/* --------------------------------------------------
   ML AutoSpreadsheet — Folha de Estilos CSS Premium
   Tema: Dark Mode & Glassmorphism
   -------------------------------------------------- */

:root {
  --bg-color: #0b0e14;
  --bg-sidebar: #10141f;
  --bg-card: #151a26;
  --bg-card-hover: #1b2130;
  
  --primary-color: #8b5cf6;
  --primary-glow: rgba(139, 92, 246, 0.4);
  --primary-gradient: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
  
  --success-color: #10b981;
  --success-glow: rgba(16, 185, 129, 0.2);
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.2);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-light: #ffffff;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.5);
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 15px var(--primary-glow);
  
  --font-main: 'Inter', sans-serif;
  --font-logo: 'Outfit', sans-serif;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  height: 100vh;
}

/* Layout Estrutural */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* Sidebar Estilosa */
.sidebar {
  width: 280px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  flex-shrink: 0;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.logo-icon {
  background: var(--primary-gradient);
  color: var(--text-light);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.logo-icon i {
  width: 22px;
  height: 22px;
}

.logo-text h2 {
  font-family: var(--font-logo);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-light);
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff 0%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text span {
  font-family: var(--font-logo);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-fast);
}

.nav-btn i {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.nav-btn:hover {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-light);
}

.nav-btn:hover i {
  transform: translateX(3px);
}

.nav-btn.active {
  background: var(--primary-gradient);
  color: var(--text-light);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.25);
}

.sidebar-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  position: relative;
}

.pulse-dot.red {
  background-color: var(--danger-color);
  box-shadow: 0 0 0 0 var(--danger-glow);
  animation: pulse-red 2s infinite;
}

.pulse-dot.green {
  background-color: var(--success-color);
  box-shadow: 0 0 0 0 var(--success-glow);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-red {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes pulse-green {
  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 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Área de Conteúdo Principal */
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 40px;
  background-image: radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.welcome h1 {
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.welcome p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}

.avatar {
  background-color: rgba(255, 255, 255, 0.05);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

.avatar i {
  width: 16px;
  height: 16px;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Tabs do App */
.tab-content-wrapper {
  flex-grow: 1;
}

.tab-section {
  display: none;
  flex-direction: column;
  gap: 32px;
  animation: fadeIn 0.4s ease;
}

.tab-section.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Grid de Métricas */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.12);
}

.metric-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.metric-icon i {
  width: 24px;
  height: 24px;
}

.metric-icon.purple {
  background-color: rgba(139, 92, 246, 0.1);
  color: var(--primary-color);
}

.metric-icon.green {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.metric-icon.red {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
}

.metric-details {
  display: flex;
  flex-direction: column;
}

.metric-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-details h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-light);
  margin-top: 4px;
}

/* Estrutura de Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h3 {
  font-family: var(--font-logo);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-header h3 i {
  color: var(--primary-color);
  width: 20px;
  height: 20px;
}

.card-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.card-body {
  padding: 24px;
}

/* Grade do Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
}

/* Box de Conexão */
.connection-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px;
}

.connection-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.disconnected .connection-icon {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
}

.connected .connection-icon {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.connection-icon i {
  width: 36px;
  height: 36px;
}

.connection-box h4 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--text-light);
}

.connection-box p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
  max-width: 320px;
}

.connection-actions {
  display: flex;
  gap: 12px;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--text-light);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.5);
  transform: translateY(-1px);
}

.btn-success {
  background-color: var(--success-color);
  color: var(--text-light);
}

.btn-success:hover {
  background-color: #0d9488;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

.btn-danger {
  background-color: var(--danger-color);
  color: var(--text-light);
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.btn-icon:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
}

.btn-icon i {
  width: 18px;
  height: 18px;
}

.btn-block {
  width: 100%;
}

/* Histórico de Logs */
.logs-list-wrapper {
  max-height: 380px;
  overflow-y: auto;
  padding-right: 4px;
}

.logs-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.log-item {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background-color var(--transition-fast);
}

.log-item:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

.log-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.log-badge {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 6px;
}

.log-badge.sucesso {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--success-color);
}

.log-badge.aviso {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--warning-color);
}

.log-badge.erro {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--danger-color);
}

.log-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.log-details {
  font-size: 0.88rem;
  color: var(--text-main);
}

.log-meta-details {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  padding: 8px 12px;
  margin-top: 4px;
  font-family: monospace;
  font-size: 0.78rem;
  color: #a78bfa;
  word-break: break-all;
  white-space: pre-wrap;
}

/* Formulários */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
}

.form-group input, 
.form-group textarea, 
.form-group select {
  background-color: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  padding: 12px 14px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.2);
}

.form-group small {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

/* Variaveis de Template */
.template-variables {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
}

.template-variables span {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-right: 4px;
}

.btn-var {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: #a78bfa;
  font-family: monospace;
  font-size: 0.75rem;
  padding: 4px 8px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-var:hover {
  background-color: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
}

/* Layout de Produtos (Cadastro + Lista) */
.products-tab-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 32px;
}

/* Tabela de Produtos */
.table-responsive {
  overflow-x: auto;
}

.modern-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.modern-table th {
  background-color: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 16px 20px;
}

.modern-table td {
  border-bottom: 1px solid var(--border-color);
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--text-main);
}

.modern-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.01);
}

.product-link-cell {
  color: #60a5fa;
  text-decoration: none;
  font-size: 0.85rem;
  max-width: 220px;
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-link-cell:hover {
  text-decoration: underline;
}

.table-actions {
  display: flex;
  justify-content: center;
  gap: 4px;
}

/* Layout do Simulador */
.simulator-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 32px;
}

.simulation-modes {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.mode-btn {
  flex: 1;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-muted);
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.mode-btn.active {
  background-color: rgba(139, 92, 246, 0.1);
  border-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.15);
}

.warning-text {
  color: var(--warning-color);
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-top: 6px;
}

.warning-text i {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Console de Simulação */
.console-body {
  padding: 0;
  background-color: #06080d;
}

.console-screen {
  height: 400px;
  overflow-y: auto;
  padding: 24px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.console-line {
  line-height: 1.4;
  word-break: break-all;
}

.console-line.system { color: #9ca3af; }
.console-line.input { color: #3b82f6; }
.console-line.success { color: #10b981; }
.console-line.error { color: #ef4444; }
.console-line.warning { color: #f59e0b; }

/* Configurações */
.config-card {
  max-width: 680px;
}

/* Toast de Notificação */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary-color);
  border-radius: 8px;
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  transform: translateY(120%);
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  z-index: 9999;
}

.toast.show {
  transform: translateY(0);
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-light);
  font-size: 0.92rem;
  font-weight: 500;
}

.toast-content i {
  width: 20px;
  height: 20px;
}

.toast.success { border-left-color: var(--success-color); }
.toast.success i { color: var(--success-color); }
.toast.error { border-left-color: var(--danger-color); }
.toast.error i { color: var(--danger-color); }

/* Vazio/Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-muted);
  text-align: center;
  gap: 12px;
}

.empty-state i {
  width: 48px;
  height: 48px;
  color: rgba(255, 255, 255, 0.05);
}

/* Responsividade */
@media (max-width: 1024px) {
  .app-container {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 16px;
    margin-bottom: 0;
  }
  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
    gap: 6px;
    margin: 16px 0;
  }
  .nav-btn {
    padding: 10px 14px;
    font-size: 0.88rem;
    white-space: nowrap;
  }
  .main-content {
    padding: 24px;
  }
  .dashboard-grid, 
  .products-tab-layout, 
  .simulator-layout {
    grid-template-columns: 1fr;
  }
}