:root {
  --bg: #0b1120;
  --bg-content: #0f172a;
  --bg-elevated: #1a2436;
  --bg-elevated-2: #233044;
  --bg-sidebar: #0a0f1c;
  --borda: #263449;
  --texto: #e2e8f0;
  --texto-muted: #8b9bb4;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --verde: #22c55e;
  --azul-claro: #38bdf8;
  --amarelo: #f59e0b;
  --vermelho: #f87171;
  --fonte: 'Inter', 'Segoe UI', Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--fonte);
  background: var(--bg-content);
  color: var(--texto);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Layout geral: sidebar fixa + conteúdo */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--borda);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 20px 0 24px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 20px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--borda);
  color: var(--texto);
}

.sidebar-logo {
  font-size: 1.6rem;
  line-height: 1;
}

.sidebar-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.sidebar-brand-text strong {
  font-size: 1rem;
  color: var(--texto);
}

.sidebar-brand-text span {
  font-size: 0.78rem;
  color: var(--texto-muted);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
  flex: 1;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--texto-muted);
  font-size: 0.92rem;
  font-weight: 500;
}

.sidebar-nav a:hover {
  background: var(--bg-elevated);
  color: var(--texto);
}

.sidebar-nav .icon {
  font-size: 1.05rem;
  width: 20px;
  text-align: center;
}

.app-content {
  flex: 1;
  min-width: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 32px 64px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 22px;
}

.page-header h1 {
  margin: 0 0 4px;
  font-size: 1.5rem;
}

/* Botões */
.btn {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--borda);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--texto);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.2;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.btn:hover {
  background: var(--bg-elevated-2);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-danger {
  background: transparent;
  border-color: var(--vermelho);
  color: var(--vermelho);
}

.btn-danger:hover {
  background: rgba(248, 113, 113, 0.12);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.8rem;
  border-radius: 6px;
}

.inline-form {
  display: inline-block;
}

/* Indicadores */
.indicadores {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.indicadores .card {
  background: var(--bg-elevated);
  border: 1px solid var(--borda);
  border-top: 3px solid var(--borda);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.indicadores .num {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--texto);
  font-variant-numeric: tabular-nums;
}

.indicadores .label {
  display: block;
  font-size: 0.82rem;
  color: var(--texto-muted);
  margin-top: 4px;
}

.card-disponivel { border-top-color: var(--verde); }
.card-disponivel .num { color: var(--verde); }
.card-em_uso { border-top-color: var(--azul-claro); }
.card-em_uso .num { color: var(--azul-claro); }
.card-manutencao { border-top-color: var(--amarelo); }
.card-manutencao .num { color: var(--amarelo); }
.card-baixado { border-top-color: var(--vermelho); }
.card-baixado .num { color: var(--vermelho); }

/* Filtros */
.filtros {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.filtros input[type="text"] {
  flex: 1;
  min-width: 220px;
}

.filtros input,
.filtros select {
  padding: 9px 11px;
  border: 1px solid var(--borda);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--texto);
  font-size: 0.9rem;
  font-family: inherit;
}

.filtros input::placeholder {
  color: var(--texto-muted);
}

.filtros input:focus,
.filtros select:focus {
  outline: none;
  border-color: var(--accent);
}

.lista-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

/* Tabela */
.table-wrap {
  overflow-x: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--borda);
  border-radius: 10px;
}

.tabela {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.89rem;
}

.tabela th,
.tabela td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--borda);
  white-space: nowrap;
}

.tabela th {
  background: var(--bg-sidebar);
  font-weight: 600;
  color: var(--texto-muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tabela tbody tr:hover {
  background: var(--bg-elevated-2);
}

.tabela tbody tr:last-child td {
  border-bottom: none;
}

.tabela .vazio {
  text-align: center;
  color: var(--texto-muted);
  padding: 28px;
}

.acoes-cell {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  white-space: normal;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
}

.badge-disponivel {
  background: rgba(34, 197, 94, 0.15);
  color: var(--verde);
}

.badge-em_uso {
  background: rgba(56, 189, 248, 0.15);
  color: var(--azul-claro);
}

.badge-manutencao {
  background: rgba(245, 158, 11, 0.15);
  color: var(--amarelo);
}

.badge-baixado {
  background: rgba(248, 113, 113, 0.15);
  color: var(--vermelho);
}

/* Formulários */
.form-card {
  background: var(--bg-elevated);
  border: 1px solid var(--borda);
  border-radius: 10px;
  padding: 24px;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-card label,
.dialog label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--texto);
}

.form-card input,
.form-card select,
.form-card textarea,
.dialog input,
.dialog select,
.dialog textarea {
  padding: 9px 11px;
  border: 1px solid var(--borda);
  border-radius: 8px;
  background: var(--bg-elevated-2);
  color: var(--texto);
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: 400;
}

.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus,
.dialog input:focus,
.dialog select:focus,
.dialog textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

/* Dialogs */
.dialog {
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 22px;
  max-width: 400px;
  width: 90%;
  background: var(--bg-elevated);
  color: var(--texto);
}

.dialog::backdrop {
  background: rgba(2, 6, 23, 0.65);
}

.dialog form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dialog h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

/* Página de item / histórico */
.item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.item-header h1 {
  font-size: 1.4rem;
}

.item-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.item-details {
  background: var(--bg-elevated);
  border: 1px solid var(--borda);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.item-details p {
  margin: 6px 0;
}

.muted {
  color: var(--texto-muted);
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid var(--borda);
}

.timeline li {
  padding: 0 0 18px 18px;
  position: relative;
}

.timeline li::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.timeline time {
  display: block;
  font-size: 0.78rem;
  color: var(--texto-muted);
}

.timeline .tipo {
  display: inline-block;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--azul-claro);
  margin: 2px 0;
}

.timeline p {
  margin: 4px 0 0;
  color: var(--texto);
}

/* Etiquetas / impressão */
.etiquetas-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  color: var(--texto);
}

.etiquetas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8mm;
  padding: 10mm;
}

.etiqueta {
  border: 1px dashed #64748b;
  border-radius: 6px;
  padding: 6mm 4mm;
  text-align: center;
  break-inside: avoid;
}

.etiqueta-empresa {
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--texto-muted);
  text-transform: uppercase;
}

.etiqueta-codigo {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 4px 0;
  color: var(--texto);
}

.etiqueta-categoria {
  font-size: 0.85rem;
  color: var(--texto);
}

@media print {
  .no-print {
    display: none !important;
  }

  body {
    background: white;
    color: #0f172a;
  }

  .etiquetas-grid {
    gap: 4mm;
    padding: 0;
  }

  .etiqueta {
    border: 1px solid #000;
  }

  .etiqueta-empresa,
  .etiqueta-categoria {
    color: #334155;
  }

  .etiqueta-codigo {
    color: #000;
  }

  @page {
    margin: 10mm;
  }
}

@media (max-width: 900px) {
  .app-shell {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    padding: 14px 0;
  }

  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
    padding: 0 16px;
  }

  .sidebar-brand {
    border-bottom: none;
    margin-bottom: 8px;
    padding-bottom: 8px;
  }

  .indicadores {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Login */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 360px;
}