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#00b4ff1a}.filter-select option{background:var(--bg-elevated);color:var(--text-primary)}.results-info{margin-bottom:1.5rem;padding:0 .25rem}.results-count{font-size:.875rem;color:var(--text-tertiary);font-family:var(--font-mono)}.challenges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:1.5rem;margin-bottom:3rem}.challenge-card{cursor:pointer;transition:all var(--transition-normal);position:relative}.challenge-card.solved{border-color:var(--success)}.challenge-card.solved:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--success);border-radius:var(--radius-md) 0 0 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h2{text-align:center;margin-bottom:3rem;color:#fff;font-size:2.5rem;transform:translateZ(20px)}.values-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;transform-style:preserve-3d}.value-card{background:linear-gradient(135deg,#1a2e4680,#0a0e1780);border-radius:15px;padding:2rem;text-align:center;border:1px solid rgba(0,255,170,.1);transition:all .3s ease;transform-style:preserve-3d;transform:translateZ(0)}.value-card:hover{transform:translateY(-10px) translateZ(20px);border-color:#00ffaa4d;box-shadow:0 20px 40px #00ffaa1a,0 0 0 1px #0fa3}.value-icon{font-size:3rem;margin-bottom:1.5rem;text-shadow:0 0 20px rgba(0,255,170,.3)}.value-card h3{color:#0fa;margin-bottom:1rem;font-size:1.5rem}.value-card p{color:#a0a0a0;line-height:1.6}.team-section{margin-bottom:4rem;transform-style:preserve-3d}.team-section h2{text-align:center;margin-bottom:3rem;color:#fff;font-size:2.5rem;transform:translateZ(20px)}.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;transform-style:preserve-3d}.team-member{background:linear-gradient(135deg,#1a2e4680,#0a0e1780);border-radius:15px;padding:2rem;text-align:center;border:1px solid rgba(0,255,170,.1);transition:all .3s ease;transform-style:preserve-3d;transform:translateZ(0)}.team-member:hover{transform:translateY(-10px) translateZ(20px);border-color:#00ffaa4d;box-shadow:0 20px 40px #00ffaa1a,0 0 0 1px #0fa3}.member-avatar{font-size:4rem;margin-bottom:1.5rem;text-shadow:0 0 20px rgba(0,255,170,.3)}.team-member h3{color:#fff;margin-bottom:.5rem;font-size:1.8rem}.member-role{color:#0fa;font-weight:500;margin-bottom:1.5rem;font-size:1.2rem}.member-bio{font-size:1rem;color:#a0a0a0;line-height:1.6}.stats-section{margin-bottom:4rem;transform-style:preserve-3d}.stats-section h2{text-align:center;margin-bottom:3rem;color:#fff;font-size:2.5rem;transform:translateZ(20px)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;transform-style:preserve-3d}.stat-card{background:linear-gradient(135deg,#1a2e4680,#0a0e1780);border-radius:15px;padding:2rem;text-align:center;border:1px solid rgba(0,255,170,.1);transition:all .3s ease;transform-style:preserve-3d;transform:translateZ(0)}.stat-card:hover{transform:translateY(-10px) translateZ(20px);border-color:#00ffaa4d;box-shadow:0 20px 40px #00ffaa1a,0 0 0 1px #0fa3}.stat-number{display:block;font-size:3rem;font-weight:700;color:#0fa;margin-bottom:.5rem;text-shadow:0 0 20px rgba(0,255,170,.3)}.stat-label{color:#a0a0a0;font-size:1.2rem}.pricing-section{margin-bottom:4rem;transform-style:preserve-3d}.pricing-section h2{text-align:center;margin-bottom:3rem;color:#fff;font-size:2.5rem;transform:translateZ(20px)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;transform-style:preserve-3d}.pricing-card{background:linear-gradient(135deg,#1a2e4680,#0a0e1780);border-radius:15px;padding:2.5rem;text-align:center;border:1px solid rgba(0,255,170,.1);transition:all .3s ease;transform-style:preserve-3d;transform:translateZ(0);position:relative}.pricing-card.featured{border-color:#0fa;box-shadow:0 0 30px #0fa3}.pricing-card.featured:before{content:"POPULAR";position:absolute;top:-10px;left:50%;transform:translate(-50%);background:#0fa;color:#0a0e17;padding:.5rem 1rem;border-radius:20px;font-size:.8rem;font-weight:700}.pricing-card:hover{transform:translateY(-10px) translateZ(20px);border-color:#00ffaa4d;box-shadow:0 20px 40px #00ffaa1a,0 0 0 1px #0fa3}.pricing-card h3{color:#fff;margin-bottom:1rem;font-size:1.8rem}.price{font-size:3rem;font-weight:700;color:#0fa;margin-bottom:2rem}.price span{font-size:1rem;color:#a0a0a0}.pricing-card ul{list-style:none;padding:0;margin:0}.pricing-card li{color:#a0a0a0;margin-bottom:1rem;padding-left:1.5rem;position:relative}.pricing-card li:before{content:"✓";position:absolute;left:0;color:#0fa;font-weight:700}.contact-section{text-align:center;background-color:#1a2e4680;border-radius:8px;padding:2rem;border:1px solid #1a2e46}.contact-section h2{color:#fff;margin-bottom:1rem}.contact-section a{color:#0fa;text-decoration:none;transition:text-shadow .3s ease}.contact-section a:hover{text-shadow:0 0 10px rgba(0,255,170,.7)}@media (max-width: 768px){.about-header 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p{font-size:.938rem;color:var(--text-secondary)}.htb-auth-form{display:flex;flex-direction:column;gap:24px}.htb-auth-footer{margin-top:32px;padding-top:24px;border-top:1px solid var(--border-primary);text-align:center}.htb-auth-footer-text{font-size:.875rem;color:var(--text-secondary)}.htb-auth-link{color:var(--primary);text-decoration:none;font-weight:600;transition:all .3s ease}.htb-auth-link:hover{color:#0f8;text-decoration:underline}@media (max-width: 1024px){.htb-auth-content{gap:60px}.htb-auth-brand-title{font-size:3rem}}@media (max-width: 768px){.htb-auth-content{flex-direction:column;gap:40px;padding:40px 20px}.htb-auth-brand{text-align:center;max-width:100%}.htb-auth-brand-icon{margin-left:auto;margin-right:auto}.htb-auth-brand-title{font-size:2.5rem}.htb-auth-brand-subtitle{margin-left:auto;margin-right:auto}.htb-auth-card{flex:1;width:100%;max-width:500px;padding:32px 24px}}@media (max-width: 480px){.htb-auth-brand-title{font-size:2rem}.htb-auth-brand-subtitle{font-size:1rem}.htb-auth-card{padding:24px 20px}.htb-auth-card-header h2{font-size:1.5rem}}.htb-register-info{padding:1.5rem 0}.htb-register-title{font-size:.875rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}.htb-register-description{font-size:.875rem;color:var(--text-muted);margin-bottom:1.5rem}.htb-register-requirements{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.htb-register-item{display:flex;align-items:flex-start;gap:1rem;padding:1rem;background:#00b4ff08;border:1px solid rgba(0,180,255,.1);border-radius:8px;transition:all .3s 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#00ffaa1a;background:#0f1923cc}.challenge-title{font-size:1.1rem;font-weight:600;color:#fff;margin-bottom:.75rem}.challenge-details{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}.difficulty,.category,.points{font-size:.85rem;padding:.4rem .9rem;border-radius:4px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.difficulty{background:#64323266;border:1px solid rgba(255,100,100,.3)}.difficulty.easy{color:#0f0;background:#00960033;border-color:#00ff004d}.difficulty.medium{color:#fa0;background:#c8640033;border-color:#ffaa004d}.difficulty.hard{color:#ff6b6b;background:#c8000033;border-color:#ff6b6b4d}.difficulty.expert{color:#f0f;background:#9600c833;border-color:#ff00ff4d}.category{color:#0fa;background:#00966433;border:1px solid rgba(0,255,170,.3)}.points{color:#fc0;background:#96780033;border:1px solid rgba(255,204,0,.3)}.no-challenges{text-align:center;padding:2rem;color:#888;font-size:1rem}.loading{text-align:center;padding:2rem;color:#0fa;font-size:1rem}@media (max-width: 768px){.profile-container{padding:1rem}.profile-section{padding:1.5rem;margin-bottom:1.5rem}.user-details-grid{grid-template-columns:1fr!important}.count-number{font-size:2.5rem}.challenge-details{flex-direction:column;align-items:flex-start}}.cyber-scoreboard-container{max-width:1400px;margin:0 auto;padding:40px 24px}.cyber-scoreboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px;flex-wrap:wrap;gap:24px}.cyber-scoreboard-title-section{display:flex;align-items:center;gap:20px}.cyber-scoreboard-icon{display:flex;align-items:center;justify-content:center;width:80px;height:80px;background:var(--bg-tertiary);border:2px solid var(--primary);border-radius:50%;color:var(--primary);box-shadow:0 0 30px var(--primary-glow)}.cyber-scoreboard-title{font-family:var(--font-heading);font-size:2.5rem;font-weight:700;margin-bottom:8px;letter-spacing:2px}.cyber-scoreboard-subtitle{color:var(--text-secondary);font-size:1rem}.cyber-scoreboard-actions{display:flex;gap:12px}.cyber-scoreboard-tabs{display:flex;gap:12px;margin-bottom:32px;background:var(--bg-secondary);padding:8px;border-radius:var(--radius-lg);border:1px solid var(--border-primary)}.cyber-scoreboard-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;background:transparent;color:var(--text-secondary);border:1px solid transparent;border-radius:var(--radius-md);font-family:var(--font-mono);font-size:.938rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);text-transform:uppercase;letter-spacing:.5px}.cyber-scoreboard-tab:hover{color:var(--text-primary);background:var(--bg-hover)}.cyber-scoreboard-tab--active{background:var(--primary);color:var(--bg-primary);border-color:var(--primary);box-shadow:0 0 20px var(--primary-glow)}.cyber-scoreboard-graph-card{margin-bottom:32px}.cyber-scoreboard-graph-header{display:flex;align-items:center;gap:12px;font-size:1.125rem;font-weight:600;color:var(--text-primary)}.cyber-scoreboard-table-card{overflow:hidden}.cyber-scoreboard-loading{padding:80px 24px}.cyber-scoreboard-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 24px;text-align:center}.cyber-scoreboard-empty-icon{color:var(--text-tertiary);margin-bottom:24px;opacity:.5}.cyber-scoreboard-empty h3{font-size:1.5rem;margin-bottom:8px;color:var(--text-primary)}.cyber-scoreboard-empty p{color:var(--text-secondary)}.cyber-scoreboard-table{width:100%}.cyber-scoreboard-table-header{display:grid;grid-template-columns:100px 1fr 150px;padding:20px 24px;background:var(--bg-tertiary);border-bottom:2px solid var(--border-primary);font-family:var(--font-mono);font-size:.813rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-tertiary)}.cyber-scoreboard-table-body{max-height:none}.cyber-scoreboard-table-row{display:grid;grid-template-columns:100px 1fr 150px;padding:20px 24px;border-bottom:1px solid var(--border-primary);transition:all var(--transition-normal);background:var(--bg-secondary)}.cyber-scoreboard-table-row:hover{background:var(--bg-hover);transform:translate(4px)}.cyber-scoreboard-table-row--current{background:#00b4ff1a;border-left:4px solid var(--primary);padding-left:20px}.cyber-scoreboard-table-row--current:hover{background:#00b4ff26}.cyber-scoreboard-table-row--top1{background:#ffd7000d}.cyber-scoreboard-table-row--top2{background:#c0c0c00d}.cyber-scoreboard-table-row--top3{background:#cd7f320d}.cyber-scoreboard-table-cell{display:flex;align-items:center}.cyber-scoreboard-table-cell--rank{justify-content:center}.cyber-scoreboard-table-cell--name{gap:12px}.cyber-scoreboard-table-cell--score{justify-content:flex-end;gap:8px}.rank-number{font-family:var(--font-mono);font-size:1.125rem;font-weight:700;color:var(--text-secondary)}.rank-icon{filter:drop-shadow(0 0 8px currentColor)}.rank-icon--gold{color:gold}.rank-icon--silver{color:silver}.rank-icon--bronze{color:#cd7f32}.cyber-scoreboard-name-link{display:flex;align-items:center;gap:12px;color:var(--text-primary);text-decoration:none;font-family:var(--font-mono);font-weight:500;transition:color var(--transition-fast)}.cyber-scoreboard-name-link:hover{color:var(--primary)}.cyber-scoreboard-you-badge{animation:pulse-glow 2s ease-in-out infinite}@keyframes pulse-glow{0%,to{box-shadow:0 0 10px var(--primary-glow)}50%{box-shadow:0 0 20px var(--primary-glow)}}.cyber-scoreboard-score{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;color:var(--primary)}.cyber-scoreboard-points-label{font-family:var(--font-mono);font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:1px}@media (max-width: 768px){.cyber-scoreboard-container{padding:24px 16px}.cyber-scoreboard-header{flex-direction:column;align-items:flex-start}.cyber-scoreboard-title{font-size:2rem}.cyber-scoreboard-icon{width:60px;height:60px}.cyber-scoreboard-table-header,.cyber-scoreboard-table-row{grid-template-columns:80px 1fr 120px;padding:16px}.cyber-scoreboard-score{font-size:1.25rem}.cyber-scoreboard-tabs{flex-direction:column}}@media (max-width: 480px){.cyber-scoreboard-table-header,.cyber-scoreboard-table-row{grid-template-columns:60px 1fr 100px;padding:12px}.cyber-scoreboard-name-link{font-size:.875rem}.cyber-scoreboard-score{font-size:1.125rem}}.htb-team-container{position:relative;min-height:100vh;background:var(--bg-primary);overflow:hidden}.htb-team-grid-bg,.htb-user-grid-bg{position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(var(--border-primary) 1px,transparent 1px),linear-gradient(90deg,var(--border-primary) 1px,transparent 1px);background-size:40px 40px;opacity:.15;animation:gridMove 25s linear infinite;z-index:0}.htb-team-header,.htb-user-header{position:relative;z-index:5;display:flex;align-items:center;justify-content:center;padding:32px 32px 24px;border-bottom:1px solid var(--border-primary);background:#0a0e1a99;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.htb-back-btn{position:absolute;left:32px;display:flex;align-items:center;gap:8px;padding:10px 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#00b4ff4d;transform:scale(1.1)}.htb-member-info{flex:1;cursor:pointer}.htb-member-name{font-size:1.125rem;font-weight:700;color:var(--text-primary);margin-bottom:4px;transition:color .3s ease}.htb-member-info:hover .htb-member-name{color:var(--primary)}.htb-member-email{font-size:.875rem;color:var(--text-tertiary);font-family:var(--font-mono)}.htb-member-stats{display:flex;gap:16px}.htb-member-stat{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);font-size:.875rem;color:var(--text-secondary)}.htb-member-stat svg{color:var(--primary)}.htb-member-hints-group{margin-bottom:32px}.htb-member-hints-header{display:flex;align-items:center;gap:12px;padding:16px 20px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg) var(--radius-lg) 0 0;font-weight:700;color:var(--text-primary)}.htb-hints-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;padding:20px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-top:none;border-radius:0 0 var(--radius-lg) var(--radius-lg)}.htb-hint-card{display:flex;align-items:center;justify-content:space-between;padding:16px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);border-left:3px solid var(--warning);transition:all .3s ease}.htb-hint-card:hover{border-left-color:var(--primary);transform:translate(4px)}.htb-hint-challenge{font-weight:600;color:var(--text-primary)}.htb-hint-cost{font-family:var(--font-mono);font-weight:700;color:var(--warning)}.htb-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:64px 32px;color:var(--text-tertiary);text-align:center}.htb-empty-state svg{margin-bottom:16px;opacity:.5}.htb-empty-state p{font-size:1.125rem;margin:0}.htb-error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:24px;color:var(--text-secondary)}.htb-error-state p{font-size:1.25rem;margin:0}@media (max-width: 1024px){.htb-team-stats,.htb-user-stats{grid-template-columns:repeat(2,1fr)}.htb-member-stats{flex-direction:column}}@media (max-width: 640px){.htb-team-header,.htb-user-header{flex-direction:column;gap:16px;padding:24px 20px}.htb-back-btn{position:static}.htb-team-name,.htb-user-name{font-size:1.75rem}.htb-team-main,.htb-user-main{padding:32px 20px 60px}.htb-team-stats,.htb-user-stats{grid-template-columns:1fr}.htb-member-card{flex-direction:column;text-align:center}.htb-member-rank{margin-bottom:8px}.htb-hints-grid{grid-template-columns:1fr}}.legal-container{max-width:900px;margin:0 auto;padding:2rem;color:#e0e0e0}.legal-header{text-align:center;margin-bottom:3rem}.legal-header h1{font-size:2.5rem;margin-bottom:.5rem;color:#fff}.highlight{color:#0fa;text-shadow:0 0 10px rgba(0,255,170,.5)}.legal-subtitle{color:#a0a0a0;font-size:1rem}.legal-content{background-color:#1a2e4680;border-radius:8px;border:1px solid #1a2e46;padding:2rem}.legal-section{margin-bottom:2.5rem}.legal-section:last-child{margin-bottom:0}.legal-section h2{color:#fff;font-size:1.5rem;margin-bottom:1rem;border-bottom:1px solid #1a2e46;padding-bottom:.5rem}.legal-section h3{color:#0fa;font-size:1.2rem;margin:1.5rem 0 .75rem}.legal-section p{margin-bottom:1rem;line-height:1.6}.legal-list{margin:1rem 0 1.5rem 1.5rem}.legal-list li{margin-bottom:.75rem;line-height:1.5}@media (max-width: 768px){.legal-container,.legal-content{padding:1.5rem}.legal-header h1{font-size:2rem}}.htb-contact-container{position:relative;min-height:100vh;background:var(--bg-primary);overflow:hidden}.htb-contact-grid-bg{position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(var(--border-primary) 1px,transparent 1px),linear-gradient(90deg,var(--border-primary) 1px,transparent 1px);background-size:40px 40px;opacity:.15;animation:gridMove 25s linear infinite;z-index:0}.htb-contact-header{position:relative;z-index:5;text-align:center;padding:64px 32px 48px;border-bottom:1px solid var(--border-primary);background:#0a0e1a99;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.htb-contact-header h1{font-family:var(--font-heading);font-size:3rem;font-weight:800;color:var(--text-primary);letter-spacing:1px;margin-bottom:16px}.htb-contact-subtitle{font-size:1.25rem;color:var(--text-secondary);max-width:700px;margin:0 auto}.htb-contact-main{position:relative;z-index:1;max-width:1400px;margin:0 auto;padding:64px 32px 80px}.htb-contact-grid{display:grid;grid-template-columns:400px 1fr;gap:48px;align-items:start}.htb-info-cards{display:flex;flex-direction:column;gap:20px;position:-webkit-sticky;position:sticky;top:24px}.htb-info-card{padding:28px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-left:3px solid var(--primary);border-radius:var(--radius-lg);transition:all .3s ease;position:relative;overflow:hidden}.htb-info-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(0,180,255,.03) 0%,transparent 100%);opacity:0;transition:opacity .3s ease}.htb-info-card:hover:before{opacity:1}.htb-info-card:hover{border-left-color:#00d4ff;box-shadow:0 8px 32px #00b4ff26;transform:translate(4px)}.htb-info-content h3{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-size:1.125rem;font-weight:700;color:var(--text-primary);margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}.htb-info-content h3 svg{color:var(--primary);stroke-width:2.5}.htb-info-content p{font-size:.938rem;color:var(--text-secondary);margin-bottom:4px}.htb-info-note{font-size:.813rem!important;color:var(--text-tertiary)!important;font-style:italic;margin-top:8px!important}.htb-contact-form{padding:40px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);box-shadow:0 8px 32px #0000004d}.htb-form-header{margin-bottom:32px}.htb-form-header h2{font-family:var(--font-heading);font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:12px}.htb-title-line{width:60px;height:4px;background:linear-gradient(to right,var(--primary),transparent);animation:lineGrow 2s ease-in-out infinite}@keyframes lineGrow{0%,to{width:60px;opacity:1}50%{width:80px;opacity:.7}}.htb-form-alert{display:flex;align-items:center;gap:12px;padding:16px 20px;border-radius:var(--radius-md);margin-bottom:24px;font-weight:600;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.htb-form-alert.success{background:#28a74526;border:1px solid #28a745;color:#28a745}.htb-form-alert.error{background:#dc354526;border:1px solid #dc3545;color:#dc3545}.htb-form-group{margin-bottom:24px}.htb-form-group label{display:block;font-weight:600;font-size:.938rem;color:var(--text-primary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.htb-form-group input,.htb-form-group textarea{width:100%;padding:14px 16px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;font-family:var(--font-body);transition:all .3s ease}.htb-form-group input::placeholder,.htb-form-group textarea::placeholder{color:var(--text-tertiary)}.htb-form-group input:focus,.htb-form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #00b4ff1a}.htb-form-group textarea{resize:vertical;min-height:140px;line-height:1.6}.htb-submit-btn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:16px 32px;background:var(--primary);color:var(--bg-primary);border:none;border-radius:var(--radius-md);font-weight:700;font-size:1rem;text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.htb-submit-btn: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}.htb-submit-btn:hover:before{left:100%}.htb-submit-btn:hover:not(:disabled){background:#00d4ff;box-shadow:0 0 30px #00b4ff66}.htb-submit-btn:disabled{background:var(--bg-tertiary);color:var(--text-tertiary);cursor:not-allowed;opacity:.6}.htb-spinner{width:20px;height:20px;border:3px solid var(--text-tertiary);border-top-color:var(--bg-primary);border-radius:50%;animation:spin .8s linear infinite}@media (max-width: 1200px){.htb-contact-grid{grid-template-columns:1fr;gap:32px}.htb-info-cards{position:static;display:grid;grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.htb-contact-header h1{font-size:2.25rem}.htb-contact-subtitle{font-size:1.063rem}.htb-contact-main{padding:48px 20px 60px}.htb-info-cards{grid-template-columns:1fr}.htb-contact-form{padding:28px 20px}.htb-form-header h2{font-size:1.5rem}}@media (max-width: 480px){.htb-contact-header{padding:48px 20px 32px}.htb-contact-header h1{font-size:1.875rem}.htb-submit-btn{padding:14px 24px;font-size:.938rem}}.blocked-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#14141ef2,#0a0f19f2);padding:2rem}.blocked-card{background:linear-gradient(135deg,#1e283ce6,#0f1928e6);border:2px solid rgba(255,68,68,.4);border-radius:16px;padding:3rem;max-width:600px;width:100%;box-shadow:0 0 40px #f443;text-align:center;animation:slideIn .5s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.blocked-icon{font-size:5rem;margin-bottom:1rem;animation:pulse 2s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.blocked-card h1{font-size:2.5rem;color:#f44;margin-bottom:1rem;text-transform:uppercase;letter-spacing:2px;text-shadow:0 0 20px rgba(255,68,68,.5)}.blocked-message{font-size:1.3rem;color:#f66;margin-bottom:1rem;font-weight:700}.blocked-submessage{color:#b0b0b0;font-size:1rem;line-height:1.6;margin-bottom:2rem}.blocked-actions{display:flex;flex-direction:column;gap:1.5rem}.contact-info{color:#e0e0e0;font-size:1rem;line-height:1.6;background:#ff44441a;padding:1.5rem;border-radius:8px;border-left:4px solid #ff4444}.logout-btn{padding:1rem 2rem;background:linear-gradient(135deg,#f443,#c8323233);border:2px solid rgba(255,68,68,.6);border-radius:8px;color:#f44;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:1px}.logout-btn:hover{background:linear-gradient(135deg,#ff44444d,#c832324d);box-shadow:0 0 20px #f446;transform:translateY(-2px)}.logout-btn:active{transform:translateY(0)}.auto-logout-note{color:#999;font-size:.9rem;font-style:italic}@media (max-width: 768px){.blocked-card{padding:2rem}.blocked-icon{font-size:3.5rem}.blocked-card h1{font-size:1.8rem}.blocked-message{font-size:1.1rem}.blocked-submessage{font-size:.95rem}.contact-info{font-size:.9rem;padding:1rem}.logout-btn{padding:.8rem 1.5rem;font-size:.9rem}}.htb-challenge-container{position:relative;min-height:100vh;background:var(--bg-primary);overflow:hidden}.htb-challenge-grid-bg{position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(var(--border-primary) 1px,transparent 1px),linear-gradient(90deg,var(--border-primary) 1px,transparent 1px);background-size:50px 50px;opacity:.2;animation:gridMove 20s linear infinite;z-index:0}@keyframes gridMove{0%{transform:translate(0)}to{transform:translate(50px,50px)}}.htb-event-ended-banner{position:relative;z-index:10;display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:#ffc1071a;border-bottom:2px solid var(--warning);color:var(--warning);font-weight:600;font-size:.938rem}.htb-challenge-header{position:relative;z-index:5;display:flex;align-items:center;justify-content:center;padding:40px 40px 32px;border-bottom:1px solid var(--border-primary);background:#0a0e1a99;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.htb-back-btn{position:absolute;left:40px;display:flex;align-items:center;gap:8px;padding:12px 24px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);font-weight:600;font-size:.938rem;cursor:pointer;transition:all .3s ease;z-index:10}.htb-challenge-title{position:relative;z-index:2;margin:0;padding:0 180px;text-align:center}.htb-challenge-title{font-family:var(--font-heading);font-size:2.5rem;font-weight:800;color:var(--text-primary);letter-spacing:1px;text-align:center;max-width:800px}.htb-challenge-main{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:60px 40px 100px}.htb-challenge-content{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-xl);padding:48px;box-shadow:var(--shadow-lg)}.htb-challenge-meta{display:flex;gap:16px;margin-bottom:40px;flex-wrap:wrap}.htb-meta-badge{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:.938rem;cursor:pointer;transition:all .3s ease}.htb-meta-badge.htb-points{background:#00b4ff1a;border:1px solid var(--primary);color:var(--primary)}.htb-meta-badge.htb-category{background:#9c27b01a;border:1px solid #9c27b0;color:#ce93d8}.htb-meta-badge.htb-solves{background:#4caf501a;border:1px solid var(--success);color:var(--success)}.htb-meta-badge:hover{transform:translateY(-2px);box-shadow:0 4px 20px #00b4ff33}.htb-section{margin-bottom:40px}.htb-section-title{display:flex;align-items:center;gap:12px;font-family:var(--font-heading);font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:24px;position:relative}.htb-title-line{width:4px;height:24px;background:linear-gradient(to bottom,var(--primary),transparent);animation:lineGrow 2s ease-in-out infinite}@keyframes lineGrow{0%,to{height:24px}50%{height:32px}}.htb-description-content{padding:24px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);border-left:4px solid var(--primary)}.htb-description-content p{color:var(--text-secondary);line-height:1.8;font-size:1rem;white-space:pre-wrap;word-wrap:break-word}.htb-hint-card{display:flex;gap:20px;align-items:flex-start;padding:24px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);transition:all .3s ease}.htb-hint-card.locked{border-left:4px solid var(--primary)}.htb-hint-card.unlocked{border-left:4px solid var(--success);background:#00ff880d}.htb-hint-icon{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--primary)}.htb-hint-card.unlocked .htb-hint-icon{color:var(--success)}.htb-hint-card.locked .htb-hint-icon{color:var(--primary)}.htb-hint-text{flex:1;color:var(--text-secondary);line-height:1.7;font-size:.938rem;margin:0}.htb-hint-locked{flex:1;display:flex;flex-direction:column;gap:12px}.htb-unlock-btn{align-self:flex-start;display:flex;align-items:center;gap:8px;padding:10px 24px;background:var(--primary);color:var(--bg-primary);border:none;border-radius:var(--radius-md);font-weight:600;font-size:.938rem;cursor:pointer;transition:all .3s ease}.htb-unlock-btn:hover{background:#00d4ff;box-shadow:0 0 20px var(--primary-glow)}.htb-unlock-btn:disabled{opacity:.6;cursor:not-allowed}.htb-login-hint{color:var(--text-tertiary);font-size:.875rem;margin:0}.htb-confirm-modal{max-width:500px}.htb-unlock-confirm-content{display:flex;flex-direction:column;gap:24px}.htb-unlock-message{font-size:1.125rem;color:var(--text-primary);margin:0;text-align:center}.htb-unlock-stats{display:flex;flex-direction:column;gap:16px;padding:24px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-lg)}.htb-unlock-stat{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--border-primary)}.htb-unlock-stat:last-child{padding-bottom:0;border-bottom:none}.htb-unlock-label{font-size:.938rem;color:var(--text-secondary);font-weight:500}.htb-unlock-value{font-size:1rem;color:var(--text-primary);font-weight:600}.htb-unlock-value.htb-cost{color:var(--primary)}.htb-unlock-value.htb-after{color:var(--success)}.htb-unlock-actions{display:flex;gap:12px;justify-content:flex-end}.htb-btn{display:flex;align-items:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius-md);font-weight:600;font-size:.938rem;cursor:pointer;transition:all .3s ease}.htb-btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-primary)}.htb-btn-secondary:hover{border-color:var(--text-tertiary)}.htb-btn-primary{background:var(--primary);color:var(--bg-primary)}.htb-btn-primary:hover{background:#00d4ff;box-shadow:0 0 20px var(--primary-glow)}.htb-challenge-actions{margin-top:48px;display:flex;justify-content:center}.htb-submit-btn{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px 48px;background:var(--primary);color:var(--bg-primary);border:none;border-radius:var(--radius-lg);font-weight:700;font-size:1.125rem;cursor:pointer;transition:all .3s ease;min-width:200px}.htb-submit-btn:hover{background:var(--primary-hover);transform:translateY(-2px)}.htb-submit-btn.solved{background:var(--success);cursor:default}.htb-submit-btn.disabled{opacity:.6;cursor:not-allowed}.htb-event-ended-notice{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px 32px;background:#ffc1071a;border:2px solid var(--warning);border-radius:var(--radius-lg);color:var(--warning);font-weight:600}.htb-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.htb-modal-content{position:relative;width:100%;max-width:800px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-xl);box-shadow:0 20px 60px #00000080;overflow:hidden}.htb-modal-header{display:flex;align-items:center;justify-content:space-between;padding:24px 32px;border-bottom:1px solid var(--border-primary);background:var(--bg-tertiary)}.htb-modal-title{display:flex;align-items:center;gap:12px;color:var(--primary)}.htb-modal-title h3{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;color:var(--text-primary);margin:0}.htb-modal-close{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:transparent;border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all .3s ease}.htb-modal-close:hover{border-color:var(--danger);color:var(--danger);background:#ff47571a}.htb-modal-body{padding:32px}.htb-no-solves{text-align:center;padding:48px;color:var(--text-tertiary);font-size:1.125rem}.htb-solves-list{max-height:500px;overflow-y:auto}.htb-solves-table{width:100%;border-collapse:collapse}.htb-solves-table thead{position:-webkit-sticky;position:sticky;top:0;background:var(--bg-tertiary);z-index:1}.htb-solves-table th{padding:16px;text-align:left;font-weight:700;color:var(--primary);border-bottom:2px solid var(--border-primary);font-size:.875rem;text-transform:uppercase;letter-spacing:1px}.htb-solves-table td{padding:16px;color:var(--text-secondary);border-bottom:1px solid var(--border-primary)}.htb-solves-table tbody tr{transition:all .2s ease}.htb-solves-table tbody tr:hover{background:#00b4ff0d}.htb-alert{display:flex;align-items:center;gap:12px;padding:16px 20px;border-radius:var(--radius-md);margin-bottom:24px;font-size:.938rem;font-weight:600}.htb-alert-warning{background:#ffc1071a;border:1px solid var(--warning);color:var(--warning)}.htb-alert-error{background:#ff47571a;border:1px solid var(--danger);color:var(--danger)}.htb-alert-success{background:#00ff881a;border:1px solid var(--success);color:var(--success)}.htb-flag-form{display:flex;flex-direction:column;gap:24px}.htb-form-group{display:flex;flex-direction:column;gap:12px}.htb-form-group label{font-weight:600;color:var(--text-primary);font-size:.938rem}.htb-input-wrapper{position:relative}.htb-flag-input{width:100%;padding:16px 20px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;font-family:var(--font-mono);transition:all .3s ease}.htb-flag-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #00b4ff1a}.htb-flag-input:disabled{opacity:.6;cursor:not-allowed}.htb-submit-flag-btn{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px 32px;background:var(--primary);color:var(--bg-primary);border:none;border-radius:var(--radius-md);font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s ease}.htb-submit-flag-btn:hover{background:var(--primary-hover);box-shadow:0 0 30px var(--primary-glow)}.htb-submit-flag-btn:disabled{opacity:.6;cursor:not-allowed}.htb-spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 1024px){.htb-challenge-header{padding:32px 24px}.htb-back-btn{left:24px}.htb-challenge-title{font-size:2rem}.htb-challenge-main{padding:40px 24px 80px}.htb-challenge-content{padding:32px 24px}}@media (max-width: 640px){.htb-challenge-header{flex-direction:column;gap:20px;padding:24px 20px}.htb-back-btn{position:static}.htb-challenge-title{font-size:1.5rem}.htb-challenge-content{padding:24px 20px}.htb-challenge-meta{flex-direction:column;align-items:stretch}.htb-submit-btn{width:100%}.htb-modal-body{padding:24px 20px}}.htb-notice-container{position:relative;min-height:100vh;background:var(--bg-primary);overflow:hidden}.htb-notice-grid-bg{position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(var(--border-primary) 1px,transparent 1px),linear-gradient(90deg,var(--border-primary) 1px,transparent 1px);background-size:40px 40px;opacity:.15;animation:gridMove 25s linear infinite;z-index:0}@keyframes gridMove{0%{transform:translate(0)}to{transform:translate(40px,40px)}}.htb-notice-header{position:relative;z-index:5;text-align:center;padding:80px 32px 64px;border-bottom:1px solid var(--border-primary);background:#0a0e1a99;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.htb-header-content{max-width:800px;margin:0 auto}.htb-header-icon{color:var(--primary);margin-bottom:24px;filter:drop-shadow(0 0 20px var(--primary-glow));animation:pulse 3s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}.htb-notice-header h1{font-family:var(--font-heading);font-size:3rem;font-weight:800;color:var(--text-primary);letter-spacing:2px;margin-bottom:16px;text-transform:uppercase}.htb-highlight{color:var(--primary);text-shadow:0 0 20px var(--primary-glow)}.htb-notice-header p{font-size:1.25rem;color:var(--text-secondary);margin:0}.htb-error-alert{position:relative;z-index:5;display:flex;align-items:center;gap:12px;max-width:1400px;margin:24px auto;padding:16px 32px;background:#dc354526;border:1px solid #dc3545;border-left:4px solid #dc3545;border-radius:var(--radius-md);color:#dc3545;font-weight:600}.htb-notices-main{position:relative;z-index:1;max-width:1400px;margin:0 auto;padding:64px 32px 80px}.htb-notices-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}.htb-notice-card{position:relative;display:flex;flex-direction:column;padding:28px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);cursor:pointer;transition:all .3s ease;overflow:hidden}.htb-notice-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--success));transform:scaleX(0);transform-origin:left;transition:transform .3s ease}.htb-notice-card:hover:before{transform:scaleX(1)}.htb-notice-card:hover{border-color:var(--primary);box-shadow:0 8px 32px #00b4ff33}.htb-notice-title{font-family:var(--font-heading);font-size:1.375rem;font-weight:700;color:var(--primary);margin-bottom:16px;text-transform:uppercase;letter-spacing:.5px}.htb-notice-meta{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border-primary)}.htb-notice-author,.htb-notice-date{display:flex;align-items:center;gap:6px;font-size:.875rem;color:var(--text-tertiary)}.htb-notice-author{color:var(--text-secondary);font-weight:600}.htb-notice-author svg{color:var(--primary)}.htb-notice-date svg{color:var(--text-tertiary)}.htb-notice-preview{flex:1;color:var(--text-secondary);font-size:.938rem;line-height:1.6;margin-bottom:20px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.htb-read-more{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--border-primary);color:var(--primary);font-weight:700;font-size:.875rem;text-transform:uppercase;letter-spacing:1px}.htb-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 32px;color:var(--text-tertiary);text-align:center}.htb-empty-state svg{margin-bottom:24px;opacity:.3}.htb-empty-state p{font-size:1.25rem;margin:8px 0;color:var(--text-secondary)}.htb-empty-sub{font-size:1rem!important;color:var(--text-tertiary)!important}.htb-notice-detail{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:32px;min-height:100vh}.htb-back-btn{display:flex;align-items:center;gap:8px;padding:12px 24px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);font-weight:600;font-size:.938rem;cursor:pointer;transition:all .3s ease;margin-bottom:32px}.htb-back-btn:hover{border-color:var(--primary);box-shadow:0 0 20px var(--primary-glow);color:var(--primary)}.htb-detail-card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:48px;box-shadow:0 8px 32px #0000004d}.htb-detail-header{margin-bottom:40px;padding-bottom:32px;border-bottom:1px solid var(--border-primary)}.htb-detail-header h1{font-family:var(--font-heading);font-size:2.5rem;font-weight:800;color:var(--text-primary);margin-bottom:24px;letter-spacing:.5px}.htb-detail-meta{display:flex;gap:32px;flex-wrap:wrap}.htb-meta-item{display:flex;align-items:center;gap:10px;padding:10px 20px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);font-size:.938rem;color:var(--text-secondary)}.htb-meta-item svg{color:var(--primary)}.htb-detail-content{position:relative}.htb-content-text{font-size:1.063rem;line-height:1.8;color:var(--text-secondary);white-space:pre-wrap;word-wrap:break-word}@media (max-width: 1024px){.htb-notices-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.htb-notice-header{padding:64px 24px 48px}.htb-notice-header h1{font-size:2.25rem}.htb-notices-main{padding:48px 20px 60px}.htb-notices-grid{grid-template-columns:1fr}.htb-detail-card{padding:32px 24px}.htb-detail-header h1{font-size:2rem}.htb-notice-meta{flex-direction:column;align-items:flex-start;gap:8px}}@media (max-width: 480px){.htb-notice-header{padding:48px 20px 32px}.htb-notice-header h1{font-size:1.875rem}.htb-notice-header p{font-size:1rem}.htb-notice-card{padding:20px}.htb-notice-title{font-size:1.125rem}.htb-detail-card{padding:24px 20px}.htb-detail-header h1{font-size:1.625rem}.htb-detail-meta{flex-direction:column;gap:12px}.htb-meta-item{width:100%}}.htb-user-container{position:relative;min-height:100vh;background:var(--bg-primary);overflow:hidden}.htb-user-stats{grid-template-columns:repeat(5,1fr)}.htb-challenges-section{margin-bottom:48px}.htb-challenges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.htb-challenge-card{display:flex;flex-direction:column;padding:24px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden;gap:12px}.htb-challenge-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--success));transform:scaleX(0);transform-origin:left;transition:transform .3s ease}.htb-challenge-card:hover:before{transform:scaleX(1)}.htb-challenge-card:hover{border-color:var(--primary);box-shadow:0 8px 32px #00b4ff33;transform:translateY(-4px)}.htb-challenge-title{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0;line-height:1.4}.htb-challenge-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.htb-category{display:inline-flex;align-items:center;padding:6px 12px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);font-size:.813rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.htb-points{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:#00b4ff1a;border:1px solid var(--primary);border-radius:var(--radius-sm);font-weight:700;font-size:.875rem;color:var(--primary)}.htb-challenge-header{display:flex;justify-content:space-between;align-items:start;margin-bottom:16px}.htb-challenge-title-group{flex:1}.htb-challenge-name{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}.htb-challenge-category{display:inline-block;padding:4px 12px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);font-size:.813rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.htb-difficulty-badge{padding:6px 14px;border-radius:var(--radius-md);font-weight:700;font-size:.813rem;text-transform:uppercase;letter-spacing:1px;border:1px solid}.htb-difficulty-badge.easy{background:#28a74526;border-color:#28a745;color:#28a745}.htb-difficulty-badge.medium{background:#ffc10726;border-color:#ffc107;color:#ffc107}.htb-difficulty-badge.hard{background:#dc354526;border-color:#dc3545;color:#dc3545}.htb-challenge-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;border-top:1px solid var(--border-primary)}.htb-challenge-points{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.125rem;color:var(--primary)}.htb-challenge-solved{display:flex;align-items:center;gap:8px;padding:6px 14px;background:#28a74526;border:1px solid #28a745;border-radius:var(--radius-md);font-weight:600;font-size:.875rem;color:#28a745}.htb-challenge-time{font-size:.875rem;color:var(--text-tertiary);font-family:var(--font-mono)}.htb-hints-section{margin-bottom:48px}.htb-hints-list{display:flex;flex-direction:column;gap:16px}.htb-hint-item{display:flex;gap:20px;padding:24px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-left:4px solid var(--warning);border-radius:var(--radius-lg);transition:all .3s ease}.htb-hint-item:hover{border-left-color:var(--primary);box-shadow:0 4px 20px #00b4ff1a}.htb-hint-icon-wrapper{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--warning)}.htb-hint-details{flex:1}.htb-hint-challenge-name{font-family:var(--font-heading);font-size:1.125rem;font-weight:700;color:var(--text-primary);margin-bottom:12px}.htb-hint-text{padding:16px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);font-family:var(--font-mono);font-size:.938rem;line-height:1.6;color:var(--text-secondary);margin-bottom:12px}.htb-hint-meta{display:flex;align-items:center;gap:16px}.htb-hint-cost-label{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#ffc10726;border:1px solid var(--warning);border-radius:var(--radius-md);font-weight:700;font-size:.875rem;color:var(--warning)}.htb-hint-timestamp{font-size:.875rem;color:var(--text-tertiary);font-family:var(--font-mono)}.htb-solved-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:#28a74526;border:1px solid #28a745;border-radius:var(--radius-md);font-weight:700;color:#28a745;margin-left:16px}@keyframes lineGrow{0%,to{height:24px;opacity:1}50%{height:32px;opacity:.7}}@media (max-width: 1400px){.htb-user-stats{grid-template-columns:repeat(2,1fr)}.htb-challenges-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}}@media (max-width: 768px){.htb-user-stats,.htb-challenges-grid{grid-template-columns:1fr}.htb-challenge-header{flex-direction:column;gap:12px}.htb-challenge-footer{flex-direction:column;align-items:flex-start;gap:12px}.htb-hint-item{flex-direction:column}.htb-hint-meta{flex-direction:column;align-items:flex-start;gap:8px}}@media (max-width: 640px){.htb-solved-badge{margin-left:0;margin-top:8px}.htb-section-title{font-size:1.25rem}}.my-team-container{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:2rem}.loading{text-align:center;font-size:1.2rem;color:#00e5cc}.error-container{text-align:center;max-width:500px;padding:3rem;background:linear-gradient(135deg,#1a1a2ee6,#121223f2);border-radius:16px;border:1px solid rgba(0,229,204,.2);box-shadow:0 8px 32px #0000004d}.error-icon{font-size:4rem;color:#00e5cc;margin-bottom:1.5rem}.error-container h2{color:#fff;margin-bottom:1rem;font-size:1.8rem}.error-container p{color:#b0b0b0;margin-bottom:2rem;font-size:1.1rem;line-height:1.6}.back-button{background:linear-gradient(135deg,#00e5cc,#00b8a9);color:#0a0a1e;border:none;padding:.8rem 2rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.back-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00e5cc66}.back-button:active{transform:translateY(0)}