/* ==========================================================================
   Layout — shell (sidebar fixa + topbar + conteúdo)
   ========================================================================== */

.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}
.shell.is-collapsed { grid-template-columns: var(--sidebar-w-collapsed) 1fr; }

/* ---- Sidebar ---- */
.sidebar {
  position: sticky; top: 0; height: 100vh;
  background: var(--surface-sidebar);
  border-right: 1px solid var(--border-default);
  display: flex; flex-direction: column;
  padding: var(--space-5) var(--space-3);
  transition: width var(--dur-base) var(--ease-out);
  z-index: 40;
}
.sidebar__brand {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-2) var(--space-3) var(--space-6);
}
.sidebar__brand-mark {
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-blue), #3D8BFF);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-glow-blue); flex-shrink: 0;
}
.sidebar__brand-text { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-md); letter-spacing: -0.02em; white-space: nowrap; }
.sidebar__brand-text small { display: block; font-family: var(--font-sans); font-weight: 500; font-size: var(--fs-2xs); color: var(--text-tertiary); }
.is-collapsed .sidebar__brand-text, .is-collapsed .nav-item__label, .is-collapsed .nav-section__title, .is-collapsed .sidebar__foot-text { display: none; }

.sidebar__nav { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: var(--space-5); padding-bottom: var(--space-4); }
.nav-section__title { font-size: var(--fs-2xs); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-tertiary); padding: 0 var(--space-3); margin-bottom: var(--space-2); }
.nav-section__list { display: flex; flex-direction: column; gap: 2px; }

.nav-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
  color: var(--text-secondary); font-weight: 500; font-size: var(--fs-sm);
  cursor: pointer; transition: background var(--dur-fast), color var(--dur-fast);
  position: relative; white-space: nowrap;
}
.nav-item:hover { background: var(--surface-hover); color: var(--text-primary); text-decoration: none; }
.nav-item.is-active { background: var(--surface-active); color: var(--brand); font-weight: 600; }
.nav-item.is-active .nav-item__icon { color: var(--brand); }
.nav-item__icon { width: 18px; height: 18px; flex-shrink: 0; color: var(--text-tertiary); display: flex; }
.nav-item__badge { margin-left: auto; font-size: var(--fs-2xs); font-weight: 700; padding: 1px 7px; border-radius: var(--radius-full); background: var(--danger-bg); color: var(--danger); }

.sidebar__foot {
  border-top: 1px solid var(--border-default); padding-top: var(--space-4);
  display: flex; align-items: center; gap: var(--space-3); padding-left: var(--space-3);
}
.sidebar__collapse-btn {
  display: flex; align-items: center; justify-content: center; gap: var(--space-2);
  width: 100%; padding: var(--space-2); border-radius: var(--radius-sm); border: 1px solid var(--border-default);
  background: transparent; color: var(--text-secondary); font-size: var(--fs-xs); font-weight: 600;
}
.sidebar__collapse-btn:hover { background: var(--surface-hover); }

/* ---- Topbar ---- */
.topbar {
  position: sticky; top: 0; z-index: 30; height: var(--topbar-h);
  display: flex; align-items: center; gap: var(--space-4);
  padding: 0 var(--space-8);
  background: var(--surface-topbar); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-default);
}
.topbar__search {
  flex: 1; max-width: 420px; display: flex; align-items: center; gap: var(--space-2);
  background: var(--surface-inset); border: 1px solid transparent; border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3); color: var(--text-tertiary); transition: border-color var(--dur-fast);
}
.topbar__search:focus-within { border-color: var(--border-focus); background: var(--surface-card); }
.topbar__search input { flex: 1; border: none; outline: none; background: transparent; color: var(--text-primary); }
.topbar__search kbd { font-size: var(--fs-2xs); color: var(--text-tertiary); background: var(--surface-card); border: 1px solid var(--border-default); border-radius: 4px; padding: 1px 5px; }

/* Especificidade elevada de propósito: precisa vencer `.icon-btn { display: flex }`
   (definido depois, em components.css) independentemente da ordem de carga do CSS. */
.topbar .mobile-nav-toggle { display: none; }

.topbar__actions { margin-left: auto; display: flex; align-items: center; gap: var(--space-2); }
.icon-btn {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); border: 1px solid transparent; background: transparent; color: var(--text-secondary);
  position: relative; transition: background var(--dur-fast), border-color var(--dur-fast);
}
.icon-btn:hover { background: var(--surface-hover); border-color: var(--border-default); color: var(--text-primary); }
.icon-btn__dot { position: absolute; top: 7px; right: 7px; width: 8px; height: 8px; border-radius: 50%; background: var(--danger); border: 2px solid var(--surface-card); }

.topbar__user { display: flex; align-items: center; gap: var(--space-3); padding-left: var(--space-3); border-left: 1px solid var(--border-default); cursor: pointer; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--color-blue), #7A5AF8); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: var(--fs-sm); flex-shrink: 0; }
.topbar__user-info { line-height: 1.25; }
.topbar__user-name { font-size: var(--fs-sm); font-weight: 600; }
.topbar__user-org { font-size: var(--fs-2xs); color: var(--text-tertiary); }

/* ---- Conteúdo ---- */
.content { padding: var(--space-8); max-width: var(--content-max); margin: 0 auto; width: 100%; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); flex-wrap: wrap; }
.page-head__title { font-size: var(--fs-2xl); }
.page-head__subtitle { color: var(--text-secondary); margin-top: 4px; font-size: var(--fs-sm); }
.page-head__actions { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; }

.grid { display: grid; gap: var(--space-5); }
/* Sem isso, uma célula com conteúdo largo (tabela com nomes longos de
   produto/campanha, por exemplo) força a trilha do grid a crescer além do
   1fr para caber o "min-content" — é o que causava rolagem horizontal da
   página inteira no mobile mesmo com uma única coluna. */
.grid > * { min-width: 0; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.section { margin-bottom: var(--space-8); }
.section__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); }
.section__title { font-size: var(--fs-lg); }

@media (max-width: 1180px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-6 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; height: 100vh; width: var(--sidebar-w); transform: translateX(-100%); box-shadow: var(--shadow-xl); z-index: 60; transition: transform var(--dur-base) var(--ease-out); }
  .shell.is-nav-open .sidebar { transform: translateX(0); }
  .shell.is-nav-open::before {
    content: ''; position: fixed; inset: 0; background: var(--surface-overlay); z-index: 50;
    animation: fade-in var(--dur-fast) var(--ease-out);
  }
  .content { padding: var(--space-4); }
  .grid-cols-4, .grid-cols-3, .grid-cols-6, .grid-cols-2 { grid-template-columns: 1fr; }
  .span-2, .span-3, .span-4 { grid-column: span 1; }
  .topbar { padding: 0 var(--space-4); }
  .topbar__search { display: none; }
  .topbar .mobile-nav-toggle { display: flex; }
}