/* ReplaySims Workbench CSS - Zero Backend Interactive UX Prototype */
:root {
  --bg-main: #020b0c;
  --bg-surface: #061619;
  --bg-card: #0b2226;
  --bg-card-hover: #102e33;
  --border: #153940;
  --border-focus: #86ecc0;
  --text-main: #eaffef;
  --text-muted: #8faaa0;
  --text-dim: #547269;
  --accent-mint: #86ecc0;
  --accent-cyan: #3dd6c5;
  --accent-amber: #f5a623;
  --accent-red: #ff5c5c;
  --accent-blue: #4a90e2;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
}

/* App Shell Layout */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header & Navigation Bar */
.topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  z-index: 100;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-badge {
  background: #0d3831;
  color: var(--accent-mint);
  border: 1px solid var(--accent-mint);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.brand-title span {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 13px;
  margin-left: 0.4rem;
}

/* Stage Navigation Tabs */
.stage-rail {
  display: flex;
  gap: 0.4rem;
  background: var(--bg-main);
  padding: 0.3rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.stage-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.45rem 0.9rem;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.15s ease;
}

.stage-tab:hover {
  color: var(--text-main);
  background: #082124;
}

.stage-tab.active {
  background: var(--accent-mint);
  color: #021a14;
}

.stage-tab span.num {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.7;
}

/* Scenario & Review Controls */
.top-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.scenario-select {
  background: #082124;
  color: var(--accent-mint);
  border: 1px solid var(--border);
  padding: 0.45rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 11px;
  border-radius: 4px;
  cursor: pointer;
  outline: none;
}

.scenario-select:focus {
  border-color: var(--accent-mint);
}

.btn-drawer-toggle {
  background: #10343a;
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 0.45rem 0.8rem;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-drawer-toggle:hover {
  border-color: var(--accent-mint);
}

/* Main Workspace Viewport */
.main-viewport {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  position: relative;
}

.screen-view {
  display: none;
  max-width: 1400px;
  margin: 0 auto;
}

.screen-view.active {
  display: block;
}

/* Screen Headers */
.screen-header {
  margin-bottom: 1.5rem;
}

.screen-eyebrow {
  color: var(--accent-mint);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.screen-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.screen-desc {
  color: var(--text-muted);
  font-size: 13px;
  max-width: 850px;
  margin-top: 0.3rem;
}

/* Grids & Cards */
.grid-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
}

.metric-label {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-mono);
}

.metric-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent-mint);
  margin-top: 0.2rem;
  font-family: var(--font-mono);
}

.metric-sub {
  color: var(--text-dim);
  font-size: 11px;
  margin-top: 0.2rem;
}

/* Content Panels */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.panel-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  letter-spacing: 0.3px;
}

.badge-green {
  background: rgba(134, 236, 192, 0.15);
  color: var(--accent-mint);
  border: 1px solid rgba(134, 236, 192, 0.4);
}

.badge-blue {
  background: rgba(74, 144, 226, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(74, 144, 226, 0.4);
}

.badge-amber {
  background: rgba(245, 166, 35, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 166, 35, 0.4);
}

.badge-red {
  background: rgba(255, 92, 92, 0.15);
  color: var(--accent-red);
  border: 1px solid rgba(255, 92, 92, 0.4);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table th {
  background: #041012;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid #0b2226;
}

.data-table tr:hover td {
  background: rgba(16, 46, 51, 0.4);
}

/* Card Grids for Sources */
.source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.source-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.source-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-mint);
  transform: translateY(-2px);
}

.source-card.selected {
  border-color: var(--accent-mint);
  box-shadow: 0 0 12px rgba(134, 236, 192, 0.2);
}

.source-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.source-card-title {
  font-size: 15px;
  font-weight: 700;
}

.source-card-repo {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  margin-bottom: 0.75rem;
  word-break: break-all;
}

.source-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 0.6rem;
  margin-top: 0.6rem;
}

/* Split Views */
.split-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* 3D Replay Studio Container */
.replay-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

.viewport-box {
  background: #010607;
  border: 1px solid var(--border);
  border-radius: 6px;
  height: 480px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.viewport-canvas {
  width: 100%;
  height: 100%;
}

.viewport-overlay {
  position: absolute;
  top: 1rem;
  left: 1rem;
  pointer-events: none;
}

.viewport-camera-controls {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.4rem;
  z-index: 10;
}

.btn-cam {
  background: rgba(6, 22, 25, 0.85);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 0.3rem 0.6rem;
  font-size: 11px;
  font-family: var(--font-mono);
  border-radius: 4px;
  cursor: pointer;
  backdrop-filter: blur(4px);
}

.btn-cam:hover, .btn-cam.active {
  background: var(--accent-mint);
  color: #021a14;
}

/* Scrubber & Controls */
.timeline-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-play {
  background: var(--accent-mint);
  color: #021a14;
  border: none;
  font-weight: 700;
  font-size: 12px;
  padding: 0.45rem 1rem;
  border-radius: 4px;
  cursor: pointer;
}

.timeline-slider {
  flex: 1;
  accent-color: var(--accent-mint);
  cursor: pointer;
}

.timeline-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* Machine Transfer Simulator */
.transfer-progress-box {
  background: #010708;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  margin-top: 1rem;
}

.progress-track {
  height: 12px;
  background: #0a2024;
  border-radius: 6px;
  overflow: hidden;
  margin: 1rem 0;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-mint), var(--accent-cyan));
  width: 0%;
  transition: width 0.2s ease;
}

.transfer-controls {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Feedback Drawer (Collapsible) */
.feedback-drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: 400px;
  height: 100vh;
  background: #051417;
  border-left: 1px solid var(--border);
  box-shadow: -10px 0 25px rgba(0,0,0,0.7);
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 200;
  display: flex;
  flex-direction: column;
}

.feedback-drawer.open {
  right: 0;
}

.drawer-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-mint);
}

.btn-close-drawer {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}

.drawer-body {
  padding: 1.25rem;
  flex: 1;
  overflow-y: auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
}

.rating-group {
  display: flex;
  gap: 0.4rem;
}

.rating-btn {
  flex: 1;
  background: #0a2327;
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 0.4rem;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
}

.rating-btn.selected {
  background: var(--accent-mint);
  color: #021a14;
  border-color: var(--accent-mint);
}

.feedback-textarea {
  width: 100%;
  background: #020b0c;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 0.6rem;
  resize: vertical;
  min-height: 80px;
}

.feedback-textarea:focus {
  border-color: var(--accent-mint);
  outline: none;
}

.drawer-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-mint);
  color: #021a14;
  border: none;
  padding: 0.55rem 1rem;
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  flex: 1;
}

.btn-primary:hover {
  background: #9effd3;
}

.btn-secondary {
  background: #0a252a;
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 0.55rem 1rem;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
}

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

/* Code & JSON Display */
pre.code-block {
  background: #010607;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.8rem;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #92e0be;
  overflow-x: auto;
  max-height: 280px;
}

/* Topbar Engine Toggle Button */
.btn-engine-toggle {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: #061f22;
  border: 1px solid #134e4a;
  color: #92e0be;
  font-size: 11px;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-engine-toggle:hover {
  background: #0d2f33;
  border-color: var(--accent-mint);
}

.btn-engine-toggle.active {
  border-color: var(--accent-mint);
  color: #eaffef;
}

.engine-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 6px var(--accent-mint);
  display: inline-block;
}

/* Engine Proximity Dock */
.engine-dock {
  margin-top: 1.5rem;
  background: #031114;
  border: 1px solid #144046;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.engine-dock.hidden {
  display: none;
}

.engine-dock-header {
  padding: 0.75rem 1rem;
  background: #06191c;
  border-bottom: 1px solid #144046;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.engine-dock-title-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.engine-dock-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  background: rgba(134, 236, 192, 0.15);
  color: var(--accent-mint);
  border: 1px solid rgba(134, 236, 192, 0.3);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.engine-dock-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.3px;
}

.engine-dock-nav {
  display: flex;
  gap: 0.25rem;
  background: #020b0c;
  padding: 0.2rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.engine-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}

.engine-tab-btn:hover {
  color: var(--text-main);
}

.engine-tab-btn.active {
  background: #092e33;
  color: var(--accent-mint);
  font-weight: 700;
}

.engine-dock-actions {
  display: flex;
  gap: 0.4rem;
}

.btn-dock-action {
  background: #05191c;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.btn-dock-action:hover {
  color: var(--accent-mint);
  border-color: var(--accent-mint);
}

.engine-dock-body {
  padding: 1rem;
}

.engine-pane {
  display: none;
}

.engine-pane.active {
  display: block;
}

.engine-code-container {
  position: relative;
}

.engine-copy-float {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(8, 30, 33, 0.85);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 10px;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  cursor: pointer;
  z-index: 5;
}

.engine-copy-float:hover {
  color: var(--accent-mint);
  border-color: var(--accent-mint);
}

.engine-endpoint-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #02090a;
  border: 1px solid var(--border);
  padding: 0.45rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 12px;
}

.engine-method-badge {
  background: #14532d;
  color: #86efac;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 10px;
}

.engine-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 900px) {
  .engine-grid-2col {
    grid-template-columns: 1fr;
  }
}

.engine-subhead {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  display: flex;
  justify-content: space-between;
}

/* Viewport Mode Switcher */
.viewport-mode-switcher {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.btn-mode {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  font-size: 11px;
  font-family: var(--font-mono);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-mode:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
}

.btn-mode.active {
  background: rgba(134, 236, 192, 0.12);
  border-color: var(--accent-mint);
  color: var(--accent-mint);
  font-weight: 700;
}

/* High-Fidelity 3D G1 Frame */
.g1-3d-frame {
  width: 100%;
  height: 520px;
  border: none;
  border-radius: 6px;
  display: block;
  background: #020711;
}

/* LeRobot NLE Timeline Styles */
.nle-studio-shell {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.nle-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nle-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nle-badge-metaphor {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38bdf8;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  font-weight: 700;
}

.nle-timecode-box {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  background: #02090a;
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.nle-tc-digits {
  font-size: 16px;
  font-weight: 800;
  color: var(--accent-mint);
  letter-spacing: 0.05em;
}

.nle-tc-label {
  font-size: 10px;
  color: var(--text-muted);
}

.nle-toolbar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #02090a;
  border: 1px solid var(--border);
  padding: 0.4rem 0.6rem;
  border-radius: 5px;
  flex-wrap: wrap;
}

.nle-btn {
  background: #061619;
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 11px;
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.15s ease;
}

.nle-btn:hover {
  border-color: var(--accent-mint);
  color: var(--accent-mint);
}

.nle-btn-primary {
  background: var(--accent-mint);
  border-color: var(--accent-mint);
  color: #021a14;
  font-weight: 700;
}

.nle-btn-primary:hover {
  background: #a3f7d1;
}

.nle-timeline-viewport {
  background: #010607;
  border: 1px solid var(--border);
  border-radius: 5px;
  position: relative;
  overflow: hidden;
  margin-top: 0.75rem;
  user-select: none;
}

.nle-ruler {
  height: 22px;
  background: #040e10;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  padding: 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  align-items: center;
}

.nle-track-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  border-bottom: 1px solid rgba(21, 57, 64, 0.4);
  min-height: 44px;
}

.nle-track-header {
  background: #030c0e;
  border-right: 1px solid var(--border);
  padding: 0.4rem 0.6rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.nle-track-name {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-main);
}

.nle-track-meta {
  font-size: 9px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.nle-track-lane {
  position: relative;
  overflow: hidden;
  cursor: crosshair;
  background: #010607;
}

/* Track 1: Velocity Heatmap */
.nle-heatmap-bar {
  width: 100%;
  height: 100%;
  display: flex;
}

.nle-heat-segment {
  height: 100%;
  transition: opacity 0.15s;
}

/* Track 2: Video Filmstrip */
.nle-filmstrip-strip {
  display: flex;
  height: 100%;
  gap: 2px;
  padding: 2px 0;
}

.nle-film-frame {
  flex: 1;
  background: #081a1d;
  border: 1px solid #102d33;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  color: var(--text-muted);
  position: relative;
}

.nle-film-frame i {
  font-size: 12px;
  opacity: 0.7;
}

/* Track 3: Stability Envelope */
.nle-stability-canvas {
  width: 100%;
  height: 44px;
  display: block;
}

/* Track 4: Clip Blocks */
.nle-clips-lane {
  display: flex;
  height: 100%;
  position: relative;
  align-items: center;
  padding: 4px 0;
}

.nle-clip {
  height: 36px;
  border-radius: 3px;
  padding: 0 0.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-size: 10px;
  position: relative;
  cursor: pointer;
  transition: all 0.15s;
}

.nle-clip.active {
  background: rgba(134, 236, 192, 0.15);
  border: 1px solid var(--accent-mint);
  color: var(--accent-mint);
}

.nle-clip.trimmed {
  background: repeating-linear-gradient(45deg, #091316, #091316 6px, #03080a 6px, #03080a 12px);
  border: 1px dashed #203e44;
  color: var(--text-muted);
  opacity: 0.6;
}

.nle-clip.fall-risk {
  background: repeating-linear-gradient(45deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.15) 6px, #080304 6px, #080304 12px);
  border: 1px dashed rgba(239, 68, 68, 0.6);
  color: #f87171;
}

/* Vertical Playhead */
.nle-playhead-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #ff4757;
  pointer-events: none;
  z-index: 20;
}

.nle-playhead-handle {
  position: absolute;
  top: 0;
  left: -5px;
  width: 12px;
  height: 14px;
  background: #ff4757;
  clip-path: polygon(0% 0%, 100% 0%, 100% 60%, 50% 100%, 0% 60%);
  cursor: grab;
}

/* In / Out Markers */
.nle-marker {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  z-index: 15;
  pointer-events: none;
}

.nle-marker-in {
  background: #38bdf8;
}

.nle-marker-out {
  background: #f59e0b;
}

.nle-marker-flag {
  position: absolute;
  top: 0;
  padding: 1px 4px;
  font-size: 9px;
  font-family: var(--font-mono);
  font-weight: 700;
  border-radius: 2px;
}

.nle-marker-in .nle-marker-flag {
  left: 2px;
  background: #38bdf8;
  color: #021a24;
}

.nle-marker-out .nle-marker-flag {
  right: 2px;
  background: #f59e0b;
  color: #241402;
}

/* NLE Operations & Savings Diff Card */
.nle-diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.nle-summary-box {
  background: #02090a;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.85rem;
}

.nle-stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 0.4rem;
}

.nle-stat-row strong {
  font-family: var(--font-mono);
}

/* ── MJWarp Quantum Simulation Swarm & Quantum Geometries ── */
.gpu-swarm-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #020b0d;
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}

.gpu-swarm-title {
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #a78bfa;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-right: 0.4rem;
}

.btn-batch {
  background: #041416;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
  font-family: var(--font-sans);
}

.btn-batch:hover {
  border-color: #a78bfa;
  color: #e9d5ff;
}

.btn-batch.active {
  background: rgba(167, 139, 250, 0.15);
  border-color: #a78bfa;
  color: #e9d5ff;
  font-weight: 700;
  box-shadow: 0 0 8px rgba(167, 139, 250, 0.25);
}

.btn-batch .batch-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
}

.btn-batch.active .batch-tag {
  background: #a78bfa;
  color: #0d061a;
  font-weight: 800;
}

/* Quantum Idiom Cards */
.quantum-legend-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.quantum-card {
  background: #02090b;
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: 6px;
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

.quantum-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #a78bfa, #38bdf8, #86ecc0);
}

.quantum-card-title {
  font-size: 12px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #e9d5ff;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quantum-idiom-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-muted);
}

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

.quantum-idiom-glyph {
  font-size: 14px;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.quantum-idiom-content strong {
  color: #c4b5fd;
  font-family: var(--font-mono);
  font-size: 11px;
}

.quantum-action-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #041014;
  border: 1px solid var(--border);
  padding: 0.5rem 0.85rem;
  border-radius: 4px;
  margin-top: 0.6rem;
}