/* KITT英語 Lesson12以降 Step確認 / Lesson15以降 Gate5問 追加CSS */

.kitt-step-check {
  margin: 24px 0 18px;
  padding: 18px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  background: #fffdf7;
}

.kitt-step-check-title,
.kitt-gate-question-title,
.kitt-gate-result-title,
.kitt-gate-hint-title {
  margin: 0 0 8px;
  font-weight: 700;
}

.kitt-step-check-question,
.kitt-gate-question-text {
  margin-bottom: 12px;
}

.kitt-step-check-area,
.kitt-gate-answer-area {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.kitt-step-check-answer,
.kitt-gate-answer {
  max-width: 360px;
  width: 100%;
}

.kitt-gate-answer {
  flex: 1 1 260px;
}

.kitt-gate-hint-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 0;
  border-radius: 10px;
  background: #2563eb;
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
}

.kitt-gate-hint-button:hover,
.kitt-gate-hint-button:focus {
  filter: brightness(0.95);
}

.kitt-gate-hint-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  filter: grayscale(0.15);
}

.kitt-gate-answer:disabled {
  background: #f5f7fa;
  color: #667085;
  cursor: not-allowed;
  opacity: 0.85;
}

.kitt-gate-inline-hint {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  background: #eff6ff;
}

.kitt-gate-question.is-hint-used {
  border-color: #bfdbfe;
}

.kitt-step-check-feedback {
  display: none;
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 700;
}

.kitt-step-check-feedback.is-success {
  background: #ecfdf5;
  border: 1px solid #bbf7d0;
}

.kitt-step-check-feedback.is-error {
  background: #fff7ed;
  border: 1px solid #fed7aa;
}

.kitt-step-check-explanation {
  display: none;
  margin-top: 10px;
  padding: 12px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
}

.kitt-step-check-feedback p,
.kitt-step-check-explanation p {
  margin: 0 0 0.45em;
}

.kitt-step-check-feedback p:last-child,
.kitt-step-check-explanation p:last-child {
  margin-bottom: 0;
}

.kitt-step-check-correct-answer {
  margin-top: 6px;
  font-weight: 700;
}

.kitt-gate-multi {
  display: grid;
  gap: 16px;
  margin: 20px 0;
}

.kitt-gate-question {
  padding: 18px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  background: #ffffff;
}

.kitt-gate-question.is-correct {
  border-color: #86efac;
  background: #f0fdf4;
}

.kitt-gate-question.is-incorrect {
  border-color: #fdba74;
  background: #fff7ed;
}

.kitt-gate-result {
  display: none;
  margin-top: 18px;
  padding: 18px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
}

.kitt-gate-result-summary {
  margin-bottom: 14px;
  font-weight: 700;
}

.kitt-gate-result-item {
  margin-top: 12px;
  padding: 12px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
}

.kitt-gate-result-item.is-correct {
  border-color: #bbf7d0;
}

.kitt-gate-result-item.is-incorrect {
  border-color: #fed7aa;
}

.kitt-gate-result-answer,
.kitt-gate-result-explanation {
  margin: 6px 0 0;
}

.kitt-gate-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
}

.kitt-gate-modal.is-open {
  display: block;
}

.kitt-gate-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.kitt-gate-modal-panel {
  position: relative;
  width: min(720px, calc(100% - 32px));
  max-height: calc(100vh - 80px);
  overflow: auto;
  margin: 40px auto;
  padding: 20px;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.kitt-gate-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.kitt-gate-modal-title {
  margin: 0;
  font-weight: 700;
  font-size: 1.1rem;
}

.kitt-gate-modal-close {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  line-height: 1;
}

.kitt-gate-hint-item {
  padding: 12px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
}

.kitt-gate-hint-item + .kitt-gate-hint-item {
  margin-top: 10px;
}

.kitt-gate-hint-text {
  margin: 0;
}

/* Step確認：確認操作の押し忘れ防止 */
.kitt-step-check-notice {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  font-weight: 700;
}

.kitt-step-check-notice.is-complete {
  background: #ecfdf5;
  border-color: #bbf7d0;
}

.kitt-step-check-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 0;
  border-radius: 10px;
  background: #2563eb;
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
}

.kitt-step-check-button:hover,
.kitt-step-check-button:focus {
  filter: brightness(0.95);
}

.kitt-step-check-button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.js-step-next.is-step-check-locked,
.js-step-next:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}


@media (max-width: 640px) {
  .kitt-step-check-area,
  .kitt-gate-answer-area {
    align-items: stretch;
    flex-direction: column;
  }

  .kitt-step-check-answer,
  .kitt-step-check-button,
  .kitt-gate-answer,
  .kitt-gate-hint-button {
    max-width: none;
    width: 100%;
  }
}

/* ========================================
   KITT Lesson Explanation Blocks v0.1
   Step説明を「ポイント・例文・ルール・注意」に分ける
======================================== */

.kitt-lesson-block {
  margin: 18px 0;
  padding: 16px 18px;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  background: #ffffff;
  line-height: 1.85;
}

.kitt-lesson-block:first-child {
  margin-top: 0;
}

.kitt-lesson-block:last-child {
  margin-bottom: 0;
}

.kitt-lesson-block p {
  margin: 0 0 0.75em;
}

.kitt-lesson-block p:last-child {
  margin-bottom: 0;
}

.kitt-lesson-block-title {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 0 0 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.45);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}

.kitt-lesson-block--point {
  background: #eff6ff;
  border-color: #bfdbfe;
}

.kitt-lesson-block--example {
  background: #f8fafc;
  border-color: #d9e2f0;
}

.kitt-lesson-block--rule {
  background: #fff7ed;
  border-color: #fed7aa;
}

.kitt-lesson-block--note {
  background: #fefce8;
  border-color: #fde68a;
}

.kitt-lesson-block--safe {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.kitt-lesson-block--mistake {
  background: #fff1f2;
  border-color: #fecdd3;
}

.kitt-lesson-block--summary {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.kitt-wrong-example,
.kitt-wrong-example s,
.kitt-wrong-example del {
  color: #b42318;
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

.kitt-example-card {
  margin: 10px 0;
  padding: 12px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  background: #ffffff;
}

.kitt-example-card--answer {
  border-color: #bfdbfe;
  background: #ffffff;
}

.kitt-example-en {
  margin: 0 0 2px;
  font-size: 1.06em;
  font-weight: 700;
  line-height: 1.6;
  color: #111827;
}

.kitt-example-ja {
  margin: 0;
  color: #475467;
  line-height: 1.6;
}

.kitt-change-mark {
  margin: 8px 0;
  font-weight: 700;
  color: #475467;
}

.kitt-rule-list {
  margin: 0.2em 0 0 1.2em;
  padding: 0;
}

.kitt-rule-list li {
  margin: 0 0 0.45em;
}

.kitt-rule-list li:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .kitt-lesson-block {
    margin: 14px 0;
    padding: 14px 14px;
    border-radius: 12px;
    line-height: 1.8;
  }

  .kitt-lesson-block-title {
    margin-bottom: 8px;
    font-size: 13px;
  }

  .kitt-example-card {
    padding: 11px 12px;
  }

  .kitt-example-en {
    font-size: 1.03em;
  }
}



/* ========================================
   KITT Lesson Complete Actions v0.1
   最終Dayでは「次のDAYへ進む」を出さず、マイページ/次レッスン導線へ分ける
======================================== */

.lesson-complete-text p {
  margin: 0 0 0.7em;
}

.lesson-complete-text p:last-child {
  margin-bottom: 0;
}

.lesson-complete-actions {
  gap: 10px;
  flex-wrap: wrap;
}

.kitt-day-next-button--secondary {
  background: #ffffff;
  color: #1f2937;
  border: 1px solid #d1d5db;
}

.kitt-day-next-button--secondary:hover {
  color: #111827;
  background: #f3f4f6;
}

@media (max-width: 640px) {
  .lesson-complete-actions {
    flex-direction: column;
  }

  .lesson-complete-actions .kitt-day-next-button {
    max-width: none;
  }
}

/* ========================================
   KITT Gate / Step Check Disabled Polish v0.2
   採点後・確認後のボタンを「押せない見た目」にする
======================================== */

.kitt-step-check-button:disabled,
.kitt-gate-hint-button:disabled,
#gate-multi-check:disabled,
#step4-check:disabled,
.step4-hint-button:disabled {
  background: #9aa5b1 !important;
  color: #ffffff !important;
  cursor: not-allowed !important;
  opacity: 0.55 !important;
  filter: none !important;
}

.kitt-step-check-answer:disabled,
.kitt-gate-answer:disabled,
#step4-answer:disabled {
  background: #f5f7fa !important;
  color: #667085 !important;
  cursor: not-allowed !important;
}


/* ========================================
   KITT Lesson Complete Buttons Polish v0.3
   Lesson最終Dayの「次のレッスンへ進む / マイページへ戻る」ボタンを明示的に整える
======================================== */

.lesson-complete-message .lesson-complete-actions,
.lesson-complete-message .lesson-complete-actions--final {
  display: flex !important;
  justify-content: flex-end !important;
  align-items: center !important;
  gap: 12px !important;
  flex-wrap: wrap !important;
  width: 100% !important;
  margin-top: 10px !important;
}

.lesson-complete-message .kitt-day-next-button {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 48px !important;
  min-width: 176px !important;
  padding: 12px 22px !important;
  border: 1px solid #2563eb !important;
  border-radius: 10px !important;
  background: #3b82f6 !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  line-height: 1.3 !important;
  text-align: center !important;
  text-decoration: none !important;
  box-sizing: border-box !important;
  white-space: normal !important;
  cursor: pointer !important;
}

.lesson-complete-message .kitt-day-next-button:hover,
.lesson-complete-message .kitt-day-next-button:focus {
  color: #ffffff !important;
  background: #2563eb !important;
  text-decoration: none !important;
  opacity: 1 !important;
}

.lesson-complete-message .kitt-day-next-button--secondary {
  border-color: #d1d5db !important;
  background: #ffffff !important;
  color: #1f2937 !important;
}

.lesson-complete-message .kitt-day-next-button--secondary:hover,
.lesson-complete-message .kitt-day-next-button--secondary:focus {
  border-color: #9ca3af !important;
  background: #f3f4f6 !important;
  color: #111827 !important;
  text-decoration: none !important;
}

@media (max-width: 640px) {
  .lesson-complete-message .lesson-complete-actions,
  .lesson-complete-message .lesson-complete-actions--final {
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: center !important;
    gap: 10px !important;
  }

  .lesson-complete-message .kitt-day-next-button {
    width: 100% !important;
    max-width: none !important;
    min-width: 0 !important;
    margin: 0 !important;
  }
}