:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --fg: #182125;
  --card: #ffffff;
  --accent: #2a7f62;
  --border: #c8d2d0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background: radial-gradient(circle at top right, #dcefe8, var(--bg));
  color: var(--fg);
}

.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

.controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.75rem;
}

.controls label {
  font-weight: 700;
}

.controls input,
#messageInput {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

button {
  border: 0;
  background: var(--accent);
  color: white;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.panes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.pane {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  min-height: 360px;
}

.auth-controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.auth-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  background: #fbfdfc;
}

.auth-card p {
  margin: 0.35rem 0;
}

#statusPane {
  white-space: pre-wrap;
  font-size: 0.9rem;
}

#urlPane {
  white-space: pre-wrap;
  font-size: 0.9rem;
}

.chat {
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 250px;
  max-height: 250px;
  overflow-y: auto;
  padding: 0.5rem;
  margin-bottom: 0.5rem;
  background: #fbfdfc;
}

.status-log {
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 120px;
  max-height: 120px;
  overflow-y: auto;
  padding: 0.5rem;
  margin-top: 0.5rem;
  background: #f7faf8;
}

.msg {
  margin: 0 0 0.4rem;
}

.msg strong {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}

.msg-text {
  white-space: pre-wrap;
  word-break: break-word;
}

#messageForm {
  display: flex;
  gap: 0.5rem;
}

@media (max-width: 760px) {
  .panes {
    grid-template-columns: 1fr;
  }
}