:root {
  --ink: #1c2430;
  --muted: #5b6675;
  --line: #dde3ea;
  --bg: #f4f6f8;
  --card: #ffffff;
  --accent: #0e7490;
  --accent-ink: #ffffff;
  --warn: #b45309;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Tahoma, Verdana, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.55;
}
.topbar {
  background: #1c2430;
  color: #fff;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.brand { font-size: 19px; font-weight: 700; letter-spacing: 0.2px; }
#nav { display: flex; gap: 6px; flex-wrap: wrap; }
#nav button {
  background: transparent;
  color: #cdd5df;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 7px 12px;
  font-size: 14px;
  cursor: pointer;
}
#nav button:hover { color: #fff; border-color: #3a4657; }
#nav button.active { background: var(--accent); color: var(--accent-ink); }
#main { max-width: 1060px; margin: 0 auto; padding: 22px 18px 60px; }
h2 { font-size: 22px; margin: 4px 0 14px; }
h3 { font-size: 16px; margin: 18px 0 8px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.meta { color: var(--muted); font-size: 13px; }
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 20px;
  border: 1px solid var(--line);
}
.badge.on { background: #e6f4ec; border-color: #9ed3ae; color: #166534; }
.badge.off { background: #f3f4f6; color: var(--muted); }
.msg { border-bottom: 1px solid var(--line); padding: 9px 0; }
.msg:last-child { border-bottom: none; }
.msg .who { font-weight: 700; }
.msg.ceo .who { color: #0e7490; }
pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font-size: 13.5px;
  max-height: 420px;
  overflow: auto;
}
form.row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
input, select, textarea {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 10px;
  background: #fff;
  color: var(--ink);
}
textarea { width: 100%; min-height: 90px; }
button.go {
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 7px;
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
}
button.go:hover { background: #0b5f76; }
button.plain {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 12px;
  cursor: pointer;
}
.hint { color: var(--muted); font-size: 13px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 760px) { .two { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { * { transition: none; } }
.layout { display: grid; grid-template-columns: 1fr 300px; gap: 14px; max-width: 1380px; margin: 0 auto; padding: 22px 18px 60px; align-items: start; }
.layout #main { max-width: none; margin: 0; padding: 0; }
#side { position: sticky; top: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; max-height: calc(100vh - 28px); overflow: auto; }
#side h3 { margin-top: 0; }
.ev { border-bottom: 1px solid var(--line); padding: 7px 0; font-size: 13.5px; cursor: pointer; }
.ev .k { font-weight: 700; font-size: 12px; color: var(--accent); }
.mback { position: fixed; inset: 0; background: rgba(20, 28, 38, 0.55); display: flex; align-items: center; justify-content: center; padding: 18px; z-index: 50; }
.mbox { background: #fff; border-radius: 12px; max-width: 640px; width: 100%; max-height: 85vh; overflow: auto; padding: 18px 20px; }
.pbar { height: 9px; background: #e8edf2; border-radius: 6px; overflow: hidden; margin: 4px 0; }
.pbar > div { height: 100%; background: var(--accent); }
table.tasks { width: 100%; border-collapse: collapse; font-size: 14px; }
table.tasks td, table.tasks th { border-bottom: 1px solid var(--line); padding: 7px 6px; text-align: left; vertical-align: top; }
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } #side { position: static; max-height: none; } }