:root {
  --kngvq-green: #20a96b;
  --kngvq-green-dark: #11794b;
  --kngvq-green-soft: #eaf8f0;
  --kngvq-red: #dc5353;
  --kngvq-red-dark: #a73131;
  --kngvq-red-soft: #fff0f0;
  --kngvq-cream: #fffaf0;
  --kngvq-ink: #2d332f;
  --kngvq-muted: #777e79;
  --kngvq-line: #eae5d9;
}

.kngvq-app, .kngvq-app * { box-sizing: border-box; }
.kngvq-app {
  width: min(680px, 100%);
  margin: 24px auto;
  color: var(--kngvq-ink);
  font-family: "Noto Sans Thai", "Leelawadee UI", Tahoma, sans-serif;
}
.kngvq-is-hidden, .kngvq-app .is-hidden { display: none !important; }
.kngvq-screen { animation: kngvq-enter .26s ease both; }
@keyframes kngvq-enter { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }

.kngvq-start-card, .kngvq-result-card, .kngvq-standalone-board {
  padding: clamp(22px, 5vw, 36px);
  border: 1px solid var(--kngvq-line);
  border-radius: 26px;
  background: #fffefb;
  box-shadow: 0 14px 38px rgba(83, 72, 43, .11);
}
.kngvq-eyebrow { margin: 0 0 7px; color: var(--kngvq-green-dark); font-size: .8rem; font-weight: 900; letter-spacing: .08em; }
.kngvq-title { margin: 0 0 9px; color: var(--kngvq-ink); font-size: clamp(1.7rem, 6vw, 2.35rem); line-height: 1.2; }
.kngvq-instruction { margin: 0 0 25px; color: var(--kngvq-muted); line-height: 1.65; }
.kngvq-label { display: block; margin: 14px 0 9px; font-weight: 800; }
.kngvq-name-input {
  width: 100%; min-height: 52px; padding: 10px 15px; border: 2px solid var(--kngvq-line); border-radius: 15px;
  color: var(--kngvq-ink); background: #fff; font: inherit; outline: 0;
}
.kngvq-name-input:focus { border-color: var(--kngvq-green); box-shadow: 0 0 0 4px rgba(32,169,107,.1); }
.kngvq-count-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kngvq-count-option input { position: absolute; opacity: 0; pointer-events: none; }
.kngvq-count-option span {
  min-height: 56px; display: grid; place-items: center; border: 2px solid var(--kngvq-line); border-radius: 16px;
  background: #fff; cursor: pointer; font-weight: 900; transition: .18s ease;
}
.kngvq-count-option input:checked + span { color: var(--kngvq-green-dark); border-color: var(--kngvq-green); background: var(--kngvq-green-soft); box-shadow: 0 0 0 4px rgba(32,169,107,.09); }
.kngvq-primary, .kngvq-secondary {
  width: 100%; min-height: 55px; margin-top: 16px; border-radius: 16px; cursor: pointer; font: inherit; font-weight: 900; transition: .16s ease;
}
.kngvq-primary { border: 0; color: #fff; background: linear-gradient(135deg, var(--kngvq-green), #29bd7d); box-shadow: 0 9px 20px rgba(32,169,107,.23); }
.kngvq-primary:hover { transform: translateY(-2px); }
.kngvq-primary:disabled { opacity: .6; cursor: wait; transform: none; }
.kngvq-secondary { border: 2px solid #cfe9dc; color: var(--kngvq-green-dark); background: #fff; }
.kngvq-meta { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 10px; color: var(--kngvq-muted); font-size: .92rem; font-weight: 800; }
.kngvq-live-score { padding: 4px 10px; border-radius: 999px; background: #eff8f3; color: var(--kngvq-green-dark); }
.kngvq-progress { height: 9px; margin-bottom: 18px; overflow: hidden; border-radius: 999px; background: #eeeadd; }
.kngvq-progress-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, #f1a92d, #f7c763); transition: width .35s ease; }
.kngvq-word-card {
  min-height: 255px; padding: 30px 20px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 2px solid #eee8d9; border-radius: 26px; background: #fffefb; box-shadow: 0 14px 38px rgba(83,72,43,.1); text-align: center; transition: .24s ease;
}
.kngvq-word-card.is-correct { border-color: rgba(32,169,107,.65); background: var(--kngvq-green-soft); box-shadow: 0 0 0 5px rgba(32,169,107,.08), 0 16px 34px rgba(32,169,107,.12); }
.kngvq-word-card.is-wrong { border-color: rgba(220,83,83,.6); background: var(--kngvq-red-soft); box-shadow: 0 0 0 5px rgba(220,83,83,.07), 0 16px 34px rgba(220,83,83,.1); }
.kngvq-feedback-icon { width: 50px; height: 50px; margin-bottom: 10px; display: none; place-items: center; border-radius: 50%; color: #fff; font-size: 1.7rem; font-weight: 900; }
.kngvq-word-card.is-correct .kngvq-feedback-icon { display: grid; background: var(--kngvq-green); }
.kngvq-word-card.is-wrong .kngvq-feedback-icon { display: grid; background: var(--kngvq-red); }
.kngvq-feedback-label { min-height: 28px; font-size: 1.15rem; font-weight: 900; }
.kngvq-word-card.is-correct .kngvq-feedback-label { color: var(--kngvq-green-dark); }
.kngvq-word-card.is-wrong .kngvq-feedback-label { color: var(--kngvq-red-dark); }
.kngvq-word { font-family: Arial, sans-serif; font-size: clamp(2.25rem, 11vw, 4.25rem); font-weight: 900; letter-spacing: -.03em; line-height: 1.08; overflow-wrap: anywhere; }
.kngvq-translation { min-height: 34px; margin-top: 10px; color: #4f5852; font-size: clamp(1.08rem, 4.3vw, 1.4rem); font-weight: 800; }
.kngvq-prompt { margin: 20px 0 11px; color: var(--kngvq-muted); font-size: .92rem; font-weight: 800; }
.kngvq-answers { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kngvq-answer {
  min-height: 72px; padding: 11px 14px; display: flex; align-items: center; gap: 12px; border: 2px solid #e9e4d7; border-radius: 18px;
  color: var(--kngvq-ink); background: #fff; box-shadow: 0 5px 0 #e9e4d7; cursor: pointer; text-align: left; font: inherit; font-weight: 800; transition: .16s ease;
}
.kngvq-answer:hover:not(:disabled) { transform: translateY(-2px); border-color: #cadfd2; }
.kngvq-answer:disabled { cursor: default; }
.kngvq-answer-number { width: 35px; height: 35px; flex: 0 0 35px; display: grid; place-items: center; border-radius: 11px; color: #786f63; background: #f3eee3; font-family: Arial, sans-serif; }
.kngvq-answer.is-correct { color: var(--kngvq-green-dark); border-color: var(--kngvq-green); background: #fbfffc; box-shadow: 0 0 0 4px rgba(32,169,107,.1), 0 0 18px rgba(32,169,107,.22); }
.kngvq-answer.is-correct .kngvq-answer-number { color: #fff; background: var(--kngvq-green); }
.kngvq-answer.is-wrong { color: var(--kngvq-red-dark); border-color: var(--kngvq-red); background: #fffafa; box-shadow: 0 0 0 4px rgba(220,83,83,.08), 0 0 16px rgba(220,83,83,.18); }
.kngvq-answer.is-wrong .kngvq-answer-number { color: #fff; background: var(--kngvq-red); }
.kngvq-result-card { text-align: center; }
.kngvq-result-score { width: 158px; height: 158px; margin: 22px auto 10px; display: grid; place-items: center; border: 10px solid #dff4e9; border-radius: 50%; color: var(--kngvq-green-dark); background: #fff; box-shadow: 0 0 0 3px var(--kngvq-green), 0 12px 28px rgba(32,169,107,.15); font-family: Arial, sans-serif; font-size: 3rem; font-weight: 900; }
.kngvq-result-label, .kngvq-result-detail { margin: 7px 0; color: var(--kngvq-muted); font-weight: 700; }
.kngvq-leaderboard { margin-top: 24px; text-align: left; }
.kngvq-leaderboard h2, .kngvq-leaderboard h3 { margin: 0 0 12px; }
.kngvq-score-list { margin: 0; padding: 0; list-style: none; }
.kngvq-score-list li { padding: 10px 7px; display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 8px; border-bottom: 1px solid var(--kngvq-line); }
.kngvq-score-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kngvq-score-points { color: var(--kngvq-green-dark); font-size: 1.08rem; }
.kngvq-table-wrap { overflow-x: auto; }
.kngvq-leaderboard table { width: 100%; border-collapse: collapse; }
.kngvq-leaderboard th, .kngvq-leaderboard td { padding: 10px 12px; border-bottom: 1px solid var(--kngvq-line); text-align: left; white-space: nowrap; }
.kngvq-leaderboard th { color: var(--kngvq-green-dark); background: var(--kngvq-green-soft); }
.kngvq-modal-overlay { position: fixed; z-index: 999999; inset: 0; padding: 20px; display: grid; place-items: center; background: rgba(20,35,27,.54); }
.kngvq-modal { width: min(560px, 100%); max-height: 85vh; padding: 24px; position: relative; overflow: auto; border-radius: 24px; background: #fffefb; box-shadow: 0 24px 70px rgba(0,0,0,.24); }
.kngvq-modal-close { position: absolute; top: 10px; right: 12px; width: 40px; height: 40px; border: 0; border-radius: 50%; color: #555; background: #f1eee7; cursor: pointer; font-size: 1.6rem; }
.kngvq-domain-lock, .kngvq-loading, .kngvq-error, .kngvq-empty { padding: 18px; text-align: center; }
.kngvq-error { color: var(--kngvq-red-dark); }

@media (max-width: 540px) {
  .kngvq-app { margin: 14px auto; }
  .kngvq-answers { grid-template-columns: 1fr; gap: 10px; }
  .kngvq-answer { min-height: 62px; box-shadow: 0 4px 0 #e9e4d7; }
  .kngvq-word-card { min-height: 225px; }
  .kngvq-count-options { gap: 7px; }
  .kngvq-count-option span { min-height: 52px; font-size: .92rem; }
}
@media (prefers-reduced-motion: reduce) {
  .kngvq-app *, .kngvq-app *::before, .kngvq-app *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}