/* =========================================================================
   ONSystem - manager.css
   Giao diện dành riêng cho PHÂN HỆ QUẢN TRỊ (Manager) - tối ưu cho DESKTOP.
   Bố cục: thanh điều hướng bên trái (sidebar) cố định + nội dung chính.
   ========================================================================= */

body.manager { background: var(--color-bg); }

.app-shell { display: flex; min-height: 100vh; }

/* ----- Thanh điều hướng bên trái ------------------------------------------ */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--color-primary-dark);
  color: #EAF1EC;
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 22px; }
.sidebar-brand .logo-badge {
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  background: #EAF1EC; color: var(--color-primary-dark);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
}
.sidebar-brand strong { display: block; font-family: var(--font-display); font-size: 15px; }
.sidebar-brand span { display: block; font-size: 11px; color: #B9CCC0; }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.sidebar-group-label {
  font-size: 11px; text-transform: none; color: #8FA79A;
  padding: 14px 10px 6px; font-weight: 600;
}
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: var(--radius-sm);
  color: #D7E4DC; font-size: 13.5px; font-weight: 500;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.08); text-decoration: none; }
.sidebar-nav a.active { background: #EAF1EC; color: var(--color-primary-dark); font-weight: 700; }
.sidebar-nav a .icon { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-foot { font-size: 11px; color: #8FA79A; padding: 10px 10px 0; border-top: 1px solid rgba(255,255,255,0.1); margin-top: 10px; padding-top: 12px; }

/* ----- Nội dung chính ------------------------------------------------------ */
.main-area { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.main-area .topbar { padding: 16px 28px; }
.main-content { padding: 24px 28px 48px; max-width: 1180px; width: 100%; }

/* ----- Lưới thẻ số liệu tổng quan ------------------------------------------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kpi-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 16px 18px;
}
.kpi-card .top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.kpi-card .icon-wrap {
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.kpi-card .value { font-family: var(--font-display); font-size: 24px; font-weight: 700; }
.kpi-card .label { font-size: 12.5px; color: var(--color-text-muted); }
.kpi-card .delta { font-size: 12px; font-weight: 600; margin-top: 6px; }
.kpi-card .delta.up { color: var(--color-primary); }
.kpi-card .delta.warn { color: var(--color-amber); }

/* ----- Bố cục 2 cột trong bảng điều khiển ------------------------------------ */
.dash-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; margin-top: 16px; align-items: start; }

/* ----- Thanh bộ lọc phía trên bảng dữ liệu ------------------------------------ */
.filter-bar {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 14px 16px; margin-bottom: 14px;
}
.filter-bar .field { margin-bottom: 0; min-width: 160px; }
.filter-bar .field.grow { flex: 1; min-width: 200px; }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 18px; gap: 12px; }
.page-head p { color: var(--color-text-muted); font-size: 13.5px; }

.leaderboard { display: flex; flex-direction: column; gap: 4px; }
.leaderboard .li { display: flex; align-items: center; gap: 10px; padding: 9px 4px; border-bottom: 1px solid var(--color-border); }
.leaderboard .li:last-child { border-bottom: none; }
.leaderboard .rank {
  width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0;
  background: var(--color-surface-alt); color: var(--color-text-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.leaderboard .li:nth-child(1) .rank { background: var(--color-amber); color: #fff; }
.leaderboard .li:nth-child(2) .rank { background: #A9B2A5; color: #fff; }
.leaderboard .li:nth-child(3) .rank { background: #B98457; color: #fff; }
.leaderboard .name { flex: 1; font-size: 13.5px; font-weight: 600; }
.leaderboard .amount { font-size: 13px; font-weight: 700; color: var(--color-primary-dark); }

@media (max-width: 980px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-grid { grid-template-columns: 1fr; }
}