/* ==========================================================================
   Curriculum Pathway — Interactive Visual Constellation & Atlas Stylesheet
   mrsutherland.net | Australian Curriculum v9.0 Visual Explorer
   Zero purple tokens. Uses Solar Amber, Tasman Sky, Studio Coral, Eucalypt Emerald, Slate.
   ========================================================================== */

:root {
  --cp-bg: #090e17;
  --cp-bg-surface: #0f172a;
  --cp-bg-card: #1e293b;
  --cp-bg-card-hover: #273549;
  --cp-border: #334155;
  --cp-border-light: rgba(255, 255, 255, 0.12);
  --cp-text: #f8fafc;
  --cp-text-muted: #94a3b8;
  --cp-text-dim: #64748b;

  /* Curriculum Domain Tokens (Purple Ban Compliant) */
  --cp-maths: #f59e0b;
  --cp-maths-bg: rgba(245, 158, 11, 0.12);
  --cp-maths-border: rgba(245, 158, 11, 0.35);

  --cp-english: #0284c7;
  --cp-english-bg: rgba(2, 132, 199, 0.12);
  --cp-english-border: rgba(2, 132, 199, 0.35);

  --cp-media: #e11d48;
  --cp-media-bg: rgba(225, 29, 72, 0.12);
  --cp-media-border: rgba(225, 29, 72, 0.35);

  --cp-science: #059669;
  --cp-science-bg: rgba(5, 150, 105, 0.12);
  --cp-science-border: rgba(5, 150, 105, 0.35);

  --cp-tech: #475569;
  --cp-tech-bg: rgba(71, 85, 105, 0.18);
  --cp-tech-border: rgba(71, 85, 105, 0.4);

  --cp-font-serif: "DM Serif Display", Georgia, serif;
  --cp-font-sans: "Source Sans 3", system-ui, sans-serif;
  --cp-font-mono: "JetBrains Mono", monospace;

  --cp-drawer-width: min(520px, 92vw);
}

/* Base Layout & Page Frame */
.cp-page {
  min-height: 100vh;
  background-color: var(--cp-bg);
  color: var(--cp-text);
  font-family: var(--cp-font-sans);
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.cp-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Hero Header */
.cp-hero {
  padding: 2rem 0 1.25rem;
  border-bottom: 1px solid var(--cp-border);
  background: radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.08), transparent 70%);
}

.cp-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cp-hero__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cp-badge-ac {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--cp-maths-bg);
  border: 1px solid var(--cp-maths-border);
  color: var(--cp-maths);
  font-family: var(--cp-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cp-badge-summary {
  font-size: 0.85rem;
  color: var(--cp-text-muted);
}

.cp-hero__title {
  font-family: var(--cp-font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0;
  color: #ffffff;
}

.cp-hero__lead {
  font-size: 1.05rem;
  color: var(--cp-text-muted);
  max-width: 58rem;
  margin: 0;
  line-height: 1.5;
}

/* Breadcrumb Navigation */
.cp-nav-bar {
  background: var(--cp-bg-surface);
  border-bottom: 1px solid var(--cp-border);
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.cp-nav-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  gap: 1rem;
  flex-wrap: wrap;
}

.cp-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--cp-text-muted);
  overflow-x: auto;
  white-space: nowrap;
}

.cp-crumb {
  color: var(--cp-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
}

.cp-crumb:hover {
  color: var(--cp-text);
  text-decoration: underline;
}

.cp-crumb--active {
  color: var(--cp-maths);
  font-weight: 600;
  cursor: default;
  text-decoration: none !important;
}

.cp-crumb-sep {
  color: var(--cp-text-dim);
  user-select: none;
}

/* View Mode Switch */
.cp-view-toggle {
  display: inline-flex;
  background: var(--cp-bg);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
  padding: 0.2rem;
  gap: 0.2rem;
}

.cp-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cp-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.cp-toggle-btn:hover {
  color: var(--cp-text);
}

.cp-toggle-btn.active {
  background: var(--cp-bg-card);
  color: var(--cp-text);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* Filter Strip */
.cp-filters {
  background: var(--cp-bg-surface);
  border-bottom: 1px solid var(--cp-border);
  padding: 0.75rem 0;
}

.cp-filters__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.cp-pill-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.cp-pill-group__label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cp-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 0.25rem;
}

.cp-filter-pill {
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--cp-border);
  background: var(--cp-bg);
  color: var(--cp-text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.cp-filter-pill:hover {
  border-color: var(--cp-border-light);
  color: var(--cp-text);
}

.cp-filter-pill.active {
  background: var(--cp-maths-bg);
  border-color: var(--cp-maths);
  color: var(--cp-maths);
}

/* Spotlight Manipulatives Bar */
.cp-spotlight-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  white-space: nowrap;
  padding-bottom: 0.2rem;
}

.cp-spotlight-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-border);
  color: var(--cp-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.cp-spotlight-btn:hover {
  border-color: var(--cp-maths);
  color: var(--cp-text);
}

.cp-spotlight-btn.active {
  background: var(--cp-maths-bg);
  border-color: var(--cp-maths);
  color: var(--cp-maths);
}

/* Main Viewport Container */
.cp-viewport-container {
  flex: 1;
  position: relative;
  min-height: 600px;
}

/* Level 0: Constellation Canvas View */
.cp-constellation-viewport {
  position: relative;
  width: 100%;
  height: 740px;
  background: radial-gradient(ellipse at 50% 45%, #101b30 0%, #090e17 75%, #060a12 100%);
  overflow: hidden;
  cursor: grab;
  border-bottom: 1px solid var(--cp-border);
}

.cp-constellation-viewport:active {
  cursor: grabbing;
}

.cp-constellation-svg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  user-select: none;
}

/* Constellation Nodes */
.cp-node {
  cursor: pointer;
  transition: opacity 0.22s ease, filter 0.22s ease;
}

.cp-node:hover {
  filter: brightness(1.18);
}

.cp-node.is-dimmed {
  opacity: 0.22 !important;
}

.cp-node-hub circle.outer-ring {
  stroke-dasharray: 6 4;
  transform-box: fill-box;
  transform-origin: center;
  transition: stroke-opacity 0.25s ease, stroke-width 0.25s ease;
}

.cp-node-hub:hover circle.outer-ring {
  stroke-opacity: 0.85;
  stroke-width: 2.2px;
}

.cp-node-hub text.hub-title {
  font-family: var(--cp-font-serif);
  font-size: 16px;
  fill: #ffffff;
  text-anchor: middle;
  pointer-events: none;
}

.cp-node-hub text.hub-action {
  font-family: var(--cp-font-sans);
  font-size: 10.5px;
  font-weight: 700;
  text-anchor: middle;
  letter-spacing: 0.03em;
  pointer-events: none;
}

.cp-node-hub text.hub-sub {
  font-family: var(--cp-font-mono);
  font-size: 10.5px;
  font-weight: 700;
  text-anchor: middle;
  pointer-events: none;
}

.cp-satellite-card {
  rx: 10;
  ry: 10;
  cursor: pointer;
  transition: stroke-width 0.2s ease, fill 0.2s ease, stroke-opacity 0.2s ease;
}

.cp-node-satellite:hover .cp-satellite-card {
  stroke-width: 2.5px !important;
  stroke-opacity: 1 !important;
  fill: #243247;
}

/* Hub-to-Satellite Spokes */
.cp-spoke-line {
  fill: none;
  stroke-dasharray: 3 5;
  transition: stroke-opacity 0.25s ease, stroke-width 0.25s ease;
  pointer-events: none;
}

.cp-spoke-line.is-active {
  stroke-opacity: 0.75 !important;
  stroke-width: 2px !important;
  stroke-dasharray: none;
}

.cp-spoke-line.is-dimmed {
  stroke-opacity: 0.06 !important;
}

/* Cross Curricular Bridges */
.cp-bridge-group {
  cursor: pointer;
  transition: opacity 0.25s ease;
}

.cp-bridge-group.is-dimmed {
  opacity: 0.14;
}

.cp-bridge-arc {
  fill: none;
  stroke-linecap: round;
  stroke-dasharray: 7 6;
  transition: stroke-width 0.25s ease, stroke-opacity 0.25s ease;
}

.cp-bridge-group:hover .cp-bridge-arc,
.cp-bridge-group.is-active .cp-bridge-arc {
  stroke-width: 3px !important;
  stroke-opacity: 0.95 !important;
  animation: cp-flow 1.2s linear infinite;
}

.cp-bridge-pill {
  transition: stroke-width 0.2s ease, fill 0.2s ease;
}

.cp-bridge-group:hover .cp-bridge-pill,
.cp-bridge-group.is-active .cp-bridge-pill {
  fill: #1e293b;
  stroke-width: 1.8px;
}

@keyframes cp-flow {
  from { stroke-dashoffset: 26; }
  to { stroke-dashoffset: 0; }
}

/* Top Floating Hint / Active Bridge Banner on Canvas */
.cp-canvas-hint {
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid var(--cp-border);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-size: 0.8rem;
  color: var(--cp-text-muted);
  z-index: 20;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.cp-canvas-hint strong {
  color: #ffffff;
}

.cp-canvas-controls {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  z-index: 20;
}

.cp-zoom-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-border);
  color: var(--cp-text);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.15s ease;
}

.cp-zoom-btn:hover {
  border-color: var(--cp-maths);
  background: var(--cp-bg-card-hover);
}

.cp-canvas-legend {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  color: var(--cp-text-muted);
  z-index: 20;
  max-width: 300px;
}

.cp-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

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

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

/* ==========================================================================
   Level 1A: Mathematics Full F–6 Curriculum Matrix View
   ========================================================================== */
.cp-maths-matrix-viewport {
  padding: 1.5rem 0 3rem;
  display: none;
}

.cp-maths-matrix-viewport.active {
  display: block;
}

.cp-matrix-banner {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.12), rgba(15, 23, 42, 0.4));
  border: 1px solid var(--cp-maths-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cp-matrix-banner__title {
  font-family: var(--cp-font-serif);
  font-size: 1.5rem;
  margin: 0 0 0.25rem 0;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cp-matrix-banner__desc {
  font-size: 0.9rem;
  color: var(--cp-text-muted);
  margin: 0;
}

.cp-matrix-stats {
  display: flex;
  gap: 1.5rem;
}

.cp-stat-item {
  display: flex;
  flex-direction: column;
}

.cp-stat-num {
  font-family: var(--cp-font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cp-maths);
}

.cp-stat-label {
  font-size: 0.75rem;
  color: var(--cp-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Matrix Table Grid */
.cp-matrix-scroll-wrapper {
  overflow-x: auto;
  border: 1px solid var(--cp-border);
  border-radius: 12px;
  background: var(--cp-bg-surface);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.cp-matrix-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

.cp-matrix-table th,
.cp-matrix-table td {
  border: 1px solid var(--cp-border);
  padding: 0.75rem;
  vertical-align: top;
}

.cp-matrix-table th {
  background: #0d1527;
  position: sticky;
  top: 0;
  z-index: 10;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cp-text);
  text-align: center;
}

.cp-matrix-th--strand {
  width: 140px;
  text-align: left !important;
  color: var(--cp-text-muted) !important;
  font-family: var(--cp-font-sans);
}

.cp-year-header-pct {
  display: block;
  font-size: 0.7rem;
  font-family: var(--cp-font-mono);
  color: var(--cp-maths);
  margin-top: 0.15rem;
}

.cp-strand-cell-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.9rem;
}

.cp-strand-tag {
  font-size: 0.7rem;
  font-family: var(--cp-font-mono);
  color: var(--cp-text-dim);
}

.cp-matrix-cell {
  background: var(--cp-bg-surface);
  min-height: 80px;
  transition: background-color 0.15s ease;
}

.cp-matrix-cell:hover {
  background: rgba(30, 41, 59, 0.4);
}

.cp-badge-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

/* Descriptor Badge Pill */
.cp-descriptor-pill {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-border);
  cursor: pointer;
  transition: all 0.18s ease;
  user-select: none;
}

.cp-descriptor-pill:hover {
  transform: translateY(-1px);
  border-color: var(--cp-maths);
  background: var(--cp-bg-card-hover);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}

.cp-descriptor-pill.highlighted {
  border-color: var(--cp-maths) !important;
  background: var(--cp-maths-bg) !important;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.cp-descriptor-pill.dimmed {
  opacity: 0.25;
}

.cp-descriptor-emoji {
  font-size: 1rem;
  flex-shrink: 0;
}

.cp-descriptor-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex: 1;
}

.cp-descriptor-code {
  font-family: var(--cp-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cp-maths);
}

.cp-descriptor-name {
  font-size: 0.75rem;
  color: var(--cp-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
}

/* Standalone App Callout Badge in Cell */
.cp-standalone-app-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.25rem;
  padding: 0.2rem 0.45rem;
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid rgba(2, 132, 199, 0.4);
  border-radius: 4px;
  color: #38bdf8;
  font-size: 0.68rem;
  font-weight: 600;
  cursor: pointer;
}

.cp-standalone-app-badge:hover {
  background: rgba(2, 132, 199, 0.25);
}

/* ==========================================================================
   Level 1B & 1C: Subject Webs (English, Stop Motion, Science/HASS, Tech)
   ========================================================================== */
.cp-subject-web-viewport {
  padding: 1.5rem 0 3rem;
  display: none;
}

.cp-subject-web-viewport.active {
  display: block;
}

.cp-web-header {
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.cp-web-header.english {
  background: linear-gradient(90deg, rgba(2, 132, 199, 0.12), transparent);
  border-color: var(--cp-english-border);
}

.cp-web-header.media {
  background: linear-gradient(90deg, rgba(225, 29, 72, 0.12), transparent);
  border-color: var(--cp-media-border);
}

.cp-web-header.science {
  background: linear-gradient(90deg, rgba(5, 150, 105, 0.12), transparent);
  border-color: var(--cp-science-border);
}

.cp-web-header.tech {
  background: linear-gradient(90deg, rgba(71, 85, 105, 0.18), transparent);
  border-color: var(--cp-tech-border);
}

.cp-embedded-diagram-frame {
  width: 100%;
  height: 600px;
  border: 1px solid var(--cp-border);
  border-radius: 12px;
  background: var(--cp-bg-surface);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.cp-embedded-diagram-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Connected Resource Grid */
.cp-resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.cp-resource-card {
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cp-resource-card:hover {
  transform: translateY(-2px);
  border-color: var(--cp-border-light);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.cp-resource-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.cp-resource-card__title {
  font-family: var(--cp-font-serif);
  font-size: 1.15rem;
  margin: 0;
  color: #ffffff;
}

.cp-resource-card__sub {
  font-size: 0.82rem;
  color: var(--cp-text-muted);
  line-height: 1.4;
  margin: 0;
}

.cp-resource-card__actions {
  margin-top: auto;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.cp-btn-preview {
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  background: var(--cp-maths-bg);
  border: 1px solid var(--cp-maths-border);
  color: var(--cp-maths);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.cp-btn-preview:hover {
  background: var(--cp-maths);
  color: #0f172a;
}

.cp-btn-launch {
  font-size: 0.78rem;
  color: var(--cp-text-muted);
  text-decoration: none;
  font-weight: 600;
}

.cp-btn-launch:hover {
  color: var(--cp-text);
  text-decoration: underline;
}

/* ==========================================================================
   Level 2: Slide-Over Visual Inspector & Embedding Drawer
   ========================================================================== */
.cp-inspector-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.cp-inspector-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.cp-inspector-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--cp-drawer-width);
  background: var(--cp-bg-surface);
  border-left: 1px solid var(--cp-border);
  z-index: 60;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.6);
}

.cp-inspector-drawer.open {
  transform: translateX(0);
}

.cp-inspector-drawer.expanded {
  width: min(920px, 96vw);
}

/* Drawer Header */
.cp-drawer-header {
  padding: 1rem 1.25rem;
  background: #0d1527;
  border-bottom: 1px solid var(--cp-border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.cp-drawer-header__main {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cp-drawer-code-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--cp-font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cp-maths);
}

.cp-drawer-title {
  font-family: var(--cp-font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: #ffffff;
  margin: 0;
  line-height: 1.25;
}

.cp-drawer-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cp-drawer-btn {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-border);
  color: var(--cp-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

.cp-drawer-btn:hover {
  color: var(--cp-text);
  border-color: var(--cp-border-light);
}

/* Drawer Tabs */
.cp-drawer-tabs {
  display: flex;
  background: var(--cp-bg);
  border-bottom: 1px solid var(--cp-border);
  padding: 0 0.5rem;
}

.cp-drawer-tab {
  padding: 0.65rem 0.9rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--cp-text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.15s ease;
}

.cp-drawer-tab:hover {
  color: var(--cp-text);
}

.cp-drawer-tab.active {
  color: var(--cp-maths);
  border-bottom-color: var(--cp-maths);
}

/* Drawer Content Body */
.cp-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cp-tab-pane {
  display: none;
  flex-direction: column;
  gap: 1rem;
}

.cp-tab-pane.active {
  display: flex;
}

/* Tab 1: Visual Overview */
.cp-visual-banner {
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cp-descriptor-text-box {
  background: rgba(0, 0, 0, 0.25);
  border-left: 3px solid var(--cp-maths);
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: #f1f5f9;
}

.cp-badge-highlight-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--cp-maths-bg);
  border: 1px solid var(--cp-maths-border);
  border-radius: 8px;
}

.cp-badge-highlight-emoji {
  font-size: 1.75rem;
}

.cp-badge-highlight-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffffff;
}

.cp-badge-highlight-desc {
  font-size: 0.8rem;
  color: var(--cp-text-muted);
}

.cp-tools-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cp-tool-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.8rem;
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-border);
  border-radius: 6px;
  gap: 0.5rem;
}

.cp-tool-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
}

/* Tab 2: Live Embedded Preview */
.cp-preview-sandbox {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  height: 100%;
}

.cp-preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-border);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
}

.cp-preview-iframe-wrapper {
  flex: 1;
  min-height: 480px;
  background: #000000;
  border: 1px solid var(--cp-border);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.cp-preview-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.cp-preview-hardware-card {
  padding: 1.5rem;
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-media-border);
  border-radius: 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.cp-hardware-btn {
  padding: 0.6rem 1.25rem;
  background: var(--cp-media);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.cp-hardware-btn:hover {
  filter: brightness(1.15);
  text-decoration: none;
}

/* Tab 3: Teacher & Compliance */
.cp-guide-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cp-guide-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cp-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cp-guide-box {
  background: var(--cp-bg-card);
  border: 1px solid var(--cp-border);
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--cp-text-muted);
}

.cp-guide-box strong {
  color: #ffffff;
}

/* Structured Explorer Mode (Mobile & Compact View) */
.cp-structured-viewport {
  padding: 1.5rem 0 3rem;
  display: none;
}

.cp-structured-viewport.active {
  display: block;
}

.cp-cluster-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cp-accordion-card {
  background: var(--cp-bg-surface);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
  overflow: hidden;
}

.cp-accordion-header {
  padding: 1rem 1.25rem;
  background: var(--cp-bg-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.cp-accordion-header:hover {
  background: var(--cp-bg-card-hover);
}

.cp-accordion-body {
  padding: 1.25rem;
  display: none;
}

.cp-accordion-card.open .cp-accordion-body {
  display: block;
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
  .cp-constellation-viewport {
    height: 520px;
  }
  .cp-canvas-legend {
    display: none;
  }
  .cp-matrix-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .cp-inspector-drawer {
    width: 100vw;
  }
}