/* CSS Variables for Premium Medical Dark/Light Mode Theme */
:root {
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  
  /* Dark Mode Palette (Default) */
  --bg-app: #090d16;
  --bg-sidebar: #0f1524;
  --bg-card: #141c30;
  --bg-card-hover: #1b253f;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --color-primary: #06b6d4; /* Teal/Cyan */
  --color-primary-hover: #0891b2;
  --color-primary-fade: rgba(6, 182, 212, 0.15);
  
  --color-success: #10b981; /* Green */
  --color-success-fade: rgba(16, 185, 129, 0.15);
  
  --color-warning: #f59e0b; /* Amber */
  --color-warning-fade: rgba(245, 158, 11, 0.15);
  
  --color-critical: #ef4444; /* Red */
  --color-critical-fade: rgba(239, 68, 68, 0.15);
  --color-critical-pulse: rgba(239, 68, 68, 0.4);
  
  --color-info: #3b82f6; /* Blue */
  --color-info-fade: rgba(59, 130, 246, 0.15);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.25), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Overrides */
.light-theme {
  --bg-app: #f4f6fa;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f9fafb;
  --border-color: #e5e7eb;
  --border-color-hover: #d1d5db;
  
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  
  --color-primary: #0891b2;
  --color-primary-hover: #0e7490;
  --color-primary-fade: rgba(8, 145, 178, 0.1);
  
  --color-success-fade: rgba(16, 185, 129, 0.1);
  --color-warning-fade: rgba(245, 158, 11, 0.1);
  --color-critical-fade: rgba(239, 68, 68, 0.1);
  --color-info-fade: rgba(59, 130, 246, 0.1);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

/* Base Resets & Layout */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-app);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Scrollbar styles */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Page Toggles & Layout Containers */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* Sidebar Styling */
.app-sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  flex-shrink: 0;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
  z-index: 10;
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  background-color: var(--color-primary-fade);
  color: var(--color-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text h2 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.logo-text span {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 1px;
}

.sidebar-menu {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: none;
  border: 1px solid transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-item i {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.nav-item:hover i {
  color: var(--text-primary);
}

.nav-item.active {
  background-color: var(--color-primary-fade);
  color: var(--color-primary);
  border-color: rgba(6, 182, 212, 0.2);
  font-weight: 600;
}

.nav-item.active i {
  color: var(--color-primary);
}

.badge {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 20px;
}

.badge-critical {
  background-color: var(--color-critical);
  color: #fff;
  animation: pulse-badge 1.5s infinite;
}

.badge-info {
  background-color: var(--color-info-fade);
  color: var(--color-info);
}

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

.conn-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted);
  display: inline-block;
}

.status-dot.online {
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
}

.status-dot.offline {
  background-color: var(--color-critical);
  box-shadow: 0 0 8px var(--color-critical);
}

.status-dot.simulating {
  background-color: var(--color-warning);
  box-shadow: 0 0 8px var(--color-warning);
}

/* Main Layout Area */
.app-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

/* Header Styling */
.app-header {
  height: 80px;
  padding: 0 32px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-sidebar);
  flex-shrink: 0;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-title h1 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.header-title p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 20px;
}

.current-time {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background-color: var(--bg-card);
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.current-time i {
  width: 14px;
  height: 14px;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-color-hover);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 20px;
  border-left: 1px solid var(--border-color);
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-heading);
}

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

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

.profile-role {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Global Notification Banner */
.global-alert-banner {
  background-color: var(--color-critical);
  color: #ffffff;
  padding: 12px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  animation: slide-down 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
  z-index: 100;
}

.global-alert-banner.hidden {
  display: none !important;
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 0.95rem;
}

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

.banner-btn {
  background-color: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  padding: 6px 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
}

.banner-btn:hover {
  background-color: #fff;
  color: var(--color-critical);
}

.banner-close-btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

/* Views Navigation Router */
.content-body {
  flex-grow: 1;
  padding: 32px;
  overflow-y: auto;
  position: relative;
}

.tab-view {
  display: none;
  animation: fade-in 0.3s var(--transition-normal);
  flex-direction: column;
  gap: 24px;
  height: 100%;
}

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

/* Metric Cards Layout */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

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

.metric-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.metric-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 4px;
  color: var(--text-primary);
}

/* Custom Background utilities */
.bg-info-light { background-color: var(--color-info-fade); }
.text-info { color: var(--color-info); }
.bg-warning-light { background-color: var(--color-warning-fade); }
.text-warning { color: var(--color-warning); }
.bg-critical-light { background-color: var(--color-critical-fade); }
.text-critical { color: var(--color-critical); }
.bg-success-light { background-color: var(--color-success-fade); }
.text-success { color: var(--color-success); }

/* Common Section Styles */
.section-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}

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

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

.section-filters {
  display: flex;
  gap: 10px;
}

/* Patient Cards Grid */
.patient-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.patient-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.patient-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--text-muted);
}

.patient-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-md);
}

/* Patient Card Status Colors */
.patient-card.status-normal::before { background-color: var(--color-success); }
.patient-card.status-warning::before { background-color: var(--color-warning); }
.patient-card.status-critical::before { 
  background-color: var(--color-critical);
  animation: pulse-border-side 1.5s infinite;
}
.patient-card.status-offline::before { background-color: var(--text-muted); }

.patient-card.status-critical {
  animation: flash-critical-bg 3s infinite;
  border-color: var(--color-critical-pulse);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.card-patient-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.card-patient-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.status-badge {
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: 20px;
  font-weight: 700;
  text-transform: uppercase;
}

.status-badge.normal { background-color: var(--color-success-fade); color: var(--color-success); }
.status-badge.warning { background-color: var(--color-warning-fade); color: var(--color-warning); }
.status-badge.critical { background-color: var(--color-critical-fade); color: var(--color-critical); }
.status-badge.offline { background-color: rgba(107, 114, 128, 0.1); color: var(--text-secondary); }

.card-body-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

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

.mini-metric .label {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.mini-metric .value {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 2px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.card-footer span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.progress-track {
  width: 100%;
  height: 6px;
  background-color: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: 3px;
  transition: width 0.5s ease-out;
}

.patient-card.status-warning .progress-bar { background-color: var(--color-warning); }
.patient-card.status-critical .progress-bar { background-color: var(--color-critical); }

/* Split View Details Page Layout */
.split-layout {
  display: flex;
  gap: 24px;
  height: calc(100vh - 176px);
  overflow: hidden;
}

.list-panel {
  width: 300px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

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

.panel-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.patient-list-sidebar {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  flex-grow: 1;
}

.patient-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.patient-list-item:hover {
  background-color: var(--bg-card-hover);
}

.patient-list-item.active {
  background-color: var(--color-primary-fade);
  border-color: rgba(6, 182, 212, 0.2);
}

.item-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
}

.item-info p {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.item-badge {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.item-badge.normal { background-color: var(--color-success); }
.item-badge.warning { background-color: var(--color-warning); }
.item-badge.critical { background-color: var(--color-critical); animation: pulse-glow 1.5s infinite; }
.item-badge.offline { background-color: var(--text-muted); }

.details-panel {
  flex-grow: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-right: 4px;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 48px;
  color: var(--text-secondary);
}

.empty-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

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

.patient-profile-summary {
  display: flex;
  align-items: center;
  gap: 16px;
}

.patient-avatar-large {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: var(--color-primary-fade);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

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

.status-badge-lg {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
}

.status-badge-lg.normal { background-color: var(--color-success-fade); color: var(--color-success); }
.status-badge-lg.warning { background-color: var(--color-warning-fade); color: var(--color-warning); }
.status-badge-lg.critical { background-color: var(--color-critical-fade); color: var(--color-critical); animation: pulse-badge-border 1.5s infinite; }
.status-badge-lg.offline { background-color: rgba(107, 114, 128, 0.1); color: var(--text-secondary); }

.details-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
}

.telemetry-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.telemetry-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.telemetry-card h4 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 16px;
}

.chart-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.chart-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.chart-header h4 {
  font-size: 1rem;
  font-weight: 600;
}

.chart-time-filters {
  display: flex;
  gap: 6px;
}

.time-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.time-btn:hover {
  background-color: var(--bg-card-hover);
}

.time-btn.active {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.chart-container {
  height: 280px;
  width: 100%;
  position: relative;
}

/* Circular Progress Gauge Styling */
.gauge-wrapper {
  position: relative;
  width: 150px;
  height: 150px;
  margin: 0 auto 16px;
}

.circular-gauge {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.gauge-bg {
  fill: none;
  stroke: var(--border-color);
  stroke-width: 8;
}

.gauge-fill {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s ease-out, stroke 0.3s ease;
}

.telemetry-col .status-warning .gauge-fill { stroke: var(--color-warning); }
.telemetry-col .status-critical .gauge-fill { stroke: var(--color-critical); }

.gauge-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gauge-text .percentage {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.gauge-text .volume {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: -2px;
}

.gauge-sub {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  margin-top: 16px;
}

.sub-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.time-empty {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 4px;
}

.data-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.data-list li {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 8px;
}

.data-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.data-label {
  color: var(--text-secondary);
}

.data-value {
  font-weight: 600;
}

.font-mono {
  font-family: monospace;
  font-size: 0.85rem;
}

.action-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Dynamic Forms, Inputs, Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary { background-color: var(--color-primary); color: #fff; }
.btn-primary:hover { background-color: var(--color-primary-hover); }
.btn-secondary { background-color: var(--bg-card-hover); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { background-color: var(--border-color); }
.btn-warning { background-color: var(--color-warning); color: #fff; }
.btn-warning:hover { opacity: 0.9; }
.btn-critical { background-color: var(--color-critical); color: #fff; }
.btn-critical:hover { opacity: 0.9; }

.btn-outline-primary {
  background: none;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline-primary:hover {
  background-color: var(--color-primary-fade);
}

.w-100 { width: 100%; }
.mb-2 { margin-bottom: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.px-0 { padding-left: 0; padding-right: 0; }

.form-select, .form-input, .form-textarea {
  width: 100%;
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
  border-color: var(--color-primary);
}

.form-group {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

/* Alert Notification List Styles */
.triggered-alerts-panel {
  border: 1px solid var(--color-critical-pulse);
  border-radius: var(--radius-lg);
  padding: 16px;
  background-color: var(--color-critical-fade);
  margin-bottom: 24px;
}

.triggered-alerts-panel h3 {
  font-size: 0.95rem;
  color: var(--color-critical);
  margin-bottom: 12px;
  font-weight: 700;
}

.triggered-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.triggered-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--color-critical-pulse);
  padding: 12px 16px;
  border-radius: var(--radius-md);
}

.triggered-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.triggered-info i {
  color: var(--color-critical);
  animation: pulse-glow 1s infinite;
}

/* Tables Styling */
.table-container {
  overflow-x: auto;
  margin-top: 12px;
}

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

.data-table th, .data-table td {
  padding: 14px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background-color: var(--bg-sidebar);
  color: var(--text-secondary);
  font-weight: 600;
}

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

.severity-indicator {
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.severity-indicator.warning { color: var(--color-warning); }
.severity-indicator.critical { color: var(--color-critical); }

/* Ticketing System Kanban Styling */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
  height: calc(100vh - 200px);
  overflow: hidden;
}

.kanban-col {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-height: 100%;
  display: flex;
  flex-direction: column;
}

.kanban-col-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kanban-col-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
}

.col-count {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  font-size: 0.75rem;
  border-radius: 12px;
}

.bg-critical-fade { background-color: var(--color-critical-fade); color: var(--color-critical); }
.bg-warning-fade { background-color: var(--color-warning-fade); color: var(--color-warning); }
.bg-success-fade { background-color: var(--color-success-fade); color: var(--color-success); }

.kanban-cards {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  flex-grow: 1;
}

.ticket-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all var(--transition-fast);
}

.ticket-card:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-sm);
}

.ticket-hdr {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 700;
}

.tkt-id { color: var(--color-primary); }
.tkt-priority { text-transform: uppercase; }

.tkt-priority.priority-critical { color: var(--color-critical); }
.tkt-priority.priority-high { color: var(--color-warning); }
.tkt-priority.priority-medium { color: var(--color-info); }
.tkt-priority.priority-low { color: var(--text-muted); }

.ticket-desc {
  font-size: 0.8rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.ticket-meta {
  font-size: 0.7rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ticket-actions {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.tkt-mini-btn {
  padding: 4px 8px;
  font-size: 0.7rem;
  background-color: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tkt-mini-btn:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
}

/* System Health Styles */
.grid-2-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.health-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.health-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.health-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.health-info {
  flex-grow: 1;
}

.health-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
}

.health-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.health-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
}

.health-badge.online { background-color: var(--color-success-fade); color: var(--color-success); }
.health-badge.offline { background-color: var(--color-critical-fade); color: var(--color-critical); }

.device-status-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 500px;
  overflow-y: auto;
  padding-right: 4px;
}

.device-status-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.device-status-hdr {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.device-status-hdr h4 {
  font-size: 0.85rem;
  font-weight: 600;
}

.device-diag-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 10px;
}

.device-diag-item {
  display: flex;
  flex-direction: column;
}

.device-diag-item span {
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.device-diag-item strong {
  font-size: 0.8rem;
  margin-top: 2px;
}

/* IoT Simulator Styling */
.sim-controls-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.sim-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 16px 0;
}

.description-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 12px;
}

.sim-visual-sensor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background-color: var(--bg-app);
  padding: 20px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.drip-animation-container {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Visual Drip Bottle Design */
.sim-bottle {
  width: 50px;
  height: 90px;
  border: 2px solid var(--text-muted);
  border-radius: 4px 4px 16px 16px;
  position: relative;
  background-color: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.sim-fluid {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.2) 0%, rgba(6, 182, 212, 0.6) 100%);
  transition: height 0.3s ease;
}

.sim-drip-nozzle {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 6px;
  background-color: var(--text-muted);
}

.sim-drop {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
}

.sim-clamp-graphic {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.clamp-text {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
}

.clamp-icon i {
  width: 20px;
  height: 20px;
}

.clamp-stopped .clamp-text { color: var(--color-critical); }
.clamp-stopped .clamp-icon i { color: var(--color-critical); animation: rotate-shake 0.5s infinite; }
.clamp-open .clamp-text { color: var(--color-success); }
.clamp-open .clamp-icon i { color: var(--color-success); }

.sensor-readings {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.reading-box {
  display: flex;
  flex-direction: column;
}

.reading-title {
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.reading-value {
  font-family: monospace;
  font-size: 1rem;
  font-weight: 600;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

.slider-badge {
  font-weight: 600;
  color: var(--color-primary);
}

.form-range {
  width: 100%;
  accent-color: var(--color-primary);
  margin-top: 6px;
}

.sim-switches {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-check-input {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-check-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.button-row {
  display: flex;
  gap: 10px;
}

.disabled-fields {
  transition: opacity 0.3s ease;
}

.disabled-fields.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* Modals Setup */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: fade-in 0.2s ease-out;
}

.modal-backdrop.hidden {
  display: none !important;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: slide-up 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-sidebar);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.form-textarea {
  resize: vertical;
}

/* Animations Definitions */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-down {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

@keyframes slide-up {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes pulse-badge {
  0% { transform: translateY(-50%) scale(1); }
  50% { transform: translateY(-50%) scale(1.15); box-shadow: 0 0 8px var(--color-critical); }
  100% { transform: translateY(-50%) scale(1); }
}

@keyframes pulse-badge-border {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  70% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes pulse-border-side {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes flash-critical-bg {
  0%, 100% { background-color: var(--bg-card); }
  50% { background-color: rgba(239, 68, 68, 0.04); }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
  70% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes rotate-shake {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(5deg); }
  75% { transform: rotate(-5deg); }
}

@keyframes drip-fall {
  0% { transform: translate(-50%, 0) scaleY(1); opacity: 1; }
  80% { transform: translate(-50%, 40px) scaleY(1.2); opacity: 1; }
  100% { transform: translate(-50%, 45px) scale(0.8); opacity: 0; }
}

.drip-animating {
  animation: drip-fall 0.8s infinite cubic-bezier(0.5, 0, 0.7, 0.5);
}

.droplet-pulse {
  animation: droplet-glow 2s infinite;
}

@keyframes droplet-glow {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); color: #22d3ee; }
}

/* Responsive Queries */
@media (max-width: 1024px) {
  .details-grid {
    grid-template-columns: 1fr;
  }
  .grid-2-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }
  .app-sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .sidebar-menu {
    flex-direction: row;
    overflow-x: auto;
    padding: 8px;
    height: auto;
  }
  .nav-item {
    padding: 8px 12px;
    white-space: nowrap;
  }
  .nav-item span {
    display: none;
  }
  .badge {
    position: static;
    transform: none;
    margin-left: 4px;
  }
  .app-header {
    padding: 0 16px;
    height: 70px;
  }
  .content-body {
    padding: 16px;
  }
  .split-layout {
    flex-direction: column;
    height: auto;
    overflow: visible;
  }
  .list-panel {
    width: 100%;
    height: 200px;
  }
  .kanban-board {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }
}