* { box-sizing: border-box; margin: 0; padding: 0; }

/* display:flex 등이 hidden 속성을 덮어쓰지 않도록 */
[hidden] { display: none !important; }

body {
  font-family: "Pretendard", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  background: #f6f7fb;
  color: #1f2430;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
}

header { text-align: center; margin-bottom: 24px; }
header h1 { font-size: 1.8rem; letter-spacing: 0.06em; }
.tagline { color: #6b7280; font-size: 0.9rem; margin-top: 6px; }
.nav { margin-top: 8px; }
.nav a { color: #4f46e5; font-size: 0.9rem; text-decoration: none; }
.nav a:hover { text-decoration: underline; }

main { width: 100%; max-width: 560px; }

.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(31, 36, 48, 0.08);
  padding: 28px 24px;
}

.sentence-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.badge {
  background: #eef2ff; color: #4f46e5;
  font-size: 0.78rem; padding: 3px 10px; border-radius: 999px;
}
.badge-dim { background: #f3f4f6; color: #6b7280; }
.counter { margin-left: auto; color: #9ca3af; font-size: 0.82rem; }

.sentence { font-size: 1.6rem; font-weight: 700; line-height: 1.5; word-break: keep-all; }
.pron { color: #9ca3af; font-size: 0.95rem; margin-top: 8px; }
.pron::before { content: "발음: "; }

.controls { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }

.btn {
  border: 1px solid #d1d5db; background: #fff; color: #1f2430;
  font-size: 1rem; padding: 12px 18px; border-radius: 10px; cursor: pointer;
  transition: background 0.15s;
}
.btn:hover { background: #f3f4f6; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: #4f46e5; border-color: #4f46e5; color: #fff; }
.btn-primary:hover { background: #4338ca; }
.btn-danger { background: #dc2626; border-color: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.rec-indicator {
  display: flex; align-items: center; gap: 8px;
  margin-top: 16px; color: #dc2626; font-weight: 600;
}
.rec-dot {
  width: 12px; height: 12px; border-radius: 50%; background: #dc2626;
  animation: pulse 1s infinite;
}
@keyframes pulse { 50% { opacity: 0.25; } }

.loading { display: flex; align-items: center; gap: 10px; margin-top: 16px; color: #4f46e5; }
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 3px solid #e0e7ff; border-top-color: #4f46e5;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.status { margin-top: 14px; color: #b45309; font-size: 0.9rem; min-height: 1.2em; }
.reco-reason { margin-top: 10px; color: #4f46e5; font-size: 0.85rem; }
.reco-reason::before { content: "🎯 "; }

/* 결과 화면 */
#score-wrap { display: flex; align-items: baseline; justify-content: center; gap: 6px; margin-bottom: 20px; }
.score { font-size: 4rem; font-weight: 800; }
.score.good { color: #16a34a; }
.score.mid { color: #d97706; }
.score.bad { color: #dc2626; }
.score-label { font-size: 1.2rem; color: #6b7280; }

.section-label { color: #9ca3af; font-size: 0.82rem; margin: 18px 0 6px; }
.ref-text { text-align: center; color: #6b7280; margin-bottom: 4px; }
.ref-text::before { content: "원문: "; color: #9ca3af; font-size: 0.85em; }

.highlight-line { font-size: 1.45rem; }
.syl { padding: 1px 1px; border-radius: 4px; }
.syl-error {
  background: #fee2e2; color: #b91c1c;
  border-bottom: 2px solid #dc2626; cursor: help;
}

.recognized { font-size: 1.1rem; color: #374151; }

.error-list { margin-top: 10px; list-style: none; }
.error-list li {
  font-size: 0.9rem; color: #6b7280; padding: 6px 0;
  border-top: 1px dashed #e5e7eb;
}
.error-list li b { color: #b91c1c; }