.App{text-align:center;width:100%;margin:0;padding:0;position:relative;animation:fadeIn .8s ease-out}.sticky-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:#1a1a2e;box-shadow:0 4px 20px #00000026;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.1);width:100%}.logo h1{margin:0;color:#fff;font-size:1.8rem;font-weight:700;text-shadow:0 2px 4px rgba(0,0,0,.5)}.home-section,.methods-section,.badges-section,.support-section{padding:4rem 2rem;margin:0;background:#fff;color:#333;text-align:center}.home-section{padding-top:6rem;min-height:100vh;display:flex;align-items:center;justify-content:center}.hero-content{max-width:1200px;margin:0 auto;width:100%}.hero-header{margin-bottom:4rem}.hero-header h1{font-size:5rem;margin-bottom:2rem;font-weight:900;color:#6366f1;text-shadow:0 4px 8px rgba(0,0,0,.1);line-height:1.1;letter-spacing:-.02em}.hero-subtitle{font-size:1.8rem;margin-bottom:0;color:#333;line-height:1.4;font-weight:600;letter-spacing:.1em}.hero-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:4rem}.feature-card{background:#fff;border:3px solid #e0e7ff;border-radius:20px;padding:2.5rem 2rem;text-align:center;transition:all .3s ease;box-shadow:0 8px 32px #6366f11a;color:#333}.feature-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px #6366f133;border-color:#6366f1}.feature-icon{font-size:3rem;margin-bottom:1.5rem;display:block}.feature-card h3{font-size:1.5rem;margin-bottom:1rem;font-weight:600;color:#6366f1}.feature-card p{font-size:1.1rem;line-height:1.6;color:#666;margin:0}.hero-cta{background:#f8fafc;border:3px solid #c7d2fe;border-radius:20px;padding:3rem 2rem;box-shadow:0 8px 32px #6366f11a;color:#333}.hero-cta h2{font-size:3rem;margin-bottom:1.5rem;font-weight:800;color:#6366f1;letter-spacing:.05em;line-height:1.2}.hero-cta p{font-size:1.2rem;margin-bottom:2.5rem;color:#666;line-height:1.6}.cta-buttons{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap}.cta-button{padding:1.5rem 3rem;border:none;border-radius:8px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-flex;align-items:center;gap:.5rem;min-width:250px;justify-content:center;text-transform:uppercase;letter-spacing:.1em}.cta-button.red{background:#ef4444;color:#fff;box-shadow:0 6px 20px #ef44444d}.cta-button.red:hover{transform:translateY(-3px);box-shadow:0 10px 30px #ef444466;background:#dc2626}.cta-button.blue{background:#3b82f6;color:#fff;box-shadow:0 6px 20px #3b82f64d}.cta-button.blue:hover{transform:translateY(-3px);box-shadow:0 10px 30px #3b82f666;background:#2563eb}.cta-button.green{background:#10b981;color:#fff;box-shadow:0 6px 20px #10b9814d}.cta-button.green:hover{transform:translateY(-3px);box-shadow:0 10px 30px #10b98166;background:#059669}.cta-button.orange{background:#f97316;color:#fff;box-shadow:0 6px 20px #f973164d}.cta-button.orange:hover{transform:translateY(-3px);box-shadow:0 10px 30px #f9731666;background:#ea580c}.cta-button.yellow{background:#eab308;color:#333;box-shadow:0 6px 20px #eab3084d}.cta-button.yellow:hover{transform:translateY(-3px);box-shadow:0 10px 30px #eab30866;background:#ca8a04}.cta-button.white{background:#fff;color:#333;border:2px solid #6366f1;box-shadow:0 6px 20px #6366f133}.cta-button.white:hover{transform:translateY(-3px);box-shadow:0 10px 30px #6366f14d;background:#f8fafc}.history-section{padding:6rem 2rem;background:linear-gradient(135deg,#fef3c7,#fde68a);text-align:center;color:#333}.history-content{max-width:800px;margin:0 auto}.history-content h2{font-size:3rem;margin-bottom:2rem;font-weight:800;color:#6366f1;letter-spacing:.05em;line-height:1.2}.history-content p{font-size:1.3rem;margin-bottom:3rem;color:#333;line-height:1.6;font-weight:500}.community-section{padding:6rem 2rem;background:linear-gradient(135deg,#10b981,#059669);text-align:center;color:#fff}.community-content{max-width:800px;margin:0 auto}.community-content h2{font-size:3rem;margin-bottom:3rem;font-weight:800;color:#fff;letter-spacing:.05em;line-height:1.2}.social-links{display:flex;gap:2rem;justify-content:center;flex-wrap:wrap}.social-button{padding:1rem 2rem;background:#fff3;color:#fff;border:2px solid rgba(255,255,255,.3);border-radius:8px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:.1em}.social-button:hover{background:#ffffff4d;transform:translateY(-2px);box-shadow:0 8px 20px #0003}.methods-section .methods-header{text-align:center;margin-bottom:3rem}.methods-section .methods-header h2{font-size:2.5rem;margin-bottom:1rem;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.methods-section .methods-header p{font-size:1.2rem;color:#ffffffe6;margin-bottom:2rem}.badges-section h3{text-align:center;font-size:2.2rem;margin-bottom:2rem;color:#ffc107;text-shadow:1px 1px 2px rgba(0,0,0,.3)}.support-section h2{text-align:center;font-size:2.2rem;margin-bottom:2rem;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.3)}html{scroll-behavior:smooth}@media (max-width: 768px){.header-content{padding:1rem;flex-direction:column;gap:1rem}.logo h1{font-size:1.5rem}.main-nav{gap:1rem;flex-wrap:wrap;justify-content:center}.nav-link{padding:.5rem 1rem;font-size:.9rem}.home-section,.methods-section,.badges-section,.support-section{padding:2rem 1rem}.hero-header h1{font-size:3rem}.hero-subtitle{font-size:1.4rem}.history-content h2,.community-content h2{font-size:2rem}.hero-features{grid-template-columns:1fr;gap:1.5rem}.feature-card{padding:2rem 1.5rem}.cta-buttons{flex-direction:column;align-items:center}.cta-button{width:100%;max-width:300px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card{background:#ffffff1a;padding:2rem;border-radius:15px;margin:2rem 0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);color:#fff}.card button{background:linear-gradient(45deg,#ff6b6b,#ee5a24);border:none;padding:1rem 2rem;font-size:1.1rem;color:#fff;border-radius:50px;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);font-weight:600;box-shadow:0 4px 15px #0003;position:relative;overflow:hidden}.card button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.card button:hover:before{left:100%}.card button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.card p{margin-top:1rem;font-size:.9rem;opacity:.8}code{background:#fff3;padding:.2rem .5rem;border-radius:4px;font-family:Courier New,monospace}.ticket-form{margin:2rem 0;background:#ffffff1a;padding:2rem;border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);text-align:left;color:#fff}.ticket-form h2{text-align:center;margin-bottom:1.5rem;font-size:1.8rem}.tickets-list{margin:2rem 0;background:#ffffff1a;padding:2rem;border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);text-align:left;color:#fff}.tickets-list h2{text-align:center;margin-bottom:1.5rem;font-size:1.8rem}.ticket h3{margin:0 0 1rem;color:#fff;font-size:1.2rem}.methods-section{margin:2rem 0;text-align:left;color:#fff}.methods-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2rem;gap:1rem}.methods-section h2{text-align:center;margin-bottom:1rem;color:#fff;font-size:2.2rem;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.methods-section>p{text-align:center;color:#ffffffe6;margin-bottom:2rem;font-size:1.1rem}.loading{text-align:center;padding:2rem;color:#fffc;font-size:1.1rem}.skeleton-card{background:linear-gradient(145deg,#fff,#f0f0f0);border-radius:18px;padding:25px;box-shadow:0 8px 25px #0000001a;animation:skeleton-pulse 1.5s ease-in-out infinite}@keyframes skeleton-pulse{0%{opacity:1}50%{opacity:.6}to{opacity:1}}.skeleton-line{height:16px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s infinite;border-radius:4px;margin-bottom:12px}.skeleton-line.short{width:60%}.skeleton-line.medium{width:80%}.skeleton-line.long{width:100%}@keyframes skeleton-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.badges-section{margin-top:2rem;padding:1.5rem;color:#fff}.badges-section h3{text-align:center;margin-bottom:2rem;color:#ffc107;font-size:1.5rem;text-shadow:1px 1px 2px rgba(0,0,0,.3)}@media (max-width: 768px){.methods-section{margin:1rem 0;padding:1rem}.methods-header{flex-direction:column;align-items:stretch;gap:1rem}.methods-header>div{text-align:center}.reset-button{align-self:center;padding:.7rem 1.2rem;font-size:.85rem}.methods-section h2{font-size:1.8rem}.methods-grid{grid-template-columns:1fr;gap:1rem}.badges-grid{grid-template-columns:1fr}.badge-item{padding:.8rem}.badge-icon{font-size:1.5rem;width:40px;height:40px}.badge-category{margin-bottom:1.5rem}.category-title{font-size:1rem;margin-bottom:.8rem}.empty-category{padding:1.5rem}.empty-icon{font-size:1.5rem}.badge-progress{margin-top:.25rem}.progress-text{font-size:.7rem}.badge-earned{padding:.2rem .4rem}.earned-text{font-size:.75rem}.achievement-notification{top:10px;right:10px;left:10px}.notification-content{max-width:none;padding:15px}.notification-header h3{font-size:1.1em}.notification-badge{padding:10px}.notification-badge .badge-icon{font-size:1.2em;width:35px;height:35px}}.reset-modal{max-width:500px}.reset-confirm-btn{background:linear-gradient(135deg,#f44336,#d32f2f);color:#fff;box-shadow:0 2px 8px #f443364d;font-weight:600;padding:12px 24px;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease;font-size:.95em;display:flex;align-items:center;gap:8px}@media (max-width: 768px){.reset-modal{margin:10px;max-width:calc(100vw - 20px)}.warning-icon{font-size:1.5rem;width:40px;height:40px}.reset-details{padding:1rem}.reset-list li{font-size:.9rem}.warning-footer{padding:.8rem}.warning-text{font-size:.85rem}}.methods-page{min-height:100vh;background:linear-gradient(135deg,#3b82f6,#2563eb);width:100%;margin:0;padding:0}.methods-page .methods-section{width:100%;margin:0;padding:6rem 2rem 4rem;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:0;border:none;box-shadow:none}.sticky-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:#1a1a2e;box-shadow:0 4px 20px #00000026;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.2);width:100%}.methods-section{color:#fff;text-align:left}.methods-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:3rem;gap:1rem}.methods-header>div{flex:1}.methods-header h2{font-size:2.5rem;margin-bottom:1rem;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.methods-header p{font-size:1.2rem;color:#ffffffe6;margin-bottom:2rem}.reset-button{background:linear-gradient(45deg,#ff6b6b,#ee5a24);border:none;padding:.8rem 1.5rem;font-size:.9rem;color:#fff;border-radius:25px;cursor:pointer;transition:all .3s ease;font-weight:600;box-shadow:0 4px 15px #0003;white-space:nowrap;flex-shrink:0}.reset-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #0000004d;background:linear-gradient(45deg,#ff5252,#d32f2f)}.reset-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.methods-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:1.5rem;margin-bottom:2rem}.achievement-notification{position:fixed;top:20px;right:20px;z-index:2000;animation:slideInRight .5s ease-out}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.notification-content{background:linear-gradient(135deg,#4caf50,#45a049);border-radius:12px;padding:20px;box-shadow:0 10px 30px #0000004d;color:#fff;max-width:400px;position:relative;overflow:hidden}.notification-content:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent,rgba(255,255,255,.1),transparent);animation:shimmer 2s infinite}.notification-header{display:flex;align-items:center;gap:12px;margin-bottom:15px;position:relative;z-index:1}.notification-icon{font-size:1.5em;animation:bounce 1s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}.notification-header h3{margin:0;font-size:1.3em;font-weight:700;flex:1}.notification-close{background:#fff3;border:none;color:#fff;font-size:1.5em;cursor:pointer;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.notification-close:hover{background:#ffffff4d;transform:scale(1.1)}.notification-badges{display:flex;flex-direction:column;gap:10px;position:relative;z-index:1}.notification-badge{display:flex;align-items:center;gap:12px;background:#ffffff26;padding:12px;border-radius:8px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}.notification-badge .badge-icon{font-size:1.5em;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#fff3;border-radius:50%;flex-shrink:0}.notification-badge .badge-info h4{margin:0 0 4px;font-size:1em;font-weight:600}.notification-badge .badge-info p{margin:0;font-size:.85em;opacity:.9;line-height:1.3}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:3000;padding:20px}.modal-content{background:#fff;border-radius:15px;box-shadow:0 20px 60px #0000004d;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-50px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;padding:25px 25px 0;border-bottom:1px solid #e0e0e0;margin-bottom:20px}.modal-title-section{display:flex;align-items:center;gap:15px;flex:1}.warning-icon{font-size:2rem;width:50px;height:50px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff9800,#f57c00);border-radius:50%;box-shadow:0 4px 15px #ff98004d;animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.modal-title-section h2{margin:0;color:#333;font-size:1.5rem;font-weight:700}.modal-subtitle{margin:5px 0 0;color:#666;font-size:.9rem}.close-btn{background:none;border:none;font-size:1.5rem;color:#999;cursor:pointer;padding:5px;border-radius:50%;width:35px;height:35px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.close-btn:hover{background:#f5f5f5;color:#333}.modal-body{padding:0 25px 20px}.warning-content{text-align:center}.warning-message{margin-bottom:2rem}.warning-message p{font-size:1.1rem;color:#333;font-weight:500;margin:0}.reset-details{background:linear-gradient(135deg,#fff3e0,#ffe0b2);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;border:1px solid #ffcc02}.reset-details h4{margin:0 0 1rem;color:#e65100;font-size:1.1rem;font-weight:600}.reset-list{list-style:none;padding:0;margin:0;text-align:left}.reset-list li{color:#d84315;font-weight:500;position:relative;padding:.5rem 0 .5rem 1.5rem}.reset-list li:before{content:"•";color:#ff5722;font-weight:700;position:absolute;left:0;font-size:1.2em}.warning-footer{background:linear-gradient(135deg,#ffebee,#ffcdd2);border-radius:8px;padding:1rem;border:1px solid #f44336}.warning-text{color:#d32f2f;font-weight:600;font-size:.95rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.modal-actions{display:flex;gap:15px;padding:20px 25px 25px;border-top:1px solid #e0e0e0}.cancel-btn{flex:1;padding:12px 24px;border:2px solid #ddd;background:#fff;color:#666;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .3s ease}.cancel-btn:hover:not(:disabled){background:#f5f5f5;border-color:#bbb;color:#333}.reset-confirm-btn{background:linear-gradient(135deg,#f44336,#d32f2f);color:#fff;box-shadow:0 2px 8px #f443364d;font-weight:600;padding:12px 24px;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease;font-size:.95em;display:flex;align-items:center;gap:8px;flex:1}.reset-confirm-btn:hover:not(:disabled){background:linear-gradient(135deg,#d32f2f,#b71c1c);transform:translateY(-1px);box-shadow:0 4px 12px #f4433666}.reset-confirm-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.loading-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}@media (max-width: 768px){.header-content{padding:1rem;flex-direction:column;gap:1rem}.logo h1{font-size:1.5rem}.main-nav{gap:1rem;flex-wrap:wrap;justify-content:center}.nav-link{padding:.5rem 1rem;font-size:.9rem}.methods-container{padding:2rem 1rem}.methods-container h1{font-size:2.5rem}.methods-container p{font-size:1.1rem}}.method-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px #0000001a;transition:all .4s cubic-bezier(.4,0,.2,1);border:2px solid transparent;position:relative;overflow:hidden;transform:translateY(0);opacity:1;animation:cardSlideIn .6s ease-out}@keyframes cardSlideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.method-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 8px 25px #00000026;border-color:#2196f34d}.method-card.mastered{border-color:#4caf50;background:linear-gradient(135deg,#f8fff8,#fff)}.method-card.mastered:before{content:"🏆";position:absolute;top:10px;right:10px;font-size:20px}.method-header{display:flex;align-items:flex-start;gap:15px;margin-bottom:20px}.method-icon{font-size:36px;width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:#0000000d;border-radius:50%;flex-shrink:0;box-shadow:0 2px 8px #0000001a;transition:transform .3s ease}.method-card:hover .method-icon{transform:scale(1.05)}.method-info{flex:1;min-width:0}.method-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:12px}.method-info h3{margin:0;font-size:1.5em;color:#333;font-weight:700;flex:1;min-width:0}.status-badge{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:20px;color:#fff;font-size:.8em;font-weight:600;text-transform:uppercase;letter-spacing:.5px;box-shadow:0 2px 4px #0003;flex-shrink:0}.status-icon{font-size:.9em}.method-subtitle{margin:0 0 12px;color:#666;font-size:.95em;font-weight:500}.difficulty-row{margin-bottom:8px}.difficulty{display:flex;align-items:center;gap:8px;font-size:.9em}.difficulty-label{color:#666;font-weight:500}.difficulty-stars{color:#ffc107;font-size:1.1em}.difficulty-text{color:#333;font-weight:600;text-transform:uppercase;font-size:.8em;letter-spacing:.5px}.method-description{margin-bottom:20px}.method-description p{margin:0;color:#555;line-height:1.5;font-size:.95em}.method-progress{margin-bottom:20px}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.progress-info{display:flex;align-items:center;gap:12px}.progress-text{font-weight:600;color:#333;font-size:.95em}.progress-percentage{font-weight:700;color:#666;font-size:.9em;background:#0000000d;padding:2px 8px;border-radius:12px}.progress-status{display:flex;align-items:center;gap:6px}.status-icon-small{font-size:.9em}.status-text-small{font-weight:600;font-size:.8em;text-transform:uppercase;letter-spacing:.5px}.progress-bar-container{position:relative}.progress-bar{width:100%;height:10px;background:#e0e0e0;border-radius:5px;overflow:hidden;box-shadow:inset 0 1px 3px #0000001a}.progress-fill{height:100%;transition:width .6s cubic-bezier(.4,0,.2,1);border-radius:5px;position:relative;overflow:hidden}.progress-fill:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.progress-steps{display:flex;gap:4px;margin-top:8px;justify-content:center}.progress-step{width:8px;height:8px;border-radius:50%;transition:all .3s ease;box-shadow:0 1px 2px #0000001a}.progress-step.completed{transform:scale(1.2);box-shadow:0 2px 4px #0003}.method-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-bottom:20px;padding:16px;background:linear-gradient(135deg,#f8f9fa,#fff);border-radius:12px;border:1px solid rgba(0,0,0,.05)}.stat-item{display:flex;align-items:center;gap:10px;padding:8px;background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;transition:transform .2s ease}.stat-item:hover{transform:translateY(-1px);box-shadow:0 2px 6px #00000026}.stat-icon{font-size:1.2em;width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:#0000000d;border-radius:50%;flex-shrink:0}.stat-content{display:flex;flex-direction:column;min-width:0}.stat-label{color:#666;font-weight:500;font-size:.8em;text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}.stat-value{color:#333;font-weight:700;font-size:.9em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.method-actions{margin-top:15px;display:flex;gap:10px;flex-wrap:wrap}.learn-btn{flex:1;padding:12px 20px;border:none;border-radius:8px;font-weight:600;font-size:.95em;cursor:pointer;transition:all .3s ease;background:linear-gradient(135deg,#ff9800,#f57c00);color:#fff;display:flex;align-items:center;justify-content:center;gap:8px}.learn-btn:hover{background:linear-gradient(135deg,#f57c00,#ef6c00);transform:translateY(-2px);box-shadow:0 4px 12px #ff98004d}.update-progress-btn{flex:1;padding:12px 20px;border:none;border-radius:8px;font-weight:600;font-size:.95em;cursor:pointer;transition:all .3s ease;background:#2196f3;color:#fff}.update-progress-btn:hover{background:#1976d2;transform:translateY(-1px)}.update-progress-btn.mastered{background:#4caf50}.update-progress-btn.mastered:hover{background:#388e3c}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:#fff;border-radius:16px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d;animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:25px 30px;border-bottom:1px solid #E0E0E0;background:linear-gradient(135deg,#f8f9fa,#fff);border-radius:16px 16px 0 0}.modal-title-section{display:flex;align-items:center;gap:15px}.method-icon-small{font-size:24px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#0000000d;border-radius:50%;box-shadow:0 2px 8px #0000001a}.modal-header h2{margin:0 0 4px;color:#333;font-size:1.4em;font-weight:700}.modal-subtitle{margin:0;color:#666;font-size:.9em;font-weight:500}.close-btn{background:none;border:none;font-size:24px;cursor:pointer;color:#666;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.close-btn:hover{background:#f0f0f0;color:#333;transform:scale(1.1)}.modal-body{padding:30px}.progress-overview{background:linear-gradient(135deg,#e3f2fd,#f8f9fa);border-radius:12px;padding:20px;margin-bottom:25px;border:1px solid #e1f5fe}.progress-message{display:flex;align-items:center;gap:12px;margin-bottom:15px}.progress-icon{font-size:1.2em}.progress-message p{margin:0;color:#333;font-weight:500;font-size:1em}.progress-preview{display:flex;align-items:center;gap:15px}.progress-bar-small{flex:1;height:8px;background:#e0e0e0;border-radius:4px;overflow:hidden;box-shadow:inset 0 1px 3px #0000001a}.progress-fill-small{height:100%;transition:width .3s ease;border-radius:4px}.progress-stats{display:flex;flex-direction:column;gap:4px;align-items:flex-end;min-width:0}.progress-text-small{font-weight:600;color:#666;font-size:.9em;white-space:nowrap}.progress-solves-small{font-weight:500;color:#999;font-size:.8em;white-space:nowrap}.form-section{display:flex;flex-direction:column;gap:25px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{display:flex;align-items:center;gap:8px;font-weight:600;color:#333;font-size:.95em}.label-icon{font-size:1.1em}.label-required{color:#f44336;font-weight:700}.input-with-stepper{display:flex;align-items:center;gap:0;border:2px solid #E0E0E0;border-radius:8px;overflow:hidden;transition:border-color .3s ease}.input-with-stepper:focus-within{border-color:#2196f3}.stepper-btn{background:#f5f5f5;border:none;padding:12px 16px;cursor:pointer;font-size:1.2em;font-weight:600;color:#666;transition:all .2s ease;display:flex;align-items:center;justify-content:center;min-width:44px}.stepper-btn:hover:not(:disabled){background:#e0e0e0;color:#333}.stepper-btn:disabled{opacity:.5;cursor:not-allowed}.stepper-input-container{flex:1;display:flex;flex-direction:column;position:relative}.input-with-stepper input{border:none;padding:12px 16px;font-size:1em;text-align:center;min-width:0;background:#fff;width:100%;box-sizing:border-box}.input-with-stepper input:focus{outline:none}.stepper-total{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.9em;color:#666;font-weight:600;background:#fffffff2;padding:4px 8px;border-radius:6px;white-space:nowrap;pointer-events:none;z-index:1;box-shadow:0 1px 3px #0000001a}.stepper-breakdown{font-size:.7em;color:#999;margin-left:2px}.form-group input[type=text]{width:100%;padding:12px 16px;border:2px solid #E0E0E0;border-radius:8px;font-size:1em;transition:border-color .3s ease;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#2196f3}.form-group input.error{border-color:#f44336;background:#ffebee}.input-help{display:flex;flex-direction:column;gap:4px;font-size:.85em}.input-help span:first-child{color:#666}.step-description{font-weight:500;color:#333}.total-display{font-weight:600;color:#2196f3;background:#2196f31a;padding:4px 8px;border-radius:6px;font-size:.85em;margin-top:4px;display:inline-block}.breakdown{font-weight:400;color:#666;font-size:.8em;margin-left:4px}.error-text{color:#f44336;font-weight:500}.modal-actions{display:flex;gap:15px;padding:25px 30px;border-top:1px solid #E0E0E0;justify-content:flex-end;background:#fafafa;border-radius:0 0 16px 16px}.cancel-btn,.save-btn{padding:12px 24px;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:.95em;display:flex;align-items:center;gap:8px}.cancel-btn{background:#f5f5f5;color:#666;border:1px solid #E0E0E0}.cancel-btn:hover:not(:disabled){background:#e0e0e0;transform:translateY(-1px)}.save-btn{background:linear-gradient(135deg,#4caf50,#45a049);color:#fff;box-shadow:0 2px 8px #4caf504d}.save-btn:hover:not(:disabled){background:linear-gradient(135deg,#45a049,#388e3c);transform:translateY(-1px);box-shadow:0 4px 12px #4caf5066}.save-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.loading-spinner{width:16px;height:16px;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin 1s linear infinite}@media (max-width: 768px){.method-card{padding:15px}.method-header{gap:12px}.method-icon{font-size:28px;width:45px;height:45px}.method-title-row{flex-direction:column;align-items:flex-start;gap:8px}.status-badge{align-self:flex-start;font-size:.75em;padding:4px 8px}.method-info h3{font-size:1.3em}.method-stats{grid-template-columns:1fr;gap:8px;padding:12px}.stat-item{padding:6px}.progress-steps{gap:3px}.progress-step{width:6px;height:6px}.modal-content{margin:10px;max-height:95vh;max-width:calc(100vw - 20px)}.modal-header{padding:20px;flex-direction:column;align-items:flex-start;gap:15px}.modal-title-section{width:100%;justify-content:space-between}.modal-body{padding:20px}.progress-overview{padding:15px}.progress-preview{flex-direction:column;gap:10px}.progress-stats{align-items:center;gap:2px}.form-section{gap:20px}.input-with-stepper{flex-direction:column;border-radius:8px}.stepper-btn{width:100%;padding:8px}.input-with-stepper input{text-align:center;border:1px solid #E0E0E0;border-radius:0}.stepper-total{font-size:.8em;padding:3px 6px}.stepper-breakdown{font-size:.65em}.modal-actions{padding:20px;flex-direction:column;gap:12px}.cancel-btn,.save-btn{width:100%;justify-content:center}}.tutorial-modal{max-width:800px;max-height:90vh}.tutorial-progress{margin-bottom:2rem;padding:1.5rem;background:linear-gradient(135deg,#e3f2fd,#f8f9fa);border-radius:12px;border:1px solid #e1f5fe}.progress-steps{display:flex;justify-content:center;gap:1rem;margin-bottom:1rem}.progress-step{width:40px;height:40px;border-radius:50%;background:#e0e0e0;color:#666;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9em;transition:all .3s ease;border:2px solid transparent}.progress-step.completed{background:#4caf50;color:#fff;border-color:#388e3c}.progress-step.current{background:#2196f3;color:#fff;border-color:#1976d2;transform:scale(1.1);box-shadow:0 4px 12px #2196f34d}.progress-text{text-align:center;color:#666;font-weight:500;font-size:.9em}.tutorial-content{display:flex;flex-direction:column;gap:2rem}.step-header{text-align:center;margin-bottom:1rem}.step-header h3{margin:0 0 .5rem;color:#333;font-size:1.5em;font-weight:700}.step-description{margin:0;color:#666;font-size:1.1em;font-weight:500}.step-details,.step-algorithms,.step-tips{background:#fff;padding:1.5rem;border-radius:12px;border:1px solid #e0e0e0;box-shadow:0 2px 8px #0000001a}.step-details h4,.step-algorithms h4,.step-tips h4{margin:0 0 1rem;color:#333;font-size:1.1em;font-weight:600;display:flex;align-items:center;gap:.5rem}.details-list,.tips-list{list-style:none;padding:0;margin:0}.details-list li,.tips-list li{color:#555;line-height:1.5;position:relative;padding:.5rem 0 .5rem 1.5rem}.details-list li:before{content:"•";color:#2196f3;font-weight:700;position:absolute;left:0;font-size:1.2em}.tips-list li:before{content:"💡";position:absolute;left:0;font-size:1em}.algorithms-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.algorithm-item{background:#f8f9fa;padding:1rem;border-radius:8px;border:1px solid #e9ecef;text-align:center}.algorithm-item code{background:#e9ecef;padding:.5rem;border-radius:4px;font-family:Courier New,monospace;font-size:.9em;color:#495057;display:block;word-break:break-all}.nav-btn{padding:12px 24px;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:.95em;display:flex;align-items:center;gap:8px}.prev-btn{background:#f5f5f5;color:#666;border:1px solid #e0e0e0}.prev-btn:hover:not(:disabled){background:#e0e0e0;transform:translateY(-1px)}.next-btn{background:linear-gradient(135deg,#4caf50,#45a049);color:#fff;box-shadow:0 2px 8px #4caf504d}.next-btn:hover:not(:disabled){background:linear-gradient(135deg,#45a049,#388e3c);transform:translateY(-1px);box-shadow:0 4px 12px #4caf5066}.nav-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.step-indicator{display:flex;align-items:center;justify-content:center;color:#666;font-weight:500;font-size:.9em;background:#f8f9fa;padding:8px 16px;border-radius:20px;border:1px solid #e9ecef}@media (max-width: 768px){.tutorial-modal{margin:10px;max-width:calc(100vw - 20px);max-height:95vh}.progress-steps{gap:.5rem}.progress-step{width:35px;height:35px;font-size:.8em}.tutorial-content{gap:1.5rem}.step-details,.step-algorithms,.step-tips{padding:1rem}.algorithms-grid{grid-template-columns:1fr;gap:.8rem}.algorithm-item{padding:.8rem}.algorithm-item code{font-size:.8em}.nav-btn{padding:10px 20px;font-size:.9em}.step-indicator{font-size:.8em;padding:6px 12px}}.badges-page{min-height:100vh;background:linear-gradient(135deg,#10b981,#059669);width:100%;margin:0;padding:0}.badges-page .badges-section{width:100%;margin:0;padding:6rem 2rem 4rem;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:0;border:none;box-shadow:none}.badges-container{max-width:1200px;margin:0 auto}.sticky-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 4px 20px #00000026;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.2);width:100%}.badges-section h2{text-align:center;font-size:2.2rem;margin-bottom:2rem;color:#ffc107;text-shadow:1px 1px 2px rgba(0,0,0,.3)}.badges-content{background:#ffc1071a;border-radius:12px;border:2px solid rgba(255,193,7,.3);padding:1.5rem}.badge-category{margin-bottom:2rem}.badge-category:last-child{margin-bottom:0}.category-title{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:1.1rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.category-icon{font-size:1.2em}.earned-title{color:#4caf50;text-shadow:1px 1px 2px rgba(0,0,0,.2)}.locked-title{color:#ff9800;text-shadow:1px 1px 2px rgba(0,0,0,.2)}.empty-category{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;background:#ffffff0d;border-radius:8px;border:1px dashed rgba(255,255,255,.2);text-align:center}.empty-icon{font-size:2rem;margin-bottom:.5rem;opacity:.6}.empty-category p{margin:0;color:#ffffffb3;font-size:.9rem;font-style:italic}.badges-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.badge-item{display:flex;align-items:center;gap:1rem;padding:1rem;background:#ffffff1a;border-radius:10px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;transform:translateY(0);opacity:1;animation:badgeSlideIn .5s ease-out}@keyframes badgeSlideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.badge-item:hover{transform:translateY(-2px)}.badge-item.earned{background:linear-gradient(135deg,#4caf5033,#ffffff1a);border-color:#4caf504d}.badge-item.unearned{background:#ffffff0d;border-color:#ffffff1a;opacity:.8}.badge-item.earned:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent,rgba(76,175,80,.1),transparent);animation:shimmer 3s infinite}.badge-icon{font-size:2rem;width:50px;height:50px;display:flex;align-items:center;justify-content:center;background:#ffc10733;border-radius:50%;flex-shrink:0}.badge-info h4{margin:0 0 .5rem;color:#fff;font-size:1.1rem}.badge-info p{margin:0 0 .5rem;color:#fffc;font-size:.9rem;line-height:1.4}.badge-progress{margin-top:.5rem;display:flex;flex-direction:column;gap:.25rem}.progress-bar-small{width:100%;height:4px;background:#fff3;border-radius:2px;overflow:hidden}.progress-fill-small{height:100%;transition:width .3s ease;border-radius:2px}.progress-text{font-size:.75rem;color:#ffffffb3;font-weight:500}.badge-earned{display:flex;align-items:center;gap:.5rem;margin-top:.5rem;padding:.25rem .5rem;background:#4caf5033;border-radius:12px;border:1px solid rgba(76,175,80,.3)}.earned-icon{color:#4caf50;font-weight:700;font-size:.9rem}.earned-text{color:#4caf50;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}@media (max-width: 768px){.header-content{padding:1rem;flex-direction:column;gap:1rem}.logo h1{font-size:1.5rem}.main-nav{gap:1rem;flex-wrap:wrap;justify-content:center}.nav-link{padding:.5rem 1rem;font-size:.9rem}.badges-container{padding:2rem 1rem}.badges-section h2{font-size:1.8rem}.badges-grid{grid-template-columns:1fr}.badge-item{padding:.8rem}.badge-icon{font-size:1.5rem;width:40px;height:40px}.badge-category{margin-bottom:1.5rem}.category-title{font-size:1rem;margin-bottom:.8rem}.empty-category{padding:1.5rem}.empty-icon{font-size:1.5rem}.badge-progress{margin-top:.25rem}.progress-text{font-size:.7rem}.badge-earned{padding:.2rem .4rem}.earned-text{font-size:.75rem}}.support-page{min-height:100vh;background:linear-gradient(135deg,#f97316,#ea580c);width:100%;margin:0;padding:0}.support-page .support-section{width:100%;margin:0;padding:6rem 2rem 4rem;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:0;border:none;box-shadow:none}.support-container{max-width:1200px;margin:0 auto}.sticky-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:linear-gradient(135deg,#f97316,#ea580c);box-shadow:0 4px 20px #00000026;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.2);width:100%}.header-content{width:100%;margin:0;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.75rem}.logo-icon{font-size:2rem;animation:rotate 3s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.logo h1{margin:0;color:#fff;font-size:1.8rem;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.main-nav{display:flex;gap:2rem;align-items:center}.nav-link{color:#ffffffe6;text-decoration:none;font-weight:600;font-size:1rem;padding:.75rem 1.5rem;border-radius:25px;transition:all .3s ease;position:relative;overflow:hidden;background:none;border:none;cursor:pointer;font-family:inherit}.nav-link:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.nav-link:hover:before{left:100%}.nav-link:hover{color:#fff;background:#ffffff26;transform:translateY(-2px);box-shadow:0 4px 15px #0003}.nav-link.active{color:#fff;background:#fff3;box-shadow:0 4px 15px #0003}.navigation-loading{position:fixed;top:0;left:0;right:0;z-index:1001;height:4px;background:#ffffff1a}.loading-bar{height:100%;background:linear-gradient(90deg,#4caf50,#45a049,#4caf50);background-size:200% 100%;animation:loading-slide 1.5s ease-in-out infinite}@keyframes loading-slide{0%{background-position:-200% 0}to{background-position:200% 0}}.support-section h2{text-align:center;font-size:2.2rem;margin-bottom:1rem;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.support-section p{text-align:center;font-size:1.2rem;color:#ffffffe6;margin-bottom:3rem}.support-content{display:grid;grid-template-columns:1fr 1fr;gap:2rem;max-width:1200px;margin:0 auto}.ticket-form{background:#ffffff1a;padding:2rem;border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);text-align:left;color:#fff}.ticket-form h3{text-align:center;margin-bottom:1.5rem;font-size:1.5rem;color:#fff}.ticket-form form{display:flex;flex-direction:column;gap:1rem}.ticket-form input,.ticket-form textarea{padding:.8rem;border:1px solid rgba(255,255,255,.3);border-radius:8px;background:#ffffff1a;color:#fff;font-size:1rem}.ticket-form input::placeholder,.ticket-form textarea::placeholder{color:#ffffffb3}.ticket-form textarea{min-height:100px;resize:vertical}.ticket-form button{background:linear-gradient(45deg,#4caf50,#45a049);border:none;padding:1rem 2rem;font-size:1.1rem;color:#fff;border-radius:8px;cursor:pointer;transition:all .3s ease;font-weight:600}.ticket-form button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 15px #0000004d}.ticket-form button:disabled{opacity:.6;cursor:not-allowed}.tickets-list{background:#ffffff1a;padding:2rem;border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);text-align:left;color:#fff}.tickets-list h3{text-align:center;margin-bottom:1.5rem;font-size:1.5rem;color:#fff}.tickets{display:grid;gap:1rem;max-height:400px;overflow-y:auto}.ticket{background:#ffffff1a;padding:1.5rem;border-radius:10px;border:1px solid rgba(255,255,255,.2);color:#fff}.ticket h4{margin:0 0 1rem;color:#fff;font-size:1.2rem}.ticket p{margin:.5rem 0;color:#ffffffe6}.ticket small{color:#fff9;font-size:.9rem}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 2rem;text-align:center}.loading-spinner-large{width:50px;height:50px;border:4px solid rgba(255,255,255,.2);border-top:4px solid #2196F3;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-container p{color:#fffc;font-size:1.1rem;margin:0;font-weight:500}@media (max-width: 768px){.header-content{padding:1rem;flex-direction:column;gap:1rem}.logo h1{font-size:1.5rem}.main-nav{gap:1rem;flex-wrap:wrap;justify-content:center}.nav-link{padding:.5rem 1rem;font-size:.9rem}.support-container{padding:2rem 1rem}.support-section h2{font-size:1.8rem}.support-section p{font-size:1.1rem}.support-content{grid-template-columns:1fr;gap:1.5rem}.ticket-form,.tickets-list{padding:1.5rem}.ticket-form h3,.tickets-list h3{font-size:1.3rem}.ticket{padding:1rem}.ticket h4{font-size:1.1rem}}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#333;background:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}*{box-sizing:border-box}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background:#fff;background-attachment:fixed}#root{width:100%;margin:0;padding:0;text-align:center}@media (prefers-color-scheme: light){:root{color:#213547;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}body{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);background-attachment:fixed}.App-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.features,.card{background:#fff3;color:#fff}}
