:root{
  --bg:#0b1020;
  --panel:#121a2b;
  --panel2:#172033;
  --line:#26344f;
  --text:#edf3ff;
  --muted:#9fb0ca;
  --accent:#6ea8ff;
  --accent2:#7cf3c3;
  --danger:#ff7b7b;
  --warn:#ffd17a;
  --shadow:0 18px 50px rgba(0,0,0,.30);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:
  radial-gradient(circle at top left,#16213c 0,transparent 35%),
  var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}
a{color:inherit;text-decoration:none}
body{min-height:100vh}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:10;
  backdrop-filter:blur(12px);
  background:rgba(8,13,27,.82);
  border-bottom:1px solid var(--line)
}
.topbar-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.03em}
.logo{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#8f7cff);
  box-shadow:0 8px 24px rgba(110,168,255,.25)
}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav a{padding:9px 12px;border-radius:10px;color:var(--muted)}
.nav a:hover,.nav a.active{background:var(--panel2);color:var(--text)}
.hero{padding:56px 0 28px}
.kicker{color:var(--accent2);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
h1{font-size:clamp(32px,5vw,54px);line-height:1.05;margin:12px 0}
h2{font-size:23px;margin:0 0 16px}
p{color:var(--muted);line-height:1.8}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{
  background:linear-gradient(180deg,rgba(22,31,51,.98),rgba(15,23,39,.98));
  border:1px solid var(--line);
  border-radius:18px;padding:22px;
  box-shadow:var(--shadow)
}
.stat{font-size:30px;font-weight:850;margin-top:8px}
.label{font-size:13px;color:var(--muted)}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);background:#10182a;
  color:var(--muted);font-size:12px
}
.badge.ok{color:#9ff0d0;border-color:#295947;background:#10281f}
.badge.warn{color:#ffe0a3;border-color:#604a22;background:#2b2210}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;min-width:760px;background:#10182a}
th,td{padding:14px 15px;border-bottom:1px solid #22304a;text-align:left;white-space:nowrap}
th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#a9bad4;background:#131d31}
tbody tr:hover{background:#15203a}
.rank{font-size:18px;font-weight:850}
.rank.top{color:#ffd775}
.team-pill{display:inline-flex;align-items:center;gap:9px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent)}
section{padding:18px 0 30px}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{
  border:0;border-radius:11px;padding:11px 15px;
  background:#22304a;color:var(--text);font-weight:750;cursor:pointer
}
.btn.primary{background:linear-gradient(135deg,var(--accent),#7f7cff);color:white}
.btn.danger{background:#41202a;color:#ffb8bf}
.btn:hover{filter:brightness(1.08)}
.meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.hr{height:1px;background:var(--line);margin:20px 0}
.form-card{width:min(460px,100%);margin:58px auto}
.field{margin-bottom:16px}
label{display:block;margin-bottom:7px;font-size:13px;color:#c6d4ea;font-weight:700}
input{
  width:100%;border:1px solid var(--line);border-radius:11px;
  background:#0d1526;color:var(--text);padding:13px 14px;
  outline:none;font-size:15px
}
input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(110,168,255,.12)}
.notice{
  padding:12px 14px;border-radius:11px;background:#281a1f;
  border:1px solid #5b2b35;color:#ffb8c3;font-size:13px;display:none
}
.notice.show{display:block}
.success{
  width:min(720px,100%);margin:65px auto;text-align:center
}
.success-icon{
  width:84px;height:84px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;font-size:38px;font-weight:900;
  background:#123829;border:1px solid #2a6a50;color:#8ff0c5
}
.list{display:grid;gap:10px}
.list-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}
.list-row:last-child{border-bottom:0}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
.footer{padding:40px 0 50px;color:#72839e;font-size:12px}
@media (max-width:840px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .nav{display:none}
  .hero{padding-top:38px}
}