:root{
  --bg:#07111f;
  --panel:#0f1d33;
  --soft:#142742;
  --text:#f7fbff;
  --muted:#a9b7c9;
  --line:rgba(255,255,255,.12);
  --accent:#18f2a3;
  --accent2:#4f8cff;
  --gold:#ffc857;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;
  background:linear-gradient(135deg,#07111f,#0a1627 55%,#06101d);
  color:var(--text);
  min-height:100vh;
}
.bg-glow{position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 25% 20%,rgba(24,242,163,.16),transparent 28%),radial-gradient(circle at 85% 15%,rgba(79,140,255,.16),transparent 28%)}
button,input{font:inherit}
button{cursor:pointer}
.sidebar{
  position:fixed;inset:0 auto 0 0;width:250px;padding:26px 22px;
  background:rgba(6,13,24,.72);backdrop-filter:blur(16px);
  border-right:1px solid var(--line);display:flex;flex-direction:column;gap:34px;
}
.brand{display:flex;gap:10px;align-items:center;font-size:21px;font-weight:950;color:var(--text);text-decoration:none}
.brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;color:#06101d;font-weight:950}
nav{display:grid;gap:8px}
.nav-link{
  border:0;background:transparent;color:var(--muted);font-weight:850;text-align:left;
  padding:14px 16px;border-radius:16px;
}
.nav-link:hover,.nav-link.active{background:rgba(255,255,255,.07);color:var(--text)}
.side-note{margin-top:auto;border:1px solid var(--line);border-radius:22px;padding:18px;background:rgba(255,255,255,.055)}
.side-note span,.side-note small,.eyebrow,.small-muted{color:var(--muted)}
.side-note strong{display:block;color:var(--accent);font-size:30px;margin:4px 0}
.shell{margin-left:250px;padding:34px 6% 70px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}
.eyebrow{display:block;text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:950;color:var(--accent)}
h1{font-size:clamp(42px,6vw,76px);line-height:.9;letter-spacing:-.07em;margin:8px 0 0}
h2{font-size:clamp(32px,4vw,54px);line-height:1;letter-spacing:-.05em;margin:10px 0 14px}
h3{font-size:24px;margin:8px 0 10px}
p{color:var(--muted);line-height:1.6}
.top-actions{display:flex;gap:12px}
.btn{border:0;border-radius:999px;padding:13px 20px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06101d;font-weight:950}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.full{width:100%}
.view{display:none}
.view.active{display:block}
.hero-card,.panel,.action-card,.challenge-card{
  border:1px solid var(--line);border-radius:30px;
  background:linear-gradient(180deg,rgba(255,255,255,.095),rgba(255,255,255,.035));
  box-shadow:0 24px 80px rgba(0,0,0,.20);
}
.hero-card{padding:34px;display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center;margin-bottom:22px}
.hero-card p{max-width:600px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hero-stats div{background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:22px;padding:18px}
.hero-stats span{display:block;color:var(--muted);font-weight:750;font-size:13px}
.hero-stats strong{display:block;color:var(--accent);font-size:30px;margin-top:8px}
.main-grid{display:grid;grid-template-columns:1.6fr .8fr;gap:22px}
.panel{padding:28px}
.panel-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}
.live-badge{font-size:11px;font-weight:950;background:var(--accent);color:#06101d;border-radius:999px;padding:8px 11px}
.leaderboard{display:grid;gap:8px;margin-top:18px}
.leader-row{display:grid;grid-template-columns:70px 1fr 120px 90px;gap:12px;align-items:center;padding:16px;border-radius:18px;background:rgba(255,255,255,.045)}
.leader-row.head{background:transparent;color:var(--muted);text-transform:uppercase;font-size:12px;font-weight:950;letter-spacing:.08em}
.leader-row span:first-child{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);font-weight:950}
.leader-row em{font-style:normal;color:var(--muted);font-weight:850}
.gold{background:rgba(255,200,87,.12)}
.silver{background:rgba(216,226,238,.10)}
.bronze{background:rgba(205,127,50,.13)}
.you{border:1px solid rgba(24,242,163,.35)}
.progress-panel{text-align:center}
.ring{width:190px;height:190px;border-radius:50%;margin:20px auto;display:grid;place-items:center;position:relative;background:conic-gradient(var(--accent) calc(var(--progress)*1%),rgba(255,255,255,.10) 0);font-size:42px;font-weight:950}
.ring:after{content:"";position:absolute;width:132px;height:132px;border-radius:50%;background:#10203a}
.ring span{position:relative;z-index:2}
.action-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
.action-card{text-align:left;padding:22px;color:var(--text)}
.action-card span{display:block;color:var(--muted);font-weight:800}
.action-card strong{font-size:24px;color:var(--text)}
.simple-header{margin-bottom:22px;max-width:760px}
.challenge-list{display:grid;gap:16px}
.challenge-card{padding:26px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.challenge-card.featured{border-color:rgba(24,242,163,.35)}
.challenge-price{text-align:right}
.challenge-price strong{display:block;color:var(--accent);font-size:34px;margin-bottom:14px}
.full-board .leader-row{grid-template-columns:70px 1fr 1fr 120px}
.wallet-card strong{display:block;color:var(--accent);font-size:68px;letter-spacing:-.05em;margin:16px 0}
.clean-form,.profile-form{display:grid;gap:12px}
input{width:100%;border:1px solid var(--line);background:#0b1728;color:var(--text);border-radius:999px;padding:15px 17px;outline:none}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.62);display:none;place-items:center;z-index:100;padding:20px}
.modal.active{display:grid}
.modal-card{width:min(520px,100%);border:1px solid var(--line);border-radius:28px;background:#0d1b2f;padding:30px;position:relative}
.close{position:absolute;right:18px;top:14px;border:0;background:transparent;color:var(--text);font-size:32px}
@media(max-width:1000px){
  .sidebar{position:relative;width:auto;inset:auto}
  .shell{margin-left:0;padding:26px 5% 60px}
  .hero-card,.main-grid{grid-template-columns:1fr}
  .action-strip,.hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:650px){
  .topbar,.challenge-card{flex-direction:column;align-items:flex-start}
  .top-actions,.challenge-price{width:100%;text-align:left}
  .action-strip,.hero-stats{grid-template-columns:1fr}
  .leader-row,.full-board .leader-row{grid-template-columns:48px 1fr 92px}
  .leader-row em{display:none}
  .leader-row.head span:nth-child(4),.leader-row.head span:nth-child(3){display:none}
}