/* Layout: app shell, sidebar, topbar, page grid */
.app { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column;
  padding: var(--sp-4) var(--sp-3);
  background: var(--surface);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-right: 1px solid var(--border);
  z-index: 30;
}
.brand { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-2) var(--sp-3) var(--sp-5); }
.brand-name { font-weight: var(--fw-bold); font-size: 16px; letter-spacing: -0.02em; line-height: 1.2; }
.brand-sub { font-size: var(--fs-xs); color: var(--text-3); margin-top: 2px; }
.nav { flex: 1; overflow-y: auto; overflow-x: hidden; margin: 0 calc(var(--sp-3) * -1); padding: 0 var(--sp-3); scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav-label { font-size: var(--fs-xs); font-weight: var(--fw-medium); color: var(--text-3); padding: var(--sp-5) var(--sp-3) var(--sp-2); }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; min-height: 40px; padding: 8px var(--sp-3);
  border: 0; border-radius: 12px; background: transparent;
  color: var(--text-2); font-size: 13.5px; font-weight: var(--fw-medium); text-align: left;
  text-decoration: none !important; transition: background .15s, color .15s;
}
.nav-item:hover { background: color-mix(in srgb, var(--surface-solid) 70%, transparent); color: var(--text); }
.nav-item:focus { outline: none; }
.nav-item:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--focus); }
.nav-item.active { background: var(--surface-solid); color: var(--text); box-shadow: var(--shadow-sm); }
.nav-item.active > svg:first-child, .nav-head.current > svg:first-child { color: var(--teal); }
.nav-head.current { color: var(--text); font-weight: var(--fw-semibold); }
.nav-item .nav-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-item svg { width: 18px; height: 18px; flex: none; stroke-width: 1.75; color: var(--text-3); transition: color .15s; }
.nav-item:hover > svg:first-child { color: var(--text-2); }
.nav-item .lock { width: 14px; height: 14px; color: var(--text-3); }
.nav-item.locked { color: var(--text-3); }
.nav-item .chev { width: 14px; height: 14px; color: var(--text-3); transition: transform .2s; }
.nav-group.open > .nav-item .chev { transform: rotate(90deg); }
.nav-sub { display: none; margin: 2px 0 8px; padding: 0; }
.nav-group.open .nav-sub { display: block; }
.nav-sub .nav-item { min-height: 34px; font-size: 13px; padding: 6px var(--sp-3) 6px 40px; font-weight: var(--fw-regular); position: relative; }
.nav-sub .nav-item::before { content: ""; position: absolute; left: 21px; top: 50%; width: 5px; height: 5px; margin-top: -2.5px; border-radius: 50%; background: var(--border-strong); transition: background .15s; }
.nav-sub .nav-item.active { font-weight: var(--fw-medium); }
.nav-sub .nav-item.active::before { background: var(--teal); }
.sidebar-foot { border-top: 1px solid var(--border); padding-top: var(--sp-3); margin-top: var(--sp-2); }

/* ---------- Main ---------- */
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 25;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: var(--sp-3);
  padding: 0 var(--sp-6);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--divider);
}
.topbar .burger { display: none; }
.search-trigger {
  display: flex; align-items: center; gap: var(--sp-2);
  width: min(380px, 100%); height: 40px; padding: 0 var(--sp-3);
  border: 1px solid var(--border); border-radius: var(--r-pill);
  background: var(--surface-solid); color: var(--text-3); font-size: 13.5px; text-align: left;
}
.search-trigger:hover { border-color: var(--border-strong); }
.search-trigger svg { width: 16px; height: 16px; flex: none; }
.search-trigger .search-text { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-trigger .kbd { flex: none; }
.search-trigger .kbd { margin-left: auto; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: var(--sp-2); }
.role-switch { display: flex; align-items: center; gap: 10px; height: 44px; padding: 0 6px 0 4px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--surface-solid); }
.role-switch:hover { border-color: var(--border-strong); }
.role-who { display: flex; flex-direction: column; justify-content: center; line-height: 1.15; min-width: 0; }
.role-who b { font-size: 13px; font-weight: var(--fw-semibold); white-space: nowrap; }
.role-switch select { border: 0; background: transparent; color: var(--text-3); font-size: 11.5px; font-weight: var(--fw-medium); padding: 0 18px 0 0; margin: 0; height: 16px; line-height: 16px; appearance: none; -webkit-appearance: none; cursor: pointer; max-width: 160px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237C8698' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0 center; }
.role-switch select:focus { outline: none; }
.role-switch select:focus-visible { box-shadow: 0 0 0 2px var(--focus); border-radius: 4px; }

.content { flex: 1; width: 100%; max-width: var(--content-max); margin: 0 auto; padding: var(--sp-6) var(--sp-6) var(--sp-12); position: relative; }

/* Page header */
.page-head { display: flex; align-items: flex-start; gap: var(--sp-4); margin-bottom: var(--sp-5); flex-wrap: wrap; }
.page-head .titles { flex: 1; min-width: 240px; }
.crumbs { display: flex; align-items: center; gap: 6px; font-size: var(--fs-sm); color: var(--text-3); margin-bottom: 6px; flex-wrap: wrap; }
.crumbs a { color: var(--text-3); }
.crumbs svg { width: 12px; height: 12px; }
.page-head h1 { font-size: 26px; }
.page-head .lede { color: var(--text-2); margin-top: 6px; max-width: 760px; }
.page-actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; align-items: center; }

/* 12-col grid */
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--sp-4); }
.grid + .grid, .grid + .card, .card + .grid, .kpis + .grid, .kpis + .card { margin-top: var(--sp-4); }
.span-3 { grid-column: span 3; } .span-4 { grid-column: span 4; } .span-5 { grid-column: span 5; } .span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; } .span-8 { grid-column: span 8; } .span-9 { grid-column: span 9; } .span-12 { grid-column: span 12; }

.kpis { display: flex; flex-wrap: wrap; gap: var(--sp-4); margin-bottom: var(--sp-4); }
.kpis > .kpi { flex: 1 1 165px; min-width: 0; }
.kpis.k7 > .kpi, .kpis.k8 > .kpi { flex-basis: calc(25% - var(--sp-4)); } /* 7–8 tiles: two balanced rows of four, no orphan */
@media (max-width: 1100px) { .kpis > .kpi { flex-basis: calc(33.333% - var(--sp-4)); } .kpis.k4 > .kpi, .kpis.k8 > .kpi { flex-basis: calc(50% - var(--sp-4)); } }

/* Overlay for mobile sidebar */
.scrim { position: fixed; inset: 0; background: var(--overlay); z-index: 28; opacity: 0; pointer-events: none; transition: opacity .2s; }

/* ---------- Responsive ---------- */
@media (max-width: 1280px) {
  .span-3 { grid-column: span 6; }
  .span-4, .span-5, .span-7, .span-8 { grid-column: span 12; }
  .span-4.keep, .span-8.keep { grid-column: span 6; }
}
@media (max-width: 1100px) {
  :root { --sidebar-w: 0px; }
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; left: 0; top: 0; width: 280px; transform: translateX(-100%); transition: transform .25s var(--ease); background: var(--surface-solid); box-shadow: var(--shadow-lg); }
  body.nav-open .sidebar { transform: none; }
  body.nav-open .scrim { opacity: 1; pointer-events: auto; }
  .topbar .burger { display: inline-flex; }
  .topbar { padding: 0 var(--sp-4); }
  .content { padding: var(--sp-5) var(--sp-4) var(--sp-10); }
  .span-6 { grid-column: span 12; }
  .span-6.keep { grid-column: span 6; }
}
@media (max-width: 900px) {
  .search-trigger { width: 44px; padding: 0; justify-content: center; }
  .search-trigger span, .search-trigger .kbd { display: none; }
}
@media (max-width: 640px) {
  .grid { gap: var(--sp-3); }
  .span-3, .span-4.keep, .span-6.keep, .span-8.keep { grid-column: span 12; }
  .kpis { gap: var(--sp-3); } .kpis > .kpi, .kpis.k4 > .kpi, .kpis.k7 > .kpi, .kpis.k8 > .kpi { flex-basis: calc(50% - var(--sp-3)); }
  .page-head h1 { font-size: 22px; }
  .content { padding: var(--sp-4) var(--sp-4) var(--sp-10); }
  .topbar { gap: var(--sp-2); padding: 0 var(--sp-3); }
  .role-switch select { max-width: 120px; color: var(--text); font-size: 12.5px; }
  .hide-sm { display: none !important; }
}