/* =========================================================================
   WEBZENK RS — base stylesheet (스타일가이드 토큰 구현)
   * BIZ style.css 실물 수령 시 이 파일을 스냅샷으로 교체/정합 예정
   ========================================================================= */

:root, [data-theme="dark"] {
  --bg:#0a0c10; --bg2:#0f1117; --bg3:#151820;
  --border:#232840; --border2:#2d3455;
  --accent:#4f8ef7; --accent2:#7c5cfc; --accent3:#00d4aa; --accent4:#f7a94f; --accent5:#f75f5f;
  --text:#e8ecf5; --text2:#8b93b0; --text3:#525a78;
  --grid-line:rgba(79,142,247,0.03);
  --chart-grid:rgba(35,40,64,0.8);
  --shadow:0 4px 20px rgba(0,0,0,0.35);
}
[data-theme="light"] {
  --bg:#f0f2f8; --bg2:#ffffff; --bg3:#e8ebf3;
  --border:#d5dae8; --border2:#c2c9de;
  --accent:#3b7de8; --accent2:#6d4fe0; --accent3:#00a882; --accent4:#e8920a; --accent5:#e03e3e;
  --text:#1a1d2e; --text2:#4a5068; --text3:#8892ab;
  --grid-line:rgba(59,125,232,0.04);
  --chart-grid:rgba(200,207,224,0.8);
  --shadow:0 4px 20px rgba(24,32,64,0.08);
}

* { box-sizing:border-box; margin:0; padding:0; }
html, body { height:100%; }
body {
  font-family:'Pretendard','Pretendard Variable',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  background:var(--bg); color:var(--text);
  font-size:14px; line-height:1.5; -webkit-font-smoothing:antialiased;
}
a { color:inherit; text-decoration:none; }
input, button, select, textarea { font-family:inherit; }

/* ---- 레이아웃 ---- */
.app { display:flex; min-height:100vh; }

.sidebar {
  width:220px; flex:0 0 220px; position:sticky; top:0; align-self:flex-start;
  height:100vh; overflow-y:auto;
  background:var(--bg2); border-right:1px solid var(--border);
  display:flex; flex-direction:column; padding:18px 0;
}
.brand { font-size:17px; font-weight:800; padding:0 20px 4px; letter-spacing:-.3px; }
.brand span { color:var(--accent); }

.user-box { margin:14px 14px 8px; padding:12px 14px; background:var(--bg3); border:1px solid var(--border); border-radius:10px; }
.user-name { font-weight:700; font-size:14px; }
.user-role { font-size:11px; color:var(--text2); text-transform:uppercase; margin-top:2px; letter-spacing:.4px; }
.user-box .logout { display:inline-block; margin-top:8px; font-size:12px; color:var(--accent); }

.nav { flex:1; padding:6px 10px; }
.nav-group { font-size:11px; font-weight:700; color:var(--text3); text-transform:uppercase; letter-spacing:.5px; padding:14px 10px 6px; }
.nav-item { display:block; padding:8px 12px; border-radius:8px; color:var(--text2); font-size:13.5px; margin-bottom:1px; transition:background .12s,color .12s; }
.nav-item:hover { background:var(--bg3); color:var(--text); }
.nav-item.active { background:linear-gradient(135deg,var(--accent),var(--accent2)); color:#fff; font-weight:600; }

.theme-row { padding:10px 14px 2px; }
.theme-btn { width:100%; background:var(--bg3); border:1px solid var(--border); color:var(--text2); border-radius:8px; padding:8px; font-size:12px; cursor:pointer; }
.theme-btn:hover { color:var(--text); }

.content {
  flex:1; min-width:0; padding:28px 32px;
  background-color:var(--bg);
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:40px 40px;
  position:relative;
}
.sidebar-toggle { display:none; position:fixed; top:14px; left:14px; z-index:40; background:var(--bg2); border:1px solid var(--border); color:var(--text); border-radius:8px; width:38px; height:38px; font-size:18px; cursor:pointer; }

/* ---- 페이지 헤더 ---- */
.page-head { display:flex; align-items:baseline; justify-content:space-between; margin-bottom:20px; gap:12px; flex-wrap:wrap; }
.page-head h1 { font-size:22px; font-weight:800; letter-spacing:-.4px; }
.today { color:var(--text2); font-size:13px; }
.section-label { font-size:13px; font-weight:700; color:var(--text2); margin:22px 0 10px; }

/* ---- 카드 ---- */
.card { background:var(--bg2); border:1px solid var(--border); border-radius:10px; padding:18px; }

/* ---- KPI ---- */
.kpi-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px; }
.kpi-grid-2 { grid-template-columns:repeat(2,minmax(0,1fr)); }
.kpi-card { position:relative; background:var(--bg2); border:1px solid var(--border); border-radius:10px; padding:16px 18px; overflow:hidden; }
.kpi-card::before { content:""; position:absolute; top:0; left:0; width:40%; height:2px; background:var(--card-accent,var(--accent)); }
.kpi-label { font-size:12px; color:var(--text2); margin-bottom:8px; }
.kpi-num { font-size:26px; font-weight:800; letter-spacing:-.5px; }
.kpi-num span { font-size:13px; font-weight:600; color:var(--text2); margin-left:3px; }

/* ---- 차트 그리드 ---- */
.chart-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
.chart-card { background:var(--bg2); border:1px solid var(--border); border-radius:10px; padding:16px; overflow:hidden; }

/* ---- 테이블 / DIV 그리드 ---- */
.table-wrap { overflow-x:auto; border:1px solid var(--border); border-radius:10px; }
.dgrid { display:grid; min-width:600px; }
.dgrid > div { padding:10px 14px; border-bottom:1px solid var(--border); font-size:13px; }
.dgrid-head { background:var(--bg3); color:var(--text2); font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.4px; }
.dgrid .num { text-align:right; font-variant-numeric:tabular-nums; }
.dgrid-head.num { text-align:right; }
.dgrid-empty { grid-column:1/-1; text-align:center; color:var(--text2); padding:28px 0 !important; }
.dgrid-recent { grid-template-columns:1.4fr 1.4fr .8fr 1fr; }

/* ---- 버튼 ---- */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; border:none; border-radius:8px; padding:9px 16px; font-size:13px; font-weight:600; cursor:pointer; transition:opacity .12s,transform .05s; }
.btn:active { transform:translateY(1px); }
.btn:disabled { opacity:.55; cursor:default; }
.btn-primary { background:linear-gradient(135deg,var(--accent),var(--accent2)); color:#fff; }
.btn-primary:hover { opacity:.92; }
.btn-outline { background:var(--bg3); color:var(--text); border:1px solid var(--border2); }
.btn-outline:hover { border-color:var(--accent); }
.btn-danger { background:var(--accent5); color:#fff; }
.btn-block { width:100%; }

/* ---- 폼 ---- */
.field { margin-bottom:14px; }
.field label { display:block; font-size:12px; color:var(--text2); margin-bottom:6px; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=date], select, textarea {
  width:100%; background:var(--bg3); border:1px solid var(--border); border-radius:8px;
  padding:9px 12px; color:var(--text); font-size:14px; outline:none; transition:border-color .12s;
}
input:focus, select:focus, textarea:focus { border-color:var(--accent); }
textarea { resize:vertical; min-height:80px; }

/* ---- 모달 (딤드 팝업) ---- */
.modal-dim { position:fixed; inset:0; background:rgba(0,0,0,.5); display:flex; align-items:center; justify-content:center; z-index:50; }
.modal-dim.hidden { display:none; }
.modal { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:22px; width:min(440px,92vw); box-shadow:var(--shadow); }
.modal h3 { font-size:16px; margin-bottom:16px; }
.modal-actions { display:flex; justify-content:flex-end; gap:8px; margin-top:18px; }

/* ---- 로딩 오버레이 ---- */
.loading-overlay { position:absolute; inset:0; background:var(--bg); display:flex; align-items:center; justify-content:center; z-index:30; }
.loading-overlay.hidden { display:none; }
.spinner { width:34px; height:34px; border:3px solid var(--border); border-top-color:var(--accent); border-radius:50%; animation:spin .7s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

/* ---- 로그인 ---- */
.login-body { display:flex; align-items:center; justify-content:center; min-height:100vh; background:var(--bg);
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px); background-size:40px 40px; }
.login-card { width:min(360px,92vw); }
.login-err { color:var(--accent5); font-size:12.5px; min-height:18px; margin:2px 0 10px; }

/* ---- 반응형: 사이드바 슬라이드인 ---- */
@media (max-width:860px) {
  .sidebar { position:fixed; z-index:45; transform:translateX(-100%); transition:transform .2s; }
  .sidebar.open { transform:translateX(0); }
  .sidebar-toggle { display:block; }
  .content { padding:64px 18px 28px; }
  .kpi-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .chart-grid { grid-template-columns:1fr; }
}