/* =========================================================================
   C&Y Engineering 인트라넷 — 스타일시트
   디자인 컨셉: "blueprint / 제도(製圖) 용지" — 엔지니어링 회사다운 정밀함
   - 베이스: 차가운 오프화이트 + 딥 슬레이트 네이비(설계 도면)
   - 강조색: 제도 연필 앰버(amber)
   - 시그니처: 헤더 뒤 옅은 그리드(제도 용지 격자)
   색/폰트는 아래 :root 토큰만 바꾸면 전체에 반영됩니다.
   ========================================================================= */

:root {
  --bg: #f3f5f7;          /* 페이지 배경(차가운 오프화이트) */
  --surface: #ffffff;     /* 카드/패널 표면 */
  --ink: #15212e;         /* 본문 텍스트(딥 슬레이트) */
  --navy: #1b3a5b;        /* 헤더/구조선(블루프린트 네이비) */
  --muted: #5d6b7a;       /* 보조 텍스트 */
  --line: #dbe1e8;        /* 얇은 경계선 */
  --accent: #cf7a2c;      /* 강조(제도 연필 앰버) */
  --accent-soft: #f6ead9; /* 강조 배경 */
  --ok: #2e8b57;          /* 정상 */
  --warn: #d99a16;        /* 주의 */
  --down: #c0392b;        /* 장애 */

  --radius: 10px;
  --shadow: 0 1px 2px rgba(21, 33, 46, .05), 0 8px 24px rgba(21, 33, 46, .04);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 헤더 ---------- */
.topbar {
  position: relative;
  background: var(--navy);
  color: #eaf0f6;
  border-bottom: 3px solid var(--accent);
  overflow: hidden;
}
/* 시그니처: 옅은 제도 용지 격자 */
.topbar::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.topbar__inner {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .04em;
  color: var(--navy);
  background: #eaf0f6;
  border-radius: 8px;
  padding: 8px 10px;
  line-height: 1;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__text strong { font-family: var(--font-display); font-size: 17px; font-weight: 600; }
.brand__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #9db4c9;
}
.topbar__meta { display: flex; align-items: center; gap: 14px; }
.topbar__date { font-family: var(--font-mono); font-size: 12.5px; color: #cdd9e6; }
.user-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  padding: 5px 11px;
  white-space: nowrap;
}

/* ---------- 레이아웃(대시보드 그리드) ---------- */
.layout {
  max-width: 1180px;
  margin: 26px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 18px;
}
.panel--wide { grid-row: span 2; }

/* ---------- 패널(카드) 공통 ---------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px 20px;
}
.panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.panel__title { font-family: var(--font-display); font-size: 16px; font-weight: 600; margin: 0; }
.panel__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 공지사항 ---------- */
.feed { list-style: none; margin: 0; padding: 0; }
.feed__item { padding: 12px 0; border-bottom: 1px dashed var(--line); }
.feed__item:last-child { border-bottom: 0; padding-bottom: 0; }
.feed__top { display: flex; align-items: center; gap: 8px; margin-bottom: 3px; }
.feed__date { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); }
.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: #8a4d12;
  border: 1px solid #ead7bd;
}
.tag--info { background: #e8f0f8; color: #1b4f7a; border-color: #cfe0ef; }
.feed__title { font-weight: 600; margin: 0 0 2px; }
.feed__body { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- 바로가기 ---------- */
.links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.link-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  color: var(--ink);
  background: #fcfdfe;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.link-card:hover { border-color: var(--accent); transform: translateY(-1px); box-shadow: var(--shadow); }
.link-card__name { font-weight: 600; font-size: 14px; }
.link-card__desc { font-size: 12px; color: var(--muted); }

/* ---------- 구성원 ---------- */
.directory { list-style: none; margin: 0; padding: 0; }
.dir-row {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}
.dir-row:last-child { border-bottom: 0; }
.avatar {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  border-radius: 8px;
  background: var(--navy);
  color: #eaf0f6;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 12.5px; font-weight: 600;
}
.dir-info { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.dir-name { font-weight: 600; font-size: 14px; }
.dir-meta { font-size: 12px; color: var(--muted); }
.dir-ext { margin-left: auto; font-family: var(--font-mono); font-size: 12px; color: var(--navy); white-space: nowrap; }

/* ---------- 시스템 현황 ---------- */
.systems { list-style: none; margin: 0; padding: 0; }
.sys-row {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 0; border-bottom: 1px solid var(--line);
}
.sys-row:last-child { border-bottom: 0; }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
.dot--ok { background: var(--ok); box-shadow: 0 0 0 3px rgba(46, 139, 87, .15); }
.dot--warn { background: var(--warn); box-shadow: 0 0 0 3px rgba(217, 154, 22, .15); }
.dot--down { background: var(--down); box-shadow: 0 0 0 3px rgba(192, 57, 43, .15); }
.sys-name { font-weight: 500; font-size: 14px; }
.sys-status { margin-left: auto; font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); }

/* ---------- 푸터 ---------- */
.footer {
  max-width: 1180px;
  margin: 8px auto 36px;
  padding: 0 24px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
}

/* ---------- 빈/오류 상태 (디자인 가이드: 빈 화면도 안내가 되어야 함) ---------- */
.state {
  padding: 18px;
  text-align: center;
  color: var(--muted);
  font-size: 13.5px;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

/* ---------- 반응형 ---------- */
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; margin-top: 18px; }
  .panel--wide { grid-row: auto; }
}
@media (max-width: 460px) {
  .links { grid-template-columns: 1fr; }
  .topbar__inner { padding: 14px 16px; }
  .layout, .footer { padding: 0 16px; }
}

/* ---------- 접근성: 포커스 표시 & 모션 최소화 ---------- */
a:focus-visible, .link-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}