/* ============================================================
   layout.css — Sidebar, header e grid geral
   ============================================================ */

/* ── App Shell ─────────────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .25s ease;
  overflow-y: auto;
}

.sidebar-brand {
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.sidebar-brand .brand-name {
  font-size: .875rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .5px;
}

.sidebar-brand .brand-sub {
  font-size: .75rem;
  color: rgba(255,255,255,.5);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-3) 0;
}

.nav-section-title {
  font-size: .6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.35);
  padding: var(--space-4) var(--space-4) var(--space-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  color: rgba(255,255,255,.7);
  font-size: .875rem;
  border-radius: 0;
  transition: background .15s, color .15s;
  position: relative;
}

.nav-item:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
  text-decoration: none;
}

.nav-item.active {
  background: var(--brand-primary);
  color: #fff;
}

.nav-item .nav-icon {
  width: 18px; height: 18px;
  flex-shrink: 0;
  opacity: .8;
}

.nav-item.active .nav-icon { opacity: 1; }

.nav-badge {
  margin-left: auto;
  background: var(--prio-urgente);
  color: #fff;
  font-size: .6875rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .75rem;
  color: rgba(255,255,255,.4);
}

/* ── Main Content ──────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Top Bar ───────────────────────────────────────────────── */
.topbar {
  height: var(--header-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ── Page Content ──────────────────────────────────────────── */
.page-content {
  flex: 1;
  padding: var(--space-6);
  max-width: 1400px;
}

.page-header {
  margin-bottom: var(--space-6);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.page-header-left {}
.page-title { font-size: 1.375rem; font-weight: 700; }
.page-subtitle { color: var(--text-secondary); margin-top: var(--space-1); }

/* ── Grid Layouts ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }

/* Contadores do dashboard */
.counters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

/* ── Filtros ───────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.filter-label {
  font-size: .8125rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-spacer { flex: 1; }

/* ── Seções ────────────────────────────────────────────────── */
.section {
  margin-bottom: var(--space-8);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: .875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-secondary);
}

/* ── Botão flutuante ───────────────────────────────────────── */
.fab {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 52px; height: 52px;
  border-radius: var(--radius-full);
  background: var(--brand-primary);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  transition: transform .15s, background .15s;
  font-size: 1.5rem;
  line-height: 1;
}

.fab:hover {
  transform: scale(1.08);
  background: #1d4ed8;
}

/* ── Mobile ────────────────────────────────────────────────── */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  padding: var(--space-2);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .counters-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .topbar { padding: 0 var(--space-4); }
  .page-content { padding: var(--space-4); }
  .fab { bottom: var(--space-5); right: var(--space-4); }
}