:root {
  --bg: #14161a;
  --fg: #e6e6e6;
  --muted: #8a8a8a;
  --accent: #4ec9b0;
  --tx: #ff6b6b;
  --rf: #f8c555;
  --net: #6cb6ff;
  --panel: #1d2025;
  --border: #2a2f37;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.4 system-ui, sans-serif; background: var(--bg); color: var(--fg); }
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 1rem; background: var(--panel); border-bottom: 1px solid var(--border);
}
header h1 { font-size: 1.05rem; margin: 0; color: var(--accent); }
header .meta { display: flex; gap: 1rem; align-items: center; font-family: ui-monospace, monospace; font-size: 0.85rem; color: var(--muted); }
header .meta span { white-space: nowrap; }
header .meta #callsign, header .meta #dmrid { color: var(--fg); }
.status.connected { color: var(--accent); }
.status.disconnected { color: var(--tx); }
.status .dot {
  display: inline-block; width: 0.55rem; height: 0.55rem; border-radius: 50%;
  background: var(--muted); margin-right: 0.35rem; vertical-align: middle;
}
#bm-status.up .dot   { background: var(--accent); }
#bm-status.down .dot { background: var(--tx); }
#bm-status.err .dot  { background: #c08000; }

header .meta #login-link {
  color: var(--muted); text-decoration: none; padding: 0.2rem 0.6rem;
  border: 1px solid var(--border); border-radius: 3px; font-size: 0.8rem;
}
header .meta #login-link:hover { color: var(--accent); border-color: var(--accent); }

section { padding: 1rem; }
.slots { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
body.simplex .slots { grid-template-columns: 1fr; }
body.simplex #slot-2 { display: none; }
.slot { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 0.8rem 1rem; }
.slot h2 { margin: 0 0 0.4rem 0; font-size: 0.9rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.tx { min-height: 5.5rem; transition: background 0.15s; padding: 0.4rem 0; }
.tx.active { color: var(--fg); }
.tx.idle .tx-state { color: var(--muted); font-style: italic; }
.tx.active .tx-state { color: var(--tx); font-weight: 600; }
.tx-state { font-size: 1.1rem; }
.tx-talker { font-size: 1.3rem; font-weight: 600; margin-top: 0.2rem; }
.tx-dst { color: var(--muted); margin-top: 0.1rem; }
.tx-stats { font-family: ui-monospace, monospace; color: var(--muted); margin-top: 0.4rem; font-size: 0.8rem; }
.tx.active.rf { border-left: 4px solid var(--rf); padding-left: 0.6rem; }
.tx.active.network { border-left: 4px solid var(--net); padding-left: 0.6rem; }

.lastheard .lh-scroll {
  max-height: calc(5 * 2.1rem + 2.3rem); /* 5 rows + header */
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.lastheard table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.lastheard th, .lastheard td { padding: 0.35rem 0.6rem; text-align: left; border-bottom: 1px solid var(--border); }
.lastheard th {
  color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em;
  position: sticky; top: 0; background: var(--panel);
}
.lastheard tbody tr:hover { background: var(--panel); }
.lastheard td.num { font-family: ui-monospace, monospace; text-align: right; }

.controls { background: var(--panel); border-top: 1px solid var(--border); }
.controls h2 { margin: 0 0 0.6rem 0; font-size: 0.9rem; color: var(--muted); }
.hint { color: var(--muted); font-weight: 400; font-size: 0.8rem; }
.control-row { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.control-row button, .add-form button {
  background: var(--bg); color: var(--fg); border: 1px solid var(--border);
  padding: 0.5rem 0.9rem; border-radius: 4px; cursor: pointer; font: inherit;
}
.control-row button:disabled, .add-form button:disabled { opacity: 0.4; cursor: not-allowed; }
.control-row button:not(:disabled):hover, .add-form button:not(:disabled):hover { border-color: var(--accent); }

.static-tgs table { width: 100%; border-collapse: collapse; font-size: 0.88rem; margin-bottom: 0.8rem; }
.static-tgs th, .static-tgs td { padding: 0.35rem 0.6rem; text-align: left; border-bottom: 1px solid var(--border); }
.static-tgs th { color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; }
.static-tgs td button {
  background: transparent; color: var(--tx); border: 1px solid var(--border);
  padding: 0.2rem 0.6rem; border-radius: 3px; cursor: pointer; font: inherit; font-size: 0.85rem;
}
.static-tgs td button:hover { border-color: var(--tx); }
.add-form { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.add-form label { display: flex; gap: 0.3rem; align-items: center; color: var(--muted); font-size: 0.85rem; }
.add-form input, .add-form select {
  background: var(--bg); color: var(--fg); border: 1px solid var(--border);
  padding: 0.35rem 0.5rem; border-radius: 3px; font: inherit;
}
.add-form input[type="number"] { width: 7rem; }

.inline-btn {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  width: 1.5rem; height: 1.5rem; border-radius: 3px; padding: 0; cursor: pointer;
  font: inherit; font-size: 0.85rem; line-height: 1; vertical-align: middle; margin-left: 0.5rem;
}
.inline-btn:hover { color: var(--accent); border-color: var(--accent); }
.inline-btn.spinning { opacity: 0.5; }

.static-tgs td.kind-static { color: var(--accent); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.static-tgs td.kind-dynamic { color: var(--rf); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.static-tgs td.expires { font-family: ui-monospace, monospace; color: var(--muted); font-size: 0.8rem; }