:root{--bg-main: #f5f5f7;--bg-secondary: #ffffff;--glass-bg: rgba(255, 255, 255, .8);--glass-border: rgba(0, 0, 0, .1);--primary: #8b5cf6;--accent: #ec4899;--text-main: #1a1a1a;--text-muted: #6b7280;--text-inverse: #ffffff;--shadow-color: rgba(0, 0, 0, .1);--modal-bg: #ffffff;--modal-overlay: rgba(0, 0, 0, .5);--font-main: "Outfit", sans-serif;--font-mono: "JetBrains Mono", monospace}[data-theme=dark]{--bg-main: #09090b;--bg-secondary: #18181b;--glass-bg: rgba(255, 255, 255, .03);--glass-border: rgba(255, 255, 255, .08);--text-main: #ffffff;--text-muted: #a1a1aa;--text-inverse: #1a1a1a;--shadow-color: rgba(0, 0, 0, .5);--modal-bg: rgba(20, 20, 35, .98);--modal-overlay: rgba(0, 0, 0, .7)}.hidden{display:none!important}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-main);min-height:100vh;overflow-x:hidden;position:relative;transition:background-color .3s ease,color .3s 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.join-btn:hover{opacity:.9;box-shadow:0 8px 20px #8b5cf64d}.platform-filters{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center}.section-title{font-size:1.5rem;margin:2rem 0 1rem;padding-left:.5rem;border-left:4px solid var(--primary);color:var(--text-main)}[data-theme=light] .section-title{color:#111827}.contest-grid-container{display:flex;flex-direction:column;gap:2rem}.end-time{font-size:.8rem;color:var(--text-muted);margin-top:.4rem;display:flex;align-items:center;gap:.3rem}[data-theme=light] .end-time{color:#4b5563!important;font-weight:500}[data-theme=light] .end-time ion-icon{color:#6b7280}[data-theme=light] .contest-time{color:#4b5563!important;font-weight:500}[data-theme=light] .contest-time ion-icon{color:#6b7280}.status-soon{background:#fbbf2426;color:#fbbf24;animation:pulse-glow 1.5s infinite}.status-live{background:#22c55e33;color:#22c55e;animation:pulse-live 1s infinite}.status-live:before{content:"●";font-size:.6rem;animation:blink 1s 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var(--glass-border);border-radius:16px;padding:1.5rem;display:flex;align-items:center;gap:1rem;transition:all .3s ease;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}[data-theme=light] .stat-card{background:#ffffffe6;border-color:#0000001a;box-shadow:0 2px 8px #0000000d}.stat-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px var(--shadow-color)}.stat-icon{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.live-icon{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.next-icon{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff}.today-icon{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}.timezone-icon{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.stat-info{flex:1}.stat-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:.5rem}.stat-value{font-size:1.1rem;font-weight:700;color:var(--text-main)}.live-active{border-color:#ef4444;box-shadow:0 0 25px #ef44444d;animation:pulse-border 2s infinite}@keyframes pulse-border{0%,to{box-shadow:0 0 15px #ef44444d}50%{box-shadow:0 0 30px #ef444480}}.next-platform{font-size:.9rem;color:var(--primary);margin-bottom:.2rem}.next-time{font-size:.85rem;color:var(--text-muted)}.timezone-select{background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-main);padding:.5rem .75rem;border-radius:8px;font-family:var(--font-main);font-weight:600;font-size:.95rem;cursor:pointer;width:100%;outline:none;transition:all .2s}[data-theme=light] .timezone-select{background:#fffc;border-color:#00000026}.timezone-select:hover,.timezone-select:focus{border-color:var(--primary);box-shadow:0 0 10px #8b5cf633}[data-theme=light] .contest-card{background:#fffffff2;border-color:#0000001a;box-shadow:0 2px 8px #0000000d}[data-theme=light] .contest-card *{color:inherit}[data-theme=light] .contest-card .contest-name{color:#111827!important}[data-theme=light] .contest-card .contest-time,[data-theme=light] .contest-card .end-time,[data-theme=light] .contest-card .contest-time span,[data-theme=light] .contest-card .end-time 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.2s}.action-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.calendar-day{position:relative;padding:.5rem;min-height:100px;cursor:default}.calendar-day:hover{background:#ffffff05}.day-info-mini{position:absolute;bottom:100%;left:50%;transform:translate(-50%);background:var(--bg-secondary);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:1px solid var(--primary);border-radius:12px;padding:12px;width:220px;z-index:1000;opacity:0;visibility:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 15px 40px var(--shadow-color);pointer-events:auto}.calendar-day:hover .day-info-mini{opacity:1;visibility:visible;bottom:calc(100% + 15px)}.mini-header{font-size:.7rem;font-weight:800;color:var(--primary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.1em;border-bottom:1px solid 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0;padding:2rem;position:relative}.zenith-mastery-hull{display:flex;justify-content:center;align-items:center;padding:2rem 0;perspective:1200px}.mastery-prism{position:relative;width:100%;max-width:600px;background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:40px;padding:3rem 2.5rem;overflow:hidden;box-shadow:0 40px 100px var(--shadow-color);transition:all .6s cubic-bezier(.23,1,.32,1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.mastery-prism:hover{transform:translateY(-10px) rotateX(2deg) rotateY(1deg);border-color:var(--primary)}.prism-base{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 50% 120%,var(--primary),transparent 70%);opacity:.1;pointer-events:none}.prism-glow{position:absolute;top:-20%;right:-20%;width:300px;height:300px;background:var(--accent);filter:blur(120px);opacity:.05;pointer-events:none;animation:glowFloat 10s infinite alternate}@keyframes glowFloat{0%{transform:translate(0)}to{transform:translate(-20%,20%)}}.mastery-content-layer{position:relative;z-index:10;display:flex;flex-direction:column;align-items:center;text-align:center}.elite-badge-glow{background:linear-gradient(90deg,var(--primary),var(--accent));padding:2px;border-radius:30px;margin-bottom:2rem;display:inline-block}.elite-text{background:var(--bg-secondary);color:var(--text-main);padding:6px 20px;border-radius:28px;font-size:.75rem;font-weight:950;letter-spacing:2px;display:block}.mastery-headline{font-size:2rem;font-weight:850;color:var(--text-main);margin-bottom:1rem;letter-spacing:-1px}.mastery-summary{font-size:.95rem;color:var(--text-muted);max-width:450px;line-height:1.6;margin-bottom:2rem}.mastery-quote-box{border-top:1px solid var(--glass-border);border-bottom:1px solid var(--glass-border);padding:1.5rem;margin-bottom:2.5rem;position:relative;max-width:400px}.mastery-quote-box:before{content:'"';position:absolute;top:-20px;left:50%;transform:translate(-50%);font-size:4rem;color:var(--primary);opacity:.15;font-family:serif}.mastery-quote-box p{font-style:italic;color:var(--text-main);font-size:.9rem;line-height:1.5;font-weight:500}.mastery-metrics{display:flex;gap:3rem;margin-bottom:2.5rem}.metric-item{display:flex;flex-direction:column}.metric-val{font-size:2.2rem;font-weight:950;color:var(--primary);line-height:1}.metric-key{font-size:.7rem;font-weight:800;color:var(--text-muted);letter-spacing:1px;text-transform:uppercase}.mastery-launch-btn{position:relative;background:var(--text-main);color:var(--bg-secondary);border:none;padding:1rem 3rem;border-radius:16px;font-size:.95rem;font-weight:800;cursor:pointer;overflow:hidden;transition:all .3s ease;display:flex;align-items:center;gap:12px}.mastery-launch-btn:hover{transform:translateY(-3px) scale(1.02);background:var(--primary);color:#fff;box-shadow:0 10px 25px #8b5cf64d}.btn-flare{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(45deg,transparent,rgba(255,255,255,.1),transparent);transform:translate(-100%);transition:transform .6s ease}.mastery-launch-btn:hover .btn-flare{transform:translate(100%)}.orbital-ring{position:absolute;top:50%;left:50%;border:1px solid var(--primary);border-radius:50%;opacity:.03;pointer-events:none;transform:translate(-50%,-50%)}.ring-1{width:550px;height:550px;animation:rotate 40s linear infinite}.ring-2{width:450px;height:450px;animation:rotate 60s linear reverse infinite;border-style:dashed}.data-point{position:absolute;width:5px;height:5px;background:var(--primary);border-radius:50%;filter:blur(1px);animation:particleFloat 6s infinite ease-in-out}.p1{top:15%;left:15%;animation-delay:0s}.p2{top:75%;right:10%;animation-delay:2s}.p3{bottom:20%;left:30%;animation-delay:4s}@keyframes particleFloat{0%,to{transform:translate(0);opacity:.1}50%{transform:translate(10px,-20px);opacity:.4}}.codeninja-title{font-size:3.5rem;font-weight:950;letter-spacing:-3px;text-transform:none;background:linear-gradient(135deg,var(--text-main),var(--primary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.zenith-footer-visual{margin-top:6rem;height:40px;position:relative}.neural-line{position:absolute;top:50%;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,var(--glass-border),transparent)}.neural-pulse{position:absolute;top:50%;width:60px;height:2px;background:linear-gradient(90deg,transparent,var(--primary),transparent);animation:nodePulseFlow 5s linear infinite}@keyframes nodePulseFlow{0%{left:10%;opacity:0}50%{opacity:1}to{left:90%;opacity:0}}.portfolio-favicon{width:24px;height:24px;border-radius:50%;object-fit:cover;transition:all .3s ease;border:2px solid transparent}.portfolio-icon{padding:.4rem!important;border-radius:50%!important;display:flex;align-items:center;justify-content:center}.portfolio-icon:hover .portfolio-favicon{transform:scale(1.1);border-color:var(--primary);box-shadow:0 0 15px #8b5cf666}.github-icon{padding:.4rem!important;border-radius:50%!important;display:flex;align-items:center;justify-content:center}.github-icon ion-icon{font-size:1.3rem}.nav-item.icon-only{padding:.4rem!important;min-width:auto!important}.nav-item.icon-only span{display:none}.practice-link.active{color:var(--primary)!important;background:#8b5cf626!important;border:1px solid rgba(139,92,246,.3)}.nav-item.active{color:var(--primary)!important;background:#8b5cf626!important}.roadmap-link{position:relative;border:1px solid rgba(236,72,153,.25);background:#ec489914;color:var(--text-main)}.roadmap-link:hover{border-color:#ec489973;box-shadow:0 0 18px #ec489933}.practice-main{padding:2rem;max-width:1400px;margin:0 auto}.practice-sheet-container{padding:2rem 0}.practice-header{margin-bottom:3rem;text-align:center}.progress-card{margin:2rem auto 0;max-width:720px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:20px;padding:1.25rem 1.25rem 1.5rem;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.progress-card-title{display:inline-flex;align-items:center;justify-content:center;padding:.35rem 1rem;border-radius:999px;border:1px solid var(--glass-border);font-weight:800;color:var(--text-main);background:#ffffff08;margin-bottom:1.25rem}.progress-card-body{display:grid;grid-template-columns:220px 1fr;gap:1.5rem;align-items:center;justify-items:center}.progress-ring{--size: 180px;--thickness: 14px;width:var(--size);height:var(--size);border-radius:50%;background:conic-gradient(#10b981 calc(var(--p) * 1%),#ffffff14 0);position:relative;display:grid;place-items:center}[data-theme=light] .progress-ring{background:conic-gradient(#10b981 calc(var(--p) * 1%),#00000014 0)}.progress-ring:before{content:"";position:absolute;inset:var(--thickness);border-radius:50%;background:var(--bg-main);border:1px solid var(--glass-border)}.progress-ring-inner{position:relative;text-align:center;z-index:2}.progress-ring-main{font-size:2.2rem;font-weight:900;line-height:1;color:var(--text-main);font-variant-numeric:tabular-nums}.progress-ring-sub{margin-top:.25rem;font-size:.9rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.progress-breakdown{width:100%;max-width:360px;display:flex;flex-direction:column;gap:.9rem;text-align:left}.roadmap-v5-container{max-width:1000px;margin:0 auto;padding-bottom:5rem}.v6-mission-control{margin-top:10rem;margin-bottom:5rem;position:sticky;top:6rem;z-index:100}.v6-dash-inner{background:#ffffff08;-webkit-backdrop-filter:blur(40px) saturate(180%);backdrop-filter:blur(40px) saturate(180%);border:1px solid rgba(255,255,255,.1);border-radius:32px;padding:1.8rem 3rem;display:grid;grid-template-columns:1.5fr 1fr;align-items:center;gap:4rem;max-width:1000px;margin:0 auto;box-shadow:0 30px 60px -12px #00000080,inset 0 0 0 1px #ffffff0d}.v6-segment.main-progress{display:flex;flex-direction:column;gap:1.2rem}.v6-meta{display:flex;justify-content:space-between;align-items:flex-end}.v6-lbl{font-size:.75rem;font-weight:900;letter-spacing:2px;color:var(--primary);text-shadow:0 0 20px rgba(var(--primary-rgb),.4)}.v6-pct-val{font-size:2.2rem;font-weight:1000;line-height:.9;color:var(--text-main)}.v6-progress-track{height:10px;background:#ffffff0d;border-radius:20px;overflow:hidden;position:relative}.v6-progress-bar{height:100%;background:linear-gradient(90deg,var(--primary),#8b5cf6);border-radius:20px;position:relative;transition:width 1.2s cubic-bezier(.34,1.56,.64,1)}.v6-bar-glow{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:bar-shimmer 2s infinite linear}@keyframes bar-shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.v6-segment.stats-hub{display:flex;justify-content:space-around;padding-left:3rem;border-left:1px solid rgba(255,255,255,.1)}.v6-stat-tile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:.6rem 1rem;border-radius:16px;transition:all .3s ease;min-width:80px}.v6-stat-tile:hover{background:#ffffff0d;transform:translateY(-2px)}.v6-s-val{font-size:1.5rem;font-weight:1000;color:var(--text-main);line-height:1}.v6-s-val span{font-size:.85rem;color:var(--text-muted);font-weight:600;opacity:.6}.v6-stat-tile label{font-size:.65rem;font-weight:950;letter-spacing:1.5px;opacity:.9}.v6-stat-tile.easy label{color:#10b981}.v6-stat-tile.easy:hover{box-shadow:0 10px 20px -10px #10b98133}.v6-stat-tile.medium label{color:#f59e0b}.v6-stat-tile.medium:hover{box-shadow:0 10px 20px -10px #f59e0b33}.v6-stat-tile.hard label{color:#ef4444}.v6-stat-tile.hard:hover{box-shadow:0 10px 20px -10px #ef444433}.v5-global-mastery{position:relative;width:70px;height:70px}.v5-bg-ring{fill:none;stroke:var(--glass-border);stroke-width:8}.v5-fill-ring{fill:none;stroke:var(--primary);stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset 1s ease}.v5-pct-display{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.v5-pct-num{font-size:1.1rem;font-weight:950;color:var(--text-main)}.v5-topic-section{margin-bottom:3rem;padding:0 .5rem}.v5-topic-meta{margin-bottom:1.5rem}.v5-topic-title{font-size:1.6rem;font-weight:900;letter-spacing:-.5px;margin-bottom:.2rem}.v5-topic-description{font-size:.85rem;color:var(--text-muted);font-weight:500}.v5-list{display:flex;flex-direction:column;gap:.6rem}.v5-item-row{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:14px;padding:.8rem 1.5rem;display:flex;align-items:center;gap:1.2rem;transition:all .2s cubic-bezier(.4,0,.2,1)}.v5-item-row:hover{transform:translate(8px);border-color:var(--primary);background:var(--bg-secondary)}.v5-item-row.is-solved{background:#10b9810d;border-color:#10b98166}.v5-modern-checkbox{background:none;border:none;cursor:pointer;padding:0}.v5-box{width:24px;height:24px;border:2px solid var(--text-muted);border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s;color:#fff}.v5-box.checked{background:#10b981;border-color:#10b981;box-shadow:0 0 10px #10b9814d}.v5-box ion-icon{font-size:1.2rem}.v5-cell.content{flex:1;display:flex;align-items:center;gap:.8rem;min-width:0}.v5-p-name{font-weight:750;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.is-solved .v5-p-name{color:#10b981}.v5-difficulty-mini{font-size:.6rem;font-weight:900;text-transform:uppercase;padding:2px 8px;border-radius:4px;flex-shrink:0}.v5-difficulty-mini.easy{background:#10b9811a;color:#10b981}.v5-difficulty-mini.medium{background:#fbbf241a;color:#fbbf24}.v5-difficulty-mini.hard{background:#ef44441a;color:#ef4444}.v5-cell.links{display:flex;gap:.6rem}.v5-platform-link{font-size:.75rem;font-weight:800;text-decoration:none;padding:.4rem .8rem;border-radius:8px;border:1px solid var(--glass-border);transition:all .2s}.v5-platform-link.gfg{color:#2e8b57;background:#2e8b570d}.v5-platform-link.lc{color:#ffa116;background:#ffa1160d}.v5-platform-link:hover{background:var(--bg-main);transform:translateY(-2px)}@media (max-width: 768px){.v5-fixed-header{top:1rem;padding:1rem;border-radius:16px}.v5-logo{font-size:1.5rem}.v5-stats-row{display:none}.v5-item-row{flex-wrap:wrap;gap:.8rem}.v5-cell.links{width:100%;justify-content:flex-end}}.v5-subtopic-block{margin-bottom:2.5rem}.v5-subtopic-name{font-size:.72rem;font-weight:850;letter-spacing:1.2px;color:var(--text-muted);text-transform:uppercase;margin:1.5rem 0 .8rem;padding-left:.75rem;border-left:3px solid var(--primary);display:flex;align-items:center}@media (max-width: 768px){.nav-container{border-radius:20px;padding:.5rem .75rem;width:95%}.nav-links span{display:none}.brand span{font-size:.95rem}}