/* Qognio Phase-1 minimal chat widget — single-mode, brand-tinted. */
:root {
  --bg: #0a0a0f;
  --bg-2: #131320;
  --bg-3: #1c1c2e;
  --text: #e8e8f0;
  --text-mute: #9494a8;
  --border: #2a2a3e;
  --accent: #b45309;
  --accent-soft: rgba(180,83,9,0.18);
  --user: #2a2a3e;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Inter, sans-serif;
}

.app {
  max-width: 880px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--accent-soft), transparent 70%);
}

.brand {
  display: flex; align-items: center; gap: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.brand small { color: var(--text-mute); font-weight: 400; margin-left: 0.4rem; }

.brand-icon {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--accent);
  color: #0a0a0f;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 1.05rem;
}

.spacer { flex: 1; }

.status {
  font-size: 0.78rem;
  color: var(--text-mute);
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1rem 1.25rem 0;
  min-height: 0;
}

.messages {
  flex: 1;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 0.85rem;
  padding-bottom: 1rem;
}

.msg {
  max-width: 78%;
  padding: 0.7rem 0.95rem;
  border-radius: 14px;
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.55;
}
.msg.user {
  align-self: flex-end;
  background: var(--user);
  border: 1px solid var(--border);
}
.msg.bot {
  align-self: flex-start;
  background: var(--bg-2);
  border: 1px solid var(--border);
}
.msg.bot.thinking { color: var(--text-mute); font-style: italic; }
.msg.bot pre {
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 0.7rem;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.85em;
}
.msg.bot code { background: var(--bg-3); padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.9em; }

.welcome {
  max-width: 640px;
  margin: 1rem auto 1.5rem;
  text-align: center;
}
.welcome h2 { margin: 0 0 0.5rem; font-size: 1.4rem; color: var(--accent); }
.welcome p { color: var(--text-mute); margin: 0.4rem 0; }
.welcome .triggers {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}
.welcome .trigger {
  font-size: 0.82rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
}
.welcome .trigger:hover { border-color: var(--accent); color: var(--accent); }

.composer {
  border-top: 1px solid var(--border);
  padding: 0.9rem 0;
  display: flex; gap: 0.6rem;
  background: var(--bg);
  position: sticky; bottom: 0;
}

.composer textarea {
  flex: 1;
  resize: none;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  font: inherit;
  min-height: 44px;
  max-height: 200px;
  outline: none;
}
.composer textarea:focus { border-color: var(--accent); }

.composer button {
  align-self: flex-end;
  background: var(--accent);
  color: #0a0a0f;
  border: 0;
  border-radius: 10px;
  padding: 0.6rem 1.15rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.composer button:disabled { opacity: 0.5; cursor: not-allowed; }

.footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-mute);
  padding: 0.5rem 1rem 0.8rem;
  border-top: 1px solid var(--border);
}
.footer a { color: var(--text-mute); text-decoration: underline; }

@media (max-width: 600px) {
  .topbar { padding: 0.7rem 0.9rem; }
  .main { padding: 0.75rem 0.9rem 0; }
  .msg { max-width: 88%; }
}