:root{
  --bg:#f4f6fa; --card:#fff; --ink:#1f2733; --muted:#6b7684; --line:#e3e8ef;
  --brand:#2456d6; --brand-d:#1b449f; --danger:#d64545; --ok:#1a9d5a;
  --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
body{margin:0;font-family:"Pretendard","Malgun Gothic",system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* ── 상단바 (블루) ── */
.topbar{display:flex;align-items:center;gap:20px;background:var(--brand);border-bottom:1px solid var(--brand-d);
  padding:0 20px;height:56px;position:sticky;top:0;z-index:20;box-shadow:0 2px 6px rgba(16,24,40,.15)}
.brand a{font-weight:800;font-size:16px;color:#fff;white-space:nowrap}
.brand a:hover{text-decoration:none;opacity:.9}
.topbar-menu{display:flex;align-items:center;gap:20px;flex:1}
.topnav{display:flex;gap:6px;margin-left:8px}
.topnav a{padding:8px 12px;border-radius:8px;color:#e6edff;font-weight:600;white-space:nowrap}
.topnav a:hover{background:rgba(255,255,255,.18);color:#fff;text-decoration:none}
.userbox{margin-left:auto;display:flex;align-items:center;gap:12px}

/* 햄버거 버튼 (모바일 전용) */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:38px;
  margin-left:auto;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.55);border-radius:9px;cursor:pointer;padding:0}
.nav-toggle-bar{display:block;width:20px;height:2px;background:#fff;margin:0 auto;transition:.25s}
.topbar.open .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.topbar.open .nav-toggle-bar:nth-child(2){opacity:0}
.topbar.open .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.uname{color:#eaf0ff;font-weight:600}
.badge{font-style:normal;background:#fff;color:var(--brand);border:1px solid #fff;
  padding:1px 7px;border-radius:999px;font-size:11px;font-weight:700;margin-left:4px}
.btn-logout{padding:6px 12px;border:1px solid rgba(255,255,255,.55);border-radius:8px;color:#fff}
.btn-logout:hover{background:rgba(255,255,255,.18);text-decoration:none}

.container{max-width:1400px;margin:22px auto;padding:0 20px}
.foot{text-align:center;color:var(--muted);padding:28px;font-size:12px}

/* ── 게스트/로그인 ── */
body.guest{display:flex;min-height:100vh;align-items:center;justify-content:center}
.center{width:100%;max-width:380px;padding:20px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 30px;box-shadow:var(--shadow)}
.login-title{margin:0 0 4px;font-size:22px;text-align:center}
.login-sub{margin:0 0 22px;text-align:center;color:var(--muted)}
.login-card label{display:block;margin-bottom:14px;font-weight:600;color:#37414f}
.login-card input{width:100%;margin-top:6px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:15px}
.btn-block{width:100%;margin-top:6px;padding:12px}

/* ── 버튼 ── */
.btn{display:inline-block;padding:8px 14px;border:1px solid var(--line);background:#fff;color:var(--ink);
  border-radius:9px;font-weight:600;cursor:pointer;font-size:13px;line-height:1.4}
.btn:hover{background:#f6f8fc;text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d)}
.btn-danger{background:#fff;border-color:#f0c4c4;color:var(--danger)}
.btn-danger:hover{background:#fdecec}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn-ghost:hover{background:#eef2f7}
.btn-sm{padding:4px 9px;font-size:12px;border-radius:7px}

/* ── 헤더/툴바 ── */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.page-head h1{font-size:20px;margin:0}
.count{color:var(--brand);font-size:14px;margin-left:6px}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.searchbar{display:flex;gap:6px;flex:1;min-width:260px}
.searchbar input{flex:1;padding:9px 12px;border:1px solid var(--line);border-radius:9px}

/* ── flash ── */
.flash{padding:11px 14px;border-radius:10px;margin-bottom:14px;font-weight:600}
.flash-success{background:#e7f7ee;color:#166b3d;border:1px solid #bfe6cf}
.flash-error{background:#fdecec;color:#a02b2b;border:1px solid #f2c7c7}

/* ── 컬럼 표시 패널 ── */
.col-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:14px;box-shadow:var(--shadow)}
.col-panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.col-panel-groups{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.col-group-title{font-weight:700;color:var(--brand);font-size:12px;margin-bottom:6px;border-bottom:1px dashed var(--line);padding-bottom:4px}
.col-check{display:flex;align-items:center;gap:6px;padding:3px 0;color:#3a434f;cursor:pointer}
.col-check input{margin:0}

/* ── 표 ── */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:auto;box-shadow:var(--shadow);max-height:72vh}
.grid-table{border-collapse:collapse;width:100%;white-space:nowrap;font-size:13px}
.grid-table th,.grid-table td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);
  padding:8px 10px;text-align:left;max-width:260px;overflow:hidden;text-overflow:ellipsis}
.grid-table thead th{position:sticky;top:0;background:#f0f3f9;color:#37414f;font-weight:700;z-index:2}
.grid-table tbody tr:hover{background:#f8fafd}
.col-fixed{position:sticky;left:0;background:#fff;z-index:3;box-shadow:1px 0 0 var(--line);
  max-width:220px;font-weight:600}
.grid-table thead .col-fixed{background:#f0f3f9;z-index:4}
.grid-table tbody tr:hover .col-fixed{background:#f8fafd}
.name-link{color:var(--brand);font-weight:700;text-decoration:none;display:inline-block;
  max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}
.name-link:hover{text-decoration:underline}
.empty{text-align:center;color:var(--muted);padding:40px!important;white-space:normal}
.row-actions{display:flex;gap:6px}
.ok{color:var(--ok);font-weight:600}.off{color:var(--muted)}

/* ── 페이저 ── */
.pager{display:flex;gap:6px;justify-content:center;align-items:center;flex-wrap:wrap;margin:18px 0}
.pager a{padding:6px 11px;border:1px solid var(--line);border-radius:8px;color:var(--muted);background:#fff}
.pager a:hover{background:#f6f8fc;text-decoration:none}
.pager a.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.pager a.nav-arrow{font-weight:600;color:var(--ink)}
.pager a.disabled{opacity:.4;pointer-events:none}
.pager .gap{padding:6px 4px;color:var(--muted)}
.pager-info{margin-left:10px;color:var(--muted);font-size:12.5px}

/* ── 폼 ── */
.client-form .group,.narrow-form{background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;margin-bottom:16px;box-shadow:var(--shadow)}
.client-form legend{font-weight:800;color:var(--brand);padding:0 6px;font-size:14px}
.client-form .group{border:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px 16px}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-weight:600;color:#37414f;font-size:12.5px}
.field input,.field select,.field textarea{padding:8px 10px;border:1px solid var(--line);border-radius:8px;
  font-size:13px;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(36,86,214,.12)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);background:#fffafa}
.err-msg{color:var(--danger);font-size:11.5px;font-weight:600}
.field.js-invalid input{border-color:var(--danger);background:#fffafa}
.narrow-form{max-width:460px}
.narrow-form .field{margin-bottom:14px}
.chk{flex-direction:row!important;align-items:center;gap:8px}
.form-actions{display:flex;gap:10px;align-items:center;margin-top:8px}

/* ───────────── 모바일 반응형 ───────────── */
@media (max-width: 760px){
  .topbar{gap:10px;padding:0 14px}
  .nav-toggle{display:flex}
  /* 접히는 메뉴: 헤더 아래 드롭다운 */
  .topbar-menu{display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--brand);border-bottom:1px solid var(--brand-d);box-shadow:0 6px 12px rgba(16,24,40,.2);padding:8px}
  .topbar.open .topbar-menu{display:flex}
  .topnav{flex-direction:column;gap:2px;margin:0}
  .topnav a{padding:12px 14px;border-radius:8px;font-size:15px}
  .userbox{margin:6px 0 0;padding-top:10px;border-top:1px solid rgba(255,255,255,.25);
    justify-content:space-between}
  .btn-logout{padding:9px 14px}

  /* 본문 여백 축소 */
  .container{margin:14px auto;padding:0 12px}
  .page-head{flex-wrap:wrap;gap:8px}
  .page-head h1{font-size:18px}
  .toolbar{gap:8px}
  .searchbar{min-width:100%}
  .ie-actions{margin-left:0;width:100%}
  .dropdown-menu{right:auto;left:0}
  /* 폼: 1열로 */
  .grid{grid-template-columns:1fr}
  .col-panel-groups{grid-template-columns:1fr 1fr}
  .meta-bar{gap:10px}
}
@media (max-width: 420px){
  .brand a{font-size:15px}
  .col-panel-groups{grid-template-columns:1fr}
}

/* 전체폭 필드 & 큰 입력칸 */
.field.full{grid-column:1/-1}
.field textarea{resize:vertical;min-height:44px;line-height:1.6}
.field.full textarea{min-height:120px}

/* 등록/수정 일시 메타바 */
.meta-bar{display:flex;gap:18px;flex-wrap:wrap;background:#eef2fb;border:1px solid #d7e0f5;
  border-radius:10px;padding:9px 14px;margin-bottom:14px;color:#37414f;font-size:12.5px}
.meta-bar strong{color:var(--brand)}

/* 목록 수정일시 컬럼 */
.grid-table .col-updated{color:var(--muted);font-size:12px;white-space:nowrap}
.grid-table thead .col-updated{color:#37414f}

/* ── 가져오기/내보내기 ── */
.ie-actions{display:flex;gap:8px;align-items:center;margin-left:auto}
.dropdown{position:relative}
.dropdown-menu{position:absolute;right:0;top:calc(100% + 4px);background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:var(--shadow);min-width:150px;padding:6px;z-index:15}
.dropdown-menu a{display:block;padding:8px 12px;border-radius:7px;color:var(--ink)}
.dropdown-menu a:hover{background:#eef2fb;text-decoration:none}
.hint{color:var(--muted);font-size:12.5px;line-height:1.7;margin:6px 0}
.hint code{background:#eef1f6;padding:1px 5px;border-radius:5px;font-size:12px}
.dl-row{display:flex;gap:8px;margin:14px 0 4px}
.summary{list-style:none;padding:0;margin:6px 0}
.summary li{padding:5px 0;border-bottom:1px dashed var(--line)}
.err-table{margin-top:14px}
.field input[type=file]{padding:8px;background:#fafbfc}