/* Nexio Mobile Port-Out Portal — telecom admin theme */
:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --sidebar: #0f1b3d;
  --sidebar-2: #16264f;
  --sidebar-text: #aeb9d6;
  --sidebar-active: #2f6bff;
  --primary: #2f6bff;
  --primary-dark: #1f4fd6;
  --text: #1b2540;
  --muted: #6b7591;
  --border: #e4e8f2;
  --success: #128a5b;
  --success-bg: #e3f6ec;
  --warning: #b9770a;
  --warning-bg: #fdf2dc;
  --danger: #c4314b;
  --danger-bg: #fbe6ea;
  --info: #1d6fb8;
  --info-bg: #e4f1fb;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16,28,64,.06), 0 6px 24px rgba(16,28,64,.05);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3,h4 { margin: 0 0 .5rem; color: var(--text); font-weight: 650; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mono { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; }
.nowrap { white-space: nowrap; }
.text-right { text-align: right; }
.text-center { text-align: center; }

/* ---------- App shell ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 248px; flex-shrink: 0;
  background: linear-gradient(180deg, var(--sidebar), var(--sidebar-2));
  color: var(--sidebar-text); display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.sidebar .brand {
  padding: 20px 22px; display: flex; align-items: center; gap: 11px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.sidebar .brand .logo {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  background: linear-gradient(135deg, #2f6bff, #38d0c4);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 16px;
}
.sidebar .brand b { color: #fff; font-size: 14.5px; line-height: 1.15; display: block; }
.sidebar .brand span { font-size: 11px; color: var(--sidebar-text); }
.sidebar nav { padding: 14px 12px; flex: 1; overflow-y: auto; }
.sidebar .nav-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: #66739c; padding: 14px 12px 6px; }
.sidebar nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: 9px; color: var(--sidebar-text);
  font-weight: 500; margin-bottom: 2px; transition: background .12s, color .12s;
}
.sidebar nav a:hover { background: rgba(255,255,255,.06); color: #fff; text-decoration: none; }
.sidebar nav a.active { background: var(--sidebar-active); color: #fff; box-shadow: 0 4px 14px rgba(47,107,255,.35); }
.sidebar nav a .ico { width: 18px; text-align: center; opacity: .9; }
.sidebar .side-foot { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.07); font-size: 12px; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 0 28px; height: 62px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 5;
}
.topbar .page-title { font-size: 17px; font-weight: 650; }
.topbar .user { display: flex; align-items: center; gap: 12px; }
.topbar .user .avatar {
  width: 34px; height: 34px; border-radius: 50%; background: #e7ecf9; color: var(--primary);
  display: grid; place-items: center; font-weight: 700;
}
.content { padding: 26px 28px; max-width: 1200px; width: 100%; }

/* ---------- Cards ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 18px; }
.card .card-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card .card-head h3 { margin: 0; font-size: 15px; }
.card .card-body { padding: 20px; }
.card .card-body.tight { padding: 0; }

/* ---------- Stat grid ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px 20px; position: relative; overflow: hidden;
}
.stat .label { color: var(--muted); font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.stat .value { font-size: 26px; font-weight: 750; margin-top: 6px; letter-spacing: -.01em; }
.stat .sub { font-size: 12px; color: var(--muted); margin-top: 3px; }
.stat .corner { position: absolute; right: -10px; top: -10px; width: 64px; height: 64px; border-radius: 50%; opacity: .10; background: var(--primary); }
.stat.green .corner { background: var(--success); } .stat.green .value { color: var(--success); }
.stat.blue .corner { background: var(--primary); }
.stat.amber .corner { background: var(--warning); }
.stat.teal .corner { background: #19b6a8; }

/* ---------- Tables ---------- */
table.tbl { width: 100%; border-collapse: collapse; }
table.tbl th, table.tbl td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
table.tbl th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 650; background: #fafbfe; }
table.tbl tbody tr:hover { background: #fafbff; }
table.tbl td.amt, table.tbl th.amt { text-align: right; font-variant-numeric: tabular-nums; }
.empty { padding: 36px 20px; text-align: center; color: var(--muted); }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 650; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger  { background: var(--danger-bg); color: var(--danger); }
.badge-info    { background: var(--info-bg); color: var(--info); }
.badge-muted   { background: #eef1f7; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.on { background: var(--success); } .dot.off { background: var(--danger); } .dot.warn { background: var(--warning); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  padding: 9px 16px; border-radius: 9px; border: 1px solid transparent;
  font-weight: 600; font-size: 13.5px; cursor: pointer; transition: background .12s, box-shadow .12s, border-color .12s;
  background: var(--primary); color: #fff; line-height: 1.1;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn.secondary:hover { background: #f5f7fc; }
.btn.ghost { background: transparent; color: var(--primary); }
.btn.ghost:hover { background: #eef3ff; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #a3273d; }
.btn.success { background: var(--success); }
.btn.warn { background: var(--warning); }
.btn.sm { padding: 6px 11px; font-size: 12.5px; border-radius: 8px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

/* ---------- Forms ---------- */
.form-row { margin-bottom: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
label.lbl { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.input, select.input, textarea.input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px;
  font-size: 14px; font-family: inherit; background: #fff; color: var(--text); transition: border-color .12s, box-shadow .12s;
}
.input:focus, select.input:focus, textarea.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(47,107,255,.15); }
.input.lg { padding: 13px 14px; font-size: 16px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 5px; }
.field-error { color: var(--danger); font-size: 12.5px; margin-top: 5px; }
.input-prefix { position: relative; }
.input-prefix span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-weight: 600; }
.input-prefix .input { padding-left: 26px; }

/* ---------- Alerts ---------- */
.alert { padding: 13px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 13.5px; border: 1px solid transparent; }
.alert.success { background: var(--success-bg); color: #0d6a47; border-color: #b6e6cd; }
.alert.error   { background: var(--danger-bg); color: #95243a; border-color: #f1c4cd; }
.alert.warning { background: var(--warning-bg); color: #8a590a; border-color: #f1dcae; }
.alert.info    { background: var(--info-bg); color: #155a96; border-color: #c2e0f5; }
.alert b { font-weight: 700; }

/* ---------- Misc layout ---------- */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { font-size: 22px; margin: 0; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.flex { display: flex; } .between { justify-content: space-between; } .items-center { align-items: center; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } .sidebar { display: none; } }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 8px 14px; }
.kv dt { color: var(--muted); font-weight: 600; } .kv dd { margin: 0; font-weight: 600; }
.divider { height: 1px; background: var(--border); margin: 18px 0; }
.pill-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.pill-tabs a { padding: 7px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--muted); font-weight: 600; font-size: 13px; }
.pill-tabs a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- Numbers / code block ---------- */
.numbers-box { background: #0f1b3d; color: #d7e0f5; border-radius: 10px; padding: 16px; font-family: ui-monospace, monospace; font-size: 13px; max-height: 360px; overflow: auto; white-space: pre; }
.copybar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }

/* ---------- Auth ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(1200px 500px at 50% -10%, #1b2c5c, var(--bg)); }
.auth-card { background: var(--surface); width: 100%; max-width: 408px; border-radius: 16px; box-shadow: 0 20px 60px rgba(16,28,64,.18); overflow: hidden; }
.auth-card .auth-head { padding: 30px 32px 8px; text-align: center; }
.auth-card .auth-head .logo { width: 54px; height: 54px; border-radius: 14px; margin: 0 auto 14px; background: linear-gradient(135deg, #2f6bff, #38d0c4); display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 22px; }
.auth-card .auth-head h1 { font-size: 19px; }
.auth-card .auth-body { padding: 18px 32px 30px; }
.auth-foot { text-align: center; padding: 16px; color: var(--muted); font-size: 12.5px; border-top: 1px solid var(--border); }
.pagination { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 16px; }
.pagination a, .pagination span { padding: 6px 11px; border-radius: 7px; border: 1px solid var(--border); background: #fff; color: var(--text); font-size: 13px; }
.pagination .active span, .pagination span[aria-current] { background: var(--primary); color: #fff; border-color: var(--primary); }