:root{font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:#111827;background:#f3f4f6}
*{box-sizing:border-box}body{margin:0}.hidden{display:none!important}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(420px,100%);background:#fff;padding:28px;border-radius:16px;box-shadow:0 10px 30px #0002}
label{display:grid;gap:6px;margin:14px 0}input,select,textarea,button{font:inherit}
input,select,textarea{padding:10px 12px;border:1px solid #d1d5db;border-radius:9px;background:#fff}
button{border:0;border-radius:9px;padding:10px 14px;background:#111827;color:#fff;cursor:pointer}
button.secondary{background:#374151}.error{color:#b91c1c;margin-top:10px}
.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:#111827;color:#fff;padding:18px;display:flex;flex-direction:column;gap:18px}
.brand{font-weight:700;font-size:20px}.sidebar nav{display:grid;gap:6px}
.nav-btn{width:100%;text-align:left;background:transparent;color:#e5e7eb}.nav-btn.active,.nav-btn:hover{background:#1f2937}
.sidebar-bottom{margin-top:auto;display:grid;gap:10px}.topbar{height:76px;background:#fff;border-bottom:1px solid #e5e7eb;padding:12px 22px;display:flex;align-items:center;justify-content:space-between}
.topbar h2{margin:0}.top-actions{display:flex;gap:8px;align-items:center}.content{padding:22px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.card,.panel{background:#fff;border-radius:12px;padding:16px;box-shadow:0 2px 10px #0000000d}
.card strong{font-size:26px;display:block;margin-top:6px}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}th,td{text-align:left;padding:10px;border-bottom:1px solid #e5e7eb;font-size:14px}th{background:#f9fafb}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#374151;font-size:12px}.badge.online{background:#166534}.badge.offline{background:#991b1b}
.queue{display:grid;gap:8px}.queue-item{background:#fff;padding:12px;border-radius:10px;border-left:4px solid #9ca3af}.muted{color:#6b7280}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:820px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:4;display:block}.sidebar nav{display:flex;overflow:auto}.sidebar-bottom{display:none}.nav-btn{white-space:nowrap}.topbar{height:auto}.grid2{grid-template-columns:1fr}}