:root {
  --bg: #0f1117;
  --panel: #1a1d27;
  --panel2: #232736;
  --text: #e8eaf0;
  --muted: #8b90a0;
  --accent: #4f8cff;
  --accent2: #37c98b;
  --danger: #e5534b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Hiragino Sans", "PingFang SC", "Noto Sans JP", "Noto Sans SC", sans-serif;
  display: flex;
  flex-direction: column;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  background: var(--panel);
  border-bottom: 1px solid #2a2e3d;
}
h1 { font-size: 1.05rem; letter-spacing: 0.05em; }
.controls { display: flex; gap: 0.5rem; align-items: center; }
select, input, button {
  font: inherit;
  color: var(--text);
  background: var(--panel2);
  border: 1px solid #333a4e;
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
}
.toggle { display: flex; align-items: center; gap: 0.25rem; color: var(--muted); }
#settings { padding: 0.7rem 1rem; background: var(--panel); border-bottom: 1px solid #2a2e3d; }
#settings label { color: var(--muted); font-size: 0.85rem; display: flex; gap: 0.5rem; align-items: center; }
.hidden { display: none !important; }

main {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.utt {
  background: var(--panel);
  border-radius: 12px;
  padding: 0.7rem 0.9rem;
  max-width: 46rem;
  animation: pop 0.15s ease-out;
}
@keyframes pop { from { opacity: 0; transform: translateY(4px); } }
.utt .orig { font-size: 1rem; }
.utt .orig .lang {
  font-size: 0.7rem;
  color: var(--muted);
  border: 1px solid #333a4e;
  border-radius: 5px;
  padding: 0 0.3rem;
  margin-right: 0.4rem;
  vertical-align: middle;
  text-transform: uppercase;
}
.utt .trans {
  margin-top: 0.45rem;
  padding-top: 0.45rem;
  border-top: 1px dashed #2e3345;
  font-size: 1.15rem;
  color: var(--accent2);
  min-height: 1.2em;
}
.utt .trans.pending { color: var(--muted); font-size: 0.9rem; }
.utt .trans.error { color: var(--danger); font-size: 0.9rem; }

#partial {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.6rem 1rem;
  color: var(--muted);
  font-style: italic;
  border-top: 1px solid #2a2e3d;
}
#partial .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  align-self: center;
  flex: none;
  animation: pulse 1s infinite;
}
@keyframes pulse { 50% { opacity: 0.3; } }

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem calc(0.8rem + env(safe-area-inset-bottom));
  background: var(--panel);
  border-top: 1px solid #2a2e3d;
}
#status { color: var(--muted); font-size: 0.85rem; }
.mic {
  background: var(--accent);
  border: none;
  color: white;
  font-weight: 600;
  padding: 0.7rem 2.2rem;
  border-radius: 999px;
  cursor: pointer;
}
.mic.recording { background: var(--danger); animation: pulse 1.6s infinite; }