:root {
  --bg: #0b1220;
  --card: #0f1a30;
  --text: #e7eefc;
  --muted: #9fb0d0;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #7aa2ff;
  --btn: rgba(122, 162, 255, 0.15);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 20% 0%, #13264a, var(--bg));
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 16px; }
.topbar { position: sticky; top: 0; background: rgba(11, 18, 32, 0.7); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; }
.brand { font-weight: 700; color: var(--text); }
.nav a { margin-left: 12px; color: var(--muted); }
.nav a:hover { color: var(--text); }
.live { margin-left: 12px; }

h1 { margin: 10px 0 14px; font-size: 22px; }
.small { font-size: 12px; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

.card { background: rgba(15, 26, 48, 0.7); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.pad { padding: 14px; }

.search { display: flex; gap: 10px; align-items: center; margin: 10px 0 14px; }
.search input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
  color: var(--text);
}
.search button, .btn {
  border: 1px solid var(--line);
  background: var(--btn);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 10px;
  cursor: pointer;
}
.btn { display: inline-block; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { text-align: left; color: var(--muted); font-size: 12px; font-weight: 600; }

.room-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.room-title { margin: 6px 0 6px; }
.room-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px; border-bottom: 1px solid var(--line); }

.msgs { padding: 12px; display: flex; flex-direction: column; gap: 12px; }
.msg { padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: rgba(0,0,0,0.2); }
.msg-top { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.sender { font-weight: 700; }
.content { white-space: pre-wrap; line-height: 1.4; }

.atts { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.att { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.badge { font-size: 12px; padding: 2px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.link { margin-left: 6px; }