/* ============================================================
   연구행정 관련 규정 정보 시스템 - 스타일시트
   카이스트유니온 / 공공과학기술연구노동조합
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:    #1a3a6b;
  --primary-lt: #2557a7;
  --accent:     #e8390e;
  --bg:         #f5f6f8;
  --bg-white:   #ffffff;
  --border:     #dde1e9;
  --text:       #1a1f2e;
  --text-sub:   #5a6278;
  --text-muted: #8e97b0;
  --radius:     8px;
  --shadow:     0 2px 12px rgba(26,58,107,.08);
  --shadow-md:  0 4px 24px rgba(26,58,107,.13);
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── 헤더 ─────────────────────────────────────── */
.site-header {
  background: var(--primary);
  color: #fff;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.header-title {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-icon { font-size: 28px; }
.header-title h1 {
  font-family: 'Noto Serif KR', serif;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}
.header-title h1 a { color: #fff; }
.header-org {
  font-size: 12px;
  color: rgba(255,255,255,.7);
  margin-top: 2px;
}
.header-org a { color: rgba(255,255,255,.85); }
.header-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 12px;
  color: rgba(255,255,255,.75);
  gap: 2px;
}
.header-meta strong { color: #fff; }

/* ── 검색 영역 ───────────────────────────────── */
.search-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-lt) 100%);
  padding: 40px 24px;
}
.search-wrap { max-width: 680px; margin: 0 auto; }
.search-box {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 48px;
  padding: 6px 6px 6px 20px;
  box-shadow: 0 4px 24px rgba(0,0,0,.2);
  gap: 10px;
}
.search-icon { font-size: 18px; color: var(--text-muted); flex-shrink: 0; }
.search-box input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: transparent;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box button {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 36px;
  padding: 10px 24px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s;
}
.search-box button:hover { background: var(--primary-lt); }
.search-hint {
  text-align: center;
  color: rgba(255,255,255,.6);
  font-size: 12px;
  margin-top: 10px;
}

/* ── 검색 결과 패널 ──────────────────────────── */
.search-results-panel {
  background: #fff;
  border-bottom: 2px solid var(--border);
  padding: 24px 0;
}
.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--text-sub);
}

/* ── 메인 콘텐츠 ─────────────────────────────── */
.main-content { padding: 40px 0 60px; }
.section-title { margin-bottom: 28px; }
.section-title h2 {
  font-family: 'Noto Serif KR', serif;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 4px;
}
.section-title p { color: var(--text-sub); font-size: 13px; }

/* ── 카테고리 카드 ───────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}
.cat-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  border-top: 4px solid var(--cat-color);
  padding: 20px;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}
.cat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--cat-color);
}
.cat-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}
.cat-icon { font-size: 28px; }
.cat-count {
  background: color-mix(in srgb, var(--cat-color) 12%, transparent);
  color: var(--cat-color);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
}
.cat-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}
.cat-arrow {
  font-size: 12px;
  color: var(--cat-color);
  font-weight: 500;
}

/* ── 문서 카드 패널 ──────────────────────────── */
.cat-doc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}
.cat-doc-header h3 {
  font-size: 16px;
  color: var(--primary);
}

/* 문서 그리드 */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}
.doc-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--cat-color, #1565c0);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: box-shadow .15s, border-color .15s;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.doc-card:hover { box-shadow: var(--shadow); border-color: var(--cat-color, #1565c0); }
.doc-card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
}
.doc-card-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
}
.doc-card-cat {
  font-size: 11px;
  color: var(--text-sub);
}
.doc-card-preview {
  font-size: 12px;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.version-pill {
  background: #eef2ff;
  color: #3d4fc8;
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

/* ── 페이저 ──────────────────────────────────── */
.pager {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.pager button {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 6px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
}
.pager button:hover, .pager button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ── 닫기 버튼 ───────────────────────────────── */
.btn-close {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 12px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-sub);
  transition: all .15s;
}
.btn-close:hover { background: #fee; border-color: #fcc; color: var(--accent); }

/* ── 문서 열람 페이지 ────────────────────────── */
.view-page .site-header h1 { font-size: 16px; }

.view-container {
  max-width: 1200px;
  margin: 32px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: start;
}

/* 사이드바 */
.view-sidebar {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 16px;
  position: sticky;
  top: 80px;
}
.sidebar-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.sidebar-cats { list-style: none; }
.sidebar-cats li { margin-bottom: 2px; }
.sidebar-cats a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  transition: background .15s;
}
.sidebar-cats a:hover {
  background: color-mix(in srgb, var(--cat-color) 10%, transparent);
  color: var(--cat-color);
  text-decoration: none;
}
.sidebar-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
}

/* 문서 뷰어 */
.view-main {
  min-width: 0;
}
.doc-header {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-top: 4px solid var(--cat-color, #1565c0);
  padding: 24px;
  margin-bottom: 20px;
}
.doc-breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.doc-breadcrumb a { color: var(--text-muted); }
.doc-breadcrumb a:hover { color: var(--primary); }
.doc-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 20px;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 12px;
}
.doc-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.doc-version {
  background: #e8eeff;
  color: var(--primary-lt);
  padding: 2px 9px;
  border-radius: 10px;
  font-weight: 600;
}
.doc-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-download {
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: opacity .15s;
}
.btn-download:hover { opacity: .85; text-decoration: none; }
.btn-download.disabled {
  background: var(--border);
  color: var(--text-muted);
  cursor: default;
}
.btn-back {
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-sub);
  transition: all .15s;
}
.btn-back:hover { background: var(--bg); text-decoration: none; }

/* 문서 본문 */
.doc-body {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 32px;
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text);
}
.doc-body p { margin-bottom: 10px; }
.doc-body .doc-tag {
  background: #f0f4ff;
  color: var(--primary-lt);
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

/* 개정이력 */
.doc-versions {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
}
.doc-versions h3 { font-size: 15px; margin-bottom: 16px; color: var(--primary); }
.version-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.version-table th {
  background: var(--bg);
  padding: 8px 12px;
  text-align: left;
  color: var(--text-sub);
  font-weight: 500;
  border-bottom: 2px solid var(--border);
}
.version-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.version-badge {
  background: #e8eeff;
  color: var(--primary-lt);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
}

/* ── 푸터 ─────────────────────────────────────── */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,.6);
  text-align: center;
  padding: 24px;
  font-size: 12px;
  line-height: 2;
}
.site-footer a { color: rgba(255,255,255,.8); }
.site-footer p { margin-bottom: 2px; }
.footer-date { color: rgba(255,255,255,.4); }

/* ── 반응형 ──────────────────────────────────── */
@media (max-width: 768px) {
  .header-meta { display: none; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .doc-grid { grid-template-columns: 1fr; }
  .view-container {
    grid-template-columns: 1fr;
    margin: 16px auto;
  }
  .view-sidebar { display: none; }
  .doc-body { padding: 20px; }
}
@media (max-width: 480px) {
  .cat-grid { grid-template-columns: 1fr; }
  .search-box button { padding: 10px 14px; }
}