:root {
  --bg: #0b1220;
  --card: #121a2b;
  --line: #223049;
  --text: #e8eefc;
  --muted: #93a0bb;
  --live: #3dd68c;
  --standby: #f0b429;
  --off: #ff6b7a;
  --tag: #7aa2ff;
  --cabal: #ff8a5b;
  --quiet: #8bd3ff;
  --pad: 16px;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { min-height: 100dvh; }
.top {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 12px;
  padding: calc(12px + env(safe-area-inset-top)) var(--pad) 12px;
  position: sticky; top: 0; background: #0b1220ee; backdrop-filter: blur(10px); z-index: 4;
  border-bottom: 1px solid var(--line);
}
h1 { margin: 0; font-size: 1.35rem; letter-spacing: -0.03em; }
.sub, .muted, .hint, footer { color: var(--muted); }
h2 { font-size: 0.95rem; letter-spacing: 0.04em; text-transform: none; margin: 0 0 10px; }
section { padding: 18px var(--pad); border-bottom: 1px solid var(--line); }
.tabs { display: flex; gap: 8px; padding: 8px var(--pad); position: sticky; top: 72px; background: var(--bg); z-index: 5; }
.tab {
  background: #121a2b; color: var(--text); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 14px; font-weight: 700;
}
.tab.on { background: #1e4fd7; border-color: #1e4fd7; }
.view { min-height: 40vh; }
.chat-log { padding: 12px var(--pad) 8px; display: flex; flex-direction: column; gap: 10px; max-width: 720px; margin: 0 auto; }
.bubble {
  max-width: 92%; border-radius: 16px; padding: 10px 12px; line-height: 1.45; white-space: pre-wrap;
  background: var(--card); border: 1px solid var(--line);
}
.bubble.bot { align-self: flex-start; }
.bubble.master { align-self: flex-end; background: #1a3358; }
.bubble .who { font-size: 0.72rem; color: var(--muted); margin-bottom: 4px; }
.bubble .acts { display: flex; gap: 6px; margin-top: 8px; }
.chat-hint { padding: 0 var(--pad) 18px; max-width: 720px; margin: 0 auto; }
.board-layout { display: grid; grid-template-columns: minmax(240px, 320px) 1fr; gap: 12px; padding: 12px var(--pad); }
.board-body { min-height: 40vh; white-space: pre-wrap; }
.row-btns { display: flex; gap: 8px; margin-top: 10px; }
textarea {
  width: 100%; margin-top: 4px; padding: 8px; border-radius: 8px; border: 1px solid var(--line);
  background: #0b1220; color: var(--text); font: inherit;
}
.jump {
  display: flex; gap: 8px; overflow-x: auto; padding: 8px var(--pad);
  background: var(--bg); z-index: 3;
}
@media (max-width: 800px) {
  .board-layout { grid-template-columns: 1fr; }
}
.jump a {
  color: var(--text); text-decoration: none; font-size: 0.8rem;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; white-space: nowrap;
}
.grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px;
}
.card h3 { margin: 0 0 8px; font-size: 1rem; }
.row { display: flex; justify-content: space-between; gap: 8px; font-size: 0.9rem; margin: 4px 0; }
.pill {
  display: inline-block; border-radius: 999px; padding: 2px 8px; font-size: 0.75rem; font-weight: 700;
}
.live { background: #163528; color: var(--live); }
.standby { background: #3a2e12; color: var(--standby); }
.paper, .unknown { background: #243044; color: #c5d2ee; }
.off { background: #3a1520; color: var(--off); }
.btn {
  background: #1e4fd7; color: white; border: 0; border-radius: 10px; padding: 8px 12px; font-weight: 700;
}
.btn.danger { background: #a61b2b; }
.banner { margin: 8px var(--pad); padding: 10px 12px; border-radius: 10px; background: #3a2e12; color: #ffe7a3; }
.hidden { display: none !important; }
label { display: block; margin: 8px 0; font-size: 0.85rem; color: var(--muted); }
input {
  width: 100%; margin-top: 4px; padding: 8px; border-radius: 8px; border: 1px solid var(--line);
  background: #0b1220; color: var(--text);
}
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--line); vertical-align: top; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.78rem; word-break: break-all; }
.tag { display: inline-block; margin: 2px; padding: 3px 8px; border-radius: 999px; background: #243044; font-size: 0.75rem; }
.tag.cabal { background: #402318; color: var(--cabal); }
.tag.caution { background: #3a2e12; color: var(--standby); }
.tag.quiet_alpha { background: #163344; color: var(--quiet); }
footer { padding: 18px var(--pad) calc(18px + env(safe-area-inset-bottom)); font-size: 0.75rem; }
.unit { font-size: 0.8rem; display: flex; justify-content: space-between; margin: 3px 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }
.dot.on { background: var(--live); }
.dot.off { background: var(--off); }
.dot.maybe { background: var(--standby); }