.auth-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 60px);padding:2rem 1rem;background-color:#0f0f1e}.auth-card{background-color:#1a1a2e;border:1px solid #2a2a3e;border-radius:8px;padding:2.5rem;width:100%;max-width:400px}.auth-title{text-align:center;margin-bottom:2rem;color:var(--text-primary)}.auth-form{margin-bottom:1.5rem}.auth-actions{display:flex;justify-content:center;margin-top:1rem}.auth-actions .btn{min-width:200px}.auth-error{background-color:#e94560;color:#fff;padding:.75rem;border-radius:4px;margin-bottom:1rem;text-align:center}.auth-footer{text-align:center;color:var(--text-secondary)}.auth-footer a{color:var(--primary-color);text-decoration:none}.auth-footer a:hover{text-decoration:underline}.checkbox-label{display:flex;align-items:center;gap:.75rem;cursor:pointer;color:var(--text-primary);font-size:.95rem}.checkbox-input{width:18px;height:18px;cursor:pointer;accent-color:var(--primary-color)}.checkbox-label span{-webkit-user-select:none;user-select:none}.password-policy{list-style:none;padding:0;margin:.5rem 0 0;font-size:.85rem;color:var(--text-secondary, #888)}.password-policy-item{display:flex;align-items:center;gap:.5rem;margin-bottom:.25rem}.password-policy-item .password-policy-icon{flex-shrink:0;width:1.1em;text-align:center}.password-policy-item.met .password-policy-icon{color:#2ecc71}.password-policy-item:not(.met) .password-policy-icon{color:#666}.password-confirm-error{display:block;margin-top:.35rem;font-size:.85rem;color:#e94560}.password-input-wrap{position:relative}.password-input-wrap .form-input{padding-right:2.75rem}.password-toggle-btn{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;padding:.35rem;color:var(--text-secondary, #888);border-radius:4px;display:flex;align-items:center;justify-content:center}.password-toggle-btn:hover{color:var(--text-primary, #fff)}.password-toggle-icon{width:1.25rem;height:1.25rem;flex-shrink:0}.home-container{min-height:calc(100vh - 60px);background:#0a0a15;overflow-x:hidden;padding:0;width:100%}.hero-section{min-height:calc(100vh - 60px);display:flex;align-items:center;justify-content:space-between;padding:4rem;width:100%;margin:0;position:relative}.hero-content{flex:1;max-width:600px;z-index:2}.hero-badge{display:inline-block;padding:.5rem 1rem;background:#e945601a;border:1px solid rgba(233,69,96,.3);border-radius:50px;color:#e94560;font-size:.875rem;font-weight:600;margin-bottom:1.5rem;text-transform:uppercase;letter-spacing:.5px}.hero-title{font-size:4.5rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem;color:#fff}.gradient-text{background:linear-gradient(135deg,#e94560,#ff6b9d,#c44569);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:block}.hero-description{font-size:1.25rem;line-height:1.8;color:#a0a0a0;margin-bottom:2.5rem}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.btn-hero-primary{padding:1rem 2.5rem;background:linear-gradient(135deg,#e94560,#ff6b9d);color:#fff;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-block;box-shadow:0 4px 15px #e945604d}.btn-hero-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #e9456066}.btn-hero-secondary{padding:1rem 2.5rem;background:transparent;color:#fff;border:2px solid rgba(255,255,255,.2);border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-block}.btn-hero-secondary:hover{background:#ffffff1a;border-color:#fff6}.hero-visual{flex:1;position:relative;height:500px;display:flex;align-items:center;justify-content:center}.floating-card{position:absolute;background:#1a1a2ecc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:2rem;text-align:center;box-shadow:0 8px 32px #0000004d}.card-icon{font-size:3rem;margin-bottom:.5rem}.card-text{color:#fff;font-weight:600;font-size:1.1rem}.card-1{top:10%;left:10%;animation:float 6s ease-in-out infinite}.card-2{top:50%;right:10%;animation:float 8s ease-in-out infinite 1s}.card-3{bottom:10%;left:30%;animation:float 7s ease-in-out infinite 2s}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(5deg)}}.features-section{padding:6rem 4rem;width:100%;margin:0}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:3rem;font-weight:800;color:#fff;margin-bottom:1rem}.section-subtitle{font-size:1.25rem;color:#a0a0a0}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{background:#1a1a2e99;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:2.5rem;transition:all .3s ease;cursor:pointer}.feature-card:hover{transform:translateY(-8px);border-color:#e9456080;box-shadow:0 12px 40px #e9456033}.feature-icon-wrapper{display:flex;justify-content:center;align-items:center;margin-bottom:1.5rem}.feature-icon{font-size:3.5rem;display:block}.feature-title{font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:1rem}.feature-description{font-size:1rem;line-height:1.7;color:#a0a0a0}.stats-section{padding:4rem;background:linear-gradient(135deg,#e945601a,#c445691a);width:100%;margin:0}.stats-container{width:100%;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:3rem;text-align:center}.stat-item{padding:2rem}.stat-item-hidden{display:none}.stat-number{font-size:3.5rem;font-weight:800;background:linear-gradient(135deg,#e94560,#ff6b9d);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.stat-label{font-size:1.1rem;color:#a0a0a0;text-transform:uppercase;letter-spacing:1px;font-weight:600}.cta-section{padding:6rem 4rem;text-align:center;width:100%;margin:0}.cta-content{background:linear-gradient(135deg,#e945601a,#c445691a);border:none;border-radius:0;padding:4rem;max-width:800px;margin:0 auto}.cta-title{font-size:3rem;font-weight:800;color:#fff;margin-bottom:1rem}.cta-description{font-size:1.25rem;color:#a0a0a0;margin-bottom:2.5rem}.btn-cta{padding:1.25rem 3rem;background:linear-gradient(135deg,#e94560,#ff6b9d);color:#fff;border:none;border-radius:12px;font-size:1.2rem;font-weight:700;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-block;box-shadow:0 6px 25px #e9456066}.btn-cta:hover{transform:translateY(-3px);box-shadow:0 10px 35px #e9456080}@media (max-width: 968px){.hero-section{flex-direction:column;text-align:center;padding:2rem}.features-section{padding:4rem 2rem}.stats-section{padding:3rem 2rem}.cta-section{padding:4rem 2rem}.hero-title{font-size:3rem}.hero-visual{height:300px;margin-top:3rem}.floating-card{position:relative;margin:1rem}.section-title{font-size:2.5rem}.features-grid{grid-template-columns:1fr}.cta-title{font-size:2.5rem}}@media (max-width: 640px){.hero-title{font-size:2.5rem}.hero-description{font-size:1.1rem}.section-title{font-size:2rem}.stat-number{font-size:2.5rem}}.dashboard{max-width:1200px;margin:0 auto}.dashboard-loading{display:flex;justify-content:center;align-items:center;min-height:200px}.dashboard-header{margin-bottom:2rem}.dashboard-header h1{margin-bottom:.35rem;color:var(--text-primary)}.dashboard-subtitle{color:var(--text-secondary);font-size:1rem;margin:0}.dashboard-section{margin-bottom:2.5rem}.dashboard-section-title{font-size:1.15rem;color:var(--text-primary);margin-bottom:1rem;font-weight:600}.dashboard-empty{color:var(--text-secondary);margin:.5rem 0 1rem;font-size:.95rem}.dashboard-section-link{display:inline-block;color:var(--primary-color);text-decoration:none;font-size:.95rem;font-weight:600;margin-top:.5rem;transition:color .2s}.dashboard-section-link:hover{color:#ff6b9d}.dashboard-competitions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin-bottom:.5rem}.dashboard-competition-card{display:block;background-color:var(--dark-bg);border:1px solid var(--border-color);border-radius:12px;padding:1.25rem;text-decoration:none;color:inherit;transition:border-color .2s,box-shadow .2s,transform .2s}.dashboard-competition-card:hover{border-color:#e9456080;box-shadow:0 4px 12px #e9456026;transform:translateY(-2px)}.dashboard-comp-status{display:inline-block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;padding:.2rem .5rem;border-radius:6px;margin-bottom:.5rem}.dashboard-comp-status.status-upcoming{background:#2196f333;color:#42a5f5}.dashboard-comp-status.status-active{background:#4caf5033;color:#66bb6a}.dashboard-comp-status.status-paused{background:#ff980033;color:#ffb74d}.dashboard-comp-name{font-size:1.1rem;margin:0 0 .5rem;color:var(--text-primary)}.dashboard-comp-date{font-size:.85rem;color:var(--text-secondary);margin:.15rem 0}.dashboard-comp-end{font-size:.8rem;opacity:.9}.dashboard-challenges-list{list-style:none;margin:0 0 .5rem;padding:0;background-color:var(--dark-bg);border:1px solid var(--border-color);border-radius:12px;overflow:hidden}.dashboard-challenges-list li{border-bottom:1px solid var(--border-color)}.dashboard-challenges-list li:last-child{border-bottom:none}.dashboard-challenge-link{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.25rem;text-decoration:none;color:var(--text-primary);transition:background-color .2s}.dashboard-challenge-link:hover{background-color:#ffffff0a}.dashboard-challenge-title{font-weight:500}.dashboard-challenge-points{font-size:.9rem;color:var(--primary-color);font-weight:600}@media (max-width: 768px){.dashboard-competitions-grid{grid-template-columns:1fr}}.scoreboard{max-width:1200px;margin:0 auto;padding:2rem}.scoreboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.scoreboard-header h1{margin:0;color:var(--text-primary)}.leaderboard-toggle{display:flex;align-items:center;gap:.75rem}.toggle-switch{position:relative;display:inline-block;width:50px;height:24px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ffffff1a;transition:.3s;border-radius:24px;border:1px solid var(--border-color)}.toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:2px;background-color:var(--text-secondary);transition:.3s;border-radius:50%}.toggle-switch input:checked+.toggle-slider{background-color:var(--primary-color);border-color:var(--primary-color)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(26px);background-color:#fff}.toggle-label{color:var(--text-primary);font-size:.9rem;font-weight:500}.leaderboard-locked{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center;background-color:var(--dark-bg);border:1px solid var(--border-color);border-radius:12px;margin-top:2rem}.locked-icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.leaderboard-locked p{color:var(--text-secondary);font-size:1.1rem;margin:0}.leaderboard-table{overflow-x:auto;background-color:var(--dark-bg);border:1px solid var(--border-color);border-radius:12px;padding:0;display:flex;flex-direction:column;min-height:450px}.leaderboard-table .scoreboard-virtual-container,.leaderboard-table .scoreboard-virtual-header,.leaderboard-table .scoreboard-virtual-row{min-width:860px}.leaderboard-table table{width:100%;border-collapse:collapse}.leaderboard-table thead{background-color:#ffffff05}.leaderboard-table th{padding:1rem;text-align:left;color:var(--text-primary);font-weight:600;border-bottom:2px solid var(--border-color)}.leaderboard-table td{padding:1rem;border-bottom:1px solid var(--border-color);color:var(--text-secondary)}.leaderboard-table tbody tr:hover{background-color:#ffffff05}.leaderboard-table tbody tr:last-child td{border-bottom:none}.leaderboard-table .rank{font-weight:600;color:var(--text-primary);width:80px}.leaderboard-table .score{font-weight:600;color:var(--primary-color)}.leaderboard-table .solved{text-align:center}.leaderboard-table .no-data{text-align:center;padding:3rem;color:var(--text-secondary);font-style:italic}.leaderboard-table tr.gold{background-color:#ffd7001a}.leaderboard-table tr.gold .rank:before{content:"🥇 "}.leaderboard-table tr.silver{background-color:#c0c0c01a}.leaderboard-table tr.silver .rank:before{content:"🥈 "}.leaderboard-table tr.bronze{background-color:#cd7f321a}.leaderboard-table tr.bronze .rank:before{content:"🥉 "}.scoreboard-virtual-container{width:100%;flex:0 0 auto;overflow-y:visible;padding:0}.scoreboard-virtual-container::-webkit-scrollbar{display:none}.scoreboard-virtual-container::-webkit-scrollbar-track{background:transparent}.scoreboard-virtual-container::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(99,102,241,.2),var(--primary-color));border-radius:999px}.scoreboard-virtual-container::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,rgba(129,140,248,.4),var(--primary-color))}.scoreboard-virtual-header{display:grid;grid-template-columns:120px minmax(240px,1fr) 120px 120px 220px;padding:.75rem 1.5rem;background-color:#ffffff05;font-weight:600;border-bottom:2px solid var(--border-color);color:var(--text-primary);text-align:center;justify-items:center}.scoreboard-virtual-header span,.scoreboard-virtual-row>*{min-width:0;overflow:hidden;text-overflow:ellipsis}.scoreboard-virtual-row{display:grid;grid-template-columns:120px minmax(240px,1fr) 120px 120px 220px;padding:.75rem 1.5rem;align-items:center;border-bottom:1px solid var(--border-color);color:var(--text-secondary);box-sizing:border-box;text-align:center;justify-items:center}.scoreboard-virtual-row:hover{background-color:#ffffff05}.scoreboard-virtual-row .rank{font-weight:600;color:var(--text-primary)}.scoreboard-virtual-row .score{font-weight:600;color:var(--primary-color)}.scoreboard-virtual-row.gold{background-color:#ffd70029}.scoreboard-virtual-row.silver{background-color:#c0c0c024}.scoreboard-virtual-row.bronze{background-color:#cd7f3224}.scoreboard-virtual-row.gold{border:2px solid #ffd700}.scoreboard-virtual-row.silver{border:2px solid #c0c0c0}.scoreboard-virtual-row.bronze{border:2px solid #cd7f32}.load-more-wrapper{padding:1rem;text-align:center;border-top:1px solid var(--border-color)}.loading{display:flex;justify-content:center;align-items:center;min-height:400px}.spinner{width:40px;height:40px;border:4px solid rgba(255,255,255,.1);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.competitions-page{max-width:1400px;margin:0 auto;padding:2rem}.competitions-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.competitions-header h1{color:var(--text-primary);margin:0;font-size:2rem}.competitions-filters{display:flex;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.filter-group{flex:1;min-width:200px}.filter-input,.filter-select{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:6px;background-color:#ffffff0d;color:var(--text-primary);font-size:1rem;font-family:inherit}.filter-input:focus,.filter-select:focus{outline:none;border-color:var(--primary-color)}.competitions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem}.competition-card{background-color:var(--dark-bg);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;cursor:pointer;transition:all .3s ease}.competition-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000004d;border-color:var(--primary-color)}.competition-card-skeleton{cursor:default;pointer-events:none}.competition-banner{width:100%;height:180px;overflow:hidden;background:linear-gradient(135deg,#161627,#11111f)}.skeleton-banner{width:100%;height:100%;border-radius:0}} .competition-banner img{width:100%;height:100%;object-fit:cover}.competition-card-content{padding:1.5rem}.competition-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem;gap:1rem}.competition-card-header h3{color:var(--text-primary);margin:0;font-size:1.25rem;flex:1}.competition-card-skeleton .skeleton-bar,.competition-card-skeleton .skeleton-pill,.competition-card-skeleton .skeleton-button{display:inline-block;width:100%;height:.9rem;border-radius:4px;background:linear-gradient(90deg,#ffffff0a,#ffffff14,#ffffff0a);background-size:200% 100%;animation:competitions-skeleton-shimmer 1.2s ease-in-out infinite}.competition-card-skeleton .skeleton-title{width:60%}.competition-card-skeleton .skeleton-pill{width:90px;border-radius:999px}.competition-card-skeleton .skeleton-pill.small{width:120px}.competition-card-skeleton .skeleton-bar.short{width:70%}.competition-card-skeleton .skeleton-button{width:100%;height:2.2rem;border-radius:999px}@keyframes competitions-skeleton-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.status-badge{padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase;white-space:nowrap}.status-upcoming{background-color:#2196f333;color:#2196f3;border:1px solid rgba(33,150,243,.4)}.status-active{background-color:#4caf5033;color:#4caf50;border:1px solid rgba(76,175,80,.4)}.status-paused{background-color:#ffc10733;color:#ffc107;border:1px solid rgba(255,193,7,.4)}.status-ended{background-color:#9e9e9e33;color:#9e9e9e;border:1px solid rgba(158,158,158,.4)}.competition-description{color:var(--text-secondary);margin-bottom:1rem;line-height:1.6;font-size:.95rem}.competition-info{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1rem;padding:1rem;background-color:#ffffff05;border-radius:6px}.competition-dates{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1rem;padding-top:1rem;border-top:1px solid var(--border-color)}.date-item{display:flex;justify-content:space-between;align-items:center}.date-label{color:var(--text-secondary);font-size:.875rem}.date-value{color:var(--text-primary);font-size:.875rem}.competition-view-btn{width:100%;margin-top:1rem}.no-competitions,.loading{text-align:center;padding:4rem 2rem;color:var(--text-secondary)}@media (max-width: 768px){.competitions-grid{grid-template-columns:1fr}.competitions-filters{flex-direction:column}.filter-group{min-width:100%}}.challenges-page{max-width:1400px;margin:0 auto;padding:2rem}.challenges-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.challenges-header h1{margin:0}.challenges-filters{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap;align-items:center;background-color:var(--dark-bg);border:1px solid var(--border-color);border-radius:8px;padding:1rem}.filter-group{flex:1;min-width:150px}.filter-input{width:100%;padding:.625rem .875rem;border:1px solid var(--border-color);border-radius:8px;background-color:#ffffff0d;color:var(--text-primary);font-size:.9rem;font-family:inherit;transition:all .2s ease}.filter-input:focus{outline:none;border-color:var(--primary-color);background-color:#ffffff14;box-shadow:0 0 0 3px #e945601a}.filter-input::placeholder{color:var(--text-secondary)}.filter-select{width:100%;padding:.625rem 2.5rem .625rem .875rem;border:1px solid var(--border-color);border-radius:8px;background-color:#ffffff0d;color:var(--text-primary);font-size:.9rem;font-family:inherit;transition:all .2s ease;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .875rem center;background-size:12px;cursor:pointer}.filter-select:hover{background-color:#ffffff14;border-color:#e9456080}.filter-select:focus{outline:none;border-color:var(--primary-color);background-color:#ffffff14;box-shadow:0 0 0 3px #e945601a}.filter-select option{background-color:var(--dark-bg);color:var(--text-primary);padding:.5rem}.btn-small{padding:.625rem 1rem;font-size:.875rem;white-space:nowrap}.challenges-table-container{background-color:var(--dark-bg);border:1px solid var(--border-color);border-radius:12px;overflow:hidden}.challenges-skeleton-row .skeleton-bar,.challenges-skeleton-row .skeleton-pill,.challenges-skeleton-row .skeleton-circle{display:inline-block;width:100%;height:.9rem;border-radius:4px;background:linear-gradient(90deg,#ffffff0a,#ffffff14,#ffffff0a);background-size:200% 100%;animation:challenges-skeleton-shimmer 1.2s ease-in-out infinite}.challenges-skeleton-row .skeleton-pill{max-width:80px;margin:0 auto}.challenges-skeleton-row .skeleton-circle{max-width:40px;margin:0 auto;height:1.6rem;border-radius:999px}@keyframes challenges-skeleton-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.challenges-table{width:100%;border-collapse:collapse}.challenges-table thead{background-color:#ffffff0d}.challenges-table th{padding:1rem;text-align:center;color:var(--text-primary);font-weight:600;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border-color)}.challenges-table tbody 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