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

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  padding: var(--sp-4);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-x: hidden;
  overflow-y: auto;
  transition: width 0.2s ease;
}
/* Recolhida: faixa estreita so de icone (nunca some por completo). */
html.sidebar-recolhida .sidebar { width: var(--sidebar-w-recolhida); }
html.sidebar-recolhida .main { margin-left: var(--sidebar-w-recolhida); }

.sidebar-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--sp-5);
}
html.sidebar-recolhida .sidebar-head { justify-content: center; }
.sidebar .logo {
  font-size: var(--fs-xl); font-weight: 700;
  color: var(--accent); margin-bottom: 0;
  letter-spacing: -0.3px;
  white-space: nowrap;
}
html.sidebar-recolhida .sidebar .logo { display: none; }

.sidebar-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}
.sidebar-toggle:hover { background: var(--surface); }
.sidebar-toggle span,
.sidebar-toggle span::before,
.sidebar-toggle span::after {
  content: "";
  display: block;
  width: 14px; height: 2px;
  background: var(--text-dim);
  position: relative;
}
.sidebar-toggle span::before { position: absolute; top: -5px; left: 0; }
.sidebar-toggle span::after { position: absolute; top: 5px; left: 0; }

.sidebar .nav-section {
  font-size: var(--fs-xs); color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.6px;
  padding: var(--sp-3) var(--sp-2) var(--sp-1);
  margin-top: var(--sp-3);
  white-space: nowrap;
}
html.sidebar-recolhida .sidebar .nav-section { display: none; }

.sidebar .nav-item {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm); color: var(--text-dim);
  margin-bottom: 2px;
}
.sidebar .nav-item:hover { background: var(--surface); color: var(--text); }
.sidebar .nav-item.active { background: var(--accent-soft); color: var(--accent); }
.sidebar .nav-icone {
  width: 18px; height: 18px;
  flex-shrink: 0;
}
.sidebar .nav-texto { white-space: nowrap; overflow: hidden; }
html.sidebar-recolhida .sidebar .nav-item { justify-content: center; padding: var(--sp-2); }
html.sidebar-recolhida .sidebar .nav-texto { display: none; }

.main { flex: 1; margin-left: var(--sidebar-w); transition: margin-left 0.2s ease; }

.topbar {
  height: var(--topbar-h);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--sp-5);
  background: var(--surface-glass);
  backdrop-filter: var(--blur);
  position: sticky; top: 0; z-index: 10;
}
.topbar .user-info {
  display: flex; align-items: center; gap: var(--sp-3);
  color: var(--text-dim); font-size: var(--fs-sm);
}

.content { padding: var(--sp-5); }

.page-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--sp-5);
  flex-wrap: wrap; gap: var(--sp-3);
}
.page-head h1 { line-height: 1.2; }

.grid { display: grid; gap: var(--sp-4); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.row { display: flex; gap: var(--sp-3); align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.row.end { justify-content: flex-end; }