.settings-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100vh;
  background: #fff;
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
  transition: right 0.3s ease;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  visibility: visible;
}

.settings-panel.show {
  right: 0;
}

.settings-header {
  padding: 1rem;
  border-bottom: 1px solid #dee2e6;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.settings-content {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
}

.settings-section {
  margin-bottom: 2rem;
}

.settings-section:last-child {
  margin-bottom: 0;
}

.model-options {
  margin-top: 1rem;
}

/* 모델 그룹 스타일 */
.model-group {
  padding: 0.5rem;
  background-color: #f8f9fa;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.model-group:last-child {
  margin-bottom: 0;
}

.model-group-title {
  font-weight: 600;
  color: #6c757d;
  padding: 0 0.5rem;
}

/* 모델 선택 카드 스타일 */
.model-options .form-check {
  margin-bottom: 0.75rem;
  padding: 1rem;
  border: 2px solid #e9ecef;
  border-radius: 12px;
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
  background-color: #fff;
}

.model-options .form-check:last-child {
  margin-bottom: 0;
}

.model-options .form-check:hover {
  border-color: #0d6efd;
  background-color: #fff;
}

.model-options .form-check-input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.model-options .form-check-label {
  padding-left: 0;
  cursor: pointer;
  width: 100%;
  display: block;
}

.model-options .form-check-input:checked + .form-check-label {
  font-weight: 500;
}

/* 선택된 모델 카드 스타일 */
.model-options .form-check.selected {
  border-color: #0d6efd;
  background-color: rgba(13, 110, 253, 0.05);
}

.model-options .form-check.selected::before {
  content: "✓";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #0d6efd;
  font-weight: bold;
}

/* Temperature 컨트롤 스타일 */
.temperature-control {
  margin-top: 1.5rem;
  padding: 0 0.5rem;
}

.preset-buttons {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.preset-buttons button {
  flex: 1;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  background-color: #fff;
  border: 2px solid #dee2e6;
}

/* 프리셋 버튼 기본 스타일 */
.preset-buttons .btn-outline-secondary {
  color: #6c757d;
  border-color: #dee2e6;
}

.preset-buttons .btn-outline-primary {
  color: #0d6efd;
  border-color: #dee2e6;
}

/* 프리셋 버튼 활성화 상태 스타일 */
.preset-buttons button.active {
  font-weight: 500;
  background-color: #fff !important;
}

/* 정확도, 창의성 버튼 활성화 상태 */
.preset-buttons .btn-outline-secondary.active {
  border-color: #6c757d !important;
  color: #6c757d;
}

/* 기본값 버튼 활성화 상태 */
.preset-buttons .btn-outline-primary.active {
  border-color: #0d6efd !important;
  color: #0d6efd;
}

/* 호버 상태 */
.preset-buttons .btn-outline-secondary:hover {
  background-color: #fff;
  border-color: #6c757d;
  color: #6c757d;
}

.preset-buttons .btn-outline-primary:hover {
  background-color: #fff;
  border-color: #0d6efd;
  color: #0d6efd;
}

/* 커스텀 슬라이더 스타일 */
.form-range {
  height: 6px;
  padding: 0;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  margin: 1rem 0;
}

.form-range::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  background: linear-gradient(to right, #0d6efd 0%, #0d6efd 50%, #dc3545 100%);
  border-radius: 3px;
  border: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-range::-moz-range-track {
  width: 100%;
  height: 6px;
  background: linear-gradient(to right, #0d6efd 0%, #0d6efd 50%, #dc3545 100%);
  border-radius: 3px;
  border: none;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #0d6efd;
  margin-top: -7px;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.form-range::-webkit-slider-thumb:active {
  transform: scale(0.95);
}

.settings-footer {
  padding: 1rem;
  border-top: 1px solid #dee2e6;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* 모바일 대응 */
@media (max-width: 768px) {
  html {
    height: -webkit-fill-available;
  }

  .settings-panel {
    width: 100%;
    right: -100%;
    display: flex;
    flex-direction: column;
    height: 100vh;
    /* mobile viewport bug fix */
    height: -webkit-fill-available;
    min-height: -webkit-fill-available;
  }

  .settings-panel.show {
    right: 0;
  }

  .settings-header {
    flex: 0 0 auto;
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 1;
  }

  .settings-content {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 1rem;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
  }

  .settings-footer {
    flex: 0 0 auto;
    padding: 0.75rem 1rem;
    background: #fff;
    border-top: 1px solid #dee2e6;
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1;
  }

  body.settings-open {
    position: fixed;
    width: 100%;
    height: 100vh;
    /* mobile viewport bug fix */
    height: -webkit-fill-available;
    overflow: hidden;
  }

  .model-options .form-check {
    padding: 0.5rem 0.75rem;
  }

  /* 모바일에서 스크롤 가능한 영역 확보 */
  .ai-settings-tab-content {
    overflow-y: visible;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
  }
}

/* AI 모델 탭 스타일 */
#aiModelTabs {
  border-bottom: 1px solid #dee2e6;
  margin-bottom: 1rem;
}

/* 2026-05-20: main.css 의 광범위 button 룰 (#007bff fill) 이 nav-tabs button 영향.
   id specificity 가 main.css 의 `.nav-tabs .nav-link:hover` 보다 높아 별도 override.
   base + hover + focus + active hover/focus 5 selector 묶음 — 모든 state 의 background transparent. */
#aiModelTabs .nav-link,
#aiModelTabs .nav-link:hover,
#aiModelTabs .nav-link:focus,
#aiModelTabs .nav-link.active:hover,
#aiModelTabs .nav-link.active:focus {
  background-color: transparent;
}

#aiModelTabs .nav-link {
  color: #6c757d;
  border: none;
  padding: 0.5rem 1rem;
  margin-right: 1rem;
  font-weight: 500;
}

#aiModelTabs .nav-link:hover {
  color: #495057;
  border-color: transparent;
}

#aiModelTabs .nav-link.active {
  color: #0d6efd;
  border-bottom: 2px solid #0d6efd;
  background: transparent;
}

#aiModelTabContent {
  padding: 1rem 0;
}

.tab-pane .form-check:last-child {
  margin-bottom: 0 !important;
}

/* AI 설정 탭 컨텐츠 스타일 */
.ai-settings-tab-content {
  position: relative;
}

.ai-settings-tab-pane {
  display: none;
  opacity: 0;
  transition: opacity 0.15s linear;
}

.ai-settings-tab-pane.show {
  display: block;
}

.ai-settings-tab-pane.active {
  opacity: 1;
}

/* AI 모델 선택 카드 스타일 */
.ai-settings-tab-pane .form-check {
  margin-bottom: 0.75rem;
  padding: 0;
  position: relative;
}

.ai-settings-tab-pane .form-check:last-child {
  margin-bottom: 0;
}

.ai-settings-tab-pane .form-check-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.ai-settings-tab-pane .form-check-label {
  display: block;
  padding: 1rem;
  background: #fff;
  border: 2px solid #e9ecef;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  position: relative;
}

.ai-settings-tab-pane .form-check-label:hover {
  border-color: #0d6efd;
  background-color: rgba(13, 110, 253, 0.02);
}

/* 선택된 카드 스타일 */
.ai-settings-tab-pane .form-check-input:checked + .form-check-label {
  border-color: #0d6efd;
  background-color: rgba(13, 110, 253, 0.04);
  box-shadow: 0 2px 4px rgba(13, 110, 253, 0.1);
}

.ai-settings-tab-pane .form-check-input:checked + .form-check-label::after {
  content: "✓";
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: #0d6efd;
  font-weight: bold;
  font-size: 1.1rem;
  opacity: 1;
  transition: opacity 0.15s ease-in-out;
}

/* 모델 정보 스타일 */
.ai-settings-tab-pane .model-info {
  padding-right: 2rem;
}

.ai-settings-tab-pane .model-name {
  display: block;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: #212529;
}

.ai-settings-tab-pane .model-description {
  display: block;
  font-size: 0.875rem;
  color: #6c757d;
}

.default-model-indicator {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.125rem 0.5rem;
  background-color: rgba(13, 110, 253, 0.1);
  color: #0d6efd;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ──────────────────────────────────────────────────────────────
   폰트 ~20% 축소 (대제목 h5 "AI 모델 설정" 제외) + 카드 높이 ~20% 축소
   ────────────────────────────────────────────────────────────── */
/* 중간 제목 (모델 선택 / Temperature 설정 등 h6) — 0.8 에서 10% 키움 → 0.88rem */
.settings-panel h6 { font-size: 0.88rem; }
/* provider 탭 (Claude / OpenAI / Gemini) */
#aiModelTabs .nav-link { font-size: 0.8rem; }
/* 카드 폰트 — JS 렌더 마크업: 모델명 .fw-medium, 설명 small.text-muted */
.ai-settings-tab-pane .form-check-label .fw-medium { font-size: 0.8rem; }
.ai-settings-tab-pane .form-check-label small { font-size: 0.7rem; }
.default-model-indicator { font-size: 0.6rem; }
.ai-settings-tab-pane .form-check-input:checked + .form-check-label::after { font-size: 0.88rem; top: 0.8rem; right: 0.8rem; }
/* Temperature 프리셋 버튼 (정확도 / 기본값 / 창의성) */
.preset-buttons button { font-size: 0.8rem; }
/* 카드 높이 (padding ~20% 축소: 1rem → 0.8rem) */
.ai-settings-tab-pane .form-check-label { padding: 0.8rem; }
.ai-settings-tab-pane .form-check-label .fw-medium { margin-bottom: 0.15rem; }

/* 플로팅 패널 버튼 스타일 */
.settings-panel .btn-primary {
  background-color: #0d6efd;
  color: #fff;
  border-color: #0d6efd;
}

.settings-panel .btn-primary:hover {
  background-color: #0b5ed7;
  border-color: #0a58ca;
}

.settings-panel .btn-secondary {
  background-color: #6c757d;
  color: #fff;
  border-color: #6c757d;
}

.settings-panel .btn-secondary:hover {
  background-color: #5c636a;
  border-color: #565e64;
}

.settings-panel .btn-outline-primary {
  color: #0d6efd;
  border-color: #0d6efd;
  background-color: transparent;
}

.settings-panel .btn-outline-primary:hover {
  color: #fff;
  background-color: #0d6efd;
  border-color: #0d6efd;
}

.settings-panel .btn-outline-secondary {
  color: #6c757d;
  border-color: #6c757d;
  background-color: transparent;
}

.settings-panel .btn-outline-secondary:hover {
  color: #fff;
  background-color: #6c757d;
  border-color: #6c757d;
}

/* 프리셋 버튼 활성화 상태 스타일 */
.settings-panel .preset-buttons button.active {
  font-weight: 500;
  background-color: transparent !important;
}

/* 정확도, 창의성 버튼 활성화 상태 */
.settings-panel .preset-buttons .btn-outline-secondary.active {
  border-color: #6c757d !important;
  color: #6c757d;
  background-color: transparent;
}

/* 기본값 버튼 활성화 상태 */
.settings-panel .preset-buttons .btn-outline-primary.active {
  border-color: #0d6efd !important;
  color: #0d6efd;
  background-color: transparent;
}

/* 설정 패널이 열릴 때 body 스타일 */
body.settings-open {
  overflow: hidden; /* 스크롤 방지 */
}

@media (max-width: 768px) {
  body.settings-open {
    position: fixed; /* 모바일에서 스크롤 방지를 위해 position 고정 */
    width: 100%;
    height: 100%;
  }

  .settings-panel {
    width: 100%;
    right: -100%; /* 화면 밖으로 완전히 이동 */
  }

  .settings-panel.show {
    right: 0;
  }
}

/* ===== Sprint S-2.5: lifecycle visualization ===== */
.ai-model-row[data-active="false"] {
  opacity: 0.55;
}
.ai-model-row[data-active="false"] .form-check-label .fw-medium {
  text-decoration: line-through;
}
.ai-model-row[data-deleted="true"] {
  opacity: 0.4;
  background: #fef2f2;
  padding: 0.5rem;
  border-radius: 6px;
}
.ai-model-admin-actions .btn-link {
  color: #6b7280;
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.1rem 0.4rem;
}
.ai-model-admin-actions .btn-link:hover {
  color: #4f46e5;
  background-color: rgba(79, 70, 229, 0.06);
  border-radius: 4px;
}
#syncAISettingsBtn.loading i,
#syncAISettingsBtn.loading .bi-arrow-clockwise {
  animation: ai-settings-spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes ai-settings-spin {
  to {
    transform: rotate(360deg);
  }
}