:root {
  --bg: #fafafa;
  --fg: #1e1e1e;
  --muted: #5e5e5e;
  --card: #ffffff;
  --border: #d0d0d0;
  --accent: #1c71d8;
  --accent-fg: #ffffff;
  --ok: #26a269;
  --err: #c01c28;
  --listening: #e66100;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e1e1e;
    --fg: #f6f5f4;
    --muted: #b0b0b0;
    --card: #2a2a2a;
    --border: #444444;
    --accent: #3584e4;
    --ok: #57e389;
    --err: #ff7b63;
    --listening: #ffa348;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.45 -apple-system, system-ui, "Cantarell", sans-serif;
}
main {
  max-width: 34rem;
  margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 16px;
}
h1 { font-size: 1.3rem; margin: 0; }
h1 .exercise { color: var(--muted); font-weight: 500; }
h2 { font-size: 1.05rem; margin: 0 0 6px; }
.hint { color: var(--muted); font-size: 0.9rem; margin: 4px 0; }

.status { list-style: none; padding: 0; margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.status li {
  font-size: 0.8rem;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.confirm {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  min-height: 9.5rem;
}
.confirm-main {
  font-size: clamp(2rem, 9vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  overflow-wrap: anywhere;
}
.confirm-main.ok { color: var(--ok); }
.confirm-main.err { color: var(--err); }
.confirm-sub { margin: 8px 0 0; color: var(--muted); font-size: 1.05rem; }

button {
  font: inherit;
  min-height: 48px;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  cursor: pointer;
}
button.secondary { background: var(--card); color: var(--fg); border-color: var(--border); }
button:disabled { opacity: 0.45; cursor: default; }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.mic {
  min-height: 34vh;
  width: 100%;
  font-size: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  touch-action: manipulation;
}
.mic-icon { font-size: 3.5rem; line-height: 1; }
.mic.listening { background: var(--listening); }

.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
input[type="text"], textarea {
  font: inherit;
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
}
#dictation-form input { flex: 2; }

.sets { margin: 0; padding-left: 1.6rem; font-size: 1.15rem; }
.sets li { padding: 2px 0; }
.sets .src { color: var(--muted); font-size: 0.85rem; }

.survey fieldset { border: 1px solid var(--border); border-radius: 12px; margin: 0 0 10px; padding: 8px 12px; }
.survey legend { font-weight: 600; padding: 0 4px; }
.survey label { display: flex; align-items: center; gap: 10px; min-height: 40px; }
.survey input[type="radio"] { width: 22px; height: 22px; }
.block { display: block; }