:root{
  --bg:#0b0d10; --card:#12161c; --text:#e7edf5; --muted:#9fb0c3; --border:#252a33; --primary:#2563eb;
}
:root[data-theme="light"]{
  --bg:#f6f7fb; --card:#ffffff; --text:#0b0d10; --muted:#4b5563; --border:#e5e7eb; --primary:#2563eb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:#4f83ff;text-decoration:none}
.container{max-width:990px;margin:0 auto;padding:14px}
.topbar{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--border);z-index:50}
.topbar .wrap{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:10px 14px}
.brand img{height:24px;margin-right:6px;vertical-align:middle}
.brand a{display:flex;align-items:center;font-weight:700;color:var(--text)}
.nav{display:flex;gap:10px;align-items:center}
.nav a{padding:8px 10px;border-radius:10px}
.nav a.active{background:rgba(37,99,235,.15)}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;border:none;border-radius:12px;padding:8px 12px;font-weight:600;cursor:pointer}
.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:14px;margin:12px 0}
h1,h2{margin:8px 0 12px}
input,select{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:8px 10px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid var(--border);vertical-align:middle}
th{text-align:left;font-weight:700}
/* Progress ring */
.ring-wrap{display:grid;place-items:center;gap:8px}
.ring{--p:0;--size:140px;--stroke:10px;width:var(--size);height:var(--size);border-radius:50%;position:relative;display:grid;place-items:center;background:conic-gradient(var(--primary) calc(var(--p)*1%), rgba(0,0,0,0.12) 0)}
.ring span{font-weight:700;position:relative;z-index:1}
.ring::before{content:"";position:absolute;inset:var(--stroke);background:var(--card);border-radius:50%}
/* Bottom navigation */
.bottom-nav{display:none}
@media (max-width:799px){
  .bottom-nav{position:fixed;left:0;right:0;bottom:0;height:64px;display:flex;justify-content:space-around;align-items:center;background:color-mix(in oklab, var(--bg) 88%, transparent);backdrop-filter:blur(8px);border-top:1px solid var(--border);padding:6px 8px calc(6px + env(safe-area-inset-bottom)) 8px;z-index:100}
  .bottom-nav a{display:flex;flex-direction:column;gap:2px;min-width:56px;font-size:12px;color:var(--muted)}
  main.container{padding-bottom:90px}
  .topbar .nav a.hide-on-mobile{display:none}
}
.bottom-nav a.active{background:rgba(37,99,235,.15);color:var(--text);border-radius:12px;padding:6px 8px}
canvas.resp{width:100%!important;height:300px!important}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:rgba(251,146,60,.2);border:1px solid rgba(251,146,60,.4);font-size:12px;margin-left:6px}
/* Weight table mobile */
@media (max-width:560px){
  .weight-table th:nth-child(3), .weight-table td:nth-child(3){display:none}
  .weight-table th, .weight-table td{padding:8px 10px}
}
/* Rank list */
.rank-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.rank-item{display:grid;grid-template-columns:28px 1fr auto;gap:10px;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:10px}
.progress{width:100%;height:10px;background:var(--border);border-radius:999px;overflow:hidden}
.progress > i{display:block;height:100%;background:var(--primary)}
.footer{border-top:1px solid var(--border);padding:14px;text-align:center;color:var(--muted)}