/* Teleconnections Carrier Portal — app.css
   Self-contained (no external fonts/CDNs). Professional slate + indigo theme. */

:root{
  --bg:#0f172a; --bg-side:#111827; --panel:#ffffff; --content:#f1f5f9;
  --ink:#0f172a; --muted:#64748b; --line:#e2e8f0;
  --brand:#4f46e5; --brand-600:#4338ca; --brand-050:#eef2ff;
  --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
  --radius:10px; --shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--content);font-size:14px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
small{color:var(--muted)}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:240px;flex:0 0 240px;background:var(--bg-side);color:#cbd5e1;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.06)}
.brand-mark{color:#818cf8;font-size:22px}
.brand-text{display:flex;flex-direction:column;font-weight:700;color:#fff;line-height:1.15}
.brand-text small{color:#7c8aa5;font-weight:500;font-size:11px;letter-spacing:.04em;text-transform:uppercase}
.nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;
  color:#cbd5e1;font-weight:500}
.nav-item:hover{background:rgba(255,255,255,.05);text-decoration:none;color:#fff}
.nav-item.is-active{background:var(--brand);color:#fff}
.nav-ico{width:18px;text-align:center;opacity:.9}
.sidebar-foot{margin-top:auto;padding:14px 18px;font-size:12px;color:#7c8aa5;
  border-top:1px solid rgba(255,255,255,.06);display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(22,163,74,.2)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;background:var(--panel);border-bottom:1px solid var(--line)}
.topbar-title{margin:0;font-size:18px;font-weight:650}
.topbar-user{display:flex;align-items:center;gap:12px}
.user-name{font-weight:600}
.user-role{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);
  background:var(--content);padding:3px 8px;border-radius:20px}
.content{padding:28px;max-width:1100px;width:100%}

/* ---------- Cards / panels ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;margin-bottom:20px}
.card h2{margin:0 0 4px;font-size:16px}
.card .sub{color:var(--muted);margin:0 0 18px}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}.sidebar{display:none}}

.stat{display:flex;flex-direction:column;gap:6px}
.stat .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.stat .value{font-size:26px;font-weight:700}
.stat .value.ok{color:var(--ok)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:8px;
  font-weight:600;border:1px solid transparent;cursor:pointer;font-size:14px}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-600)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--content)}
.btn-sm{padding:6px 11px;font-size:13px}
.btn-block{width:100%;justify-content:center}

/* ---------- Forms ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px}
.field .hint{color:var(--muted);font-size:12px;margin-top:5px}
input[type=text],input[type=email],input[type=password],input[type=number],select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}
input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-050)}
.input-group{display:flex;align-items:stretch}
.input-group .addon{display:flex;align-items:center;padding:0 12px;background:var(--content);
  border:1px solid var(--line);border-right:0;border-radius:8px 0 0 8px;color:var(--muted);font-weight:600}
.input-group input{border-radius:0 8px 8px 0}

/* ---------- Tables ---------- */
.table{width:100%;border-collapse:collapse;background:var(--panel)}
.table th,.table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.table tbody tr:hover{background:var(--content)}
.table .num{text-align:right;font-variant-numeric:tabular-nums}

/* ---------- Badges / alerts ---------- */
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge.ok{background:#dcfce7;color:#166534}
.badge.warn{background:#fef3c7;color:#92400e}
.badge.off{background:#e2e8f0;color:#475569}
.alert{padding:12px 16px;border-radius:8px;margin-bottom:18px;border:1px solid transparent}
.alert.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.alert.success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-head h2{margin:0;font-size:20px}

/* ---------- Login ---------- */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(1200px 600px at 30% -10%,#1e293b,#0f172a)}
.auth-card{background:#fff;width:100%;max-width:380px;border-radius:14px;padding:32px;
  box-shadow:0 20px 60px rgba(0,0,0,.35)}
.auth-brand{display:flex;align-items:center;gap:10px;justify-content:center;margin-bottom:6px}
.auth-brand .brand-mark{color:var(--brand);font-size:26px}
.auth-brand b{font-size:18px}
.auth h1{font-size:16px;text-align:center;margin:0 0 22px;color:var(--muted);font-weight:500}
.auth-foot{text-align:center;margin-top:18px;color:var(--muted);font-size:12px}