:root{--bg: #0a0a0c;--surface: #111114;--surface-2: #16161a;--surface-3: #1c1c22;--border: #232329;--border-soft: #1a1a20;--fg: #f6f5f3;--muted: #9a98a3;--muted-2: #6c6a76;--accent: #ff4d6d;--accent-soft: #ff4d6d22;--accent-2: #ffb38a;--ok: #5fd2a3;--warn: #f0c674;--err: #ff5a5f;--lvl-bronze: #b97e57;--lvl-silver: #c0c4cb;--lvl-gold: #e2b25b;--lvl-viral: #ff4d6d;--lvl-elite: linear-gradient(135deg, #ff4d6d, #ffb38a);--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 24px;--shadow-1: 0 1px 0 #ffffff08 inset, 0 8px 24px #00000040;--shell-top: 64px;--shell-nav: 220px;--maxw: 1200px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;font-feature-settings:"ss01","cv11";background:var(--bg);color:var(--fg);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.01em}h1{font-size:28px}h2{font-size:22px}h3{font-size:18px}.muted{color:var(--muted)}.muted-2{color:var(--muted-2)}.ok{color:var(--ok)}.err{color:var(--err)}hr{border:0;border-top:1px solid var(--border);margin:16px 0}pre{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md);padding:12px;overflow:auto;font-size:12px}.btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--border);background:var(--surface-2);color:var(--fg);padding:11px 16px;border-radius:var(--r-md);font-size:14px;font-weight:500;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .05s ease}.btn:hover:not(:disabled){background:var(--surface-3)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--accent);border-color:var(--accent);color:#1a0006}.btn--primary:hover:not(:disabled){background:#ff6680;border-color:#ff6680}.btn--ghost{background:transparent}.btn--sm{padding:7px 12px;font-size:13px}.btn--block{width:100%}.input{width:100%;background:var(--surface-2);border:1px solid var(--border);color:var(--fg);border-radius:var(--r-md);padding:11px 14px;font-size:14px;font-family:inherit}.input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.field{display:flex;flex-direction:column;gap:6px}.field__label{font-size:13px;color:var(--muted)}.stack{display:flex;flex-direction:column;gap:12px}.row{display:flex;align-items:center;gap:12px}.row--between{justify-content:space-between}.grid{display:grid;gap:16px}.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}@media (max-width: 760px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}.page{max-width:var(--maxw);margin:0 auto;padding:28px 24px 80px}.page--center{display:flex;flex-direction:column;gap:14px;max-width:400px;margin:0 auto;padding:80px 24px}.page__title{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px}.shell{min-height:100%;display:grid;grid-template-columns:var(--shell-nav) 1fr;grid-template-rows:var(--shell-top) 1fr;grid-template-areas:"top top" "nav main"}.shell__top{grid-area:top;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.shell__brand{display:flex;align-items:center;gap:10px;font-weight:600}.brand-mark{width:22px;height:22px;border-radius:6px;background:var(--lvl-elite)}.brand-name__dim{color:var(--muted);margin-left:2px}.shell__status{display:flex;align-items:center;gap:16px}.xp-mini{display:flex;flex-direction:column;gap:4px;min-width:180px}.xp-mini__value{font-size:13px;font-weight:600}.xp-mini__next{font-size:11px;color:var(--muted)}.shell__nav{grid-area:nav;background:var(--surface);border-right:1px solid var(--border);padding:18px 12px;display:flex;flex-direction:column;gap:2px}.nav-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--r-md);color:var(--muted);font-size:14px}.nav-link:hover{background:var(--surface-2);color:var(--fg)}.nav-link--active{background:var(--surface-3);color:var(--fg)}.shell__main{grid-area:main;min-width:0}@media (max-width: 880px){.shell{grid-template-columns:1fr;grid-template-rows:var(--shell-top) 1fr auto;grid-template-areas:"top" "main" "nav"}.shell__nav{border-right:0;border-top:1px solid var(--border);flex-direction:row;justify-content:space-around;padding:8px;gap:4px;position:sticky;bottom:0}.nav-link{flex-direction:column;gap:2px;font-size:11px;padding:8px 6px;flex:1}.nav-link span{display:block}.shell__status{gap:8px}.xp-mini{display:none}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-1)}.card__header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.card__title{font-size:16px;font-weight:600}.card__subtitle{font-size:13px;color:var(--muted);margin-top:2px}.progress{display:flex;flex-direction:column;gap:6px}.progress__meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.progress__track{height:8px;background:var(--surface-3);border-radius:999px;overflow:hidden}.progress__fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:999px;transition:width .25s ease}.level-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-size:12px;font-weight:600;letter-spacing:.01em}.level-badge__dot{width:8px;height:8px;border-radius:999px;background:var(--muted)}.level-badge--bronze .level-badge__dot{background:var(--lvl-bronze)}.level-badge--silver .level-badge__dot{background:var(--lvl-silver)}.level-badge--gold .level-badge__dot{background:var(--lvl-gold)}.level-badge--viral .level-badge__dot{background:var(--lvl-viral)}.level-badge--elite .level-badge__dot{background:var(--lvl-elite)}.level-badge--lg{font-size:14px;padding:8px 14px}.streak{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-size:12px}.streak strong{color:var(--fg)}.streak__unit,.streak--cool{color:var(--muted)}.streak--warm{color:var(--warn)}.streak--hot{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.score-ring{position:relative;display:inline-flex;align-items:center;justify-content:center}.score-ring__track{fill:none;stroke:var(--surface-3);stroke-width:6}.score-ring__fill{fill:none;stroke:var(--accent);stroke-width:6;stroke-linecap:round;transition:stroke-dashoffset .3s ease}.score-ring--low .score-ring__fill{stroke:var(--err)}.score-ring--mid .score-ring__fill{stroke:var(--warn)}.score-ring--high .score-ring__fill{stroke:var(--ok)}.score-ring__value{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.score-ring__value strong{font-size:18px;font-weight:700}.score-ring__value span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.pill{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;background:var(--surface-3);border:1px solid var(--border-soft);font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.pill--brand{color:var(--accent);border-color:var(--accent)}.pill--niche{color:var(--accent-2)}.pill--educational{color:var(--ok)}.pill--trend{color:var(--warn)}.pill--story{color:#b8a8ff}.pill--problem_solution{color:#8ad6ff}.status{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.status--submitted{color:var(--warn)}.status--completed{color:var(--ok)}.status--rejected{color:var(--err)}.reward{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--accent)}.reward__unlock{color:var(--accent-2)}.challenge-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:18px;display:flex;flex-direction:column;gap:12px;transition:border-color .15s ease}.challenge-card:hover{border-color:var(--accent-soft)}.challenge-card--completed{opacity:.65}.challenge-card__head{display:flex;align-items:center;justify-content:space-between}.challenge-card__title{font-size:16px;font-weight:600}.challenge-card__desc{font-size:13px;color:var(--muted)}.challenge-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px;display:flex;align-items:center;gap:12px}.stat__icon{color:var(--accent)}.stat__value{font-size:22px;font-weight:700;line-height:1}.stat__label{font-size:12px;color:var(--muted);margin-top:4px;text-transform:uppercase;letter-spacing:.04em}.stat__hint{font-size:11px;color:var(--muted-2);margin-top:2px}.empty{border:1px dashed var(--border);border-radius:var(--r-lg);padding:32px;text-align:center;color:var(--muted)}.empty__title{color:var(--fg);margin-bottom:6px}.empty__hint{font-size:13px}.skeleton{display:block;background:linear-gradient(90deg,var(--surface-2) 0%,var(--surface-3) 50%,var(--surface-2) 100%);background-size:200% 100%;animation:shimmer 1.4s linear infinite}.skeleton-card{display:flex;flex-direction:column;gap:10px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.login{display:flex;flex-direction:column;gap:14px;background:var(--surface);border:1px solid var(--border);padding:28px;border-radius:var(--r-xl);box-shadow:var(--shadow-1)}.login__title{font-size:22px;font-weight:700}.login__lead{color:var(--muted);font-size:14px}.btn--social{justify-content:flex-start;padding-left:16px}.wizard{display:flex;flex-direction:column;gap:18px}.wizard__steps{display:flex;gap:6px}.wizard__step{flex:1;height:4px;border-radius:999px;background:var(--surface-3)}.wizard__step--done{background:var(--accent)}.wizard__step--active{background:linear-gradient(90deg,var(--accent),var(--accent-2))}.chip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}.chip{border:1px solid var(--border);background:var(--surface-2);color:var(--fg);padding:10px 12px;border-radius:var(--r-md);font-size:13px;cursor:pointer;text-align:left}.chip:hover{border-color:var(--accent-soft)}.chip--active{border-color:var(--accent);background:var(--accent-soft);color:var(--fg)}.hero{background:linear-gradient(135deg,var(--surface) 0%,var(--surface-2) 100%);border:1px solid var(--border);border-radius:var(--r-xl);padding:24px}.hero__greet{font-size:13px;color:var(--muted)}.hero__name{font-size:28px;font-weight:700;margin-top:2px}.hero__row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}.video-row{display:grid;grid-template-columns:80px 1fr auto;gap:14px;align-items:center;padding:14px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--surface)}.video-row__thumb{width:80px;aspect-ratio:9 / 16;border-radius:var(--r-md);background:var(--surface-3) linear-gradient(135deg,#2a1a24,#1a1a2a)}.video-row__title{font-size:14px;font-weight:500}.video-row__meta{font-size:12px;color:var(--muted);margin-top:4px}.lb-row{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:14px;padding:12px 16px;border-bottom:1px solid var(--border-soft)}.lb-row:last-child{border-bottom:0}.lb-row__rank{font-weight:700;font-variant-numeric:tabular-nums;color:var(--muted)}.lb-row__rank--top1{color:var(--lvl-gold)}.lb-row__rank--top2{color:var(--lvl-silver)}.lb-row__rank--top3{color:var(--lvl-bronze)}.lb-row__name{font-weight:500}.lb-row__score{font-variant-numeric:tabular-nums;color:var(--fg)}.lb-row--self{background:var(--accent-soft);border-left:3px solid var(--accent)}.segmented{display:inline-flex;padding:4px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md)}.segmented button{background:transparent;border:0;color:var(--muted);padding:6px 12px;border-radius:var(--r-sm);cursor:pointer;font-size:13px}.segmented button[aria-pressed=true]{background:var(--surface-3);color:var(--fg)}.ref-code{display:flex;align-items:center;justify-content:space-between;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px}.ref-code__value{font-family:ui-monospace,JetBrains Mono,monospace;font-size:20px;letter-spacing:.04em}.unlock-card{display:flex;flex-direction:column;gap:8px;padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);position:relative}.unlock-card--locked{opacity:.6}.unlock-card__title{font-weight:600}.unlock-card__sub{font-size:12px;color:var(--muted)}.unlock-card__cost{font-size:12px;color:var(--accent)}.unlock-card__lock{position:absolute;top:14px;right:14px;color:var(--muted)}.icon{vertical-align:middle;flex-shrink:0}