:root {
  --bg0: #0b1220;
  --bg1: #111a2a;
  --bg2: #172338;
  --line: #2a3b55;
  --text: #e8eef8;
  --muted: #8fa3bf;
  --accent: #14b8a6;
  --accent-2: #38bdf8;
  --ok: #34d399;
  --danger: #f87171;
  --warn: #fbbf24;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 500px at 0% 0%, #12352f 0%, transparent 50%),
    radial-gradient(800px 400px at 100% 0%, #13253f 0%, transparent 45%),
    var(--bg0);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.sm { font-size: 0.82rem; }
.error { color: var(--danger); }

.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.login-card {
  width: min(420px, 100%);
  background: linear-gradient(180deg, var(--bg2), var(--bg1));
  border: 1px solid var(--line);
  padding: 2rem;
}
.brand {
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0 0 0.75rem;
  font-family: var(--mono);
}
.login-card h1, .sidebar h1 { margin: 0 0 0.35rem; font-size: 1.45rem; }
.sub { color: var(--muted); margin: 0 0 1.4rem; line-height: 1.45; }
label { display: grid; gap: 0.35rem; margin-bottom: 0.85rem; color: var(--muted); font-size: 0.85rem; }
input, textarea {
  background: var(--bg0);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 0.7rem 0.8rem;
  font: inherit;
  width: 100%;
}
button {
  background: var(--accent);
  color: #042f2e;
  border: 0;
  padding: 0.65rem 0.95rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
button.sm { padding: 0.35rem 0.55rem; font-size: 0.8rem; }

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px 1fr;
}
.sidebar {
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg1) 90%, black);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.nav { display: grid; gap: 0.4rem; }
.nav-btn {
  text-align: left;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  font-weight: 500;
}
.nav-btn.active, .nav-btn:hover {
  color: var(--text);
  border-color: var(--line);
  background: var(--bg2);
}
.sidebar-foot { margin-top: auto; display: grid; gap: 0.45rem; }
.pill {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.28rem 0.5rem;
  border: 1px solid var(--line);
  width: fit-content;
}
.pill.online { color: var(--ok); border-color: #065f46; }
.pill.offline { color: var(--danger); border-color: #7f1d1d; }

.main { padding: 1rem 1.25rem 2rem; min-width: 0; }
.view-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}
.view-head.tight { margin-bottom: 0.6rem; }
.view-head h2, .panel h3 { margin: 0; font-size: 1.15rem; }
.kpi-mini { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line);
  background: var(--bg1);
  padding: 0.35rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.75rem;
}

.feed-list { display: grid; gap: 0.75rem; }
.job-card {
  border: 1px solid var(--line);
  background: var(--bg1);
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.45rem;
}
.job-card h3 { margin: 0; font-size: 1.02rem; }
.job-card a { color: var(--accent-2); text-decoration: none; }
.job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-family: var(--mono);
}
.job-card p { margin: 0; color: #c7d4e6; line-height: 1.45; font-size: 0.9rem; }

.inbox-layout {
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  gap: 0.75rem;
  min-height: calc(100vh - 2rem);
}
.inbox-list-pane, .inbox-thread-pane {
  border: 1px solid var(--line);
  background: var(--bg1);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.inbox-list-pane { overflow: hidden; }
.inbox-list { overflow: auto; flex: 1; }
.inbox-item {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0.9rem;
  font-weight: 500;
  display: grid;
  gap: 0.2rem;
}
.inbox-item.active { background: var(--bg2); border-left: 3px solid var(--accent); }
.inbox-item .preview { color: var(--muted); font-size: 0.8rem; font-weight: 400; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.badge {
  display: inline-block;
  background: var(--accent);
  color: #042f2e;
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  font-family: var(--mono);
}
.thread-messages {
  flex: 1;
  overflow: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: var(--bg0);
}
.bubble {
  max-width: 78%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  background: var(--bg2);
  white-space: pre-wrap;
  line-height: 1.4;
  font-size: 0.9rem;
}
.bubble.self { align-self: flex-end; border-color: #0f766e; background: #12352f; }
.bubble .who { color: var(--muted); font-size: 0.72rem; margin-bottom: 0.25rem; font-family: var(--mono); }
.reply-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--line);
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.65rem;
  margin-bottom: 0.9rem;
}
.kpi { background: var(--bg1); border: 1px solid var(--line); padding: 0.8rem; }
.kpi .label { margin: 0 0 0.25rem; color: var(--muted); font-size: 0.75rem; }
.kpi .value { margin: 0; font-family: var(--mono); font-size: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; margin-bottom: 0.85rem; }
.panel { background: var(--bg1); border: 1px solid var(--line); padding: 0.95rem; }
.panel > header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.7rem; }
.meta { display: grid; grid-template-columns: 120px 1fr; gap: 0.3rem 0.7rem; margin: 0; }
.meta dt { color: var(--muted); font-size: 0.8rem; }
.meta dd { margin: 0; font-family: var(--mono); font-size: 0.8rem; word-break: break-all; }
.actions { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.actions button { background: var(--bg2); color: var(--text); border: 1px solid var(--line); font-weight: 500; }
.table-wrap { overflow: auto; max-height: 280px; }
table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
th, td { text-align: left; padding: 0.4rem 0.3rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); position: sticky; top: 0; background: var(--bg1); }
td.mono { font-family: var(--mono); }
#chart { width: 100%; background: var(--bg0); border: 1px solid var(--line); }
.empty { color: var(--muted); padding: 1.5rem; }

@media (max-width: 960px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .nav { grid-template-columns: repeat(3, 1fr); }
  .inbox-layout, .grid-2 { grid-template-columns: 1fr; }
}