:root {
  --bg: #f3f0e8;
  --ink: #1a1f1c;
  --muted: #5a645e;
  --line: #c9c4b8;
  --accent: #0d6b5c;
  --accent-ink: #f7fffc;
  --warn-bg: #fff4e5;
  --warn-ink: #6a3b00;
  --bubble-user: #e2ebe7;
  --bubble-bot: #ffffff;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(ellipse at 10% 0%, #dfeee8 0%, transparent 45%),
    radial-gradient(ellipse at 90% 10%, #efe6d4 0%, transparent 40%),
    var(--bg);
}

.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 100vh;
}

.top h1 {
  margin: 0;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

.sub {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.disclaimer {
  white-space: pre-wrap;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.45;
  background: var(--warn-bg);
  color: var(--warn-ink);
  border: 1px solid #e6c890;
  padding: 0.75rem 0.9rem;
}

.log {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-height: 14rem;
  max-height: 50vh;
  overflow-y: auto;
  padding: 0.25rem 0;
}

.msg {
  max-width: 92%;
  padding: 0.7rem 0.85rem;
  line-height: 1.45;
  white-space: pre-wrap;
  border: 1px solid var(--line);
}

.msg.user {
  align-self: flex-end;
  background: var(--bubble-user);
}

.msg.bot {
  align-self: flex-start;
  background: var(--bubble-bot);
}

.msg .who {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.field select,
.field textarea {
  font: inherit;
  color: var(--ink);
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.55rem 0.65rem;
  border-radius: 0;
}

.field textarea { resize: vertical; width: 100%; }

.row { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.btn {
  font: inherit;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.btn.ghost { background: transparent; }

.btn.recording {
  background: #8b1e1e;
  border-color: #8b1e1e;
  color: #fff;
}

.status {
  min-height: 1.25rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.status.error { color: #8b1e1e; }