:root {
  --bg-primary: #f8f9fa;
  --bg-secondary: #ffffff;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --accent-primary: #4361ee;
  --accent-secondary: #3a0ca3;
  --border-color: #dee2e6;
  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
  --success: #11b30b;
  --warning: #d9dd02;
  --danger: #e63946;
}

.dark-theme {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --text-primary: #e9ecef;
  --text-secondary: #adb5bd;
  --border-color: #343a40;
  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: 'Segoe UI', 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: var(--transition);
  padding: 20px;
  min-height: 100vh;
}

.container-fluid {
  max-width: 1800px;
  margin: 0 auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding: 20px;
  background-color: var(--bg-secondary);
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

/* Logo clicável (voltar para página principal) */
#home-logo {
  cursor: pointer;
}

#home-logo h1 {
  display: flex;
  align-items: center;
  gap: 8px;
}

#home-logo:hover h1 {
  opacity: 0.9;
}

.header-left h1 {
  font-size: 1.8rem;
  margin-bottom: 5px;
  color: var(--accent-primary);
}

.header-left p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.header-right {
  display: flex;
  gap: 15px;
  align-items: center;
}

.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  width: 60px;
  height: 30px;
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  background: var(--accent-primary);
  border-radius: 50%;
  transition: var(--transition);
}

.dark-theme .theme-toggle::before {
  transform: translateX(30px);
}

.controls {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-search {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  flex-grow: 1;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.search-box input {
  width: 100%;
  padding: 12px 15px 12px 40px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition);
}

.search-box i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

.filter-select {
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition);
  min-width: 180px;
}

.view-toggle {
  display: flex;
  gap: 10px;
}

.view-btn {
  padding: 10px 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
}

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

.stats-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.stat-card i {
  font-size: 2rem;
  margin-bottom: 15px;
  color: var(--accent-primary);
}

#stat-ok i {
  color: var(--success);
}

#stat-warning i {
  color: var(--warning);
}

#stat-critical i {
  color: var(--danger);
}

.stat-card h3 {
  font-size: 1.8rem;
  margin-bottom: 5px;
}

.stat-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.stat-card-trend {
  font-size: 0.8rem;
  margin-top: 5px;
}

.trend-up {
  color: var(--danger);
}

.trend-down {
  color: var(--success);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  ;
  gap: 20px;
  margin-bottom: 30px;
}

.chart-container {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.chart-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.chart-actions {
  display: flex;
  gap: 10px;
}

.chart-action-btn {
  padding: 5px 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.8rem;
}

.machines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.machine-card {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  /* agora parece “clicável” */
}

.machine-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-header {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
  color: white;
}

.status-badge {
  padding: 5px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

.status-ok {
  background-color: rgba(76, 201, 240, 0.2);
  color: #4cc9f0;
}

.status-warning {
  background-color: rgba(247, 37, 133, 0.2);
  color: #f72585;
}

.status-critical {
  background-color: rgba(230, 57, 70, 0.2);
  color: #e63946;
}

.card-body {
  padding: 20px;
  flex-grow: 1;
}

.info-item {
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.info-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-label i {
  font-size: 0.9rem;
}

.progress-bar {
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  margin-top: 8px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.progress-normal {
  background-color: var(--success);
}

.progress-warning {
  background-color: var(--warning);
}

.progress-danger {
  background-color: var(--danger);
}

.card-footer {
  padding: 15px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.timestamp {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

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

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--bg-primary);
}

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

/* Alertas */
.alerts-panel {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--card-shadow);
  margin-bottom: 30px;
  max-height: 65vh;
  overflow-y: auto;
}

.alert-item {
  padding: 10px 15px;
  margin-bottom: 10px;
  border-radius: 6px;
  border-left: 4px solid;
}

.alert-critical {
  background-color: rgba(230, 57, 70, 0.1);
  border-left-color: var(--danger);
}

.alert-warning {
  background-color: rgba(247, 37, 133, 0.1);
  border-left-color: var(--warning);
}

.alert-info {
  background-color: rgba(76, 201, 240, 0.1);
  border-left-color: var(--success);
}

.alert-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 5px;
}

.alert-title {
  font-weight: 600;
  font-size: 0.9rem;
}

.alert-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.alert-message {
  font-size: 0.85rem;
  color: var(--text-primary);
}

/* Modal de detalhes */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  overflow-y: auto;
  padding: 20px;
}

.modal-content {
  background-color: var(--bg-secondary);
  margin: 2% auto;
  padding: 0;
  border-radius: 12px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 1000px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
  color: white;
  border-radius: 12px 12px 0 0;
}

.modal-header h2 {
  display: flex;
  align-items: center;
  gap: 10px;
}

.close-modal {
  color: white;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}

.close-modal:hover {
  opacity: 0.8;
}

.modal-body {
  padding: 25px;
  max-height: calc(90vh - 140px);
  overflow-y: auto;
}

.detail-content {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 5px;
}

.detail-section {
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  width: 100%;
}

.detail-section h4 {
  margin-bottom: 15px;
  color: var(--accent-primary);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(222px, 1fr));
  gap: 15px;
  margin-bottom: 1rem;
}

.detail-item {
  background-color: var(--bg-primary);
  padding: 15px;
  border-radius: 8px;
}

.detail-item-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 5px;
}

.detail-item-value {
  font-size: 1rem;
  color: var(--text-primary);
}

.sensor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
}

.sensor-item {
  background-color: var(--bg-primary);
  padding: 15px;
  border-radius: 8px;
  box-shadow: var(--card-shadow);
}

.tab-container {
  margin-top: 20px;
}

.tab-buttons {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  color: var(--text-primary);
}

.tab-btn.active {
  border-bottom-color: var(--accent-primary);
  color: var(--accent-primary);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.table-responsive {
  overflow-x: auto;
}

.table {
  color: var(--text-primary);
}

.action-buttons {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.refresh-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 100;
  padding: 15px;
  background-color: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.refresh-btn:hover {
  background-color: var(--accent-secondary);
  transform: rotate(90deg);
}

.loading {
  text-align: center;
  padding: 40px;
  font-style: italic;
  color: var(--text-secondary);
  grid-column: 1 / -1;
}

.error {
  color: var(--danger);
  font-weight: 600;
  grid-column: 1 / -1;
  text-align: center;
  padding: 30px;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 15px;
  color: var(--border-color);
}

.export-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .machines-grid {
    grid-template-columns: 1fr;
  }

  .stats-cards {
    grid-template-columns: 1fr;
  }

  header {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }

  .header-right {
    justify-content: center;
  }

  .filter-search {
    flex-direction: column;
  }

  .modal-content {
    width: 95%;
    margin: 5% auto;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}