/* =====================================================================
   천안 제조공장 대시보드 — 다크 테마 + 청·진청 팔레트 (경영진 의사결정용)
   ===================================================================== */

:root {
  --bg-primary:    #0b1220;
  --bg-secondary:  #111a2c;
  --bg-card:       #16213a;
  --bg-card-hover: #1c2a47;
  --bg-elevated:   #1f2d4d;
  --border:        #243456;
  --border-soft:   #1a2741;

  --text-primary:    #e6edf7;
  --text-secondary:  #94a3b8;
  --text-muted:      #64748b;

  /* 의미 색상 */
  --positive: #10b981;     /* 흑자 / 달성 */
  --warning:  #f59e0b;     /* 근접 / 주의 */
  --danger:   #ef4444;     /* 적자 / 미달 */
  --critical: #dc2626;     /* 위기 */

  /* 그룹 색상 */
  --gs:      #3b82f6;      /* 젤스트립 */
  --gp:      #a855f7;      /* 젤프레스온 */
  --common:  #64748b;      /* 공통 */
  --capex:   #0ea5e9;      /* CAPEX 시안 */

  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 12px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.35);

  --sidebar-w: 240px;
  --header-h: 64px;
}

/* 라이트 테마 (경영진 미팅 모드) */
[data-theme="light"] {
  --bg-primary:    #f8fafc;
  --bg-secondary:  #ffffff;
  --bg-card:       #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-elevated:   #ffffff;
  --border:        #e2e8f0;
  --border-soft:   #f1f5f9;
  --text-primary:    #0f172a;
  --text-secondary:  #475569;
  --text-muted:      #94a3b8;
  --shadow: 0 2px 8px rgba(15,23,42,0.06);
}

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

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ── 보안 배너 ─────────────────────────────────────────────────── */
.security-banner {
  background: linear-gradient(90deg, #7f1d1d, #991b1b);
  color: #fee2e2;
  padding: 6px 16px;
  font-size: 12px;
  text-align: center;
  letter-spacing: 0.5px;
  border-bottom: 1px solid #b91c1c;
}
.security-banner strong { color: #fff; margin: 0 8px; }

/* ── 레이아웃 ──────────────────────────────────────────────────── */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  min-height: calc(100vh - 28px);
}

/* ── 사이드바 ─────────────────────────────────────────────────── */
.sidebar {
  grid-area: sidebar;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}
.sidebar-brand .logo {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 1px;
  color: var(--text-primary);
}
.sidebar-brand .factory {
  font-size: 11px;
  color: var(--gs);
  margin-top: 2px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.sidebar nav { padding: 10px 8px; flex: 1; }
.nav-section {
  font-size: 10px;
  color: var(--text-muted);
  padding: 12px 12px 6px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  margin: 2px 0;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13.5px;
  cursor: pointer;
  position: relative;
  transition: all 0.15s;
}
.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: linear-gradient(90deg, rgba(59,130,246,0.18), rgba(59,130,246,0.06));
  color: var(--text-primary);
  font-weight: 600;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--gs);
  border-radius: 2px;
}
.nav-item .icon { font-size: 15px; width: 18px; text-align: center; }
.nav-item .badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
}
.nav-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.nav-item.disabled:hover { background: none; color: var(--text-secondary); }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
}

/* ── 헤더 ──────────────────────────────────────────────────────── */
.header {
  grid-area: header;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header h1 {
  font-size: 18px;
  font-weight: 700;
}
.header-spacer { flex: 1; }
.header-control {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.header-control:hover {
  background: var(--bg-card-hover);
}
select.header-control {
  cursor: pointer;
  padding-right: 28px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  appearance: none;
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
}
.user-chip .avatar {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gs), var(--gp));
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}
.user-chip .role {
  color: var(--gs);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ── 메인 ──────────────────────────────────────────────────────── */
.main {
  grid-area: main;
  padding: 20px 24px 40px;
  overflow-x: auto;
}

.view {
  display: none;
}
.view.active { display: block; }

/* ── KPI 카드 ───────────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}
.kpi {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--gs);
}
.kpi.k-positive::before { background: var(--positive); }
.kpi.k-warning::before  { background: var(--warning); }
.kpi.k-danger::before   { background: var(--danger); }
.kpi.k-capex::before    { background: var(--capex); }
.kpi.k-gp::before       { background: var(--gp); }

.kpi-label {
  font-size: 11.5px;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.3px;
}
.kpi-value {
  font-size: 22px;
  font-weight: 800;
  margin-top: 6px;
  letter-spacing: -0.5px;
}
.kpi-value.positive { color: var(--positive); }
.kpi-value.danger { color: var(--danger); }
.kpi-value.warning { color: var(--warning); }

.kpi-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}
.kpi-sub .delta-up   { color: var(--positive); }
.kpi-sub .delta-down { color: var(--danger); }

/* ── 차트 그리드 ─────────────────────────────────────────────────── */
.row {
  display: grid;
  gap: 14px;
  margin-bottom: 14px;
}
.row.r-60-40 { grid-template-columns: 3fr 2fr; }
.row.r-50-50 { grid-template-columns: 1fr 1fr; }
.row.r-100   { grid-template-columns: 1fr; }

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
}
.chart-card .chart-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chart-card .chart-title .sub {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}
.chart-card .canvas-wrap {
  flex: 1;
  position: relative;
  min-height: 220px;
}

/* ── 인사이트 패널 ─────────────────────────────────────────────────── */
.insights {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 6px;
}
.insights h3 {
  font-size: 13px;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.insight {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-soft);
  margin-bottom: 8px;
  font-size: 12.5px;
}
.insight .icon { font-size: 16px; }
.insight .body { flex: 1; }
.insight .body strong { display: block; color: var(--text-primary); margin-bottom: 2px; font-size: 12.5px; }
.insight.l-critical { border-left: 3px solid var(--critical); }
.insight.l-warn     { border-left: 3px solid var(--warning); }
.insight.l-info     { border-left: 3px solid var(--gs); }
.insight.l-good     { border-left: 3px solid var(--positive); }

/* ── 빈 화면 (준비중) ─────────────────────────────────────────────── */
.empty-state {
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 60px 20px;
  text-align: center;
  color: var(--text-secondary);
}
.empty-state .big { font-size: 36px; margin-bottom: 12px; }
.empty-state .title { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.empty-state .desc { font-size: 13px; color: var(--text-muted); max-width: 460px; margin: 0 auto; }

/* ── 반응형 ──────────────────────────────────────────────────────── */
@media (max-width: 1280px) {
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas: "header" "main";
  }
  .sidebar { display: none; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .row.r-60-40, .row.r-50-50 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: 1fr; }
}

/* ── 인쇄(미팅 모드) ─────────────────────────────────────────────── */
@media print {
  .sidebar, .header { display: none; }
  .main { padding: 0; }
}

/* ── 차트 색상 헬퍼 ─────────────────────────────────────────────── */
.legend-dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  margin-right: 6px;
}

/* ── 로딩 ─────────────────────────────────────────────────────── */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(11,18,32,0.85);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.loading-overlay.hidden { display: none; }
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--gs);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }