:root{
  --bg:#0b1020; --card:#121831; --muted:#6e7aad; --text:#eaf0ff;
  --acc:#7c5cff; --acc2:#00e0ff; --green:#10c470; --red:#ff5c77;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(1200px 800px at 10% 0%, rgba(0,224,255,0.12), transparent 50%), radial-gradient(1200px 800px at 90% 0%, rgba(124,92,255,0.10), transparent 50%), var(--bg);color:var(--text)}
.glass{background:linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03)); backdrop-filter: blur(10px); border:1px solid rgba(255,255,255,0.08); border-radius:16px; box-shadow: 0 10px 30px rgba(0,0,0,0.35);}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;margin:14px}
.brand{font-weight:800;letter-spacing:.5px;background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent;font-size:20px}
.nav a{color:var(--text);opacity:.9;text-decoration:none;margin:0 10px;padding:8px 12px;border-radius:10px}
.nav a.active,.nav a:hover{background:linear-gradient(90deg,rgba(124,92,255,.2),rgba(0,224,255,.2))}
.container{padding:0 16px 60px;max-width:1200px;margin:0 auto}
.branch-picker{display:flex;align-items:center;gap:12px;margin:12px 0}
select{background:var(--card);border:1px solid rgba(255,255,255,.1);color:var(--text);padding:8px 12px;border-radius:10px}
.badge{padding:6px 10px;border-radius:10px;font-weight:600}
.badge-green{background:rgba(16,196,112,.18);border:1px solid rgba(16,196,112,.5);color:#8ff5c8}
.badge-red{background:rgba(255,92,119,.18);border:1px solid rgba(255,92,119,.5);color:#ffc5cf}
.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:18px 0}
.metric-card{padding:16px}
.metric-title{opacity:.85;font-size:13px}
.metric-value{font-size:32px;font-weight:800;margin:6px 0}
.metric-sub{opacity:.7;font-size:12px}
.cards-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:900px){.cards-grid{grid-template-columns:1fr}}
.card{padding:12px}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 10px}
.card-body{padding:10px}
.branch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.branch-card{background:var(--card);border-radius:12px;padding:12px;border:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:space-between}
.branch-name{font-weight:700}
.branch-badge.on{color:#8ff5c8}
.branch-badge.off{color:#ffc5cf}
.sse-status{opacity:.8;margin-bottom:8px}
.enroll-state{opacity:.85;margin-bottom:8px}
.live-log{font-family:ui-monospace,Consolas,monospace;background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:10px;height:160px;overflow:auto}
.login-body{display:grid;place-items:center;height:100vh}
.login-card{width:340px;padding:20px}
.alert{background:rgba(255,92,119,.2);border:1px solid rgba(255,92,119,.4);padding:10px;border-radius:8px;margin:10px 0}
.form{display:grid;gap:8px}
input{background:var(--card);border:1px solid rgba(255,255,255,.1);color:var(--text);padding:10px;border-radius:10px}
.btn-primary{background:linear-gradient(90deg,var(--acc),var(--acc2));color:white;border:0;padding:10px 12px;border-radius:12px;font-weight:700;cursor:pointer}
table th, table td{padding:8px;border-bottom:1px solid rgba(255,255,255,.08)}