:root {
  --bg: #111418;
  --card: #1a1f26;
  --line: #2a323c;
  --fg: #e8edf3;
  --muted: #8b97a6;
  --accent: #4c9aff;
  --ok: #37c97a;
  --close: #f0b429;
  --bad: #f05a5a;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}

/* 상단 실적 바 */
#bar {
  display: flex;
  gap: 2px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 10px 8px calc(10px);
  padding-top: calc(10px + env(safe-area-inset-top));
  position: sticky;
  top: 0;
  z-index: 10;
}
.stat { flex: 1; text-align: center; }
.stat b { display: block; font-size: 20px; font-weight: 700; }
.stat span { font-size: 11px; color: var(--muted); }

main { padding: 20px 16px 40px; max-width: 560px; margin: 0 auto; }

.screen { display: none; }
.screen.active { display: block; }

h1 { font-size: 22px; margin: 4px 0 20px; }
.muted { color: var(--muted); font-size: 13px; }
.lbl { display: block; font-size: 13px; color: var(--muted); margin: 0 0 6px; }

input[type=url], input[type=text] {
  width: 100%;
  padding: 14px;
  font-size: 17px;                 /* 16px 미만이면 iOS가 확대한다 */
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--fg);
  margin-bottom: 10px;
}
input:focus { outline: 2px solid var(--accent); border-color: transparent; }

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 10px;
}
.big {
  display: block;
  width: 100%;
  padding: 16px;
  font-size: 17px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  margin-bottom: 8px;
}
.big:active { transform: scale(.99); }
.big:disabled { opacity: .45; }
.big.alt { background: #2b3542; color: var(--fg); }
.ghost { background: none; color: var(--muted); padding: 12px; width: 100%; }

#toggles { display: flex; gap: 8px; }
#toggles .ghost {
  flex: 1; font-size: 13px; padding: 12px 6px;
  border: 1px solid var(--line); border-radius: 8px;
}
#btn-auto.on { color: var(--ok); border-color: #2f5a43; }

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 26px 0 18px;
  color: var(--muted);
  font-size: 12px;
}
.divider::before, .divider::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}

/* 로딩 */
#vidbox {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 20px;
}
#thumb { width: 100%; display: block; background: #000; min-height: 120px; }
#vidtitle { padding: 12px 14px; font-size: 15px; font-weight: 600; }

#steps { list-style: none; padding: 0; margin: 0 0 20px; }
#steps li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 2px; color: var(--muted); font-size: 15px;
}
#steps li i {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--line); flex: none;
}
#steps li.doing { color: var(--fg); }
#steps li.doing i { border-color: var(--accent); border-top-color: transparent; animation: spin .8s linear infinite; }
#steps li.done { color: var(--fg); }
#steps li.done i { background: var(--ok); border-color: var(--ok); }
@keyframes spin { to { transform: rotate(360deg); } }

/* 게임 */
#progress { height: 4px; background: var(--line); border-radius: 2px; overflow: hidden; }
#progress-fill { height: 100%; width: 0; background: var(--accent); transition: width .25s; }
#qcount { margin: 8px 0 28px; }

#korean {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
}
/* 통문장은 길어서 조금 작게 */
#korean.sentence { font-size: 23px; }
#sub { margin: -6px 0 12px; }
/* 빈칸 뚫은 예문 — 한국어 뜻만으로는 답이 안 좁혀져서 이게 실질적인 문제다 */
#masked {
  font-size: 19px;
  line-height: 1.5;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  margin-bottom: 10px;
  word-break: break-word;
}
#hint { margin-bottom: 22px; }

/* 마이크 */
.mic {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 22px;
  font-size: 18px;
  font-weight: 600;
  background: #23303f;
  color: var(--fg);
  border: 1px solid var(--line);
  margin-bottom: 8px;
}
.mic:disabled { opacity: .45; }
.micdot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--muted); flex: none;
}
.mic.listening { background: #1f3a2c; border-color: var(--ok); }
.mic.listening .micdot { background: var(--ok); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: .5; }
}
#mic-status { min-height: 20px; margin-bottom: 6px; }

#mic-tip {
  margin-top: 22px; padding: 13px 14px;
  background: #2a2418; border: 1px solid #5a4a22; border-radius: 10px;
  color: #f0d9a0; font-size: 13px; line-height: 1.55;
}
#mic-tip b { color: #ffe9b8; }
#mic-tip .diag {
  margin-top: 9px; padding-top: 8px; border-top: 1px solid #5a4a22;
  font-size: 11px; color: #c9b184; word-break: keep-all;
}

/* 홈 화면에 추가 안내 */
#install-tip {
  margin-top: 28px; padding: 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
}
#install-tip b { font-size: 14px; }
#install-tip p { margin: 6px 0 10px; font-size: 13px; color: var(--muted); }

#verdict { margin-top: 18px; }
#v-heard { margin-bottom: 16px; }
#v-label { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
#v-label.correct { color: var(--ok); }
#v-label.close { color: var(--close); }
#v-label.wrong { color: var(--bad); }
#v-answer {
  font-size: 20px; padding: 14px; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px;
}
#v-example { margin-bottom: 16px; }

/* 결과 */
#r-score { font-size: 32px; font-weight: 700; margin-bottom: 20px; }
#r-list { list-style: none; padding: 0; margin: 0 0 24px; }
#r-list li {
  padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px;
}
#r-list li span { display: block; color: var(--muted); font-size: 13px; }
#r-list li.wrong { color: var(--bad); }
#r-list li.close { color: var(--close); }

#error {
  margin-top: 20px; padding: 14px; border-radius: 10px;
  background: #3a1f22; border: 1px solid #6b2f34; color: #ffb4b4; font-size: 14px;
}