/* ═══════════════════════════════════════════════════════
   신용평가모형(CSS) 교육자료 — Custom Theme
   ═══════════════════════════════════════════════════════ */

/* ── Material 테마 primary 오버라이드 → Primary Blue ── */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #0064ff;
  --md-primary-fg-color--light: #3d8bff;
  --md-primary-fg-color--dark: #0050cc;
  --md-accent-fg-color: #0064ff;
}
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #3d8bff;
  --md-primary-fg-color--light: #5a9fff;
  --md-primary-fg-color--dark: #0064ff;
  --md-accent-fg-color: #3d8bff;
}

/* ── 컬러 토큰 ── */
:root {
  --t-blue: #0064ff;
  --t-blue-light: #e8f1ff;
  --t-blue-dark: #0050cc;
  --t-bg: #f4f5f7;
  --t-bg-card: #ffffff;
  --t-bg-elevated: #ffffff;
  --t-border: #e4e5e7;
  --t-text-primary: #191f28;
  --t-text-secondary: #4e5968;
  --t-text-tertiary: #8b95a1;
  --t-text-disabled: #b0b8c1;
  --t-success: #1bb76e;
  --t-warning: #f59f00;
  --t-danger: #f04452;
  --t-radius: 16px;
  --t-radius-sm: 12px;
  --t-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --t-shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.10);
}

[data-md-color-scheme="slate"] {
  --t-bg: #17171c;
  --t-bg-card: #212126;
  --t-bg-elevated: #2c2c33;
  --t-border: #35353d;
  --t-text-primary: #ececee;
  --t-text-secondary: #a6a6b0;
  --t-text-tertiary: #6e6e7a;
  --t-text-disabled: #4a4a55;
  --t-blue-light: #0a1a33;
  --t-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  --t-shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.4);
}

/* ── 전역 배경 ── */
.md-main {
  background: var(--t-bg);
}

/* ── 콘텐츠 영역 폭 ── */
.md-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── 본문 우측 여백 (사이드바와 대칭) ── */
.md-content {
  margin-right: 3rem;
}

/* ── 타이포그래피 ── */
.md-typeset {
  font-size: 0.65rem;
  line-height: 1.8;
  color: var(--t-text-primary);
  word-break: keep-all;
}

.md-typeset h1 {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  color: var(--t-text-primary);
  border-bottom: none;
  margin-bottom: 0.6em;
}

.md-typeset h2 {
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: -0.02em;
  color: var(--t-text-primary);
  border-bottom: none;
  margin-top: 2.8em;
  margin-bottom: 0.8em;
  padding-bottom: 0;
}

.md-typeset h3 {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--t-text-primary);
  margin-top: 2em;
}

.md-typeset p {
  color: var(--t-text-secondary);
}

.md-typeset strong {
  color: var(--t-text-primary);
  font-weight: 600;
}

/* ── 본문 컨텐츠 영역 카드화 ── */
.md-content__inner {
  background: var(--t-bg-card);
  border-radius: var(--t-radius);
  box-shadow: var(--t-shadow);
  padding: 2rem 2.4rem;
  margin: 1.2rem 0;
}

[data-md-color-scheme="slate"] .md-content__inner {
  background: var(--t-bg-card);
}

/* ── 표 ── */
.md-typeset table:not([class]) {
  font-size: 0.63rem;
  border: none;
  border-radius: var(--t-radius-sm);
  overflow: hidden;
  box-shadow: var(--t-shadow);
  margin: 1.4em 0;
  background: var(--t-bg-card);
  width: auto;
  min-width: 50%;
}

.md-typeset table:not([class]) thead,
.md-typeset table thead {
  background: var(--t-blue);
}

.md-typeset table:not([class]) th,
.md-typeset table thead th {
  color: #fff !important;
  font-weight: 600;
  padding: 0.8em 1.1em;
  border: none;
  font-size: 0.65rem;
}
.md-typeset table thead th *,
.md-typeset table thead th strong,
.md-typeset table thead th em,
.md-typeset table thead th a,
.md-typeset table thead th code {
  color: #fff !important;
}
.md-typeset table thead th code {
  background: rgba(255, 255, 255, 0.18);
}

.md-typeset table:not([class]) td {
  padding: 0.7em 1.1em;
  border-bottom: 1px solid var(--t-border);
  color: var(--t-text-secondary);
}

.md-typeset table:not([class]) tbody tr:last-child td {
  border-bottom: none;
}

.md-typeset table:not([class]) tbody tr:nth-child(even) {
  background: var(--t-bg);
}

.md-typeset table:not([class]) tbody tr:hover {
  background: var(--t-blue-light);
  transition: background 0.15s ease;
}

/* ── Admonition — 카드 스타일 ── */
.md-typeset .admonition,
.md-typeset details {
  border: none;
  border-radius: var(--t-radius-sm);
  box-shadow: var(--t-shadow);
  border-left: 4px solid;
  margin: 1.6em 0;
  overflow: hidden;
}

.md-typeset .admonition-title,
.md-typeset summary {
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--t-border);
  padding: 0.7em 1.2em;
}

.md-typeset .admonition > p,
.md-typeset .admonition > ul,
.md-typeset .admonition > ol,
.md-typeset .admonition > table {
  padding: 0 0.4em;
}

/* note */
.md-typeset .admonition.note {
  border-left-color: var(--t-blue);
  background: var(--t-bg-card);
}

/* tip — 실무 포인트 */
.md-typeset .admonition.tip {
  border-left-color: var(--t-warning);
  background: linear-gradient(135deg, #fffcf0, #fff9e6);
}
[data-md-color-scheme="slate"] .md-typeset .admonition.tip {
  background: linear-gradient(135deg, #262200, #2a2600);
}

/* warning */
.md-typeset .admonition.warning {
  border-left-color: var(--t-danger);
  background: linear-gradient(135deg, #fff5f5, #fff0f0);
}
[data-md-color-scheme="slate"] .md-typeset .admonition.warning {
  background: linear-gradient(135deg, #2a0a0a, #300d0d);
}

/* success */
.md-typeset .admonition.success {
  border-left-color: var(--t-success);
  background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
}
[data-md-color-scheme="slate"] .md-typeset .admonition.success {
  background: linear-gradient(135deg, #0a2a12, #0d3316);
}

/* example — CB사 참조용 */
.md-typeset .admonition.example {
  border-left-color: #8b5cf6;
  background: linear-gradient(135deg, #faf5ff, #f5f0ff);
}
[data-md-color-scheme="slate"] .md-typeset .admonition.example {
  background: linear-gradient(135deg, #1a0a2e, #1f0d33);
}

/* ── blockquote (플로우 다이어그램) ── */
.md-typeset blockquote {
  background: var(--t-bg);
  border: none;
  border-left: 4px solid var(--t-blue);
  border-radius: 0 var(--t-radius-sm) var(--t-radius-sm) 0;
  padding: 1.2em 1.6em;
  margin: 1.4em 0;
  color: var(--t-text-secondary);
  box-shadow: var(--t-shadow);
}

.md-typeset blockquote strong {
  color: var(--t-blue);
}

/* ── 이미지 ── */
.md-typeset img {
  border-radius: var(--t-radius-sm);
  box-shadow: var(--t-shadow);
  margin: 1.2em 0;
}

[data-md-color-scheme="slate"] .md-typeset img {
  filter: brightness(0.92) contrast(1.05);
}

/* ── 수식 ── */
.arithmatex {
  overflow-x: auto;
  margin: 0.8em 0 !important;
}

.md-typeset .admonition .arithmatex {
  margin: 0.5em 0 !important;
}

mjx-container[display="true"] {
  margin: 0.6em 0 !important;
}

/* ── 코드 ── */
.md-typeset code {
  border-radius: 6px;
  padding: 0.15em 0.45em;
  font-size: 0.84em;
  background: var(--t-bg);
}

/* ── 구분선 ── */
.md-typeset hr {
  border: none;
  height: 1px;
  background: var(--t-border);
  margin: 2.8em 0;
}

/* ── 리스트 ── */
.md-typeset li {
  margin-bottom: 0.35em;
  color: var(--t-text-secondary);
}

/* ── 사이드바 폭 ── */
.md-sidebar {
  width: 11rem;
}

.md-sidebar__scrollwrap {
  padding: 0;
}

/* ── 사이드바 네비게이션 ── */

/* 기본 링크 스타일 */
.md-nav__item .md-nav__link {
  font-size: 0.66rem;
  font-weight: 400;
  color: var(--t-text-tertiary);
  border-radius: 6px;
  padding: 0.35em 0.6em 0.35em 1.2em;
  line-height: 1.5;
  transition: all 0.15s ease;
}

.md-nav__item .md-nav__link:hover {
  color: var(--t-blue);
  background: var(--t-blue-light);
}

/* 현재 페이지 강조 */
.md-nav__item .md-nav__link--active {
  color: var(--t-blue) !important;
  font-weight: 600;
  background: var(--t-blue-light);
  border-left: 2px solid var(--t-blue);
  border-radius: 0 6px 6px 0;
}

/* 1단계: 탭 하위 섹션 타이틀 (1. 개요, Classing, WoE/IV 등) */
.md-nav__item--nested > .md-nav__link,
.md-nav__item--nested > .md-nav__container > .md-nav__link {
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--t-text-primary);
  padding: 0.5em 0.6em;
  margin-top: 0.8em;
  margin-bottom: 0.2em;
  letter-spacing: -0.01em;
  opacity: 1;
  text-transform: none;
  border-radius: 6px;
  background: var(--t-bg);
}

/* 활성 섹션 타이틀 */
.md-nav__item--active > .md-nav__link,
.md-nav__item--active > .md-nav__container > .md-nav__link {
  color: var(--t-blue) !important;
  background: var(--t-blue-light);
}

/* 섹션 간 간격 */
.md-nav__item--nested {
  margin-bottom: 0.3em;
}

/* 하위 목록 들여쓰기 */
.md-nav__item--nested .md-nav {
  margin-left: 0.4em;
  border-left: 1px solid var(--t-border);
  padding-left: 0;
}

/* ── 통합 TOC (toc.integrate) 축소 ── */
.md-nav--secondary .md-nav__link {
  font-size: 0.64rem;
  padding: 0.15em 0.6em;
  color: var(--t-text-tertiary);
  line-height: 1.4;
}

.md-nav--secondary .md-nav__item {
  margin: 0;
  padding: 0;
}

.md-nav--secondary .md-nav__title {
  display: none;
}

/* ── 상단 탭 ── */
.md-tabs__link {
  font-weight: 600;
  font-size: 0.78rem;
}

/* 드롭다운이 잘리지 않도록 overflow 해제 */
.md-tabs {
  overflow: visible !important;
}
.md-tabs__list {
  overflow: visible !important;
}
.md-header {
  overflow: visible !important;
  z-index: 10;
}

/* ── 드롭다운 탭 ── */
.md-tabs__item--dropdown {
  position: relative;
}

.md-tabs__link--dropdown {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  cursor: pointer;
}

/* 서브레이블 (Machine Learning) */
.md-tabs__link--dropdown[data-sublabel]::after {
  content: attr(data-sublabel);
  font-size: 0.48rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.05em;
  margin-top: -0.15rem;
}

/* 드롭다운 패널 (position:fixed, body에 직접 붙음) */
.md-dropdown-panel {
  position: fixed;
  min-width: 220px;
  background: var(--md-default-bg-color, #fff);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 9999;
  pointer-events: none;
}

.md-dropdown-panel--visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* 드롭다운 개별 링크 */
.md-dropdown-panel__link {
  display: block;
  padding: 0.35rem 1rem;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--md-default-fg-color, #333);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}

.md-dropdown-panel__link:hover {
  background: var(--md-accent-fg-color--transparent, rgba(0, 100, 255, 0.08));
  color: var(--md-accent-fg-color, #0064ff);
}

.md-dropdown-panel__link--active {
  color: var(--md-accent-fg-color, #0064ff);
  font-weight: 700;
  background: var(--md-accent-fg-color--transparent, rgba(0, 100, 255, 0.06));
}

/* 드롭다운 섹션 구분선 */
.md-dropdown-panel__divider {
  padding: 0.25rem 1rem 0.15rem;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--md-default-fg-color--lighter, #999);
  letter-spacing: 0.05em;
  border-top: 1px solid var(--md-default-fg-color--lightest, #eee);
  margin-top: 0.2rem;
}

.md-dropdown-panel__divider:first-child {
  border-top: none;
  margin-top: 0;
}

/* 다크모드 드롭다운 */
[data-md-color-scheme="slate"] .md-dropdown-panel {
  background: var(--md-default-bg-color, #1e1e1e);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 드롭다운 탭 간격 (구분선 없음) */
.md-tabs__item--dropdown + .md-tabs__item--dropdown {
  margin-left: 1.2rem;
  padding-left: 0;
  border-left: none;
}

/* ── 여신 프로세스 카드 배지 색상 (그린) ── */
.card--lending .card-part {
  background: #1bb76e;
}

/* ── ML 카드 배지 색상 (퍼플) ── */
.card--ml .card-part {
  background: #8b5cf6;
}

/* ── 카드 그리드 섹션 헤더 ── */
.card-section-header {
  grid-column: 1 / -1;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--t-text-primary);
  padding: 0.6em 0 0.2em;
  margin-top: 0.8em;
  border-bottom: 2px solid var(--t-border);
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.card-section-header .section-badge {
  display: inline-block;
  font-size: 0.64rem;
  font-weight: 600;
  padding: 0.2em 0.7em;
  border-radius: 20px;
  color: #fff;
}

.card-section-header .section-badge--traditional {
  background: var(--t-blue);
}

.card-section-header .section-badge--ml {
  background: #8b5cf6;
}

.card-section-header .section-badge--lending {
  background: #1bb76e;
}

.card-section-header .section-badge--appendix {
  background: #6b7280;
}

/* ── 히어로 섹션 ── */
.hero {
  background: linear-gradient(135deg, #001a4d 0%, var(--t-blue) 50%, #3d8bff 100%);
  color: #fff;
  padding: 1.8rem 2rem;
  border-radius: var(--t-radius-sm);
  margin: -0.8rem 0 1.2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 50%;
  height: 180%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.hero h2 {
  color: #fff !important;
  font-size: 1.3rem !important;
  font-weight: 800;
  margin-top: 0 !important;
  letter-spacing: -0.03em;
}

.hero p,
.md-typeset .hero p {
  color: rgba(255,255,255,0.8) !important;
  font-size: 0.68rem;
  max-width: 640px;
  line-height: 1.7;
}

.hero strong,
.md-typeset .hero strong {
  color: #fff !important;
  font-weight: 700;
}

.hero .hero-meta {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.66rem;
  color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.1);
  padding: 0.25em 0.8em;
  border-radius: 20px;
}

/* ── 저자 소개 블록 ── */
.author-intro {
  background: var(--t-bg);
  border-radius: var(--t-radius-sm);
  padding: 1.4rem 2rem;
  margin-bottom: 1.2rem;
  border-left: 4px solid var(--t-blue);
}

.md-typeset .author-intro p {
  font-size: 0.68rem;
  color: var(--t-text-secondary);
  line-height: 1.8;
  margin: 0.4em 0;
}

.md-typeset .author-intro strong {
  color: var(--t-blue);
}

[data-md-color-scheme="slate"] .author-intro {
  background: var(--t-bg-card);
}

.author-badge {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.66rem;
  font-weight: 600;
  color: #fff;
  background: var(--t-blue);
  padding: 0.3em 1em;
  border-radius: 20px;
}

@media (max-width: 768px) {
  .author-intro {
    padding: 1rem 1.2rem;
  }
}

/* ── 카드 그리드 ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin: 1.5rem 0;
}

.card {
  background: var(--t-bg-card);
  border: none;
  border-radius: var(--t-radius);
  padding: 1.6rem 1.8rem;
  box-shadow: var(--t-shadow);
  transition: all 0.2s ease;
  position: relative;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--t-shadow-hover);
  transform: translateY(-3px);
}

.card .card-part {
  display: inline-block;
  background: var(--t-blue);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.35em 1em;
  border-radius: 20px;
  letter-spacing: 0.03em;
  margin-bottom: 0.8em;
  width: fit-content;
  white-space: nowrap;
}

.card .card-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--t-text-primary);
  margin-bottom: 0.6em;
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.card .card-title a {
  color: inherit;
  text-decoration: none;
}

.card .card-title a:hover {
  color: var(--t-blue);
}

.card .card-desc {
  font-size: 0.65rem;
  color: var(--t-text-tertiary);
  line-height: 1.7;
  flex-grow: 1;
}

.card .card-keywords {
  margin-top: 0.6em;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35em;
}

.card .card-keywords span {
  font-size: 0.62rem;
  background: var(--t-bg);
  color: var(--t-text-tertiary);
  padding: 0.2em 0.6em;
  border-radius: 20px;
  font-weight: 500;
}

[data-md-color-scheme="slate"] .card .card-keywords span {
  background: var(--t-bg-elevated);
}

/* ── 출처 표기 ── */
.source-ref {
  font-size: 0.7rem;
  color: var(--t-text-tertiary);
  border-top: 1px solid var(--t-border);
  padding-top: 0.7em;
  margin-top: 1.2em;
}

.source-ref a {
  color: var(--t-blue);
  text-decoration: none;
}

.source-ref a:hover {
  text-decoration: underline;
}

/* ── 저자 표기 ── */
.md-footer-copyright {
  font-size: 0.72rem;
}

/* ── 탭 (SAS/Python) ── */
.md-typeset .tabbed-labels > label {
  font-weight: 600;
  font-size: 0.78rem;
  border-radius: 8px 8px 0 0;
}

/* ── 검토 항목 배지 헤딩 ── */
.review-item {
  background: var(--t-bg);
  border-radius: var(--t-radius-sm);
  padding: 0.7em 1.2em;
  margin: 2em 0 1em;
  display: flex;
  align-items: center;
  gap: 0.7em;
  box-shadow: var(--t-shadow);
  border-left: 4px solid var(--t-blue);
}

.review-item .review-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8em;
  height: 1.8em;
  background: var(--t-blue);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}

.review-item .review-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--t-text-primary);
  letter-spacing: -0.01em;
}

[data-md-color-scheme="slate"] .review-item {
  background: var(--t-bg-elevated);
}

/* ── 넘버링 타이틀 (① ② ③ 등) ── */
.numbered-title {
  background: var(--t-bg);
  border-radius: 8px;
  padding: 0.55em 1em;
  margin: 1.4em 0 0.6em;
  font-weight: 600;
  font-size: 0.72rem;
  color: var(--t-text-primary);
  border-left: 3px solid var(--t-blue);
  letter-spacing: -0.01em;
}

[data-md-color-scheme="slate"] .numbered-title {
  background: var(--t-bg-elevated);
}

/* ── 검색바 ── */
.md-search__input {
  border-radius: var(--t-radius-sm);
}

/* ── 반응형 ── */

/* MkDocs Material 사이드바 숨김 브레이크포인트 (≈960px) */
@media (max-width: 76.25em) {
  .md-content {
    margin-right: 0;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* 전체 오버플로 방지 */
  .md-main__inner {
    overflow-x: hidden;
  }

  .md-content__inner {
    padding: 1.2rem 1rem;
    margin: 0.4rem 0;
    overflow-x: auto;
  }

  .md-grid {
    padding: 0 0.4rem;
  }

  /* 이미지 뷰포트 제한 */
  .md-typeset img {
    max-width: 100%;
    height: auto;
  }

  /* 표 가로 스크롤 */
  .md-typeset table:not([class]) {
    display: block;
    overflow-x: auto;
    min-width: 0;
    -webkit-overflow-scrolling: touch;
  }

  /* 수식 오버플로 */
  .arithmatex {
    overflow-x: auto;
    max-width: 100%;
  }

  mjx-container {
    overflow-x: auto;
    max-width: 100%;
  }

  /* 카드/히어로 */
  .card-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
  .card {
    min-height: auto;
    padding: 1.2rem 1.4rem;
  }
  .hero {
    padding: 1.4rem 1rem;
    margin: -0.4rem 0 0.8rem;
  }
  .hero h2 {
    font-size: 1.1rem !important;
  }
  .hero p {
    font-size: 0.7rem;
  }

  /* blockquote 패딩 축소 */
  .md-typeset blockquote {
    padding: 0.8em 1em;
  }

  /* 코드 블록 */
  .md-typeset pre {
    overflow-x: auto;
  }
}

/* ── 모바일 드로어: 헤더에 가리지 않도록 상단 여백 ── */
@media screen and (max-width: 76.25em) {
  .md-sidebar--primary .md-sidebar__scrollwrap {
    top: 3rem;
  }
}