/* ============================================================
   Repia Search 5 — Components
   header · tabs · nav · search · table · admonition · code · img · footer · button
   ============================================================ */

/* ---------- Header (glass) ---------- */
.md-header {
  background: rgba(255, 255, 255, 0.78);
  color: var(--rs-text);
  border-bottom: 1px solid var(--rs-border);
  box-shadow: none;
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
}
[data-md-color-scheme="slate"] .md-header {
  background: rgba(15, 23, 42, 0.72);
}
.md-header[data-md-state="shadow"] { box-shadow: var(--rs-shadow-sm); }

.md-header__title {
  font-family: var(--md-code-font);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--rs-text);
}
.md-header__topic:first-child .md-header__title-text,
.md-header__topic:first-child {
  font-family: var(--md-code-font);
  font-weight: 600;
  letter-spacing: 0.06em;
}

/* logo dot before site name */
.md-header__button.md-logo {
  position: relative;
  margin-right: 0.25rem;
}
.md-header__button.md-logo::after {
  content: "";
  position: absolute;
  right: -2px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rs-accent);
  box-shadow: 0 0 0 3px var(--rs-accent-soft);
  transform: translateY(-50%);
}

/* ---------- Tabs ---------- */
.md-tabs {
  background: transparent;
  color: var(--rs-text-muted);
  border-bottom: 1px solid var(--rs-border);
}
.md-tabs__link {
  font-weight: 500;
  font-size: 0.78rem;
  opacity: 1;
  color: var(--rs-text-muted);
  padding: 0 0.1rem;
  margin: 0 0.85rem;
  position: relative;
}
.md-tabs__link:hover { color: var(--rs-text); }
.md-tabs__item--active > .md-tabs__link,
.md-tabs__link--active {
  color: var(--rs-text);
  font-weight: 600;
}
.md-tabs__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: transparent;
  border-radius: 2px 2px 0 0;
  transition: background 0.15s ease;
}
.md-tabs__item--active > .md-tabs__link::after,
.md-tabs__link--active::after {
  background: var(--rs-accent);
}

/* ---------- Sidebar Nav ---------- */
.md-sidebar { background: transparent; }
.md-nav { font-size: 0.74rem; }
.md-nav__title {
  font-family: var(--md-code-font);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rs-text-subtle);
  font-weight: 600;
  padding: 0.5rem 0.6rem;
}
.md-nav__link {
  color: var(--rs-text-muted);
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  margin: 1px 0;
  transition: background 0.12s ease, color 0.12s ease;
  position: relative;
}
.md-nav__link:hover {
  color: var(--rs-text);
  background: var(--rs-surface-2);
}
.md-nav .md-nav__link--active,
.md-nav .md-nav__item--active > .md-nav__link {
  color: var(--rs-accent-hover);
  background: var(--rs-accent-soft);
  font-weight: 600;
}
[data-md-color-scheme="slate"] .md-nav .md-nav__link--active,
[data-md-color-scheme="slate"] .md-nav .md-nav__item--active > .md-nav__link {
  color: #7dd3fc;
}
.md-nav .md-nav__link--active::before,
.md-nav .md-nav__item--active > .md-nav__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 3px;
  background: var(--rs-accent);
  border-radius: 0 3px 3px 0;
}
.md-nav__item--section > .md-nav__link {
  font-weight: 600;
  color: var(--rs-text);
}

/* ---------- Search ---------- */
.md-search__form {
  background: var(--rs-surface-2);
  border: 1px solid var(--rs-border);
  border-radius: 10px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.md-search__form:hover { border-color: var(--rs-border-strong); }
.md-search__input {
  font-family: var(--md-text-font);
  color: var(--rs-text);
}
.md-search__input::placeholder { color: var(--rs-text-subtle); }
[data-md-toggle="search"]:checked ~ .md-header .md-search__form,
.md-search__form:focus-within {
  background: var(--rs-surface);
  border-color: var(--rs-accent);
  box-shadow: 0 0 0 3px var(--rs-accent-ring);
}
.md-header .md-search__icon[for="__search"] { color: var(--rs-text); }
.md-search__icon { color: var(--rs-text); }

.md-search-result__article {
  background: var(--rs-surface);
}
.md-search-result__meta {
  background: var(--rs-bg-soft);
  color: var(--rs-text-subtle);
}

.md-header__button.rs-header-pdf {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8rem;
  height: 1.8rem;
  margin: 0.2rem 0.2rem 0.2rem 0.45rem;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--rs-accent), var(--rs-accent-hover));
  color: #ffffff;
  opacity: 1;
  box-shadow: 0 2px 6px -2px var(--rs-accent-ring);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}
.md-header__button.rs-header-pdf:hover {
  color: #ffffff;
  opacity: 1;
  transform: translateY(-1px);
  filter: saturate(1.08);
  box-shadow: 0 10px 22px -10px var(--rs-accent-ring);
}
.md-header__button.rs-header-pdf:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px -2px var(--rs-accent-ring);
}
.md-header__button.rs-header-pdf:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--rs-accent-ring), 0 10px 22px -10px var(--rs-accent-ring);
}
.md-header__button.rs-header-pdf svg {
  flex: none;
  width: 0.95rem;
  height: 0.95rem;
  fill: currentColor;
}
/* Tooltip label shown on hover/focus */
.rs-header-pdf__label {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 50%;
  transform: translate(-50%, 0.15rem);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: var(--rs-text);
  color: var(--rs-bg);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  box-shadow: var(--rs-shadow-sm);
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 5;
}
.rs-header-pdf:hover .rs-header-pdf__label,
.rs-header-pdf:focus-visible .rs-header-pdf__label {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Tables ---------- */
.md-typeset table:not([class]) {
  width: 100%;
  border: 1px solid var(--rs-border);
  border-radius: 8px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  font-size: 0.82rem;
  line-height: 1.55;
  margin: 1.2em 0;
}
.md-typeset table:not([class]) th {
  background: var(--rs-bg-soft);
  color: var(--rs-text);
  font-weight: 600;
  font-size: 0.78rem;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--rs-border);
  border-top: none;
  text-align: left;
  white-space: nowrap;
}
.md-typeset table:not([class]) td {
  padding: 0.55rem 0.85rem;
  color: var(--rs-text);
  border-top: 1px solid var(--rs-border);
  vertical-align: top;
}
.md-typeset table:not([class]) tbody tr:first-child td { border-top: none; }
.md-typeset table:not([class]) tbody tr:hover td {
  background: var(--rs-accent-soft);
}
.md-typeset table:not([class]) th:not(:last-child),
.md-typeset table:not([class]) td:not(:last-child) {
  border-right: 1px solid var(--rs-border);
}

/* ---------- Code ---------- */
.md-typeset code {
  background: var(--rs-surface-2);
  color: var(--rs-text);
  border: 1px solid var(--rs-border);
  border-radius: 6px;
  font-size: 0.84em;
  padding: 0.1em 0.4em;
}
.md-typeset pre > code {
  border: none;
  padding: 0;
  background: transparent;
}
.md-typeset pre,
.md-typeset .highlight {
  border-radius: var(--rs-radius);
}
.md-typeset .highlight {
  background: var(--rs-surface-2);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
  overflow: hidden;
}
.md-typeset .highlight pre {
  background: transparent;
  margin: 0;
  padding: 0.9rem 1rem;
  font-size: 0.78rem;
  line-height: 1.65;
}
.md-typeset .highlight .filename {
  background: var(--rs-bg-soft);
  color: var(--rs-text-muted);
  border-bottom: 1px solid var(--rs-border);
  font-family: var(--md-code-font);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.45rem 0.9rem;
}
.md-typeset .md-clipboard {
  color: var(--rs-text-subtle);
}
.md-typeset .md-clipboard:hover { color: var(--rs-accent); }

/* ---------- Blockquote ---------- */
.md-typeset blockquote {
  color: var(--rs-text-muted);
  border-left: 3px solid var(--rs-accent);
  background: var(--rs-bg-soft);
  border-radius: 0 var(--rs-radius-sm) var(--rs-radius-sm) 0;
  padding: 0.6rem 1rem;
  margin: 1.2rem 0;
}

/* ---------- Images ---------- */
.md-typeset img,
.md-typeset .md-content img {
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
  box-shadow: var(--rs-shadow);
  background: var(--rs-surface);
}
.md-typeset a img { transition: transform 0.2s ease, box-shadow 0.2s ease; }
.md-typeset a:hover img {
  transform: translateY(-1px);
  box-shadow: var(--rs-shadow-lg);
}

/* ---------- Buttons (.md-button) ---------- */
.md-typeset .md-button {
  background: transparent;
  color: var(--rs-text);
  border: 1px solid var(--rs-border-strong);
  border-radius: 10px;
  padding: 0.5rem 1.1rem;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: -0.005em;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease, color 0.15s ease;
}
.md-typeset .md-button:hover {
  background: var(--rs-surface-2);
  border-color: var(--rs-border-strong);
  transform: translateY(-1px);
  color: var(--rs-text);
}
.md-typeset .md-button--primary {
  background: var(--rs-accent);
  border-color: var(--rs-accent);
  color: #ffffff;
}
.md-typeset .md-button--primary:hover {
  background: var(--rs-accent-hover);
  border-color: var(--rs-accent-hover);
  color: #ffffff;
  box-shadow: 0 8px 24px -10px var(--rs-accent-ring);
}

/* ---------- TOC (right side) ---------- */
.md-nav--secondary .md-nav__title { display: none; }
.md-nav--secondary .md-nav__list {
  border-left: 1px solid var(--rs-border);
  padding-left: 0.5rem;
}
.md-nav--secondary .md-nav__link {
  font-size: 0.72rem;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
}
.md-nav--secondary .md-nav__link--active {
  background: transparent;
  color: var(--rs-accent-hover);
}
.md-nav--secondary .md-nav__link--active::before {
  width: 2px;
  left: -0.5rem;
}

/* ---------- Footer ---------- */
.md-footer {
  background: var(--rs-bg-soft);
  color: var(--rs-text-muted);
  position: relative;
}
.md-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--rs-accent) 50%, transparent 100%);
  opacity: 0.6;
}
.md-footer__inner {
  padding: 1rem 0.8rem;
}
.md-footer__link {
  background: var(--rs-surface);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
  margin: 0.25rem;
  padding: 1rem 1.2rem;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  opacity: 1;
}
.md-footer__link:hover {
  border-color: var(--rs-accent);
  transform: translateY(-2px);
  box-shadow: var(--rs-shadow);
  opacity: 1;
}
.md-footer__title { color: var(--rs-text); font-weight: 600; }
.md-footer__direction { color: var(--rs-text-subtle); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; }

.md-footer-meta {
  background: var(--rs-bg);
  color: var(--rs-text-subtle);
  border-top: 1px solid var(--rs-border);
}
[data-md-color-scheme="slate"] .md-footer-meta { background: #0b1326; }

.md-footer-meta__inner { padding: 0.9rem 0.8rem; }
.md-footer-copyright {
  font-family: var(--md-code-font);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rs-text-muted);
}

/* ---------- back-to-top button ---------- */
.md-top {
  background: var(--rs-surface);
  color: var(--rs-text);
  border: 1px solid var(--rs-border);
  border-radius: 999px;
  box-shadow: var(--rs-shadow);
  font-weight: 500;
}
.md-top:hover {
  background: var(--rs-accent);
  color: #ffffff;
  border-color: var(--rs-accent);
}

/* ---------- focus rings (accessibility) ---------- */
.md-typeset a:focus-visible,
.md-tabs__link:focus-visible,
.md-nav__link:focus-visible,
.md-button:focus-visible,
.md-search__input:focus-visible {
  outline: 2px solid var(--rs-accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---------- content tabs (pymdownx.tabbed) ---------- */
.md-typeset .tabbed-labels {
  border-bottom: 1px solid var(--rs-border);
  gap: 0.25rem;
}
.md-typeset .tabbed-labels > label {
  font-weight: 600;
  font-size: 0.76rem;
  color: var(--rs-text-muted);
  padding: 0.45rem 0.9rem;
  border-radius: 8px 8px 0 0;
  transition: background 0.15s ease, color 0.15s ease;
}
.md-typeset .tabbed-labels > label:hover { color: var(--rs-text); background: var(--rs-surface-2); }
.md-typeset .tabbed-set > input:checked + label {
  color: var(--rs-accent-hover);
  border-bottom: 2px solid var(--rs-accent);
}
[data-md-color-scheme="slate"] .md-typeset .tabbed-set > input:checked + label { color: #7dd3fc; }

/* ---------- print stays on pdf.css; protect web rules ---------- */
@media print {
  .md-header, .md-tabs, .md-footer, .md-footer-meta, .md-top { display: none !important; }

  /* 랜딩(홈) 페이지 전체 제거 — PDF는 시작하기부터 */
  section#index.print-page { display: none !important; }
  /* 섹션 래퍼(시작하기, 운영 현황 등)가 빈 페이지를 만들지 않도록 */
  #print-site-page section.print-page.md-section {
    break-before: avoid !important;
    page-break-before: avoid !important;
  }
  /* 섹션 래퍼 안 첫 번째 콘텐츠 페이지도 빈 페이지 방지 */
  #print-site-page section.print-page.md-section > section.print-page:first-of-type {
    break-before: avoid !important;
    page-break-before: avoid !important;
  }
}