/* ============================================================================
   7stock — layout.css: shell da aplicação, grids e responsividade
   Mobile-first: em telas pequenas a sidebar vira barra inferior de navegação.
   ============================================================================ */

.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  flex: none;
}

.app-main {
  display: flex;
  flex: 1;
  min-height: 0;
}

.app-sidebar {
  flex: none;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.app-content {
  flex: 1;
  min-width: 0;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

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

.content-title {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.content-title h1 {
  font-size: var(--text-2xl);
}

.breadcrumb {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.content-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ==================================================================== GRIDS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-full { grid-column: 1 / -1; }

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

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

.col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.stack-sm { display: flex; flex-direction: column; gap: var(--space-2); }
.grow { flex: 1; min-width: 0; }

/* =============================================================== FILTROS */
.filter-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: var(--space-3);
  align-items: end;
}

.filter-bar .filter-wide { grid-column: span 2; }

/* ======================================================== NAV MOBILE (BOTTOM) */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-nav-height);
  background-color: #0e1219;
  border-top: 1px solid var(--border-color);
  z-index: var(--z-sticky);
  padding-bottom: env(safe-area-inset-bottom);
}

.mobile-nav-inner {
  display: flex;
  height: var(--mobile-nav-height);
}

.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  font: 500 10px var(--font-body);
  cursor: pointer;
  padding: 0 2px;
  transition: color var(--transition-fast);
}

.mobile-nav-item.is-active {
  color: var(--color-primary);
}

.mobile-nav-item.is-active::before {
  content: '';
  position: absolute;
  top: 0;
  width: 32px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background-color: var(--color-primary);
}

/* Botão flutuante de ação principal (nova solicitação no mobile) */
.fab {
  display: none;
  position: fixed;
  right: var(--space-4);
  bottom: calc(var(--mobile-nav-height) + var(--space-4) + env(safe-area-inset-bottom));
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-dropdown);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ============================================================== TELA DE LOGIN */
.login-screen {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(118, 193, 67, 0.12), transparent 60%),
    radial-gradient(900px 500px at 110% 110%, rgba(59, 130, 246, 0.08), transparent 60%),
    var(--bg-primary);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

.login-brand .brand-logo {
  width: 56px;
  height: 56px;
  font-size: 20px;
}

.login-brand h1 {
  font-size: 28px;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

/* ============================================================== RESPONSIVO */

/* Tablet */
@media (max-width: 1024px) {
  :root { --sidebar-width: 220px; }

  .grid-2 { grid-template-columns: 1fr; }
  .app-content { padding: var(--space-4); }
}

/* Mobile */
@media (max-width: 768px) {
  .app-sidebar { display: none; }

  .mobile-nav { display: block; }

  .app-content {
    padding: var(--space-3) var(--space-3) calc(var(--mobile-nav-height) + var(--space-6));
    gap: var(--space-4);
  }

  .navbar { padding: 0 var(--space-3); }
  .navbar-brand { font-size: 17px; }
  .brand-sub { display: none; }

  .content-header { gap: var(--space-3); }
  .content-title h1 { font-size: 20px; }

  .grid, .grid-2, .grid-3 { grid-template-columns: 1fr; gap: var(--space-4); }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
  .kpi-value { font-size: 22px; }

  .filter-bar { grid-template-columns: 1fr; }
  .filter-bar .filter-wide { grid-column: span 1; }

  .card { padding: var(--space-4); }

  .modal-backdrop { padding: 0; align-items: flex-end; }
  .modal {
    max-width: 100%;
    max-height: 94dvh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    animation: sheet-in var(--transition-slow);
  }
  .modal-header, .modal-body { padding: var(--space-4); }
  .modal-footer {
    padding: var(--space-3) var(--space-4) calc(var(--space-3) + env(safe-area-inset-bottom));
    position: sticky;
    bottom: 0;
    background-color: var(--card-bg);
  }
  .modal-footer .btn { flex: 1; }

  @keyframes sheet-in {
    from { transform: translateY(100%); }
    to { transform: none; }
  }

  .toast-stack {
    top: auto;
    bottom: calc(var(--mobile-nav-height) + var(--space-3));
    left: var(--space-3);
    right: var(--space-3);
    max-width: none;
  }

  .fab { display: flex; }

  /* Tabelas viram cartões empilhados */
  .table-wrap.is-stacked { border: none; background: none; overflow: visible; }

  .data-table.is-stacked { min-width: 0; }
  .data-table.is-stacked thead { display: none; }
  .data-table.is-stacked tbody { display: flex; flex-direction: column; gap: var(--space-3); }

  .data-table.is-stacked tr {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
  }

  .data-table.is-stacked td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    border: none;
    padding: 2px 0;
    text-align: right;
  }

  .data-table.is-stacked td::before {
    content: attr(data-label);
    font: 600 var(--text-xs) var(--font-body);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    text-align: left;
    flex: none;
  }

  .data-table.is-stacked td.is-primary {
    justify-content: flex-start;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-1);
    text-align: left;
  }

  .data-table.is-stacked td.is-primary::before { display: none; }
  .data-table.is-stacked td .actions { justify-content: flex-end; }

  .chart-box { height: 240px; }
  .signature-pad canvas { height: 220px; }
}

/* Oculta blocos secundários no mobile (ex.: nome do usuário no header) */
@media (max-width: 768px) {
  .hidden-mobile { display: none !important; }
}

/* Telas muito estreitas */
@media (max-width: 380px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .btn { padding: 10px 12px; }
}