/* Signal Hub — light ops desk (NOT NewWeb dark/indigo) */
:root {
  --ink: #1c1917;
  --muted: #57534e;
  --line: #d6d3d1;
  --paper: #fafaf9;
  --panel: #ffffff;
  --wash: #f5f5f4;
  --signal: #ea580c;
  --signal-ink: #9a3412;
  --ok: #15803d;
  --bad: #b91c1c;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Outfit", "Segoe UI", sans-serif;
  --radius: 6px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(234, 88, 12, 0.06), transparent 28%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 22px,
      rgba(28, 25, 23, 0.025) 22px,
      rgba(28, 25, 23, 0.025) 23px
    ),
    var(--wash);
  min-height: 100vh;
}

a { color: var(--signal-ink); text-decoration: none; font-weight: 600; }
a:hover { text-decoration: underline; }

.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: sticky; top: 0; z-index: 20; }
}

.rail {
  background: #1c1917;
  color: #fafaf9;
  padding: 28px 18px;
  border-right: 3px solid var(--signal);
}
.rail .brand {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 6px;
}
.rail .brand span { color: var(--signal); }
.rail .tag {
  font-family: var(--mono);
  font-size: 11px;
  color: #a8a29e;
  margin-bottom: 28px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.rail nav a {
  display: block;
  color: #e7e5e4;
  padding: 10px 12px;
  margin-bottom: 4px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  border-left: 3px solid transparent;
}
.rail nav a:hover { background: rgba(255,255,255,0.06); }
.rail nav a.active {
  background: rgba(234, 88, 12, 0.18);
  border-left-color: var(--signal);
  color: #fff;
}

.main { padding: 28px 32px 48px; }
@media (max-width: 900px) { .main { padding: 18px 14px 40px; } }

.page-head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 14px;
}
.page-head h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.page-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}
.panel h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.stat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--signal);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.stat .k {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.stat .v {
  font-size: 1.6rem;
  font-weight: 800;
  margin-top: 4px;
  letter-spacing: -0.03em;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
input[type="text"],
input[type="password"],
input[type="number"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font: 500 15px/1.3 var(--sans);
  margin-bottom: 12px;
}
textarea { min-height: 96px; resize: vertical; font-family: var(--mono); font-size: 13px; }
input:focus, textarea:focus, select:focus {
  outline: 2px solid rgba(234, 88, 12, 0.35);
  border-color: var(--signal);
}

.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 700px) { .row-2 { grid-template-columns: 1fr; } }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 14px;
  padding: 11px 16px;
  border-radius: var(--radius);
  text-decoration: none;
}
.btn-signal {
  background: var(--signal);
  color: #fff;
}
.btn-signal:hover { filter: brightness(0.95); text-decoration: none; color: #fff; }
.btn-ink {
  background: var(--ink);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.alert {
  padding: 12px 14px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  font-weight: 600;
  font-size: 14px;
}
.alert.ok { background: #dcfce7; color: var(--ok); border: 1px solid #86efac; }
.alert.err { background: #fee2e2; color: var(--bad); border: 1px solid #fca5a5; }
.alert.info { background: #ffedd5; color: var(--signal-ink); border: 1px solid #fdba74; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.badge.on { background: #dcfce7; color: var(--ok); border-color: #86efac; }
.badge.off { background: #fee2e2; color: var(--bad); border-color: #fca5a5; }
.mono { font-family: var(--mono); font-size: 12px; word-break: break-all; }

/* Auth screen */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-box {
  width: min(420px, 100%);
  background: #fff;
  border: 2px solid var(--ink);
  border-top: 8px solid var(--signal);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.auth-box h1 {
  margin: 0 0 4px;
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}
.auth-box .sub {
  color: var(--muted);
  margin-bottom: 22px;
  font-size: 0.95rem;
}

.hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: -6px;
  margin-bottom: 12px;
}
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }