.07em;color:#fcd34d;font-size:.75rem;font-weight:700}.score-time-val{color:#fbbf24;text-shadow:0 0 12px #fbbf2480;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:1.35rem;font-weight:900}.modal-form{flex-direction:column;gap:16px;padding:24px 28px;display:flex}.form-alert-error{color:#fca5a5;background:#ef444426;border:1px solid #ef444466;border-radius:8px;align-items:center;padding:8px 14px;font-size:.85rem;display:flex}.form-row-duo{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:#cbd5e1;font-size:.85rem;font-weight:600}.required-star{color:#f87171}.optional-tag{color:#64748b;font-size:.75rem;font-weight:400}.form-input{color:#f8fafc;background:#0f172acc;border:1px solid #ffffff1f;border-radius:8px;outline:none;padding:10px 14px;font-size:.92rem;transition:all .2s}.form-input:focus{background:#0f172a;border-color:#6366f1;box-shadow:0 0 0 3px #6366f140}.form-input.input-error{background:#ef44440d;border-color:#ef4444}.form-input.input-error:focus{box-shadow:0 0 0 3px #ef444440}.modal-actions-bar{border-top:1px solid #ffffff0f;justify-content:flex-end;align-items:center;gap:12px;margin-top:10px;padding-top:14px;display:flex}.primary-submit-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1 0%,#4f46e5 100%);border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:.92rem;font-weight:600;transition:all .2s;display:inline-flex;box-shadow:0 4px 14px #6366f159}.primary-submit-btn:hover{background:linear-gradient(135deg,#4f46e5 0%,#4338ca 100%);transform:translateY(-2px);box-shadow:0 6px 18px #6366f173}.secondary-btn{color:#94a3b8;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:8px;padding:10px 16px;font-size:.9rem;font-weight:500;transition:all .2s}.secondary-btn:hover{color:#e2e8f0;background:#ffffff1f}.leaderboard-body{flex:1;padding:20px 28px;overflow-y:auto}.submission-success-banner{background:linear-gradient(135deg,#22c55e26,#10b9811a);border:1px solid 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