:root {
  --bg: #0b0f14;
  --panel: #11171f;
  --panel-2: #161e29;
  --line: #1f2a38;
  --text: #e6edf3;
  --muted: #8ea0b5;
  --accent: #7ee787;
  --warn: #f2cc60;
  --err: #ff7b72;
  --ok: #7ee787;
  --blue: #79c0ff;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.4;
  overscroll-behavior-y: none;
}

/* Header */
.bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  background: rgba(11,15,20,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.title { display: flex; align-items: center; gap: 10px; }
.title h1 { margin: 0; font-size: 17px; letter-spacing: 0.02em; }
.logo { color: var(--accent); font-size: 18px; }
.state {
  font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px;
  background: var(--panel-2); color: var(--muted);
  border: 1px solid var(--line);
}
.state.on  { color: var(--ok);  border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); }
.state.off { color: var(--muted); }
.state.err { color: var(--err); border-color: color-mix(in srgb, var(--err) 40%, var(--line)); }

main { padding: 16px; display: flex; flex-direction: column; gap: 14px; max-width: 680px; margin: 0 auto; }

/* Cards */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
}
.card h2 { font-size: 15px; margin: 0 0 10px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 4px; }
.card-head h2 { margin: 0; }
.hint { font-size: 12px; color: var(--muted); margin: 0 0 10px; }

/* Toggle card */
.toggle-card { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.toggle-copy h2 { margin: 0 0 4px; }
.toggle-copy p { margin: 0; font-size: 13px; color: var(--muted); }

/* Toggle switch */
.switch {
  position: relative; display: inline-block;
  width: 58px; height: 32px; flex-shrink: 0;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; inset: 0;
  background: #2a3646; border-radius: 999px; cursor: pointer;
  transition: background .2s;
}
.slider::before {
  content: "";
  position: absolute; height: 24px; width: 24px; left: 4px; top: 4px;
  background: #cdd9e5; border-radius: 50%;
  transition: transform .2s, background .2s;
}
.switch input:checked + .slider { background: color-mix(in srgb, var(--accent) 60%, #1d2a1f); }
.switch input:checked + .slider::before { transform: translateX(26px); background: var(--accent); }
.switch input:disabled + .slider { opacity: .5; cursor: not-allowed; }

/* Key/value rows */
.row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
}
.row:last-child { border-bottom: none; }
.row.sub .k, .row.sub .v { color: var(--muted); font-size: 13px; }
.k { color: var(--muted); }
.v { font-weight: 600; }
.v.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; font-weight: 500; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.02em;
  border: 1px solid var(--line);
}
.badge-2g  { color: var(--err);  background: color-mix(in srgb, var(--err) 18%, transparent); border-color: color-mix(in srgb, var(--err) 50%, var(--line)); }
.badge-3g  { color: var(--warn); background: color-mix(in srgb, var(--warn) 15%, transparent); border-color: color-mix(in srgb, var(--warn) 50%, var(--line)); }
.badge-lte { color: var(--blue); background: color-mix(in srgb, var(--blue) 15%, transparent); border-color: color-mix(in srgb, var(--blue) 50%, var(--line)); }
.badge-5g  { color: var(--ok);   background: color-mix(in srgb, var(--ok) 18%, transparent); border-color: color-mix(in srgb, var(--ok) 50%, var(--line)); }
.badge-unk { color: var(--muted); }

/* Select dropdown */
.sel {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 34px 8px 12px;
  font: inherit; font-weight: 600;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='%238ea0b5' d='M0 0l5 6 5-6z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.sel:hover { background-color: #1e2838; border-color: #2a3646; }
.sel:disabled { opacity: 0.5; cursor: not-allowed; }

/* Buttons */
.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 14px;
  font: inherit; font-weight: 600;
  cursor: pointer;
  transition: background .15s, border-color .15s, opacity .15s;
}
.btn:hover:not(:disabled) { background: #1e2838; border-color: #2a3646; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Cells list */
.cells { display: flex; flex-direction: column; gap: 6px; }
.carrier-group {
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden;
}
.carrier-head {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  font-weight: 700; font-size: 14px;
  display: flex; justify-content: space-between; align-items: center;
}
.carrier-head .mccmnc { color: var(--muted); font-weight: 500; font-size: 12px; font-family: ui-monospace, Menlo, monospace; }
.cell-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-top: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
  font-size: 13px;
}
.cell-row:first-child { border-top: none; }
.cell-row .left  { display: flex; align-items: center; gap: 10px; }
.cell-row .right { color: var(--muted); font-size: 12px; }

.avail-current   { color: var(--accent); }
.avail-available { color: var(--text); }
.avail-forbidden { color: var(--err); }
.avail-unknown   { color: var(--muted); }

.empty { padding: 20px; text-align: center; color: var(--muted); }

/* Footer */
.foot {
  text-align: center; font-size: 11px; color: var(--muted);
  padding: 10px 0 24px;
}
.dot { margin: 0 6px; }

/* Scanning spinner */
.spin {
  display: inline-block; width: 12px; height: 12px;
  border: 2px solid color-mix(in srgb, var(--muted) 50%, transparent);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: -2px;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }