@import "https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap";:root{--bg-primary:#fff;--bg-secondary:#f0f4f8;--bg-tertiary:#e8eef5;--bg-card:#fffffff2;--bg-glass:#ffffffd9;--bg-glass-hover:#fffffff2;--text-primary:#1e3a5f;--text-secondary:#4a6580;--text-muted:#8a9bb5;--accent-primary:#1e3a5f;--accent-primary-rgb:30, 58, 95;--accent-secondary:#2c4a6e;--accent-secondary-rgb:44, 74, 110;--accent-success:#10b981;--accent-success-rgb:16, 185, 129;--accent-warning:#f59e0b;--accent-danger:#ef4444;--accent-gold:#d4a843;--gradient-primary:linear-gradient(135deg, #1e3a5f 0%, #2c4a6e 100%);--gradient-warm:linear-gradient(135deg, #f59e0b 0%, #d4a843 100%);--gradient-cool:linear-gradient(135deg, #2c4a6e 0%, #3d6b8e 100%);--gradient-bg:linear-gradient(135deg, #fff 0%, #f0f4f8 50%, #e8eef5 100%);--font-family:"Poppins", -apple-system, BlinkMacSystemFont, sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:2rem;--font-size-4xl:2.5rem;--font-size-5xl:3.5rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--border-subtle:1px solid #e0e6ed;--border-glass:1px solid #e0e6ed;--shadow-sm:0 2px 8px #1e3a5f0f;--shadow-md:0 4px 20px #1e3a5f14;--shadow-lg:0 8px 40px #1e3a5f1f;--shadow-glow:0 0 30px #1e3a5f1a;--shadow-card:0 4px 15px #0000000f;--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s ease;--puzzle-max-size:min(90vw, 90vh, 480px)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{font-family:var(--font-family);background:var(--gradient-bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation;background-attachment:fixed}.app-container{width:100%;height:100%;position:relative;overflow:hidden}.screen{width:100%;height:100%;padding:var(--space-6);flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden auto}.brand-header{align-items:center;gap:var(--space-4);padding:var(--space-3) var(--space-5);background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-full);box-shadow:var(--shadow-sm);display:flex}.brand-header .brand-logo{object-fit:contain;width:auto;height:28px}.brand-header .brand-separator{background:#e0e6ed;width:1px;height:24px}.brand-header .brand-logo-sm{object-fit:contain;width:auto;height:44px}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--radius-full);font-family:var(--font-family);font-weight:600;font-size:var(--font-size-base);cursor:pointer;transition:all var(--transition-base);white-space:nowrap;letter-spacing:.3px;text-transform:uppercase;border:none;text-decoration:none;display:inline-flex}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 15px rgba(var(--accent-primary-rgb), .2)}.btn-primary:hover{box-shadow:0 6px 20px rgba(var(--accent-primary-rgb), .3);background:linear-gradient(135deg,#2c4a6e 0%,#3d5a7f 100%);transform:translateY(-2px)scale(1.02)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-glass,.btn-secondary{color:var(--text-primary);background:#fff;border:2px solid #e0e6ed}.btn-glass:hover,.btn-secondary:hover{border-color:var(--accent-primary);box-shadow:0 6px 20px rgba(var(--accent-primary-rgb), .1);background:#f8fafc;transform:translateY(-2px)scale(1.02)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover{color:var(--text-primary);background:#1e3a5f0d}.btn-danger{background:var(--accent-danger);color:#fff}.btn-sm{padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm);text-transform:none}.btn-lg{padding:var(--space-4) var(--space-8);font-size:var(--font-size-lg)}.btn-xl{padding:var(--space-5) var(--space-10);font-size:var(--font-size-xl);font-weight:700}.pulse-glow{animation:2s ease-in-out infinite pulseGlow}@keyframes pulseGlow{0%,to{box-shadow:0 4px 15px rgba(var(--accent-primary-rgb), .2)}50%{box-shadow:0 4px 30px rgba(var(--accent-primary-rgb), .4), 0 0 40px rgba(var(--accent-primary-rgb), .1)}}.start-screen{justify-content:center;padding:40px 60px}.start-content{z-index:1;text-align:left;align-items:center;gap:60px;width:100%;max-width:1200px;display:flex}.left-panel{flex-direction:column;flex:0 0 45%;gap:30px;display:flex}.logo-section{flex-direction:row;align-items:center;gap:20px;display:flex}.jk-logo{width:180px;height:auto}.association{align-items:center;gap:12px;margin-top:10px;display:flex}.association-text{color:var(--text-primary);font-size:13px;line-height:1.4}.association-text strong{font-size:14px;font-weight:600;display:block}.rr-logo{width:160px;height:auto}.main-heading{color:var(--text-primary);text-transform:uppercase;letter-spacing:-.5px;margin:20px 0;font-size:42px;font-weight:700;line-height:1.2}.buttons-container{flex-direction:column;gap:15px;max-width:280px;display:flex}.right-panel{flex:0 0 50%;justify-content:center;align-items:center;display:flex}.puzzle-preview-container{background:#fff;border-radius:20px;width:100%;max-width:550px;padding:8px;overflow:hidden;box-shadow:0 20px 60px #00000026}.puzzle-preview-image{border-radius:12px;width:100%;height:auto;display:block}.decorative-puzzle{opacity:.08;pointer-events:none;position:absolute}.decorative-puzzle-1{border:3px solid var(--accent-primary);border-radius:8px;width:80px;height:80px;top:5%;left:5%}.decorative-puzzle-2{border:3px solid var(--accent-primary);border-radius:8px;width:60px;height:60px;bottom:10%;left:8%;transform:rotate(15deg)}.decorative-puzzle-3{border:3px solid var(--accent-primary);border-radius:8px;width:70px;height:70px;top:15%;right:5%;transform:rotate(-10deg)}.logo-area{align-items:center;gap:var(--space-3);flex-direction:column;display:flex}.puzzle-icon{filter:drop-shadow(0 0 20px rgba(var(--accent-primary-rgb), .3));font-size:4rem}.game-title{font-size:var(--font-size-5xl);background:var(--gradient-primary);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;font-weight:800}.game-subtitle{font-size:var(--font-size-lg);color:var(--text-secondary);font-weight:400}.info-cards{gap:var(--space-4);flex-wrap:wrap;justify-content:center;display:flex}.info-card{align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-full);box-shadow:var(--shadow-sm);display:flex}.info-icon{font-size:var(--font-size-lg)}.info-text{font-size:var(--font-size-sm);color:var(--text-secondary);font-weight:500}.start-actions{align-items:center;gap:var(--space-5);flex-direction:column;display:flex}.secondary-actions{gap:var(--space-3);display:flex}.bg-decoration{pointer-events:none;z-index:0;position:absolute;inset:0;overflow:hidden}.bg-circle{filter:blur(100px);opacity:.06;border-radius:50%;position:absolute}.bg-circle-1{background:var(--accent-primary);width:400px;height:400px;animation:8s ease-in-out infinite float1;top:-100px;right:-100px}.bg-circle-2{background:#3d6b8e;width:300px;height:300px;animation:10s ease-in-out infinite float2;bottom:-50px;left:-50px}.bg-circle-3{background:var(--accent-gold);width:200px;height:200px;animation:12s ease-in-out infinite float3;top:50%;left:60%}@keyframes float1{0%,to{transform:translate(0)}50%{transform:translate(-40px,40px)}}@keyframes float2{0%,to{transform:translate(0)}50%{transform:translate(30px,-30px)}}@keyframes float3{0%,to{transform:translate(0)}50%{transform:translate(-20px,-40px)}}.game-screen{padding-top:var(--space-4);justify-content:flex-start;gap:var(--space-4);background:var(--gradient-bg)}.game-header{align-items:center;gap:var(--space-3);flex-direction:column;width:100%;max-width:500px;display:flex}.game-stats{gap:var(--space-6);display:flex}.stat{align-items:center;gap:var(--space-1);flex-direction:column;display:flex}.stat-label{font-size:var(--font-size-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-weight:500}.stat-value{font-size:var(--font-size-xl);color:var(--text-primary);font-weight:700}.timer-container{align-items:center;gap:var(--space-2);flex-direction:column;width:100%;display:flex}.timer-bar-bg{border-radius:var(--radius-full);background:#1e3a5f1a;width:100%;height:6px;overflow:hidden}.timer-bar-fill{background:var(--gradient-primary);border-radius:var(--radius-full);height:100%;transition:background .3s}.timer-container.urgent .timer-bar-fill{background:var(--accent-warning)}.timer-container.critical .timer-bar-fill{background:var(--accent-danger)}.timer-display{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-5);background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-full);box-shadow:var(--shadow-sm);display:flex}.timer-container.urgent .timer-display{border-color:#f59e0b66}.timer-container.critical .timer-display{background:#ef444414;border-color:#ef444466}.timer-icon{font-size:var(--font-size-lg)}.timer-text{font-size:var(--font-size-2xl);font-variant-numeric:tabular-nums;text-align:center;min-width:2.5ch;color:var(--text-primary);font-weight:700}.timer-container.critical .timer-text{color:var(--accent-danger)}.game-body{align-items:center;gap:var(--space-4);flex-direction:column;flex:1;justify-content:center;display:flex}.puzzle-wrapper{position:relative}.puzzle-board{width:var(--puzzle-max-size);height:var(--puzzle-max-size);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:#1e3a5f08;border:2px solid #1e3a5f1a;gap:4px;padding:4px;display:grid}.puzzle-tile{border-radius:var(--radius-sm);cursor:grab;transition:border-color var(--transition-fast);border:2px solid #0000;position:relative;overflow:hidden}.puzzle-tile:active{cursor:grabbing}.puzzle-tile.selected{border-color:var(--accent-primary);box-shadow:0 0 20px rgba(var(--accent-primary-rgb), .3)!important}.puzzle-tile.correct{border-color:var(--accent-success)}.puzzle-tile.dragging{border:2px dashed rgba(var(--accent-primary-rgb), .4);background-blend-mode:luminosity;filter:grayscale(.5);cursor:grabbing;opacity:.3!important}.puzzle-tile.drop-target{animation:.8s ease-in-out infinite dropTargetPulse;border-color:var(--accent-primary)!important}@keyframes dropTargetPulse{0%,to{box-shadow:0 0 15px rgba(var(--accent-primary-rgb), .2), inset 0 0 10px rgba(var(--accent-primary-rgb), .03)}50%{box-shadow:0 0 30px rgba(var(--accent-primary-rgb), .35), inset 0 0 20px rgba(var(--accent-primary-rgb), .06)}}.tile-drop-indicator{border:2px solid var(--accent-primary);border-radius:var(--radius-sm);pointer-events:none;animation:.6s ease-in-out infinite dropIndicatorPulse;position:absolute;inset:-2px}@keyframes dropIndicatorPulse{0%,to{opacity:.5}50%{opacity:1}}.tile-correct-indicator{background:var(--accent-success);color:#fff;width:20px;height:20px;box-shadow:0 2px 8px rgba(var(--accent-success-rgb), .4);border-radius:50%;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex;position:absolute;top:4px;right:4px}.reference-btn{margin-top:var(--space-2)}.reference-overlay{z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#1e3a5fd9;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.reference-image{border-radius:var(--radius-lg);max-width:min(90vw,400px);max-height:min(90vh,400px);box-shadow:var(--shadow-lg)}.game-footer{padding:var(--space-3)}.hint-text{font-size:var(--font-size-sm);color:var(--text-muted);text-align:center}.loading-spinner{align-items:center;gap:var(--space-4);flex-direction:column;display:flex}.spinner{font-size:3rem}.loading-spinner p{color:var(--text-secondary)}.success-content{align-items:center;gap:var(--space-6);text-align:center;flex-direction:column;max-width:480px;display:flex}.success-trophy{filter:drop-shadow(0 0 30px rgba(var(--accent-primary-rgb), .2));font-size:5rem}.success-title{font-size:var(--font-size-4xl);background:linear-gradient(135deg,#1e3a5f,#2c4a6e,#3d6b8e);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.result-cards{gap:var(--space-4);justify-content:center;display:flex}.result-card{align-items:center;gap:var(--space-2);padding:var(--space-5) var(--space-8);background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);flex-direction:column;min-width:120px;display:flex}.result-icon{font-size:var(--font-size-2xl)}.result-value{font-size:var(--font-size-3xl);color:var(--text-primary);font-weight:800}.result-label{font-size:var(--font-size-sm);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.success-actions{align-items:center;gap:var(--space-3);flex-direction:column;width:100%;display:flex}.score-saved{padding:var(--space-4)}.saved-msg{font-size:var(--font-size-lg);color:var(--accent-success);font-weight:600}.timeup-content{align-items:center;gap:var(--space-6);text-align:center;flex-direction:column;display:flex}.timeup-icon{filter:drop-shadow(0 0 20px #f59e0b40);font-size:5rem}.timeup-title{font-size:var(--font-size-4xl);background:var(--gradient-warm);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.timeup-subtitle{font-size:var(--font-size-lg);color:var(--text-secondary)}.timeup-actions{align-items:center;gap:var(--space-3);flex-direction:column;display:flex}.leaderboard-content{align-items:center;gap:var(--space-6);flex-direction:column;width:100%;max-width:600px;display:flex}.leaderboard-header{text-align:center;align-items:center;gap:var(--space-3);flex-direction:column;display:flex}.leaderboard-title{font-size:var(--font-size-3xl);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.leaderboard-subtitle{font-size:var(--font-size-base);color:var(--text-muted);margin-top:var(--space-1)}.empty-leaderboard{align-items:center;gap:var(--space-4);padding:var(--space-10);color:var(--text-muted);flex-direction:column;display:flex}.empty-icon{opacity:.5;font-size:3rem}.leaderboard-table{background:var(--bg-card);border-radius:var(--radius-lg);border:var(--border-subtle);width:100%;box-shadow:var(--shadow-card);flex-direction:column;gap:2px;display:flex;overflow:hidden}.table-header,.table-row{padding:var(--space-3) var(--space-4);align-items:center;gap:var(--space-2);grid-template-columns:60px 1fr 70px 70px 80px;display:grid}.table-header{background:var(--accent-primary);font-size:var(--font-size-xs);color:#ffffffe6;text-transform:uppercase;letter-spacing:.06em;font-weight:600}.table-row{font-size:var(--font-size-sm);color:var(--text-primary);transition:background var(--transition-fast);background:#fff}.table-row:hover{background:#f8fafc}.table-row.top-three{background:#1e3a5f0a}.rank-badge{font-size:var(--font-size-lg);text-align:center;font-weight:700}.col-name{text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.col-time{color:var(--accent-primary);text-align:center;font-weight:600}.col-moves{text-align:center;color:var(--text-secondary)}.col-date{text-align:right;color:var(--text-muted);font-size:var(--font-size-xs)}.leaderboard-actions{gap:var(--space-3);align-items:center;display:flex}.admin-screen{padding-top:var(--space-8);justify-content:flex-start}.admin-content{align-items:center;gap:var(--space-6);flex-direction:column;width:100%;max-width:500px;display:flex}.admin-header{text-align:center}.admin-title{font-size:var(--font-size-3xl);color:var(--text-primary);font-weight:800}.admin-subtitle{color:var(--text-muted);margin-top:var(--space-1)}.admin-sections{gap:var(--space-5);flex-direction:column;width:100%;display:flex}.admin-section{background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-card)}.section-title{font-size:var(--font-size-base);margin-bottom:var(--space-4);color:var(--text-primary);font-weight:600}.image-upload-area{align-items:center;gap:var(--space-3);flex-direction:column;display:flex}.upload-placeholder{width:100%;padding:var(--space-8);border-radius:var(--radius-md);align-items:center;gap:var(--space-2);cursor:pointer;transition:border-color var(--transition-base);color:var(--text-muted);border:2px dashed #1e3a5f33;flex-direction:column;display:flex}.upload-placeholder:hover{border-color:var(--accent-primary)}.upload-icon{font-size:2rem}.upload-hint{font-size:var(--font-size-xs);color:var(--text-muted)}.image-preview-container{align-items:center;gap:var(--space-3);flex-direction:column;display:flex}.image-preview{border-radius:var(--radius-md);object-fit:cover;border:var(--border-subtle);max-width:200px;max-height:200px}.slider-group{align-items:center;gap:var(--space-4);display:flex}.config-slider{appearance:none;border-radius:var(--radius-full);background:#1e3a5f1f;outline:none;flex:1;height:6px}.config-slider::-webkit-slider-thumb{appearance:none;background:var(--gradient-primary);cursor:pointer;width:22px;height:22px;box-shadow:0 2px 8px rgba(var(--accent-primary-rgb), .3);border-radius:50%}.config-slider::-moz-range-thumb{background:var(--gradient-primary);cursor:pointer;width:22px;height:22px;box-shadow:0 2px 8px rgba(var(--accent-primary-rgb), .3);border:none;border-radius:50%}.slider-value{font-size:var(--font-size-xl);text-align:center;min-width:4ch;color:var(--accent-primary);font-weight:700}.grid-size-options{gap:var(--space-3);display:flex}.grid-option{padding:var(--space-3) var(--space-5);border-radius:var(--radius-md);color:var(--text-secondary);font-family:var(--font-family);font-size:var(--font-size-base);cursor:pointer;transition:all var(--transition-base);background:0 0;border:2px solid #e0e6ed;font-weight:600}.grid-option.active{border-color:var(--accent-primary);background:rgba(var(--accent-primary-rgb), .08);color:var(--text-primary);box-shadow:0 0 15px rgba(var(--accent-primary-rgb), .1)}.grid-option:hover:not(.active){border-color:var(--accent-primary);background:rgba(var(--accent-primary-rgb), .03)}.admin-save{justify-content:center;display:flex}.danger-zone{border-color:#ef44444d}.danger-zone .section-title{color:var(--accent-danger)}.confirm-reset{gap:var(--space-3);flex-direction:column;display:flex}.confirm-reset p{color:var(--text-secondary);font-size:var(--font-size-sm)}.confirm-actions{gap:var(--space-3);display:flex}.admin-actions{padding-top:var(--space-4)}.user-info-form{gap:var(--space-4);flex-direction:column;width:100%;max-width:360px;display:flex}.form-title{font-size:var(--font-size-lg);text-align:center;color:var(--text-primary);font-weight:600}.form-group{gap:var(--space-1);flex-direction:column;display:flex}.form-group label{font-size:var(--font-size-sm);color:var(--text-muted);font-weight:500}.form-group input{padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-size-base);transition:border-color var(--transition-fast);background:#fff;border:1px solid #e0e6ed;outline:none}.form-group input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px rgba(var(--accent-primary-rgb), .1)}.form-group input::placeholder{color:var(--text-muted)}@media (width<=968px){.start-screen{padding:30px}.start-content{flex-direction:column;gap:40px}.left-panel,.right-panel{flex:0 0 100%;width:100%}.left-panel{text-align:center;align-items:center}.main-heading{font-size:32px}.buttons-container{align-items:center;max-width:100%}.puzzle-preview-container{max-width:100%}}@media (width<=480px){:root{--puzzle-max-size:min(92vw, 92vh, 380px)}.main-heading{font-size:26px}.jk-logo{width:150px}.game-title{font-size:var(--font-size-4xl)}.btn{padding:14px 24px;font-size:14px}.table-header,.table-row{padding:var(--space-2) var(--space-3);font-size:var(--font-size-xs);grid-template-columns:50px 1fr 60px 55px 65px}.result-card{padding:var(--space-4) var(--space-5);min-width:100px}.result-value{font-size:var(--font-size-2xl)}}@media (width>=768px){.screen{padding:var(--space-8)}.start-screen{padding:40px 60px}}@media (width>=1024px){:root{--puzzle-max-size:min(75vh, 520px)}.game-screen{padding-top:var(--space-6)}}@media (width>=1200px) and (height>=900px){:root{--puzzle-max-size:min(70vh, 600px)}.game-title{font-size:4rem}.puzzle-icon{font-size:5rem}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:#1e3a5f26}::-webkit-scrollbar-thumb:hover{background:#1e3a5f40}@media (width>=2560px){:root{--font-size-xs:1.125rem;--font-size-sm:1.25rem;--font-size-base:1.5rem;--font-size-lg:1.75rem;--font-size-xl:2rem;--font-size-2xl:2.25rem;--font-size-3xl:3rem;--font-size-4xl:3.75rem;--font-size-5xl:5.25rem;--space-1:.375rem;--space-2:.75rem;--space-3:1.125rem;--space-4:1.5rem;--space-5:1.875rem;--space-6:2.25rem;--space-8:3rem;--space-10:3.75rem;--space-12:4.5rem;--puzzle-max-size:min(70vh, 1200px)}.jk-logo{width:270px}.rr-logo{width:240px}.main-heading{font-size:64px}.puzzle-preview-container{max-width:800px}.success-trophy{font-size:8rem}.result-card{min-width:180px;padding:var(--space-5) var(--space-8)}.timeup-icon{font-size:8rem}.empty-icon{font-size:5rem}}