/* =========================================================
   회사 링크 대시보드 - 공통 스타일 (옅은 파랑 테마)
   ========================================================= */

:root {
  /* 로고(KOREA SMA) 원본 파랑을 기준으로 산출한 팔레트입니다.
     --blue-500 이 로고 원색이며, 대시보드 배경 등은 이보다 더 옅은 톤(50~100)을 사용합니다. */
  --blue-50:  #F2F9FD;
  --blue-100: #E9F6FC;
  --blue-200: #D2EDF9;
  --blue-300: #A6DAF2;
  --blue-400: #82CCED;
  --blue-500: #4DB6E6;  /* 로고 원색 */
  --blue-600: #2E9FD6;
  --blue-700: #1C7FB0;
  --blue-900: #0D4159;

  --ink-900: #16232f;
  --ink-700: #33475a;
  --ink-500: #64798c;
  --ink-300: #a9b8c4;

  --white: #ffffff;
  --danger: #e0574c;
  --danger-bg: #fdecea;
  --success: #2fa86b;
  --success-bg: #e7f8ef;
  --warn: #d99a2b;

  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-soft: 0 10px 30px rgba(28, 127, 176, 0.12);
  --shadow-card: 0 4px 14px rgba(28, 127, 176, 0.09);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: "Noto Sans KR", "Malgun Gothic", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, var(--blue-50) 0%, #ffffff 340px);
  color: var(--ink-900);
  min-height: 100vh;
}

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

/* ---------- 관리자가 지정한 배경화면(이미지/동영상) ---------- */
.site-bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: #eef6fb;
}
.site-bg-layer img,
.site-bg-layer video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.site-bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.74);
}

/* ---------- 워터마크 오버레이 ---------- */
.wm-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background-repeat: repeat;
  opacity: 1;
}

/* ---------- 로그인 화면 ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 20% 20%, var(--blue-100), var(--blue-50) 55%, #ffffff);
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 40px 34px 34px;
  border: 1px solid var(--blue-100);
}

.login-logo {
  width: 220px;
  margin: 0 auto 10px;
  display: block;
}
.login-logo img {
  width: 100%;
  height: auto;
  display: block;
}

.login-title {
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 4px;
}

.login-sub {
  text-align: center;
  font-size: 13px;
  color: var(--ink-500);
  margin-bottom: 26px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--blue-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--blue-50);
  color: var(--ink-900);
  outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue-500);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(77, 182, 230, 0.20);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .05s ease, filter .15s;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: #fff;
  box-shadow: 0 8px 18px rgba(46, 159, 214, 0.32);
}
.btn-primary:hover { filter: brightness(1.05); }

.btn-block { width: 100%; }

.btn-outline {
  background: #fff;
  color: var(--blue-700);
  border: 1px solid var(--blue-300);
}
.btn-outline:hover { background: var(--blue-50); }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #f6c9c4;
}
.btn-danger:hover { filter: brightness(0.97); }

.btn-sm { padding: 6px 12px; font-size: 12.5px; }

.alert {
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
}
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #f6c9c4; }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #bfe9d3; }

/* ---------- 상단 네비게이션 (사용자 대시보드) ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--blue-100);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink-900);
}
.brand .dot {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
}
.brand .dot img { width: 100%; height: 100%; object-fit: contain; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-700);
}
.user-chip .badge-role {
  background: var(--blue-100);
  color: var(--blue-700);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
}

.page-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

.page-head {
  margin-bottom: 22px;
}
.page-head h1 {
  font-size: 22px;
  margin: 0 0 4px;
  color: var(--ink-900);
}
.page-head p {
  margin: 0;
  color: var(--ink-500);
  font-size: 13.5px;
}

.category-block { margin-bottom: 30px; }
.category-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-700);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.category-title::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue-500);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.link-card {
  background: #fff;
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}
.link-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(25,128,179,0.16);
  border-color: var(--blue-300);
}

/* 링크 썸네일/파비콘 미리보기 영역 */
.link-thumb {
  position: relative;
  width: 100%;
  height: 108px;
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.link-thumb-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 26px;
  color: var(--blue-600);
  background: linear-gradient(135deg, var(--blue-100), var(--blue-200));
}
.link-thumb img,
.link-thumb video {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
}
/* 관리자가 직접 지정한 대표 이미지/동영상 - 카드 전체를 채우는 미리보기 */
.link-thumb-image img,
.link-thumb-image video { object-fit: cover; }
/* 파비콘 기반 자동 썸네일 - 축소된 아이콘을 카드 중앙에 살짝 보여줌 */
.link-thumb-icon img,
.link-thumb-icon video {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 10px;
  background: #fff;
  padding: 8px;
  box-shadow: 0 4px 10px rgba(25,128,179,0.16);
}

.link-body { padding: 14px 16px 16px; }
.link-title { font-weight: 700; font-size: 14.5px; color: var(--ink-900); margin-bottom: 3px; }
.link-desc { font-size: 12.5px; color: var(--ink-500); line-height: 1.5; }
.link-url { font-size: 11.5px; color: var(--blue-600); margin-top: 6px; word-break: break-all; }

/* 점검중으로 표시된 링크 카드 - 클릭해도 접속되지 않고 안내 문구만 표시됨 */
.link-card-disabled { cursor: pointer; }
.link-card-disabled .link-thumb { filter: grayscale(45%); opacity: 0.85; }
.link-card-disabled:hover { border-color: var(--blue-100); transform: none; box-shadow: var(--shadow-card); }
.link-maintenance-badge {
  position: absolute;
  top: 8px; left: 8px;
  z-index: 2;
  background: rgba(217, 154, 43, 0.92);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  letter-spacing: .2px;
}

/* 점검중 안내 모달 */
.maintenance-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(13, 65, 89, 0.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.maintenance-modal {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  max-width: 360px;
  width: 100%;
  padding: 26px 24px 22px;
  text-align: center;
}
.maintenance-modal .icon {
  width: 46px; height: 46px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: #fdf3e3;
  color: var(--warn);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  font-weight: 800;
}
.maintenance-modal p { font-size: 14px; color: var(--ink-700); line-height: 1.6; margin: 0 0 18px; }
.maintenance-modal button {
  border: none;
  background: var(--blue-600);
  color: #fff;
  font-weight: 700;
  font-size: 13.5px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.maintenance-modal button:hover { background: var(--blue-700); }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-500);
}

/* ---------- 관리자 레이아웃 ---------- */
.admin-shell { display: flex; min-height: 100vh; }

.admin-sidebar {
  width: 232px;
  flex: none;
  background: linear-gradient(180deg, var(--blue-700), var(--blue-900));
  color: #eaf3fb;
  padding: 22px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.admin-sidebar .brand { color: #fff; padding: 0 6px 22px; }

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  color: rgba(255,255,255,0.78);
  margin-bottom: 4px;
}
.admin-nav a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.admin-nav a.active { background: rgba(255,255,255,0.16); color: #fff; }

.admin-nav .section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: rgba(255,255,255,0.45);
  margin: 18px 10px 8px;
}

.admin-main { flex: 1; min-width: 0; }

.admin-topbar {
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--blue-100);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 15;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
}
.stat-card .num { font-size: 26px; font-weight: 800; color: var(--blue-700); }
.stat-card .label { font-size: 12.5px; color: var(--ink-500); margin-top: 4px; }

.panel {
  background: #fff;
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: 26px;
}
.panel-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--blue-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.panel-head h2 { font-size: 15px; margin: 0; color: var(--ink-900); }
.panel-body { padding: 18px 20px; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-500);
  padding: 10px 14px;
  background: var(--blue-50);
  border-bottom: 1px solid var(--blue-100);
  white-space: nowrap;
}
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #eef4f9;
  color: var(--ink-700);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--blue-50); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
}
.badge-online { background: var(--success-bg); color: var(--success); }
.badge-online::before { content:""; width:6px; height:6px; border-radius:50%; background: var(--success); }
.badge-offline { background: #eef1f4; color: var(--ink-500); }
.badge-offline::before { content:""; width:6px; height:6px; border-radius:50%; background: var(--ink-300); }
.badge-admin { background: var(--blue-100); color: var(--blue-700); }
.badge-user { background: #f1f0fb; color: #6a5fc1; }
.badge-inactive { background: var(--danger-bg); color: var(--danger); }
.badge-warning { background: #fdf3e3; color: var(--warn); }
.badge-warning::before { content:""; width:6px; height:6px; border-radius:50%; background: var(--warn); }

/* 링크 목록의 "점검중" 체크박스 토글 */
.maintenance-toggle { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; font-size: 12.5px; color: var(--ink-700); }
.maintenance-toggle input[type="checkbox"] { width: auto; margin: 0; cursor: pointer; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.action-row { display: flex; gap: 8px; flex-wrap: wrap; }

.mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; }

.helper-text { font-size: 12px; color: var(--ink-500); margin-top: 4px; }

.footer-note {
  text-align: center;
  font-size: 12px;
  color: var(--ink-300);
  padding: 24px 0 10px;
}

/* ---------- 사용자 화면 내 관리자 모드 접속 아이콘 (관리자 권한 계정에만 노출) ---------- */
.admin-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(28, 127, 176, 0.38);
  transition: transform .15s ease, box-shadow .15s ease;
}
.admin-fab:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 14px 30px rgba(28, 127, 176, 0.46);
}
.admin-fab svg { width: 24px; height: 24px; }
.admin-fab .fab-tooltip {
  position: absolute;
  right: 64px;
  bottom: 14px;
  background: var(--ink-900);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(6px);
  transition: opacity .15s ease, transform .15s ease;
}
.admin-fab:hover .fab-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 900px) {
  .admin-sidebar { position: fixed; left: -260px; transition: left .2s; z-index: 40; }
  .admin-sidebar.open { left: 0; }
  .page-wrap { padding: 22px 14px 50px; }
}