/* Sleek Course Player CSS */
:root {
  --bg-primary: #0f172a;
  --bg-sidebar: #1e293b;
  --border-color: color-mix(in srgb, #f8fafc 15%, transparent);
  --text-main: #f8fafc;
  --text-muted: color-mix(in srgb, #f8fafc 60%, transparent);
  --accent-color: #10b981;
  --accent-hover: #10b981;
  --accent-light: color-mix(in srgb, #10b981 15%, transparent);
  --success-color: #10b981;
  --error-color: #ef4444;
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
}

.player-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
  width: 320px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

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

.sidebar-header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.sidebar-header .description {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.toc {
  flex-grow: 1;
  overflow-y: auto;
  padding: 20px 12px;
}

.toc-list {
  list-style: none;
}

.toc-item {
  display: flex;
  align-items: center;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 6px;
  transition: all 0.2s ease;
}

.toc-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.toc-item.active {
  background-color: var(--accent-light);
  color: var(--accent-color);
}

.toc-bullet {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border-color);
  margin-right: 12px;
  flex-shrink: 0;
}

.toc-item.active .toc-bullet {
  background-color: var(--accent-color);
}

.toc-item.completed .toc-bullet {
  background-color: var(--success-color);
}

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

.progress-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.progress-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.progress-bar-bg {
  height: 6px;
  background-color: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

/* Main Content Area */
.content-viewport {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  background-color: var(--bg-primary);
  overflow: hidden;
}

.content-scroll-wrapper {
  flex-grow: 1;
  overflow-y: auto;
  width: 100%;
}

#content-container {
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.page-content h2 {
  font-size: 2rem;
  margin-bottom: 24px;
  font-weight: 700;
  border-left: 4px solid var(--accent-color);
  padding-left: 16px;
}

.content-block {
  margin-bottom: 32px !important;
}

.text-block {
  color: #d1d5db;
}

/* Quiz Styling */
.quiz-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}

.quiz-question {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-option:hover:not(.disabled) {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--accent-color);
}

.option-bullet {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  margin-right: 12px;
  flex-shrink: 0;
}

.quiz-option:hover .option-bullet {
  border-color: var(--accent-color);
}

.quiz-option.correct {
  border-color: var(--success-color);
  background-color: rgba(16, 185, 129, 0.08);
}

.quiz-option.correct .option-bullet {
  border-color: var(--success-color);
  background-color: var(--success-color);
}

.quiz-option.incorrect {
  border-color: var(--error-color);
  background-color: rgba(239, 68, 68, 0.08);
}

.quiz-option.incorrect .option-bullet {
  border-color: var(--error-color);
  background-color: var(--error-color);
}

.quiz-option.disabled {
  cursor: not-allowed;
}

.quiz-feedback {
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.95rem;
}

.feedback-correct {
  color: var(--success-color);
}

.feedback-incorrect {
  color: var(--error-color);
}

/* Bottom Nav Controller */
.content-nav {
  padding: 20px 48px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-sidebar);
}

.nav-btn {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav-btn:hover:not(:disabled) {
  border-color: var(--text-main);
}

.nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.nav-btn-primary {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

.nav-btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

#page-indicator {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Animations */
.animate-fade-in {
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Card Flip Effect */
.flip-card {
  background-color: transparent;
  width: 100%;
  height: 160px;
  perspective: 1000px;
  cursor: pointer;
}
.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.5s;
  transform-style: preserve-3d;
}
.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}
.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 24px;
  border: 1px solid var(--border-color);
}
.flip-card-front {
  background-color: var(--bg-sidebar);
  color: var(--text-main);
}
.flip-card-back {
  background-color: var(--accent-light);
  color: var(--text-main);
  transform: rotateY(180deg);
  border-color: var(--accent-color);
}
.card-prompt {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--accent-color);
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.flip-card-back .card-prompt {
  color: var(--success-color);
}
.card-text {
  font-size: 1.1rem;
  font-weight: 600;
}

/* Accordion Collapsible */
.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  background-color: var(--bg-sidebar);
  cursor: pointer;
  transition: border-color 0.2s;
}
.accordion-item:hover {
  border-color: var(--accent-color);
}
.accordion-header {
  padding: 16px 20px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.accordion-icon {
  font-size: 0.8rem;
  transition: transform 0.2s;
  color: var(--text-muted);
}
.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}
.accordion-content {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease-out, padding 0.25s ease-out;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.accordion-item.active .accordion-content {
  padding: 16px 20px;
  max-height: 800px;
  border-top: 1px solid var(--border-color);
}

/* Tabs Container */
.tabs-container {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  background-color: var(--bg-sidebar);
}
.tabs-header {
  display: flex;
  background-color: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}
.tab-btn {
  padding: 12px 24px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.tab-btn:hover {
  color: var(--text-main);
}
.tab-btn.active {
  color: var(--accent-color);
  border-bottom-color: var(--accent-color);
  background-color: rgba(255, 255, 255, 0.02);
}
.tabs-body {
  padding: 24px;
}
.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* Hotspots / Tooltip Annotations */
.hotspots-block-layout {
  border-radius: 12px;
}
.hotspots-body-generic {
  white-space: pre-wrap;
  line-height: 1.8;
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.hotspot-text {
  border-bottom: 2px dashed var(--accent-color);
  background-color: var(--accent-light);
  position: relative;
  cursor: help;
  display: inline-block;
  padding: 0 4px;
  border-radius: 4px;
  font-weight: 600;
}
.hotspot-tooltip {
  visibility: hidden;
  width: 280px;
  background-color: var(--bg-sidebar);
  color: var(--text-main);
  border: 1px solid var(--accent-color);
  border-radius: 8px;
  padding: 12px;
  position: absolute;
  z-index: 100;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  font-size: 0.85rem;
  font-weight: normal;
  pointer-events: none;
  line-height: 1.4;
  text-align: left;
}
.hotspot-text:hover .hotspot-tooltip {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Premium Email Mockup Client */
.hotspot-email-client {
  background-color: #ffffff;
  color: #1e293b;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  text-align: left;
}
.email-toolbar {
  background-color: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  user-select: none;
  border-top-left-radius: 11px;
  border-top-right-radius: 11px;
}
.toolbar-left {
  display: flex;
  gap: 8px;
}
.toolbar-btn {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  padding: 5px 12px;
  border-radius: 6px;
  color: #475569;
  font-weight: 600;
  cursor: not-allowed;
}
.toolbar-btn.spam-btn {
  background-color: #fee2e2;
  border-color: #fecaca;
  color: #dc2626;
}
.email-badge {
  background-color: var(--accent-light);
  color: var(--accent-color);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
}
.email-header-section {
  padding: 20px 24px;
  border-bottom: 1px solid #f1f5f9;
  background-color: #ffffff;
}
.email-subject-line {
  font-size: 1.3rem;
  font-weight: 700;
  color: #0f172a !important;
  margin-bottom: 14px;
  border: none !important;
  padding: 0 !important;
}
.email-sender-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sender-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--accent-color);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}
.sender-details {
  flex-grow: 1;
}
.sender-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  flex-wrap: wrap;
}
.sender-name {
  color: #1e293b;
  font-weight: 700;
}
.sender-address {
  color: #64748b;
  font-family: monospace;
}
.recipient-meta {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 2px;
}
.recipient-addr {
  color: #64748b;
}
.email-date-time {
  font-size: 0.75rem;
  color: #64748b;
}
.email-body-content {
  padding: 24px;
  background-color: #ffffff;
  color: #334155;
  font-size: 0.95rem;
  line-height: 1.6;
  white-space: pre-wrap;
  border-bottom-left-radius: 11px;
  border-bottom-right-radius: 11px;
}

/* Premium Document Mockup Client */
.hotspot-document-client {
  background-color: #ffffff;
  color: #1e293b;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  text-align: left;
}
.document-header {
  padding: 20px 24px;
  border-bottom: 1px solid #f1f5f9;
  background-color: #f8fafc;
  border-top-left-radius: 11px;
  border-top-right-radius: 11px;
}
.document-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--accent-light);
  color: var(--accent-color);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.document-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #0f172a !important;
  border: none !important;
  padding: 0 !important;
}
.document-body-content {
  padding: 24px;
  color: #334155;
  font-size: 0.95rem;
  line-height: 1.6;
  white-space: pre-wrap;
  border-bottom-left-radius: 11px;
  border-bottom-right-radius: 11px;
}

/* WhatsApp Chat Simulator Styling */
.chat-sim-block {
  display: flex;
  gap: 32px;
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.smartphone-container {
  width: 320px;
  height: 520px;
  background-color: #000000;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  border: 4px solid #334155;
  flex-shrink: 0;
}
.phone-screen {
  width: 100%;
  height: 100%;
  background-color: #efeae2; /* WhatsApp background */
  border-radius: 26px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}
.phone-status-bar {
  background-color: #075e54;
  color: #ffffff;
  font-size: 0.65rem;
  padding: 4px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}
.status-icons {
  display: flex;
  gap: 4px;
}
.chat-app-header {
  background-color: #075e54;
  color: #ffffff;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  user-select: none;
}
.chat-back-arrow {
  font-size: 1.1rem;
  font-weight: bold;
}
.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--accent-color);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
}
.chat-sender-info {
  flex-grow: 1;
}
.chat-sender-name {
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}
.chat-sender-status {
  font-size: 0.6rem;
  opacity: 0.8;
}
.chat-header-actions {
  font-size: 1rem;
}
.chat-messages-viewport {
  flex-grow: 1;
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.chat-bubble-row {
  display: flex;
  width: 100%;
}
.chat-bubble-row.row-them {
  justify-content: flex-start;
}
.chat-bubble-row.row-me {
  justify-content: flex-end;
}
.chat-bubble {
  max-width: 80%;
  padding: 8px 12px;
  font-size: 0.8rem;
  line-height: 1.4;
  box-shadow: 0 1px 1px rgba(0,0,0,0.1);
}
.bubble-them {
  background-color: #ffffff;
  color: #000000;
  border-radius: 0 10px 10px 10px;
}
.bubble-me {
  background-color: #dcf8c6;
  color: #000000;
  border-radius: 10px 0 10px 10px;
}
.chat-attachment-bubble {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 10px;
  width: 220px;
}
.attachment-icon-pill {
  display: flex;
  align-items: center;
  gap: 10px;
}
.attachment-icon-pill svg {
  color: #ef4444; /* red icon for warning/file */
  flex-shrink: 0;
}
.attachment-details {
  display: flex;
  flex-direction: column;
}
.attachment-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: #1e293b;
  word-break: break-all;
}
.attachment-size {
  font-size: 0.6rem;
  color: #64748b;
}

.chat-interaction-panel {
  flex-grow: 1;
  flex-basis: 300px;
}
.chat-panel-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.chat-choices-layout {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-choice-btn {
  background-color: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
}
.chat-choice-btn:hover:not(.disabled) {
  border-color: var(--accent-color);
  background-color: var(--accent-light);
}
.chat-choice-btn.disabled {
  cursor: not-allowed;
  opacity: 0.6;
}
.chat-choice-btn.choice-success {
  border-color: var(--success-color);
  background-color: rgba(16, 185, 129, 0.15);
  color: #10b981;
  opacity: 1;
}
.chat-choice-btn.choice-danger {
  border-color: var(--error-color);
  background-color: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  opacity: 1;
}
.chat-choices-feedback {
  margin-top: 20px;
}
.feedback-card {
  padding: 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  line-height: 1.5;
}
.feedback-card.card-success {
  background-color: rgba(16, 185, 129, 0.08);
  border-left: 4px solid var(--success-color);
  color: #10b981;
}
.feedback-card.card-danger {
  background-color: rgba(239, 68, 68, 0.08);
  border-left: 4px solid var(--error-color);
  color: #ef4444;
}

/* Password Strength Meter Styling */
.pwd-meter-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.pwd-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.pwd-simulator-panel {
  max-width: 500px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pwd-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.pwd-sim-input {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 12px 48px 12px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  outline: none;
}
.pwd-sim-input:focus {
  border-color: var(--accent-color);
}
.pwd-visibility-toggle {
  position: absolute;
  right: 16px;
  cursor: pointer;
  font-size: 1rem;
  user-select: none;
}
.pwd-strength-indicator {
  display: flex;
  gap: 6px;
  width: 100%;
}
.strength-bar {
  flex-grow: 1;
  height: 6px;
  background-color: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}
.strength-bar-fill {
  height: 100%;
  width: 0%;
  transition: width 0.3s ease, background-color 0.3s ease;
}
.strength-bar-fill.weak {
  background-color: var(--error-color);
}
.strength-bar-fill.medium {
  background-color: #fbbf24; /* yellow */
}
.strength-bar-fill.strong {
  background-color: var(--success-color);
}
.pwd-strength-label {
  font-size: 0.85rem;
  font-weight: 600;
}
.strength-label-text.weak {
  color: var(--error-color);
}
.strength-label-text.medium {
  color: #fbbf24;
}
.strength-label-text.strong {
  color: var(--success-color);
}
.pwd-suggestions-box {
  background-color: rgba(0,0,0,0.15);
  border-radius: 8px;
  padding: 14px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-muted);
}
.suggest-warn {
  color: #fbbf24;
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}
.suggest-ok {
  color: var(--success-color);
  font-weight: 700;
}
.pwd-suggestions-box ul {
  padding-left: 18px;
  margin-top: 4px;
}

/* Visual Hotspot Desk Game Styling */
.visual-hotspot-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.visual-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.visual-game-layout {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.visual-image-container-frame {
  width: 100%;
  background-color: #f1f5f9;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}
.visual-image-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.visual-bg-image {
  width: 100%;
  height: auto;
  display: block;
}
.hazard-pin-overlay {
  position: absolute;
  width: 28px;
  height: 28px;
  cursor: pointer;
  transform: translate(-50%, -50%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}
.pin-marker-pulse {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--accent-color);
  opacity: 0.4;
  animation: pin-pulse 1.8s infinite ease-in-out;
  pointer-events: none;
}
.pin-marker-icon {
  color: var(--accent-color);
  font-size: 1.5rem;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, color 0.2s ease;
}
.pin-marker-number {
  position: absolute;
  font-size: 0.65rem;
  font-weight: 800;
  color: #ffffff;
  pointer-events: none;
  z-index: 2;
  margin-top: -1px;
}
.hazard-pin-overlay:hover .pin-marker-icon {
  transform: scale(1.2);
}
.hazard-pin-overlay.found .pin-marker-icon {
  color: var(--success-color);
}
.hazard-pin-overlay.found .pin-marker-pulse {
  background-color: var(--success-color);
  animation: none;
  opacity: 0.25;
}

@keyframes pin-pulse {
  0% {
    transform: scale(0.5);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}
.visual-game-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.visual-progress-meter {
  font-size: 0.95rem;
  font-weight: 700;
}
.visual-progress-meter span {
  color: var(--accent-color);
}
.visual-hazards-explanation-box {
  background-color: rgba(0,0,0,0.15);
  border-radius: 8px;
  padding: 14px;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-muted);
}
.hazard-explanation-entry strong {
  color: var(--success-color);
}
.visual-success-banner {
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--success-color);
  border-radius: 8px;
  padding: 16px;
  color: var(--success-color);
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: center;
}

/* Phishing Simulator Styling */
.email-phishing-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.email-client-container {
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.email-action-bar {
  background-color: var(--bg-sidebar);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
}
.email-btn {
  background-color: var(--bg-primary);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}
.email-btn:hover:not(.disabled) {
  border-color: var(--accent-color);
  color: var(--accent-color);
}
.email-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.email-btn-report { color: #f59e0b; }
.email-btn-delete { color: #ef4444; }
.email-btn-safe { color: #10b981; }

.email-header-pane {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
}
.email-subject-line {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 12px;
}
.email-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}
.email-sender-info {
  display: flex;
  align-items: center;
  gap: 10px;
}
.email-sender-avatar {
  width: 32px;
  height: 32px;
  background-color: var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.sender-name {
  font-weight: 700;
  color: var(--text-color);
}
.sender-email {
  color: var(--text-muted);
}
.email-date-info {
  color: var(--text-muted);
}

.email-details-container {
  margin-top: 10px;
}
.details-toggle-btn {
  background: none;
  border: none;
  color: var(--accent-color);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0;
  font-weight: 600;
}
.details-collapse-panel {
  margin-top: 8px;
  background-color: rgba(0,0,0,0.2);
  padding: 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-family: monospace;
  border: 1px solid var(--border-color);
}
.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
}
.details-grid span {
  padding: 1px 4px;
  border-radius: 4px;
  font-weight: bold;
}
.badge-pass { background-color: rgba(16,185,129,0.2); color: #10b981; }
.badge-fail { background-color: rgba(239,68,68,0.2); color: #ef4444; }
.badge-none { background-color: rgba(107,114,128,0.2); color: #9ca3af; }

.email-body-pane {
  padding: 24px;
  font-size: 0.9rem;
  line-height: 1.6;
  background-color: #ffffff;
  color: #1e293b;
  min-height: 150px;
}

.phishing-feedback-box {
  margin-top: 16px;
  border-radius: 8px;
  padding: 16px;
  background-color: rgba(0,0,0,0.1);
  border: 1px solid var(--border-color);
}
.feedback-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 6px;
}
.feedback-indicator.correct { color: var(--success-color); }
.feedback-indicator.incorrect { color: #f59e0b; }
.feedback-explanation {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-muted);
}

/* Branching Dialogue Simulator Styling */
.dialogue-branching-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.dialogue-game-container {
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
}
.dialogue-meter-header {
  background-color: var(--bg-sidebar);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.meter-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}
.meter-track {
  flex-grow: 1;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  background-color: #ef4444;
  width: 0%;
  transition: width 0.4s ease;
}
.meter-value {
  font-size: 0.8rem;
  font-weight: 700;
}
.dialogue-chat-stage {
  padding: 20px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.dialogue-bubble-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.dialogue-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}
.dialogue-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.5;
}
.bubble-them {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-top-left-radius: 2px;
}
.bubble-me {
  background-color: var(--accent-color);
  color: #fff;
  border-top-right-radius: 2px;
}
.dialogue-feedback-row {
  background-color: rgba(245, 158, 11, 0.1);
  border: 1px solid #f59e0b;
  color: #fbbf24;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  line-height: 1.4;
  margin-top: 8px;
  animation: slide-down 0.3s ease;
}
.dialogue-choices-pane {
  background-color: var(--bg-sidebar);
  padding: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.dialogue-choice-btn {
  background-color: var(--bg-primary);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  text-align: left;
  transition: all 0.2s ease;
}
.dialogue-choice-btn:hover {
  border-color: var(--accent-color);
  background-color: rgba(99, 102, 241, 0.05);
}
.dialogue-end-banner {
  padding: 16px;
  border-radius: 8px;
  text-align: center;
  font-size: 0.85rem;
}
.dialogue-end-banner.win {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success-color);
  color: var(--success-color);
}
.dialogue-end-banner.lose {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid #ef4444;
  color: #ef4444;
}
.dialogue-reset-btn {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: bold;
  cursor: pointer;
  margin-left: 10px;
}

/* Workspace Clean Desk Inspector Styling */
.workspace-clean-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.clean-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.clean-game-layout {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.clean-image-container-frame {
  width: 100%;
  background-color: #f1f5f9;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}
.clean-image-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.clean-bg-image {
  width: 100%;
  height: auto;
  display: block;
}
.clean-pin-overlay {
  position: absolute;
  width: 28px;
  height: 28px;
  cursor: pointer;
  transform: translate(-50%, -50%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}
.clean-pulse {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #f59e0b;
  opacity: 0.4;
  animation: pin-pulse 1.8s infinite ease-in-out;
  pointer-events: none;
}
.clean-icon {
  color: #f59e0b;
  font-size: 1.5rem;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
}
.clean-pin-overlay.cleared .clean-icon {
  color: var(--success-color);
}
.clean-pin-overlay.cleared .clean-pulse {
  background-color: var(--success-color);
  animation: none;
  opacity: 0.25;
}
.clean-game-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.clean-progress-meter {
  font-size: 0.95rem;
  font-weight: 700;
}
.clean-progress-meter span {
  color: var(--accent-color);
}
.clean-action-overlay {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  animation: slide-down 0.2s ease;
}
.clean-action-overlay h4 {
  font-size: 0.85rem;
  font-weight: bold;
  margin-bottom: 8px;
}
.clean-options-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.clean-opt-btn {
  background-color: var(--bg-primary);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}
.clean-opt-btn:hover {
  border-color: var(--accent-color);
}
.clean-feedback-box {
  background-color: rgba(0,0,0,0.15);
  border-radius: 8px;
  padding: 14px;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-muted);
}
.clean-success-banner {
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--success-color);
  border-radius: 8px;
  padding: 16px;
  color: var(--success-color);
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: center;
}

/* Tinder-style Threat Swipe Deck Game Styling */
.swipe-deck-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.swipe-game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}
.swipe-deck-score {
  font-size: 0.9rem;
  font-weight: 700;
  align-self: flex-start;
}
.swipe-cards-stack-wrapper {
  position: relative;
  width: 100%;
  height: 200px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.swipe-card {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  text-align: center;
  font-size: 0.85rem;
  line-height: 1.5;
}
.swipe-card-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.swipe-actions-bar {
  display: flex;
  gap: 12px;
  width: 100%;
}
.swipe-action-btn {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: none;
  font-size: 0.8rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: opacity 0.2s ease;
}
.swipe-action-btn:hover {
  opacity: 0.9;
}
.btn-swipe-left {
  background-color: var(--success-color);
  color: #fff;
}
.btn-swipe-right {
  background-color: #ef4444;
  color: #fff;
}
.swipe-card-explanation-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 20;
}
.explain-header {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 8px;
}
.explain-header.correct { color: var(--success-color); }
.explain-header.incorrect { color: #ef4444; }
.explain-text {
  font-size: 0.8rem;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--text-muted);
}
.swipe-next-btn {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: bold;
  cursor: pointer;
}
.swipe-end-card {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
}
.swipe-reset-btn {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: bold;
  cursor: pointer;
  margin-top: 10px;
}

/* General Interactive Learning Components Styling */

/* 1. Timeline Slider Block */
.timeline-slider-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.timeline-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.timeline-slider-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.timeline-track-wrapper {
  position: relative;
  height: 6px;
  background-color: color-mix(in srgb, var(--text-main) 10%, transparent);
  border-radius: 3px;
  margin: 30px 20px;
}
.timeline-progress-line {
  position: absolute;
  height: 100%;
  left: 0;
  top: 0;
  background-color: var(--accent-color);
  border-radius: 3px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.timeline-dots-row {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}
.timeline-step-dot {
  pointer-events: auto;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--bg-sidebar);
  border: 2px solid var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.2s ease;
  color: var(--text-muted);
}
.timeline-step-dot:hover {
  border-color: var(--accent-color);
  color: var(--text-main);
  transform: scale(1.1);
}
.timeline-step-dot.active {
  border-color: var(--accent-color);
  background-color: var(--accent-color);
  color: #fff;
  box-shadow: 0 0 10px var(--accent-color);
}
.dot-num {
  font-size: 10px;
  font-weight: 700;
}
.dot-label {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: normal;
  line-height: 1.2;
  text-align: center;
  width: 80px;
  word-wrap: break-word;
  transition: color 0.2s ease;
}
.timeline-step-dot.active .dot-label {
  color: var(--accent-color);
}
.timeline-content-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.timeline-content-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--accent-color);
}
.timeline-body-text {
  font-size: 0.9rem;
  line-height: 1.6;
}
.timeline-nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.timeline-nav-btn {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s ease;
}
.timeline-nav-btn:hover:not(:disabled) {
  opacity: 0.9;
}
.timeline-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.timeline-progress-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* 2. Drag & Drop Categorizer Block */
.drag-drop-sort-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.drag-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.drag-game-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.drag-score-banner {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-color);
  align-self: flex-start;
}
.drag-columns-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.drag-column {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
}
.drag-column h4 {
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}
.drag-column-body {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.drag-card {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 16px;
  cursor: grab;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  user-select: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.drag-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  border-color: var(--accent-color);
}
.drag-card:active {
  cursor: grabbing;
}
.drag-item.placed {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.85rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  animation: slide-down 0.2s ease;
}
.drag-item.placed.correct {
  border-left: 4px solid var(--success-color);
}
.drag-item.placed.incorrect {
  border-left: 4px solid var(--error-color);
}
.drag-item-text {
  font-weight: 600;
}
.drag-item-feedback {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.drag-deck-section {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}
.drag-deck-section h5 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.drag-deck-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background-color: rgba(0,0,0,0.1);
  padding: 12px;
  border-radius: 8px;
  min-height: 60px;
  align-items: center;
}
.drag-finished-banner {
  text-align: center;
  padding: 16px;
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--success-color);
  border-radius: 8px;
  color: var(--success-color);
  font-weight: 600;
}

/* 3. Multi-Meter Scenario Block */
.scenario-meters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.scenario-meter-item {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.scenario-meter-lbl {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}
.scenario-meter-track {
  height: 6px;
  background-color: color-mix(in srgb, var(--text-main) 10%, transparent);
  border-radius: 3px;
  overflow: hidden;
}
.scenario-meter-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.scenario-meter-val {
  font-size: 0.8rem;
  font-weight: 700;
  align-self: flex-end;
}

/* 4. Exploded Blueprint Block */
.blueprint-inspector-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.blueprint-game-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
}
.blueprint-image-container-frame {
  width: 100%;
  background-color: #0f172a;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
}
.blueprint-image-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.blueprint-bg-image {
  width: 100%;
  height: auto;
  display: block;
}
.bp-pin-overlay {
  position: absolute;
  width: 28px;
  height: 28px;
  cursor: pointer;
  transform: translate(-50%, -50%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}
.bp-marker-pulse {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--accent-color);
  opacity: 0.4;
  animation: pin-pulse 1.8s infinite ease-in-out;
  pointer-events: none;
}
.bp-marker-icon {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--bg-sidebar);
  border: 2px solid var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 700;
  position: absolute;
  transition: all 0.2s ease;
}
.bp-pin-overlay:hover .bp-marker-icon {
  transform: scale(1.1);
  box-shadow: 0 0 8px var(--accent-color);
}
.bp-pin-overlay.clicked .bp-marker-icon {
  background-color: var(--accent-color);
  color: #fff;
}
.bp-pin-overlay.clicked .bp-marker-pulse {
  animation: none;
  opacity: 0.15;
}
.blueprint-info-sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.blueprint-progress-meter {
  font-size: 0.95rem;
  font-weight: 700;
}
.blueprint-progress-meter span {
  color: var(--accent-color);
}
.blueprint-feedback-box {
  background-color: rgba(0,0,0,0.15);
  border-radius: 8px;
  padding: 14px;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-muted);
  flex-grow: 1;
}

/* 5. Variable Graph Block */
.variable-graph-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.graph-game-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  align-items: center;
}
.graph-chart-viewport {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
}
.graph-svg-canvas {
  width: 100%;
  height: auto;
  display: block;
}
.graph-sliders-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.graph-slider-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.graph-slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}
.graph-slider-label strong {
  color: var(--accent-color);
}
.graph-slider-range {
  width: 100%;
  accent-color: var(--accent-color);
  cursor: pointer;
}

/* 6. Memory Match Game Block */
.memory-match-block {
  background-color: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}
.memory-game-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.memory-stats-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 700;
}
.memory-stats-header strong {
  color: var(--accent-color);
}
.memory-grid-canvas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.memory-card-wrapper {
  aspect-ratio: 4/3;
  perspective: 1000px;
}
.memory-card {
  width: 100%;
  height: 100%;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.memory-card.flipped, .memory-card.matched {
  transform: rotateY(180deg);
}
.memory-card.matched {
  cursor: default;
}
.memory-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}
.memory-card-front, .memory-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: border-color 0.2s ease;
}
.memory-card-front {
  background-color: var(--bg-primary);
}
.memory-card-front:hover {
  border-color: var(--accent-color);
}
.memory-card-back {
  background-color: var(--accent-light);
  transform: rotateY(180deg);
}
.memory-card.matched .memory-card-back {
  border-color: var(--success-color);
  background-color: rgba(16, 185, 129, 0.08);
}
.memory-card.matched .memory-card-text {
  color: var(--success-color);
}
.memory-card-text {
  font-size: 0.75rem;
  text-align: center;
  font-weight: 600;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}
.memory-success-banner {
  text-align: center;
  padding: 16px;
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--success-color);
  border-radius: 8px;
  color: var(--success-color);
  font-weight: 600;
}
.memory-reset-btn {
  display: block;
  margin: 12px auto 0;
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.memory-reset-btn:hover {
  opacity: 0.9;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .blueprint-game-layout,
  .graph-game-container {
    grid-template-columns: 1fr;
  }
  .memory-grid-canvas {
    grid-template-columns: repeat(3, 1fr);
  }
}
}