:root{
  --acc:#5e5ce6; --acc2:#bf5af2;
  --acc-grad:linear-gradient(135deg,#5e5ce6,#7b5cf0 55%,#bf5af2);
  --acc-soft:rgba(94,92,230,.12); --acc-border:rgba(94,92,230,.20);
  --bg:#f4f4f7; --card:#fff; --border:#ececef;
  --text:#1d1d1f; --sub:#6b6b76; --tert:#b4b4bc;
  --good:#34c759; --warn:#ff9f0a; --bad:#ff3b30;
  --track:rgba(120,120,140,.16);
  --radius:18px; --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 22px rgba(0,0,0,.04);
  --frost:rgba(255,255,255,.72);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,system-ui,"SF Pro Display",sans-serif;color:var(--text);
  background:radial-gradient(at 15% 0%,rgba(120,160,255,.18),transparent 46%),
             radial-gradient(at 92% 6%,rgba(255,150,200,.13),transparent 40%),
             radial-gradient(at 72% 100%,rgba(150,140,255,.16),transparent 46%),var(--bg);min-height:100vh}
a{color:inherit;text-decoration:none}
.wrap{max-width:1000px;margin:0 auto;padding:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.frost{background:var(--frost);border:1px solid rgba(255,255,255,.75);box-shadow:0 8px 30px rgba(80,80,140,.10);
  -webkit-backdrop-filter:blur(18px) saturate(180%);backdrop-filter:blur(18px) saturate(180%);border-radius:var(--radius)}
.btn{border:none;cursor:pointer;background:var(--acc);color:#fff;font-weight:600;font-size:14px;padding:11px 18px;border-radius:12px;
  box-shadow:0 6px 16px rgba(94,92,230,.30)}
.btn.ghost{background:#fff;color:var(--acc);border:1px solid var(--acc-border);box-shadow:none}
.chip{display:inline-block;font-size:12.5px;font-weight:600;color:var(--acc);background:var(--acc-soft);
  border:1px solid var(--acc-border);padding:6px 11px;border-radius:999px}
.meter{height:7px;border-radius:999px;background:var(--track);overflow:hidden}
.meter>i{display:block;height:100%;border-radius:999px;background:var(--acc-grad)}
.meter.low>i{background:var(--warn)}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:16px}
.brand .lg{width:27px;height:27px;border-radius:8px;background:var(--acc-grad);color:#fff;display:flex;
  align-items:center;justify-content:center;font-weight:800;font-size:15px}
.muted{color:var(--sub)}
/* customer top nav */
.topnav{display:flex;align-items:center;gap:6px;max-width:1000px;margin:0 auto;padding:16px 22px}
.topnav .sp{flex:1}
.topnav .link{display:inline-flex;align-items:center;gap:7px;color:#54545c;font-size:13.5px;font-weight:600;
  padding:8px 14px;border-radius:999px;border:1px solid transparent;background:none;cursor:pointer;
  font-family:inherit;line-height:1;transition:background .15s ease,color .15s ease,border-color .15s ease}
.topnav .link svg{width:16px;height:16px;flex-shrink:0;opacity:.75}
.topnav .link:hover{background:rgba(255,255,255,.78);color:var(--text);box-shadow:0 1px 4px rgba(20,20,50,.06)}
.topnav .link.on{color:var(--acc);background:var(--acc-soft);border-color:var(--acc-border)}
.topnav .link.on svg{opacity:1}
.topnav .link.exit{color:#8a8a93}
.topnav .link.exit:hover{color:var(--bad);background:rgba(255,59,48,.08);box-shadow:none}
/* admin shell */
.admin{display:flex;min-height:100vh}
.side{width:206px;flex-shrink:0;padding:18px 12px;border-right:1px solid var(--border);background:var(--frost);
  -webkit-backdrop-filter:blur(18px) saturate(180%);backdrop-filter:blur(18px) saturate(180%)}
.side .nav{display:flex;flex-direction:column;gap:2px;margin-top:14px}
.side .nav a{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:9px;font-size:13.5px;color:#46464e;font-weight:500}
.side .nav a svg{width:18px;height:18px;color:#9a9aa4}
.side .nav a.on{background:var(--acc);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(94,92,230,.32)}
.side .nav a.on svg{color:#fff}
.admin .main{flex:1;min-width:0;padding:20px}