/* Pyrolysis Plant Monitoring Dashboard Styles */
/* Designed for large screen displays with industrial theme */

:root {
  --primary-color: #2c3e50;
  --secondary-color: #34495e;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --danger-color: #e74c3c;
  --info-color: #3498db;
  --background-color: #ecf0f1;
  --card-background: #ffffff;
  --text-color: #2c3e50;
  --border-color: #bdc3c7;
  --shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

/* Dashboard Layout */
.pyrolysis-dashboard {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.dashboard-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
}

.dashboard-header h1 {
  font-size: 2rem;
  font-weight: 700;
}

.dashboard-header i {
  margin-right: 0.5rem;
  color: var(--warning-color);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.plant-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--success-color);
  animation: pulse 2s infinite;
}

.status-indicator.disconnected {
  background-color: var(--danger-color);
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

.current-time {
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  font-weight: 600;
}

/* Navigation */
.dashboard-nav {
  background-color: var(--card-background);
  padding: 0 2rem;
  display: flex;
  gap: 1rem;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.nav-item {
  padding: 1rem 1.5rem;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
}

.nav-item:hover {
  background-color: var(--background-color);
  border-bottom-color: var(--info-color);
}

.nav-item.active {
  background-color: var(--info-color);
  color: white;
  border-bottom-color: var(--info-color);
}

/* Main Dashboard */
.dashboard-main {
  flex: 1;
  padding: 2rem;
  position: relative;
}

.dashboard-section {
  display: none;
}

.dashboard-section.active {
  display: block;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: var(--card-background);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  text-align: center;
  border-left: 4px solid var(--info-color);
}

.metric-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--secondary-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.metric-status {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.metric-status.normal { background: var(--success-color); color: white; }
.metric-status.warning { background: var(--warning-color); color: white; }
.metric-status.alarm { background: var(--danger-color); color: white; }
.metric-status.running { background: var(--info-color); color: white; }

/* Gauges Row */
.gauges-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.gauge-container {
  background: var(--card-background);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  text-align: center;
}

.gauge-container h4 {
  margin-top: 1rem;
  color: var(--secondary-color);
  font-size: 1.1rem;
}

.gauge-container canvas {
  max-width: 100%;
  height: auto;
}

/* Charts Row */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

.chart-container {
  background: var(--card-background);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  height: 400px;
}

.chart-container canvas {
  max-width: 100%;
  max-height: 100%;
}

/* Process Control */
.process-controls {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.control-panel, .batch-control {
  background: var(--card-background);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.control-panel h3, .batch-control h3 {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.parameter-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.parameter-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.parameter-row label {
  min-width: 180px;
  font-weight: 500;
}

.parameter-row input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 1rem;
}

.apply-btn {
  background: var(--success-color);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.apply-btn:hover {
  background: #219a52;
}

.batch-info {
  margin-bottom: 1.5rem;
}

.batch-info p {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.batch-controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-success { background: var(--success-color); color: white; }
.btn-warning { background: var(--warning-color); color: white; }
.btn-danger { background: var(--danger-color); color: white; }

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Quality Control */
.quality-overview {
  background: var(--card-background);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 1.5rem;
}

.quality-card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  position: relative;
}

.quality-card.oil {
  border-left: 4px solid #8e44ad;
}

.quality-card.carbon {
  border-left: 4px solid #34495e;
}

.quality-card h4 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.quality-metrics {
  margin-bottom: 1rem;
}

.metric {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.value.good { color: var(--success-color); font-weight: 600; }
.value.warning { color: var(--warning-color); font-weight: 600; }
.value.fail { color: var(--danger-color); font-weight: 600; }

.quality-status {
  text-align: center;
  padding: 0.5rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
}

.quality-status.passed {
  background: var(--success-color);
  color: white;
}

.quality-status.failed {
  background: var(--danger-color);
  color: white;
}

/* Alarms Panel */
.alarms-panel {
  position: fixed;
  top: 100px;
  right: 20px;
  width: 400px;
  max-height: 500px;
  background: var(--card-background);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
  z-index: 1000;
}

.alarms-panel h3 {
  background: var(--danger-color);
  color: white;
  padding: 1rem;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alarm-list {
  max-height: 400px;
  overflow-y: auto;
  padding: 1rem;
}

.alarm-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  border-radius: 4px;
  border-left: 4px solid var(--info-color);
}

.alarm-item.warning {
  background: rgba(243, 156, 18, 0.1);
  border-left-color: var(--warning-color);
}

.alarm-item.alarm {
  background: rgba(231, 76, 60, 0.1);
  border-left-color: var(--danger-color);
}

.alarm-item.emergency {
  background: rgba(231, 76, 60, 0.2);
  border-left-color: var(--danger-color);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.7; }
}

.alarm-time {
  font-family: 'Courier New', monospace;
  font-weight: 600;
  min-width: 60px;
}

.alarm-message {
  flex: 1;
  font-size: 0.9rem;
}

.acknowledge-btn {
  background: var(--info-color);
  color: white;
  border: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
}

.acknowledge-btn:disabled {
  background: var(--border-color);
  cursor: not-allowed;
}

.no-alarms {
  text-align: center;
  color: var(--success-color);
  font-weight: 600;
  padding: 2rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .charts-row {
    grid-template-columns: 1fr;
  }
  
  .process-controls {
    grid-template-columns: 1fr;
  }
  
  .alarms-panel {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    margin-top: 2rem;
  }
}

@media (max-width: 768px) {
  .dashboard-header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .dashboard-nav {
    flex-wrap: wrap;
    padding: 0 1rem;
  }
  
  .dashboard-main {
    padding: 1rem;
  }
  
  .gauges-row {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

/* Documentation & Commercial Value Section */
.documentation-container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header.commercial {
  background: linear-gradient(135deg, #8e44ad, #3498db);
  margin-bottom: 3rem;
}

.doc-category {
  margin-bottom: 4rem;
}

.doc-category h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  text-align: center;
  border-bottom: 3px solid var(--info-color);
  padding-bottom: 1rem;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.doc-card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  border-left: 4px solid var(--info-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.doc-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.doc-card.primary { border-left-color: #3498db; }
.doc-card.technical { border-left-color: #e67e22; }
.doc-card.api { border-left-color: #27ae60; }
.doc-card.architecture { border-left-color: #8e44ad; }
.doc-card.research { border-left-color: #e74c3c; }
.doc-card.commercial { border-left-color: #f39c12; }

.doc-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.8rem;
  color: white;
  background: linear-gradient(135deg, var(--info-color), var(--primary-color));
}

.doc-card h4 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  font-weight: 700;
}

.doc-card p {
  color: var(--secondary-color);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.doc-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.5rem 0;
  border-top: 1px solid #ecf0f1;
  border-bottom: 1px solid #ecf0f1;
}

.doc-type {
  background: var(--info-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

.doc-status {
  color: var(--success-color);
  font-weight: 600;
  font-size: 0.9rem;
}

.doc-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.doc-features li {
  padding: 0.3rem 0;
  color: var(--text-color);
  font-size: 0.9rem;
  position: relative;
  padding-left: 1.2rem;
}

.doc-features li:before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--info-color);
  font-weight: bold;
}

/* Capabilities Section */
.capabilities-section {
  margin: 4rem 0;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.05), rgba(155, 89, 182, 0.05));
  padding: 3rem 2rem;
  border-radius: 12px;
}

.capabilities-section h3 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.capability-category {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.capability-category h4 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.capability-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.capability-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem;
  border-radius: 6px;
  background: rgba(46, 204, 113, 0.05);
}

.capability-item i {
  color: var(--success-color);
  margin-top: 0.1rem;
  font-size: 0.9rem;
}

.capability-item span {
  color: var(--text-color);
  font-size: 0.95rem;
  line-height: 1.4;
}

/* Specifications Table */
.specifications-table {
  margin: 4rem 0;
}

.specifications-table h3 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--primary-color);
}

.spec-table-container {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.key-specs-table {
  width: 100%;
  border-collapse: collapse;
}

.key-specs-table thead {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

.key-specs-table th,
.key-specs-table td {
  padding: 1rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid #ecf0f1;
}

.key-specs-table th {
  font-weight: 600;
  font-size: 1.1rem;
}

.key-specs-table tbody tr:hover {
  background: rgba(52, 152, 219, 0.05);
}

.performance-excellent {
  background: var(--success-color) !important;
  color: white !important;
  padding: 0.5rem 1rem !important;
  border-radius: 20px !important;
  font-weight: 600 !important;
  text-align: center !important;
}

.performance-good {
  background: var(--info-color) !important;
  color: white !important;
  padding: 0.5rem 1rem !important;
  border-radius: 20px !important;
  font-weight: 600 !important;
  text-align: center !important;
}

/* Commercial Value Section */
.commercial-value {
  margin: 4rem 0;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, rgba(241, 196, 15, 0.1), rgba(230, 126, 34, 0.1));
  border-radius: 12px;
  border: 2px solid var(--warning-color);
}

.commercial-value h3 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
}

.value-category h4 {
  font-size: 1.4rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.value-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.value-item i {
  color: var(--warning-color);
  font-size: 1.5rem;
  margin-top: 0.2rem;
}

.value-item strong {
  color: var(--primary-color);
  display: block;
  margin-bottom: 0.5rem;
}

.value-item p {
  color: var(--secondary-color);
  font-size: 0.9rem;
  line-height: 1.4;
  margin: 0;
}

.benefit-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
}

.benefit-metric {
  background: white;
  padding: 2rem 1rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  border-top: 4px solid var(--info-color);
}

.benefit-metric.primary { border-top-color: var(--info-color); }
.benefit-metric.success { border-top-color: var(--success-color); }
.benefit-metric.warning { border-top-color: var(--warning-color); }

.metric-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.metric-label {
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: 0.25rem;
}

.metric-desc {
  font-size: 0.8rem;
  color: var(--text-color);
  opacity: 0.8;
}

.revenue-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.revenue-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: relative;
}

.revenue-item i {
  color: var(--success-color);
  font-size: 1.5rem;
  margin-top: 0.2rem;
}

.revenue-potential {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--success-color);
  color: white;
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
}

/* Innovation Section */
.innovation-section {
  margin: 4rem 0;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, rgba(142, 68, 173, 0.1), rgba(52, 152, 219, 0.1));
  border-radius: 12px;
}

.innovation-section h3 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.innovation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.innovation-item {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.innovation-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.innovation-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: white;
}

.innovation-icon.edge { background: linear-gradient(135deg, #e74c3c, #c0392b); }
.innovation-icon.industry { background: linear-gradient(135deg, #34495e, #2c3e50); }
.innovation-icon.intelligence { background: linear-gradient(135deg, #9b59b6, #8e44ad); }
.innovation-icon.scalability { background: linear-gradient(135deg, #3498db, #2980b9); }
.innovation-icon.compliance { background: linear-gradient(135deg, #f39c12, #e67e22); }
.innovation-icon.solution { background: linear-gradient(135deg, #27ae60, #229954); }

.innovation-item h4 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: 600;
}

.innovation-item p {
  color: var(--secondary-color);
  line-height: 1.5;
}

/* Call to Action Section */
.cta-section {
  margin: 4rem 0;
  padding: 3rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-radius: 12px;
  text-align: center;
}

.cta-section h3 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  font-weight: 700;
}

.cta-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: center;
  text-align: left;
}

.cta-text h4 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--warning-color);
}

.cta-text p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-features {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta-feature {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.cta-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.cta-stat {
  background: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 8px;
  backdrop-filter: blur(10px);
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--warning-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.9;
}

/* Responsive Design for Documentation */
@media (max-width: 1200px) {
  .doc-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }
  
  .capabilities-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  
  .innovation-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .documentation-container {
    padding: 0 1rem;
  }
  
  .doc-grid {
    grid-template-columns: 1fr;
  }
  
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
  
  .value-grid {
    grid-template-columns: 1fr;
  }
  
  .innovation-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
  
  .cta-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .cta-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .key-specs-table {
    font-size: 0.9rem;
  }
  
  .key-specs-table th,
  .key-specs-table td {
    padding: 0.75rem;
  }
}

/* Technical Data Section */
.technical-data-container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.section-header p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

.spec-category {
  margin-bottom: 4rem;
  background: var(--card-background);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--info-color);
}

.spec-category.safety-critical {
  border-left-color: var(--danger-color);
  background: linear-gradient(135deg, rgba(231, 76, 60, 0.05), rgba(255, 255, 255, 1));
}

.spec-category h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 1rem;
}

.spec-category h3 i {
  color: var(--info-color);
  font-size: 1.5rem;
}

.safety-critical h3 i {
  color: var(--danger-color);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.spec-card {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.spec-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.spec-card.emergency {
  border: 2px solid var(--danger-color);
  background: linear-gradient(135deg, rgba(231, 76, 60, 0.05), rgba(255, 255, 255, 1));
}

.spec-card h4 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  font-weight: 600;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.spec-card.emergency h4 {
  color: var(--danger-color);
  font-weight: 700;
}

.spec-table {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f8f9fa;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-label {
  font-weight: 600;
  color: var(--secondary-color);
  min-width: 150px;
  font-size: 0.9rem;
}

.spec-value {
  color: var(--text-color);
  font-weight: 500;
  text-align: right;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  background: #f8f9fa;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  flex: 1;
  margin-left: 1rem;
}

.emergency .spec-value {
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger-color);
  font-weight: 600;
}

/* Technical Data Responsive Design */
@media (max-width: 1200px) {
  .spec-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .spec-grid {
    grid-template-columns: 1fr;
  }
  
  .spec-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .spec-label {
    min-width: auto;
  }
  
  .spec-value {
    margin-left: 0;
    width: 100%;
    text-align: left;
  }
  
  .section-header {
    padding: 1.5rem;
  }
  
  .section-header h2 {
    font-size: 1.8rem;
  }
  
  .spec-category {
    padding: 1.5rem;
  }
}

/* Print Styles */
@media print {
  .dashboard-nav,
  .alarms-panel,
  .batch-controls,
  .apply-btn {
    display: none !important;
  }
  
  .dashboard-main {
    padding: 0;
  }
  
  .dashboard-section {
    display: block !important;
  }
  
  .spec-card {
    break-inside: avoid;
    margin-bottom: 1rem;
  }
  
  .spec-category {
    break-inside: avoid;
    margin-bottom: 2rem;
  }
}

/* Document Access System Styles */
.doc-actions {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.doc-password {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: 'Courier New', monospace;
  background: #f8f9fa;
  transition: all 0.3s ease;
}

.doc-password:focus {
  outline: none;
  border-color: var(--primary-color);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.doc-access-btn {
  width: 100%;
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, var(--primary-color), #2980b9);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.doc-access-btn:hover {
  background: linear-gradient(135deg, #2980b9, var(--primary-color));
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.doc-access-btn:active {
  transform: translateY(0);
}

.doc-access-btn:disabled {
  background: #95a5a6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.doc-content {
  margin-top: 1rem;
  background: #fff;
  border: 2px solid var(--success-color);
  border-radius: 8px;
  max-height: 500px;
  overflow-y: auto;
}

.doc-content-header {
  background: linear-gradient(135deg, var(--success-color), #27ae60);
  color: white;
  padding: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 6px 6px 0 0;
}

.doc-content-header h5 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.close-doc-btn {
  background: rgba(255,255,255,0.2);
  color: white;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.close-doc-btn:hover {
  background: rgba(255,255,255,0.3);
}

.doc-content-body {
  padding: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-color);
}

.doc-content-body h1 {
  color: var(--primary-color);
  font-size: 1.4rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.doc-content-body h2 {
  color: var(--secondary-color);
  font-size: 1.2rem;
  margin: 1.5rem 0 1rem 0;
}

.doc-content-body h3 {
  color: var(--text-color);
  font-size: 1.1rem;
  margin: 1.2rem 0 0.8rem 0;
}

.doc-content-body ul {
  margin: 1rem 0;
  padding-left: 2rem;
}

.doc-content-body li {
  margin-bottom: 0.5rem;
}

.doc-content-body p {
  margin-bottom: 1rem;
}

.doc-content-body strong {
  color: var(--primary-color);
  font-weight: 600;
}

.doc-content-body em {
  color: var(--secondary-color);
  font-style: italic;
}

.doc-content-footer {
  background: #f8f9fa;
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--border-color);
  color: #666;
  font-size: 0.8rem;
  border-radius: 0 0 6px 6px;
}

.doc-message {
  margin-top: 0.5rem;
  padding: 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
  text-align: center;
}

.doc-message.success {
  background: rgba(46, 204, 113, 0.1);
  color: var(--success-color);
  border: 1px solid rgba(46, 204, 113, 0.2);
}

.doc-message.error {
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger-color);
  border: 1px solid rgba(231, 76, 60, 0.2);
}

/* Document Card Security Indicators */
.doc-card[data-doc-type] {
  position: relative;
}

.doc-card[data-doc-type]::before {
  content: "🔒";
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.2rem;
  opacity: 0.6;
}

.doc-card:has(.doc-content[style*="block"])::before {
  content: "🔓";
  color: var(--success-color);
  opacity: 1;
}

/* Responsive Design for Document System */
@media (max-width: 768px) {
  .doc-content {
    max-height: 400px;
  }
  
  .doc-content-body {
    padding: 1rem;
    font-size: 0.85rem;
  }
  
  .doc-content-header {
    padding: 0.75rem;
  }
  
  .doc-content-header h5 {
    font-size: 1rem;
  }
  
  .close-doc-btn {
    width: 25px;
    height: 25px;
    font-size: 1rem;
  }
}

/* Enhanced Alarm Panel Styles */
.alarms-panel {
  position: fixed;
  top: 120px;
  right: 20px;
  background: rgba(231, 76, 60, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 0;
  border: 2px solid var(--danger-color);
  box-shadow: 0 8px 32px rgba(231, 76, 60, 0.3);
  z-index: 9999;
  min-width: 420px;
  max-width: 500px;
  transition: all 0.3s ease;
}

.alarms-panel.draggable {
  cursor: move;
}

.alarms-panel.dragging {
  opacity: 0.8;
  transform: scale(1.02);
  box-shadow: 0 12px 40px rgba(231, 76, 60, 0.4);
}

.alarm-header {
  background: var(--danger-color);
  color: white;
  padding: 1rem;
  border-radius: 10px 10px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: move;
  user-select: none;
}

.alarm-header h3 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alarm-header h3 i {
  animation: pulse 2s infinite;
  filter: drop-shadow(0 0 5px rgba(255,255,255,0.5));
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

.alarm-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alarm-info-icon {
  font-size: 1.1rem;
  cursor: help;
  opacity: 0.8;
  transition: all 0.3s ease;
}

.alarm-info-icon:hover {
  opacity: 1;
  transform: scale(1.2);
  filter: drop-shadow(0 0 5px rgba(255,255,255,0.8));
}

.drag-handle {
  font-size: 1rem;
  cursor: move;
  opacity: 0.7;
  transition: all 0.3s ease;
}

.drag-handle:hover {
  opacity: 1;
  transform: scale(1.1);
}

.alarm-list {
  background: rgba(255, 255, 255, 0.95);
  padding: 1rem;
  border-radius: 0 0 10px 10px;
  max-height: 300px;
  overflow-y: auto;
}

.alarm-item {
  display: flex;
  align-items: center;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  border-radius: 8px;
  border-left: 4px solid;
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.alarm-item:last-child {
  margin-bottom: 0;
}

.alarm-item:hover {
  transform: translateX(3px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.alarm-item.warning {
  border-left-color: var(--warning-color);
  background: linear-gradient(135deg, rgba(243, 156, 18, 0.05), white);
}

.alarm-item.alarm {
  border-left-color: var(--danger-color);
  background: linear-gradient(135deg, rgba(231, 76, 60, 0.05), white);
}

.alarm-time {
  font-family: 'Courier New', monospace;
  font-weight: 600;
  color: var(--secondary-color);
  font-size: 0.9rem;
  min-width: 50px;
  margin-right: 1rem;
  padding: 0.25rem 0.5rem;
  background: #f8f9fa;
  border-radius: 4px;
}

.alarm-message {
  flex: 1;
  color: var(--text-color);
  font-size: 0.9rem;
  line-height: 1.4;
  margin-right: 1rem;
}

.acknowledge-btn {
  background: linear-gradient(135deg, var(--primary-color), #2980b9);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-width: 50px;
}

.acknowledge-btn:hover {
  background: linear-gradient(135deg, #2980b9, var(--primary-color));
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.acknowledge-btn:active {
  transform: scale(0.98);
}

/* Tooltip Enhancement */
.alarms-panel [title] {
  position: relative;
}

/* Ensure alarm panel stays on top */
.alarms-panel {
  z-index: 10000;
}

/* Mobile responsiveness for alarm panel */
@media (max-width: 768px) {
  .alarms-panel {
    position: fixed;
    top: 80px;
    left: 10px;
    right: 10px;
    min-width: auto;
    max-width: none;
  }
  
  .alarm-header h3 {
    font-size: 1rem;
  }
  
  .alarm-item {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .alarm-time {
    min-width: auto;
    margin-right: 0.5rem;
  }
  
  .alarm-message {
    margin-right: 0.5rem;
    word-break: break-word;
  }
  
  .acknowledge-btn {
    min-width: 60px;
    padding: 0.4rem 0.8rem;
  }
}