:root {
  --bg: #0b0d10;
  --text: #e8edf2;
  --accent: #6ee7b7;
  --accentText: #06281c;
  --muted: #8b98a5;
  --elev: #14181d;
  --border: #24303a;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
a { color: var(--accent); text-decoration: none; }
.boot { padding: 4rem; color: var(--muted); }
.topbar { display: flex; align-items: center; gap: 1rem; padding: 0.85rem 1.2rem; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: color-mix(in srgb, var(--elev) 90%, transparent); }
.brand { color: var(--text); font-weight: 650; }
.nav { display: flex; gap: 0.85rem; flex: 1; }
.nav a { color: var(--muted); }
.nav a.active, .nav a:hover { color: var(--text); }
.who { margin-left: auto; color: var(--muted); display: flex; gap: 0.6rem; align-items: center; }
.page { max-width: 880px; margin: 0 auto; padding: 1.5rem 1.2rem 4rem; }
.card { background: var(--elev); border: 1px solid var(--border); border-radius: 14px; padding: 1.1rem; margin: 0.7rem 0; }
.stack { display: flex; flex-direction: column; gap: 0.65rem; }
.input, textarea.input, select.input {
  width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 12px; padding: 0.7rem 0.85rem; font: inherit;
}
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 1rem; border: 0; border-radius: 12px; background: var(--accent); color: var(--accentText); font-weight: 650; cursor: pointer; }
.btn:focus-visible, .input:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:disabled { opacity: 0.65; cursor: wait; }
label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.92rem; }
@media (max-width: 375px) { .page, .topbar { padding-left: 0.7rem; padding-right: 0.7rem; } .nav { flex-wrap: wrap; } body { overflow-x: hidden; } }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.muted { color: var(--muted); }
.error { color: #fb7185; }
.chat-layout { display: grid; grid-template-columns: minmax(0,1fr) 220px; min-height: calc(100dvh - 58px); }
.log { flex: 1; overflow: auto; padding: 1rem; }
.bubble { max-width: 70%; padding: 0.55rem 0.75rem; border-radius: 12px; margin: 0.35rem 0; background: #1c232b; }
.bubble.own { margin-left: auto; background: #123d32; }
.composer { display: flex; gap: 0.5rem; padding: 0.7rem; border-top: 1px solid var(--border); }
.composer textarea { flex: 1; }
.presence { border-left: 1px solid var(--border); padding: 0.8rem; font-size: 0.9rem; }
.row { display: flex; justify-content: space-between; gap: 0.6rem; align-items: center; padding: 0.55rem 0; border-bottom: 1px solid var(--border); }
.offline-banner { background: #3f1d24; color: #fecdd3; padding: 0.6rem 1rem; }
.embed .topbar .nav, .embed .who { display: none; }
@media (max-width: 800px) { .chat-layout { grid-template-columns: 1fr; } .presence { display: none; } }