:root {
  --bg: #0f1115;
  --panel: #161a21;
  --line: #262c36;
  --text: #e7ebf0;
  --muted: #8b95a5;
  --accent: #4c8dff;
  --warn: #ffb454;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 12px;
}

.bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 4px 10px;
  border-bottom: 1px solid var(--line);
}

.bar h1 {
  font-size: 17px;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.01em;
}

.status {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.status.ok { color: var(--accent); }
.status.warn { color: var(--warn); }

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px 4px;
  scrollbar-width: thin;
}

.line {
  margin: 0 0 7px;
  display: flex;
  gap: 8px;
  align-items: baseline;
  overflow-wrap: anywhere;
}

.line .meta {
  flex: 0 0 auto;
  font-size: 11px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.line .body { min-width: 0; }

.line.chat strong {
  flex: 0 0 auto;
  font-weight: 600;
  margin-right: 6px;
}

.line.system {
  color: var(--muted);
  font-size: 13px;
  font-style: italic;
}

.notice {
  margin: 0 4px 8px;
  padding: 8px 10px;
  background: rgba(255, 180, 84, 0.1);
  border: 1px solid rgba(255, 180, 84, 0.35);
  border-radius: 6px;
  color: var(--warn);
  font-size: 13px;
}

.composer {
  display: flex;
  gap: 8px;
  padding: 10px 0 16px;
  border-top: 1px solid var(--line);
}

.composer input {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  padding: 9px 11px;
  font: inherit;
  min-width: 0;
}

.composer input:focus {
  outline: none;
  border-color: var(--accent);
}

.composer .nick { flex: 0 0 26%; max-width: 170px; }
.composer .text { flex: 1; }

.composer .send {
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 9px 18px;
  cursor: pointer;
}

.composer .send:hover { filter: brightness(1.08); }

@media (max-width: 560px) {
  .composer { flex-wrap: wrap; }
  .composer .nick { flex: 1 1 100%; max-width: none; }
  .composer .text { flex: 1 1 auto; }
}