/* =============================================================================
   Design System do Portal do Broker MQTT (RBR Automação)
   Estilo: Industrial Moderno, Slate & Deep Cyan, Alto Contraste
   ============================================================================= */
:root {
  --bg-primary: #0b1120;
  --bg-secondary: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #243248;
  --border-color: #334155;
  --border-focus: #0284c7;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #0284c7;
  --primary-light: #38bdf8;
  --primary-glow: rgba(2, 132, 199, 0.25);
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --sidebar-width: 270px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
}

/* ─── Layout Geral ─── */
.app-container {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* ─── Sidebar Esquerda ─── */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-header {
  padding: 24px 20px 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.brand-badge-logo {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-badge-logo span {
  color: var(--primary-light);
}

.user-profile-card {
  margin-top: 14px;
  background: var(--bg-card);
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.user-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge-nivel {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-n0 { background: #7c3aed; color: #ffffff; }
.badge-n1 { background: #0284c7; color: #ffffff; }
.badge-n2 { background: #059669; color: #ffffff; }

/* ─── Menu Itens ─── */
.sidebar-nav {
  padding: 14px 12px;
  flex: 1;
}

.nav-section-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  color: #64748b;
  font-weight: 700;
  letter-spacing: 1px;
  margin: 12px 10px 6px 10px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 4px;
  transition: all 0.15s ease-in-out;
}

.nav-item:hover {
  background-color: var(--bg-card);
  color: #ffffff;
}

.nav-item.active {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.nav-item.help-item {
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--primary-light);
  font-weight: 700;
  margin-bottom: 12px;
}

.nav-item.help-item:hover, .nav-item.help-item.active {
  background: var(--primary);
  color: #ffffff;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: #64748b;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-logout {
  color: #ef4444;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-logout:hover {
  text-decoration: underline;
}

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

/* ─── Top Bar ─── */
.top-bar {
  height: 64px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.broker-status-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 10px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.top-bar-meta {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.top-bar-meta code {
  background: var(--bg-card);
  padding: 3px 6px;
  border-radius: 4px;
  color: var(--primary-light);
  border: 1px solid var(--border-color);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s;
}

.btn-primary:hover {
  background-color: #0274b3;
}

/* ─── Conteúdo ─── */
.content-body {
  padding: 28px;
  flex: 1;
}

/* ─── Mensagens Flash ─── */
.flash-msg {
  padding: 12px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.flash-sucesso { background: var(--success-bg); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.flash-erro { background: var(--danger-bg); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.flash-alerta { background: var(--warning-bg); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.flash-info { background: rgba(2, 132, 199, 0.15); color: #38bdf8; border: 1px solid rgba(2, 132, 199, 0.3); }

/* ─── Grid de Cards Superiores ─── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px 20px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--primary);
}

.card-label {
  font-size: 0.76rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.card-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
}

.card-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ─── Barra de Progresso de Cota ─── */
.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: #334155;
  border-radius: 4px;
  margin-top: 10px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #0284c7 0%, #10b981 100%);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-bar-fill.danger {
  background: linear-gradient(90deg, #f59e0b 0%, #ef4444 100%);
}

/* ─── Tabelas Estilizadas ─── */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.table-header-box {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.table-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.custom-table th {
  background: #151e2f;
  color: var(--text-muted);
  padding: 12px 18px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
}

.custom-table td {
  padding: 14px 18px;
  border-bottom: 1px solid #243248;
  color: var(--text-main);
  vertical-align: middle;
}

.custom-table tr:hover td {
  background-color: var(--bg-card-hover);
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
}

.status-online { background: var(--success-bg); color: #34d399; }
.status-offline { background: var(--danger-bg); color: #f87171; }
.status-limitado { background: var(--warning-bg); color: #fbbf24; }

/* ─── Formulários e Caixas de Entrada ─── */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: #ffffff;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  outline: none;
  transition: border 0.15s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

/* ─── Caixa de Código / Snippets ─── */
.code-block {
  background: #050811;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  font-family: Consolas, Monaco, "Courier New", monospace;
  font-size: 0.82rem;
  color: #38bdf8;
  overflow-x: auto;
  position: relative;
  margin-top: 10px;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
}

.copy-btn:hover {
  background: var(--primary);
  color: #ffffff;
}

/* ─── Responsividade ─── */
@media (max-width: 900px) {
  .sidebar {
    width: 72px;
  }
  .sidebar .brand-badge-logo span,
  .sidebar .user-profile-card,
  .sidebar .nav-section-label,
  .sidebar .nav-item span,
  .sidebar-footer span {
    display: none;
  }
  .main-wrapper {
    margin-left: 72px;
  }
}