/* ==========================================================================
   Virtual Instrumentation Labs | Bellows Pressure Sensing Element Simulator
   Design System, Blueprint Visualizations & Responsive UI Layout
   ========================================================================== */

:root {
  /* Color Palette - Technical Laboratory Theme */
  --bg-main: #0f172a;
  --bg-panel: #1e293b;
  --bg-card: #090d16;
  --bg-input: #1e293b;
  
  --primary-navy: #0f172a;
  --primary-blue: #0284c7;
  --primary-blue-hover: #0369a1;
  --accent-cyan: #38bdf8;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --metal-bronze: #fbbf24;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #64748b;
  
  --border-light: #334155;
  --border-glow: #0284c7;
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.7);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   1. HEADER BAR
   ========================================================================== */
.lab-header {
  background: linear-gradient(135deg, #090d16 0%, #0f172a 100%);
  color: #ffffff;
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid var(--primary-blue);
  box-shadow: var(--shadow-md);
  flex-wrap: wrap;
  gap: 16px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  width: 48px;
  height: 48px;
  background: rgba(2, 132, 199, 0.15);
  border: 2px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
}

.brand-title h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-vlab {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  font-size: 10px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 20px;
  letter-spacing: 1px;
}

.subtitle {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

.experiment-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.meta-val {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.status-badge {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.8);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border-light);
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.status-dot.idle {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.status-dot.active {
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulseDot 1s infinite alternate;
}

@keyframes pulseDot {
  from { opacity: 0.5; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1.15); }
}

/* ==========================================================================
   2. MAIN CONTAINER & SPLIT LAYOUT
   ========================================================================== */
.lab-container {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 20px;
  padding: 20px 24px;
  flex: 1;
}

@media (max-width: 1100px) {
  .lab-container {
    grid-template-columns: 1fr;
  }
}

.lab-panel {
  background: var(--bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  background: rgba(15, 23, 42, 0.6);
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-header h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-header h2 i {
  color: var(--accent-cyan);
}

.view-controls {
  display: flex;
  gap: 8px;
}

/* Buttons */
.btn {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-sm {
  padding: 6px 10px;
  font-size: 11px;
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: #334155;
  border-color: var(--accent-cyan);
}

.btn-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.btn-warning:hover {
  background: rgba(245, 158, 11, 0.3);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-hover) 100%);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #ffffff;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* ==========================================================================
   3. SVG CANVAS WRAPPER & VISUALIZATION
   ========================================================================== */
.canvas-wrapper {
  position: relative;
  width: 100%;
  background: var(--bg-card);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
  border-bottom: 1px solid var(--border-light);
}

.svg-grid-bg {
  display: none !important;
  background-image: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
}

#bellowsSvg {
  width: 100%;
  height: auto;
  max-height: 520px;
  z-index: 1;
}

/* Signal Chain Flow */
.signal-chain-container {
  background: rgba(15, 23, 42, 0.8);
  padding: 14px 20px;
  border-top: 1px solid var(--border-light);
}

.chain-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chain-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.chain-step {
  flex: 1;
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  text-align: center;
  transition: all 0.3s ease;
}

.chain-step.active {
  border-color: var(--accent-cyan);
  background: rgba(2, 132, 199, 0.15);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

.step-icon {
  font-size: 16px;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.step-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.step-val {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-main);
  margin-top: 2px;
}

.chain-arrow {
  color: var(--text-muted);
  font-size: 14px;
}

/* ==========================================================================
   4. CONTROL PANEL & GAUGES
   ========================================================================== */
.panel-controls {
  padding: 16px;
  gap: 14px;
}

/* Mode Selection Tabs */
.mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mode-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 8px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.2s ease;
}

.mode-tab:hover {
  border-color: var(--accent-cyan);
  color: var(--text-main);
}

.mode-tab.active {
  background: rgba(2, 132, 199, 0.2);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.2);
}

.mode-tab i {
  font-size: 16px;
  margin-bottom: 4px;
}

.mode-tab span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.mode-tab small {
  font-size: 9px;
  opacity: 0.8;
}

.mode-banner {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.mode-banner i {
  color: var(--accent-cyan);
  margin-top: 2px;
}

.mode-banner strong {
  color: var(--text-main);
}

/* Control Cards */
.control-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px;
}

.control-card.highlight-card {
  border-color: rgba(2, 132, 199, 0.4);
  box-shadow: 0 0 15px rgba(2, 132, 199, 0.1);
}

.card-header {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-header i {
  color: var(--accent-cyan);
}

/* Range Selector Buttons */
.range-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.btn-range {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-range:hover {
  border-color: var(--accent-cyan);
  color: var(--text-main);
}

.btn-range.active {
  background: var(--primary-blue);
  color: #ffffff;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.4);
}

/* Pressure Inputs */
.pressure-input-row {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
}

.slider-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #1e293b;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-cyan);
  border: 2px solid #ffffff;
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-cyan);
  border: 2px solid #ffffff;
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-dark);
}

.num-input-box {
  display: flex;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
}

.num-input-box input[type="number"] {
  width: 70px;
  background: transparent;
  border: none;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  text-align: right;
  outline: none;
}

.unit-tag {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  margin-left: 4px;
}

/* Preset Buttons */
.preset-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.preset-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-dark);
}

.btn-preset {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-preset:hover {
  border-color: var(--accent-cyan);
  color: var(--text-main);
}

.btn-preset.active {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 700;
}

.hidden {
  display: none !important;
}

.mode3-panel {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
}

.mode3-btn-group {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

/* Gauges Container */
.gauges-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.gauge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gauge-header {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.gauge-canvas-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
}

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

.gauge-readout {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 2px;
}

.gauge-readout small {
  font-size: 11px;
  color: var(--text-muted);
}

/* Telemetry Grid Panel */
.telemetry-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px;
}

.telemetry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.t-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

.t-label {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.t-val {
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-main);
  margin-top: 2px;
}

.highlight-blue { color: var(--accent-cyan); }
.highlight-green { color: var(--accent-emerald); }
.highlight-cyan { color: #38bdf8; }

/* ==========================================================================
   5. LOWER WORKSPACE: GRAPH & OBSERVATION TABLE
   ========================================================================== */
.lab-lower-workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 0 24px 20px 24px;
}

@media (max-width: 1024px) {
  .lab-lower-workspace {
    grid-template-columns: 1fr;
  }
}

.lower-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.card-header-bar h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-header-bar h3 i {
  color: var(--accent-cyan);
}

.card-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

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

.table-actions {
  display: flex;
  gap: 8px;
}

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

th {
  background: #0f172a;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid #1e293b;
  font-family: var(--font-mono);
  color: var(--text-main);
}

tr:nth-child(even) {
  background: rgba(30, 41, 59, 0.4);
}

tr.empty-row td {
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-sans);
  padding: 24px;
}

/* ==========================================================================
   6. EDUCATIONAL PROCEDURE & THEORY
   ========================================================================== */
.lab-educational-section {
  padding: 0 24px 28px 24px;
}

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

@media (max-width: 1024px) {
  .edu-grid {
    grid-template-columns: 1fr;
  }
}

.edu-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-md);
}

.edu-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 10px;
}

.edu-card h3 i {
  color: var(--accent-cyan);
}

.procedure-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

.step-item input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--accent-cyan);
  width: 16px;
  height: 16px;
}

.step-item span strong {
  color: var(--text-main);
}

.theory-content h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin: 14px 0 6px 0;
}

.theory-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

.theory-content ul {
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.theory-content li {
  margin-bottom: 4px;
}

.formula-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-amber);
  margin: 10px 0;
}

.alert-box {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-top: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 12px;
}

.alert-important {
  border: 1px solid rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.08);
}

.alert-important i {
  color: var(--accent-red);
  font-size: 18px;
  margin-top: 2px;
}

.alert-important strong {
  color: var(--accent-red);
}

.alert-important p {
  margin-top: 4px;
  margin-bottom: 0;
}

/* Footer */
.lab-footer {
  background: #090d16;
  border-top: 1px solid var(--border-light);
  padding: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--text-dark);
}

/* ==========================================================================
   DUAL THEME ENGINE & BELLOWS VISUAL CONTRAST (LIGHT & DARK)
   ========================================================================== */

/* Universal grid lines removal for both white and black themes */
.svg-grid-bg {
  display: none !important;
  background-image: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
}

/* Light Theme (White Mode) */
html[data-theme="light"],
html.light,
html:not([data-theme="dark"]) {
  --bg-main: #f8fafc;
  --bg-panel: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #f1f5f9;
  --primary-navy: #0f172a;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dark: #64748b;
  --border-light: #cbd5e1;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.1);
}

html[data-theme="light"] body,
html.light body,
html:not([data-theme="dark"]) body {
  background-color: #f8fafc !important;
  color: #0f172a !important;
}

html[data-theme="light"] .lab-header,
html.light .lab-header,
html:not([data-theme="dark"]) .lab-header {
  background: #ffffff !important;
  color: #0f172a !important;
  border-bottom: 3px solid #0284c7 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
}

html[data-theme="light"] .brand-title h1,
html.light .brand-title h1,
html:not([data-theme="dark"]) .brand-title h1 {
  color: #0f172a !important;
}

html[data-theme="light"] .brand-title .subtitle,
html.light .brand-title .subtitle,
html:not([data-theme="dark"]) .brand-title .subtitle {
  color: #64748b !important;
}

html[data-theme="light"] .meta-val,
html.light .meta-val,
html:not([data-theme="dark"]) .meta-val {
  color: #0f172a !important;
}

html[data-theme="light"] .meta-label,
html.light .meta-label,
html:not([data-theme="dark"]) .meta-label {
  color: #64748b !important;
}

html[data-theme="light"] .canvas-wrapper,
html.light .canvas-wrapper,
html:not([data-theme="dark"]) .canvas-wrapper {
  background-color: #ffffff !important;
  border-color: #cbd5e1 !important;
  box-shadow: none !important;
}

/* Bellows SVG Elements in Light Mode */
html[data-theme="light"] .svg-chamber-cavity,
html.light .svg-chamber-cavity,
html:not([data-theme="dark"]) .svg-chamber-cavity,
html[data-theme="light"] #bellowsCavity,
html.light #bellowsCavity,
html:not([data-theme="dark"]) #bellowsCavity {
  fill: #f1f5f9 !important;
  stroke: #cbd5e1 !important;
}

/* Callout Badges in Light Mode */
html[data-theme="light"] .callout rect,
html.light .callout rect,
html:not([data-theme="dark"]) .callout rect,
html[data-theme="light"] .svg-callout-bg,
html.light .svg-callout-bg,
html:not([data-theme="dark"]) .svg-callout-bg {
  fill: #ffffff !important;
  stroke: #94a3b8 !important;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.08)) !important;
}

html[data-theme="light"] .callout text,
html.light .callout text,
html:not([data-theme="dark"]) .callout text,
html[data-theme="light"] .svg-callout-text,
html.light .svg-callout-text,
html:not([data-theme="dark"]) .svg-callout-text {
  fill: #0f172a !important;
}

/* Specific Callout Text Accent Highlights in Light Mode */
html[data-theme="light"] .callout:nth-of-type(1) text { fill: #0284c7 !important; }
html[data-theme="light"] .callout:nth-of-type(3) text { fill: #b45309 !important; }
html[data-theme="light"] .callout:nth-of-type(6) text { fill: #475569 !important; }

/* Position Badges in Light Mode */
html[data-theme="light"] .svg-badge-zero,
html.light .svg-badge-zero,
html:not([data-theme="dark"]) .svg-badge-zero,
html[data-theme="light"] #zeroPosBadge,
html.light #zeroPosBadge,
html:not([data-theme="dark"]) #zeroPosBadge {
  fill: #ecfdf5 !important;
  stroke: #10b981 !important;
}

html[data-theme="light"] .svg-badge-zero-text,
html.light .svg-badge-zero-text,
html:not([data-theme="dark"]) .svg-badge-zero-text,
html[data-theme="light"] #zeroPosText,
html.light #zeroPosText,
html:not([data-theme="dark"]) #zeroPosText {
  fill: #065f46 !important;
}

html[data-theme="light"] .svg-badge-current,
html.light .svg-badge-current,
html:not([data-theme="dark"]) .svg-badge-current,
html[data-theme="light"] #currentPosBadge,
html.light #currentPosBadge,
html:not([data-theme="dark"]) #currentPosBadge {
  fill: #f0f9ff !important;
  stroke: #0284c7 !important;
}

html[data-theme="light"] .svg-badge-current-text,
html.light .svg-badge-current-text,
html:not([data-theme="dark"]) .svg-badge-current-text,
html[data-theme="light"] #txtCurrentPosHeader,
html.light #txtCurrentPosHeader,
html:not([data-theme="dark"]) #txtCurrentPosHeader {
  fill: #0369a1 !important;
}

/* Displacement Scale in Light Mode */
html[data-theme="light"] .svg-scale-plate,
html.light .svg-scale-plate,
html:not([data-theme="dark"]) .svg-scale-plate,
html[data-theme="light"] #scalePlate,
html.light #scalePlate,
html:not([data-theme="dark"]) #scalePlate {
  fill: #ffffff !important;
  stroke: #cbd5e1 !important;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.08)) !important;
}

html[data-theme="light"] .svg-scale-title,
html.light .svg-scale-title,
html:not([data-theme="dark"]) .svg-scale-title,
html[data-theme="light"] #scaleTitle,
html.light #scaleTitle,
html:not([data-theme="dark"]) #scaleTitle {
  fill: #475569 !important;
}

html[data-theme="light"] .svg-scale-baseline,
html.light .svg-scale-baseline,
html:not([data-theme="dark"]) .svg-scale-baseline,
html[data-theme="light"] #scaleBaseline,
html.light #scaleBaseline,
html:not([data-theme="dark"]) #scaleBaseline {
  stroke: #94a3b8 !important;
}

html[data-theme="light"] #scaleRulerGroup text:not([fill="#10b981"]):not([fill="#ef4444"]),
html.light #scaleRulerGroup text:not([fill="#10b981"]):not([fill="#ef4444"]),
html:not([data-theme="dark"]) #scaleRulerGroup text:not([fill="#10b981"]):not([fill="#ef4444"]) {
  fill: #0f172a !important;
}

html[data-theme="light"] #scaleRulerGroup line:not([stroke="#10b981"]):not([stroke="#ef4444"]),
html.light #scaleRulerGroup line:not([stroke="#10b981"]):not([stroke="#ef4444"]),
html:not([data-theme="dark"]) #scaleRulerGroup line:not([stroke="#10b981"]):not([stroke="#ef4444"]) {
  stroke: #64748b !important;
}

/* Mechanical Signal Chain in Light Mode */
html[data-theme="light"] .signal-chain-container,
html.light .signal-chain-container,
html:not([data-theme="dark"]) .signal-chain-container {
  background: #f8fafc !important;
  border-top: 1px solid #e2e8f0 !important;
}

html[data-theme="light"] .chain-title,
html.light .chain-title,
html:not([data-theme="dark"]) .chain-title {
  color: #475569 !important;
}

html[data-theme="light"] .chain-step,
html.light .chain-step,
html:not([data-theme="dark"]) .chain-step {
  background: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05) !important;
}

html[data-theme="light"] .chain-step.active,
html.light .chain-step.active,
html:not([data-theme="dark"]) .chain-step.active {
  background: #eff6ff !important;
  border-color: #3b82f6 !important;
}

html[data-theme="light"] .step-label,
html.light .step-label,
html:not([data-theme="dark"]) .step-label {
  color: #475569 !important;
}

html[data-theme="light"] .step-val,
html.light .step-val,
html:not([data-theme="dark"]) .step-val {
  color: #0f172a !important;
}

/* Mode Banner in Light Mode */
html[data-theme="light"] .mode-banner,
html.light .mode-banner,
html:not([data-theme="dark"]) .mode-banner {
  background: #f0f9ff !important;
  border: 1px solid #bae6fd !important;
  border-left: 4px solid #0284c7 !important;
  color: #334155 !important;
}

html[data-theme="light"] .mode-banner i,
html.light .mode-banner i,
html:not([data-theme="dark"]) .mode-banner i {
  color: #0284c7 !important;
}

html[data-theme="light"] .mode-banner strong,
html.light .mode-banner strong,
html:not([data-theme="dark"]) .mode-banner strong {
  color: #0f172a !important;
}

/* Control Cards, Telemetry & Gauges in Light Mode */
html[data-theme="light"] .control-card,
html.light .control-card,
html:not([data-theme="dark"]) .control-card,
html[data-theme="light"] .gauge-card,
html.light .gauge-card,
html:not([data-theme="dark"]) .gauge-card,
html[data-theme="light"] .t-card,
html.light .t-card,
html:not([data-theme="dark"]) .t-card {
  background: #ffffff !important;
  border-color: #e2e8f0 !important;
}

html[data-theme="light"] .t-val,
html.light .t-val,
html:not([data-theme="dark"]) .t-val,
html[data-theme="light"] .gauge-readout,
html.light .gauge-readout,
html:not([data-theme="dark"]) .gauge-readout {
  color: #0f172a !important;
}

html[data-theme="light"] .gauge-header,
html.light .gauge-header,
html:not([data-theme="dark"]) .gauge-header,
html[data-theme="light"] .t-label,
html.light .t-label,
html:not([data-theme="dark"]) .t-label {
  color: #64748b !important;
}

html[data-theme="light"] .lab-footer,
html.light .lab-footer,
html:not([data-theme="dark"]) .lab-footer {
  background: #f1f5f9 !important;
  color: #64748b !important;
  border-top: 1px solid #cbd5e1 !important;
}

/* Dark Theme Overrides for Scale and Cavity */
html[data-theme="dark"] .svg-chamber-cavity,
html.dark .svg-chamber-cavity {
  fill: #090d16 !important;
  stroke: #1e293b !important;
}

html[data-theme="dark"] .callout rect,
html.dark .callout rect {
  fill: #0f172a !important;
  stroke: #334155 !important;
}

html[data-theme="dark"] .svg-scale-plate,
html.dark .svg-scale-plate {
  fill: #0f172a !important;
  stroke: #334155 !important;
}