/* ==========================================================================
   CanniFill — Industrial Engineering Dark Theme & Unified Portal Stylesheet
   ========================================================================== */

:root {
  /* Color Palette - Industrial Dark Theme */
  --bg-core: #090d16;
  --bg-surface: #0f172a;
  --bg-card: #151e34;
  --bg-card-hover: #1c2742;
  --bg-input: #111827;
  --border-subtle: #1e293b;
  --border-medium: #334155;
  --border-highlight: #475569;

  /* Accents & Signals */
  --cyan: #00f0ff;
  --cyan-dim: rgba(0, 240, 255, 0.12);
  --cyan-glow: rgba(0, 240, 255, 0.35);
  --green: #00e676;
  --green-dim: rgba(0, 230, 118, 0.12);
  --green-glow: rgba(0, 230, 118, 0.3);
  --amber: #ffab00;
  --amber-dim: rgba(255, 171, 0, 0.12);
  --red: #ff1744;
  --red-dim: rgba(255, 23, 68, 0.12);
  --purple: #a855f7;
  --purple-dim: rgba(168, 85, 247, 0.12);
  --blue: #38bdf8;
  --blue-dim: rgba(56, 189, 248, 0.12);

  /* Typography */
  --text-bright: #f8fafc;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Roboto Mono", Menlo, Consolas, monospace;

  /* Elevations & Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-modal: 0 20px 50px rgba(0, 0, 0, 0.85);

  /* Layout Measurements */
  --header-height: 60px;
  --terminal-height: 280px;
}

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

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-core);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: #67e8f9;
  text-decoration: underline;
}

/* ==========================================================================
   Header & Top Navigation Bar
   ========================================================================== */

.portal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 16px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(0, 230, 118, 0.15));
  border: 1px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 0 12px var(--cyan-glow);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-bright);
  line-height: 1.2;
}
.brand-title span {
  color: var(--cyan);
}

.brand-subtitle {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  background-color: var(--bg-input);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.nav-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.nav-tab-btn:hover {
  color: var(--text-bright);
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-tab-btn.active {
  color: var(--cyan);
  background-color: var(--bg-card);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3), inset 0 0 0 1px var(--border-medium);
}

.nav-tab-btn .tab-badge {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  background-color: var(--border-medium);
  color: var(--text-muted);
}
.nav-tab-btn.active .tab-badge {
  background-color: var(--cyan-dim);
  color: var(--cyan);
}

/* Header Live Telemetry & Actions */
.header-telemetry-cluster {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.connection-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.connection-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--red);
  box-shadow: 0 0 6px var(--red);
  transition: all 0.2s ease;
}
.connection-pill.online .connection-dot {
  background-color: var(--green);
  box-shadow: 0 0 6px var(--green);
}
.connection-pill.connecting .connection-dot {
  background-color: var(--amber);
  box-shadow: 0 0 6px var(--amber);
}

.header-state-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--cyan);
  letter-spacing: 0.5px;
}

.header-weight-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-bright);
}

.btn-terminal-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-card);
  color: var(--cyan);
  border: 1px solid var(--border-medium);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-terminal-toggle:hover {
  background-color: var(--cyan-dim);
  border-color: var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow);
}
.btn-terminal-toggle.active {
  background-color: var(--cyan);
  color: var(--bg-core);
  border-color: var(--cyan);
}

/* ==========================================================================
   Main Content Views & Tab Panes
   ========================================================================== */

.portal-main {
  min-height: calc(100vh - var(--header-height));
  padding-bottom: 40px;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.2s ease;
}
.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.container-boxed {
  max-width: 1380px;
  margin: 0 auto;
  padding: 24px 20px;
}

/* Page Header */
.view-header {
  margin-bottom: 24px;
}
.view-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-bright);
  letter-spacing: -0.3px;
  margin-bottom: 6px;
}
.view-subtitle {
  color: var(--text-muted);
  font-size: 14px;
}

/* ==========================================================================
   Module 1: Overview Dashboard
   ========================================================================== */

.overview-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Section Cards */
.card-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.card-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-panel-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Operational Metrics 4-Column Grid */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.metric-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.metric-box:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
}
.metric-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border-medium);
}
.metric-box.accent-cyan::before { background: var(--cyan); }
.metric-box.accent-green::before { background: var(--green); }
.metric-box.accent-purple::before { background: var(--purple); }
.metric-box.accent-amber::before { background: var(--amber); }

.metric-label {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-bright);
  line-height: 1.1;
  margin-bottom: 4px;
}

.metric-sub {
  font-size: 12px;
  color: var(--text-faint);
}

/* Live Telemetry Cards Grid */
.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.telemetry-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
}

.telemetry-card-title {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.telemetry-card-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
}

.telemetry-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
}
.telemetry-badge.state-idle { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; }
.telemetry-badge.state-bulk_fill { background: var(--cyan-dim); color: var(--cyan); }
.telemetry-badge.state-trickle_fill { background: var(--blue-dim); color: var(--blue); }
.telemetry-badge.state-settling { background: var(--purple-dim); color: var(--purple); }
.telemetry-badge.state-complete { background: var(--green-dim); color: var(--green); }
.telemetry-badge.state-error,
.telemetry-badge.state-estop { background: var(--red-dim); color: var(--red); }

/* Progress bar inside telemetry */
.bar-track {
  width: 100%;
  height: 8px;
  background-color: var(--bg-input);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  transition: width 0.15s ease;
}

/* BOM Cost Comparison Panel */
.bom-overview-container {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 20px;
}
@media (max-width: 900px) {
  .bom-overview-container {
    grid-template-columns: 1fr;
  }
}

.bom-summary-card {
  background: linear-gradient(145deg, #18233c, #101827);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bom-totals-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.bom-total-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
}
.bom-total-box.optimized {
  border-color: var(--green);
  background: rgba(0, 230, 118, 0.05);
}

.bom-price {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  color: var(--text-bright);
}
.bom-price.price-opt {
  color: var(--green);
}

.bom-savings-callout {
  background: linear-gradient(135deg, rgba(0, 230, 118, 0.15), rgba(0, 240, 255, 0.1));
  border: 1px solid var(--green);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bom-savings-amount {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 800;
  color: var(--green);
}
.bom-savings-pct {
  font-size: 13px;
  font-weight: 700;
  background-color: var(--green);
  color: var(--bg-core);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

/* Cost Drivers Table */
.cost-drivers-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cost-driver-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.driver-info {
  flex: 1;
}
.driver-title {
  font-weight: 700;
  color: var(--text-bright);
  font-size: 14px;
  margin-bottom: 2px;
}
.driver-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.driver-comparison {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.price-standard {
  color: var(--text-faint);
  text-decoration: line-through;
}
.price-arrow {
  color: var(--cyan);
}
.price-optimized {
  color: var(--green);
  font-weight: 700;
}
.driver-savings-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  background-color: var(--green-dim);
  border: 1px solid rgba(0, 230, 118, 0.3);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Module 2: Parts Catalog & Sourcing Database
   ========================================================================== */

.catalog-controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.catalog-search-wrap {
  position: relative;
  flex: 1;
  min-width: 260px;
}
.catalog-search-input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 8px 14px 8px 36px;
  color: var(--text-bright);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s ease;
}
.catalog-search-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan-dim);
}
.search-icon-pos {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
}

.catalog-filters-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-btn:hover {
  color: var(--text-bright);
  border-color: var(--border-medium);
}
.filter-btn.active {
  background-color: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.part-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  transition: transform 0.15s ease, border-color 0.15s ease;
  position: relative;
}
.part-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-medium);
}

.part-card-top {
  margin-bottom: 12px;
}

.part-card-img-wrap {
  width: 100%;
  height: 140px;
  background-color: #0b111e;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

.part-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.part-card:hover .part-card-img {
  transform: scale(1.05);
}

.part-card-img-badge {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(11, 17, 30, 0.85);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-size: 10px;
  font-weight: 700;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0.85;
  transition: opacity 0.15s ease;
}

.part-card-img-wrap:hover .part-card-img-badge {
  opacity: 1;
  border-color: var(--cyan);
}

.part-photo-preview-wrap {
  width: 100%;
  height: 120px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-part-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.part-id-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-faint);
  background-color: var(--bg-input);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 8px;
}

.part-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 6px;
  line-height: 1.25;
}

.part-category-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}
.cat-electronics {
  background-color: var(--purple-dim);
  color: var(--purple);
  border: 1px solid rgba(168, 85, 247, 0.3);
}
.cat-mechanical {
  background-color: var(--blue-dim);
  color: var(--blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
}
.cat-custom {
  background-color: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid var(--cyan);
}

.part-meta-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  margin-bottom: 16px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 12px;
}

.part-meta-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.part-meta-key {
  color: var(--text-faint);
  font-weight: 600;
}
.part-meta-val {
  color: var(--text-main);
  text-align: right;
}

.part-specs-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.4;
}

.part-role-badge {
  font-size: 11px;
  background-color: rgba(255, 255, 255, 0.04);
  border-left: 3px solid var(--cyan);
  padding: 6px 10px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.part-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  gap: 10px;
}

.part-pricing-cluster {
  display: flex;
  flex-direction: column;
}
.part-price-standard {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-bright);
}
.part-price-optimized {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  font-weight: 600;
}

.btn-inspect-3d {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(0, 240, 255, 0.05));
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-inspect-3d:hover {
  background: var(--cyan);
  color: var(--bg-core);
  box-shadow: 0 0 12px var(--cyan-glow);
}

/* ==========================================================================
   3D Component Inspection Modal
   ========================================================================== */

.modal-backdrop-3d {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(6, 10, 18, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 1;
  transition: opacity 0.2s ease;
}
.modal-backdrop-3d.hidden {
  display: none;
  opacity: 0;
}

.modal-card-3d {
  background-color: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 1080px;
  height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.modal-header-3d {
  height: 56px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background-color: var(--bg-surface);
}

.modal-title-3d {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease;
}
.modal-close-btn:hover {
  color: var(--red);
  background-color: var(--red-dim);
}

.modal-body-3d {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 340px;
  overflow: hidden;
}
@media (max-width: 800px) {
  .modal-body-3d {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 240px;
  }
}

.viewport-3d-container {
  position: relative;
  background-color: #050811;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#part-canvas-container {
  width: 100%;
  height: 100%;
}

.viewport-overlay-controls {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.overlay-btn {
  background-color: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-medium);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: all 0.15s ease;
}
.overlay-btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--cyan);
  border-color: var(--cyan);
}
.overlay-btn.active {
  background-color: var(--cyan);
  color: var(--bg-core);
  border-color: var(--cyan);
}

.part-details-sidebar {
  background-color: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fidelity-registry-box {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(0, 230, 118, 0.08));
  border: 1px solid var(--cyan);
  border-radius: var(--radius-md);
  padding: 12px;
}
.fidelity-title {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 4px;
}
.fidelity-rating {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 800;
  color: var(--green);
}
.fidelity-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================================================
   Module 3: Technical Documentation Reader
   ========================================================================== */

.docs-layout-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 960px) {
  .docs-layout-container {
    grid-template-columns: 1fr;
  }
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-height: calc(100vh - var(--header-height) - 48px);
  overflow-y: auto;
}

.docs-nav-group-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.docs-article-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: none;
}

.doc-nav-item {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}
.doc-nav-item:hover {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-bright);
}
.doc-nav-item.active {
  background-color: var(--cyan-dim);
  color: var(--cyan);
  border-left: 3px solid var(--cyan);
}

.docs-toc-container {
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toc-link {
  font-size: 12px;
  color: var(--text-faint);
  text-decoration: none;
  display: block;
  padding: 3px 0;
  transition: color 0.15s ease;
}
.toc-link:hover {
  color: var(--cyan);
  text-decoration: none;
}
.toc-h2 { padding-left: 8px; }
.toc-h3 { padding-left: 16px; }

.docs-viewer-main {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-card);
}

/* Markdown Typography */
.markdown-body h1 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-bright);
  border-bottom: 1px solid var(--border-medium);
  padding-bottom: 12px;
  margin-bottom: 20px;
}
.markdown-body h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-bright);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
  margin-top: 28px;
  margin-bottom: 16px;
}
.markdown-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  margin-top: 20px;
  margin-bottom: 12px;
}
.markdown-body h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-bright);
  margin-top: 16px;
  margin-bottom: 8px;
}
.markdown-body p {
  margin-bottom: 14px;
  color: var(--text-main);
  line-height: 1.6;
}
.markdown-body ul, .markdown-body ol {
  margin-bottom: 14px;
  padding-left: 24px;
}
.markdown-body li {
  margin-bottom: 6px;
  line-height: 1.5;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 13px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.markdown-body th {
  background-color: var(--bg-surface);
  color: var(--cyan);
  font-weight: 700;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-medium);
}
.markdown-body td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
}
.markdown-body tr:nth-child(even) td {
  background-color: rgba(255, 255, 255, 0.02);
}
.markdown-body tr:hover td {
  background-color: rgba(0, 240, 255, 0.04);
}

.markdown-body code {
  font-family: var(--font-mono);
  font-size: 12px;
  background-color: var(--bg-input);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: #f1f5f9;
  border: 1px solid var(--border-subtle);
}

.markdown-body pre {
  background-color: #060911;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 16px;
  overflow-x: auto;
  margin: 16px 0;
}
.markdown-body pre code {
  background: transparent;
  padding: 0;
  border: none;
  font-size: 12px;
  color: #e2e8f0;
  line-height: 1.5;
}

.markdown-body blockquote {
  border-left: 4px solid var(--cyan);
  background-color: var(--cyan-dim);
  padding: 12px 18px;
  margin: 16px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ==========================================================================
   Module 4 & Shell: 3D Assembly & Console Emulator Shells
   ========================================================================== */

.placeholder-shell-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  max-width: 720px;
  margin: 40px auto;
}
.placeholder-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.placeholder-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-bright);
  margin-bottom: 8px;
}
.placeholder-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Console Emulator Container (Holds 800x480 interface) */
.console-viewport-frame {
  width: 800px;
  height: 480px;
  margin: 0 auto;
  background-color: var(--bg-core);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
  position: relative;
}

/* Console Split Layout (800x480 Touchscreen on left, 3D Twin & Shake Sim on right) */
.console-split-stage {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}

.console-stage-left {
  flex-shrink: 0;
}

.console-stage-right {
  flex: 1;
  min-width: 440px;
  max-width: 600px;
}

.console-twin-card {
  background-color: var(--bg-card);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 480px;
}

.console-twin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background-color: #111726;
  border-bottom: 1px solid var(--border-subtle);
}

.console-twin-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.twin-title-icon {
  font-size: 18px;
}

.twin-title-text {
  display: flex;
  flex-direction: column;
}

.twin-title-main {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-bright);
}

.twin-title-sub {
  font-size: 10px;
  color: var(--text-muted);
}

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

.console-action-btn {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 11px;
  padding: 4px 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.console-action-btn:hover {
  background-color: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
}

.console-action-btn.active {
  background-color: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
}

.console-twin-stage {
  flex: 1;
  position: relative;
  background-color: #080c14;
  overflow: hidden;
}

.console-twin-container {
  width: 100%;
  height: 100%;
  min-height: 360px;
}

.console-twin-legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 10px 14px;
  background-color: #0f1422;
  border-top: 1px solid var(--border-subtle);
}

.twin-hud-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  background-color: var(--bg-card);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.chip-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.chip-label {
  color: var(--text-faint);
}

.chip-value {
  color: var(--text-bright);
  font-weight: 700;
  margin-left: auto;
}

.log-meta-tag {
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 2px;
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  margin-left: 6px;
}

.fsm-tag {
  color: var(--cyan);
  background-color: var(--cyan-dim);
}


/* ==========================================================================
   Diagnostic Terminal Bottom Drawer
   ========================================================================== */

.terminal-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--terminal-height);
  background-color: #070b14;
  border-top: 2px solid var(--border-medium);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.7);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translateY(120%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
}
.terminal-drawer.open {
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}

.terminal-drawer-header {
  height: 40px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}

.terminal-drawer-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-chip {
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}
.terminal-chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.terminal-chip.active {
  background-color: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
}

.terminal-body {
  flex: 1;
  padding: 12px 16px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
}

.terminal-log-row {
  display: flex;
  gap: 10px;
  align-items: baseline;
  white-space: pre-wrap;
  word-break: break-all;
}

.log-ts {
  color: var(--text-faint);
  flex-shrink: 0;
}
.log-sub {
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 90px;
}
.log-level {
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 2px;
  font-size: 10px;
  flex-shrink: 0;
}
.level-debug { color: #94a3b8; background: rgba(148, 163, 184, 0.1); }
.level-info { color: var(--cyan); background: var(--cyan-dim); }
.level-warn { color: var(--amber); background: var(--amber-dim); }
.level-error { color: var(--red); background: var(--red-dim); }
.log-msg { color: #f1f5f9; }

/* ==========================================================================
   3D Digital Twin Assembly Viewer Styles (Milestone 3)
   ========================================================================== */

.twin-badge-cluster {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.twin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-bottom: 16px;
}

.twin-slider-control {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 280px;
  max-width: 480px;
}

.twin-toolbar-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-bright);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.twin-range-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--border-medium);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  transition: background 0.2s;
}

.twin-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow);
  cursor: pointer;
  transition: transform 0.15s, background 0.15s;
}

.twin-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: #ffffff;
}

.twin-slider-val {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  min-width: 44px;
  text-align: right;
}

.twin-actions-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.twin-toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.twin-toolbar-btn:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--cyan);
  color: var(--text-bright);
}

.twin-toolbar-btn.active {
  background-color: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-dim);
}

.twin-stage-wrapper {
  position: relative;
  width: 100%;
  height: 620px;
  min-height: 480px;
  background-color: #2b303a;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}

.twin-canvas-container {
  width: 100%;
  height: 100%;
  position: relative;
}

.twin-canvas-container canvas {
  width: 100% !important;
  height: 100% !important;
  outline: none;
  display: block;
}

.twin-hud-telemetry {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  pointer-events: none;
  z-index: 10;
  font-size: 12px;
  min-width: 190px;
}

.twin-hud-telemetry .hud-title {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--text-faint);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.twin-hud-telemetry .hud-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
}

.twin-hud-telemetry .hud-row:last-child {
  margin-bottom: 0;
}

.twin-hud-telemetry .hud-key {
  color: var(--text-muted);
}

.twin-hud-telemetry .hud-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-bright);
}

.twin-part-info-card {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 290px;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--cyan);
  border-radius: var(--radius-md);
  padding: 14px;
  z-index: 12;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.twin-part-info-card.hidden {
  display: none;
}

@media (max-width: 640px) {
  .twin-part-info-card {
    top: auto;
    bottom: 45px;
    left: 10px;
    right: 10px;
    width: auto;
    max-width: calc(100% - 20px);
    z-index: 25;
  }
}

.info-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
  margin-bottom: 10px;
}

.info-part-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
}

.info-card-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}

.info-card-close:hover {
  color: var(--red);
}

.info-card-body .info-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 6px;
}

.info-card-body .info-label {
  color: var(--text-muted);
}

.info-card-body .info-val {
  color: var(--text-bright);
  font-weight: 600;
  text-align: right;
  max-width: 170px;
}

.twin-viewport-hints {
  position: absolute;
  bottom: 12px;
  left: 14px;
  display: flex;
  gap: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 11px;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 10;
}

.twin-viewport-hints strong {
  color: var(--text-bright);
}

.twin-components-legend {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.legend-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.legend-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-bright);
}

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

.legend-chips-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}

.legend-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 12px;
}

.legend-chip:hover {
  background: var(--bg-card-hover);
  border-color: var(--cyan);
}

.legend-chip.active {
  border-color: var(--cyan);
  background: var(--cyan-dim);
}

.legend-chip-name {
  color: var(--text-main);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-chip-tag {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.tag-petg {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.tag-ots {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .portal-header {
    padding: 0 12px;
  }
  .header-telemetry-cluster {
    display: none;
  }
}

@media (max-width: 800px) {
  .portal-header {
    padding: 0 8px;
    height: auto;
    min-height: var(--header-height);
    flex-wrap: wrap;
  }
  .nav-tabs-group {
    overflow-x: auto;
    max-width: 100%;
    gap: 4px;
  }
  .nav-tab-btn {
    padding: 6px 10px;
    font-size: 12px;
  }
  .header-telemetry-cluster {
    display: none;
  }
  .container-boxed {
    padding: 12px 8px;
  }
  .console-viewport-frame {
    max-width: 100%;
  }
}

/* ==========================================================================
   Slide-Out Interactive 2D Operator Console Drawer (WP2)
   ========================================================================== */

.slideout-emulator-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.slideout-emulator-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.slideout-emulator-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 860px;
  max-width: 95vw;
  height: 100vh;
  background: var(--bg-core);
  border-left: 1px solid var(--border-medium);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.7);
  z-index: 999;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.slideout-emulator-panel.active {
  transform: translateX(0);
}

.emulator-panel-header {
  height: 56px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  flex-shrink: 0;
}

.emulator-panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.emulator-panel-icon {
  font-size: 20px;
}

.emulator-panel-main {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-bright);
}

.emulator-panel-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.emulator-close-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 20px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.emulator-close-btn:hover {
  border-color: var(--red);
  color: var(--red);
  background: var(--red-dim);
}

.emulator-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, #111827 0%, #060913 100%);
}

.btn-emulator-toggle {
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-emulator-toggle:hover {
  background: rgba(0, 240, 255, 0.25);
  box-shadow: 0 0 12px var(--cyan-glow);
}