/**
 * Social R Platform - Unified Master Stylesheet (Bundled v5.0)
 * Generated automatically by build.py - Self-contained with zero @import waterfall.
 */

/* ==========================================================================
   tokens.css
   ========================================================================== */
/**
 * Social R Platform - Design Tokens v2.0
 * Academic, IDE-inspired theme tokens with Inter & JetBrains Mono typography.
 */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:ital,wght@0,400;0,500;0,600;1,400&display=swap");

:root {
  /* Surface & Background */
  --sr-bg: #f8fafc;
  --sr-surface: #ffffff;
  --sr-surface-secondary: #f8fafc;
  --sr-surface-tertiary: #f1f5f9;
  
  /* Borders & Dividers */
  --sr-border: #e2e8f0;
  --sr-border-strong: #cbd5e1;
  --sr-border-subtle: #f1f5f9;

  /* Typography Colors */
  --sr-text: #0f172a;
  --sr-text-body: #334155;
  --sr-text-muted: #64748b;
  --sr-text-light: #94a3b8;

  /* Brand & Primary Actions (IDE Royal Blue) */
  --sr-primary: #2563eb;
  --sr-primary-hover: #1d4ed8;
  --sr-primary-light: #eff6ff;
  --sr-primary-border: #bfdbfe;

  /* Semantic State: Success (Emerald / Forest) */
  --sr-success: #16a34a;
  --sr-success-bg: #f0fdf4;
  --sr-success-border: #bbf7d0;
  --sr-success-text: #14532d;
  --sr-success-hover: #15803d;

  /* Semantic State: Warning / Review (Amber) */
  --sr-warning: #d97706;
  --sr-warning-bg: #fffbeb;
  --sr-warning-border: #fde68a;
  --sr-warning-text: #78350f;

  /* Semantic State: Danger / Technical Error (Crimson) */
  --sr-danger: #dc2626;
  --sr-danger-bg: #fef2f2;
  --sr-danger-border: #fecaca;
  --sr-danger-text: #7f1d1d;

  /* Semantic State: Info (Sky Blue) */
  --sr-info: #0284c7;
  --sr-info-bg: #f0f9ff;
  --sr-info-border: #bae6fd;
  --sr-info-text: #075985;

  /* Editor & IDE Surfaces */
  --sr-editor-bg: #ffffff;
  --sr-editor-header-bg: #f8fafc;
  --sr-gutter-bg: #f8fafc;
  --sr-active-line-bg: #f8fafc;
  --sr-selection-bg: #c7d2fe;
  --sr-selection-bg-unfocused: #e0e7ff;

  /* Dimensions */
  --sr-topbar-h: 44px;
  --sr-bottombar-h: 44px;
  --sr-left-width: 38%;

  /* Radii */
  --sr-radius-sm: 4px;
  --sr-radius-md: 6px;
  --sr-radius-lg: 8px;
  --sr-radius-full: 9999px;

  /* Shadows */
  --sr-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --sr-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);

  /* Typography Stacks */
  --sr-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sr-font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, Consolas, "Courier New", monospace;
}

/* Base SVGs & Icons safety rules */
svg {
  box-sizing: border-box;
  max-width: 100%;
}


/* ==========================================================================
   layout.css
   ========================================================================== */
/**
 * Social R Platform - Layout Styles v1.0
 * Hard viewport reset, app grid, resizable splitters, and drawer.
 */

/* 1. Full Viewport Hard Reset */
html, body {
  height: 100% !important;
  height: 100vh !important;
  height: 100dvh !important;
  min-height: 100% !important;
  min-height: 100vh !important;
  min-height: 100dvh !important;
  width: 100% !important;
  width: 100vw !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  font-family: var(--sr-font-sans);
  background-color: var(--sr-bg);
  color: var(--sr-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Hide Quarto Chrome Artifacts */
#quarto-header,
.navbar,
#quarto-margin-sidebar,
#title-block-header,
.quarto-title-block,
.quarto-title-meta,
footer.footer,
.headroom {
  display: none !important;
}

#quarto-content,
main.content,
.page-columns {
  height: 100% !important;
  height: 100vh !important;
  height: 100dvh !important;
  min-height: 100% !important;
  min-height: 100vh !important;
  min-height: 100dvh !important;
  width: 100% !important;
  width: 100vw !important;
  max-width: 100vw !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
}

/* 2. Master App Container */
.social-r-app {
  display: flex;
  flex-direction: column;
  height: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  width: 100vw;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: var(--sr-bg);
}

/* 3. Workspace Split Layout */
.sr-workspace {
  display: grid;
  grid-template-columns: minmax(320px, var(--sr-left-width, 36%)) 6px 1fr;
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
  position: relative;
  background-color: var(--sr-bg);
  contain: paint layout;
}

/* Horizontal Splitter */
.sr-splitter-h {
  width: 6px;
  background-color: var(--sr-border);
  cursor: col-resize;
  position: relative;
  user-select: none;
  transition: background-color 0.15s ease;
  z-index: 30;
}

.sr-splitter-h:hover,
.sr-splitter-h.is-dragging {
  background-color: #3b82f6;
}

.sr-splitter-h::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 1px;
  width: 4px;
  height: 24px;
  transform: translateY(-50%);
  background-color: #94a3b8;
  border-radius: 2px;
}

/* Vertical Splitter (Right Column) */
.sr-splitter-v {
  height: 6px;
  background-color: var(--sr-border);
  cursor: row-resize;
  position: relative;
  user-select: none;
  transition: background-color 0.15s ease;
  z-index: 30;
}

.sr-splitter-v:hover,
.sr-splitter-v.is-dragging {
  background-color: #3b82f6;
}

/* Dragging Overlay (prevents iframes / editors from swallowing mouse events) */
.sr-drag-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
}

.sr-drag-overlay.is-active-h {
  display: block;
  cursor: col-resize;
}

/* 4. Active Exercise Display State */
.social-r-exercise {
  display: none !important;
  height: 100%;
  width: 100%;
}

.social-r-exercise.is-active-exercise {
  display: contents !important;
}

/* 5. Course Outline Drawer */
.sr-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  visibility: hidden;
  pointer-events: none;
  transition: visibility 0.2s ease;
}

.sr-drawer-backdrop::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
  z-index: 100;
}

.sr-drawer-backdrop.is-open {
  visibility: visible;
  pointer-events: auto;
}

.sr-drawer-backdrop.is-open::before {
  opacity: 1;
}

.sr-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 350px;
  height: 100vh;
  background: #ffffff;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
  z-index: 101;
  display: flex;
  flex-direction: column;
  transform: translate3d(-100%, 0, 0);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  contain: layout paint;
  color: var(--sr-text);
  pointer-events: auto;
}

.sr-drawer-backdrop.is-open .sr-drawer {
  transform: translate3d(0, 0, 0);
}

.sr-drawer-header {
  padding: 12px 16px;
  background: var(--sr-surface-secondary);
  color: var(--sr-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sr-border);
}

.sr-drawer-title {
  font-size: 0.92rem;
  font-weight: 600;
  margin: 0;
}

.sr-drawer-close {
  background: transparent;
  border: none;
  color: var(--sr-text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
  padding: 2px 6px;
  border-radius: var(--sr-radius-sm);
}

.sr-drawer-close:hover {
  color: var(--sr-text);
  background: var(--sr-border);
}

.sr-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  contain: content;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.sr-drawer-module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid #e2e8f0;
}

.sr-drawer-module-header:first-child {
  margin-top: 0;
}

.sr-drawer-module-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
  font-weight: 700;
}

.sr-drawer-module-summary {
  font-size: 0.72rem;
  font-weight: 700;
  color: #64748b;
  background: #f1f5f9;
  padding: 1px 6px;
  border-radius: 4px;
}

.sr-drawer-module-summary.is-done {
  background: #dcfce7;
  color: #15803d;
}

.sr-drawer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: var(--sr-radius-sm, 6px);
  margin-bottom: 5px;
  cursor: pointer;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  font-size: 0.82rem;
  color: #1e293b;
  transition: all 0.15s ease;
  contain: layout paint;
}

.sr-drawer-item-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-right: 8px;
}

.sr-drawer-item:hover:not(.is-locked) {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.sr-drawer-item.is-active {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #1d4ed8;
  font-weight: 600;
}

.sr-drawer-item.is-locked {
  opacity: 0.45;
  cursor: not-allowed;
  background: #f8fafc;
  border-color: #f1f5f9;
  color: #94a3b8;
}

.sr-drawer-badge {
  font-size: 0.78rem;
  font-weight: 600;
  flex-shrink: 0;
}

.sr-drawer-badge.is-completed {
  color: #16a34a;
}

.sr-drawer-badge.is-current {
  color: #2563eb;
}

.sr-drawer-badge.is-available {
  color: #64748b;
}

.sr-drawer-badge.is-locked {
  color: #94a3b8;
  font-size: 0.7rem;
}


/* ==========================================================================
   topbar.css
   ========================================================================== */
/**
 * Social R Platform - TopBar Styles v3.0
 * Institutional header with 3-tier central exercise control, refined disabled states,
 * and robust truncation for long titles.
 */

.sr-topbar {
  background-color: var(--sr-surface, #ffffff);
  color: var(--sr-text, #0f172a);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--sr-border, #e2e8f0);
  z-index: 50;
  user-select: none;
  font-size: 0.86rem;
  height: var(--sr-topbar-h, 44px);
  min-height: var(--sr-topbar-h, 44px);
  flex: 0 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* Left: Logo & Breadcrumbs */
.sr-topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.sr-logo {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--sr-text, #0f172a);
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  letter-spacing: -0.01em;
  padding-right: 4px;
}

.sr-logo:hover {
  color: var(--sr-primary, #2563eb);
}

.sr-breadcrumb-sep {
  color: #cbd5e1;
  font-size: 0.75rem;
}

.sr-breadcrumb {
  color: var(--sr-text-muted, #64748b);
  font-weight: 400;
  font-size: 0.82rem;
}

.sr-breadcrumb-module {
  color: var(--sr-text, #0f172a);
  font-weight: 600;
  font-size: 0.82rem;
}

/* Center: 3-Tier Navigation Trigger Unit */
.sr-topbar-center {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  max-width: 680px;
  justify-content: center;
  margin: 0 12px;
  min-width: 0;
}

.sr-nav-btn {
  background: #ffffff;
  color: #334155;
  border: 1px solid #cbd5e1;
  border-radius: var(--sr-radius-sm, 6px);
  padding: 4px 11px;
  font-size: 0.78rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  font-weight: 500;
  font-family: var(--sr-font-sans);
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.sr-nav-btn:hover:not(:disabled) {
  background: #f8fafc;
  border-color: #94a3b8;
  color: #0f172a;
}

.sr-nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: #f8fafc;
  border-color: #e2e8f0;
  color: #94a3b8;
}

.sr-outline-trigger {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  color: var(--sr-text, #0f172a);
  padding: 3px 10px 3px 6px;
  border-radius: var(--sr-radius-sm, 6px);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sr-font-sans);
  transition: all 0.15s ease;
  max-width: 480px;
  min-width: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.sr-outline-trigger:hover {
  border-color: var(--sr-primary, #2563eb);
  background-color: #ffffff;
  box-shadow: 0 1px 4px rgba(37, 99, 235, 0.1);
}

.sr-topbar-mod-pill {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1d4ed8;
  font-size: 0.73rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.sr-topbar-sep-bar {
  color: #cbd5e1;
  font-weight: 300;
  font-size: 0.75rem;
  user-select: none;
  flex-shrink: 0;
}

.sr-topbar-counter {
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 500;
  opacity: 0.85;
  flex-shrink: 0;
  white-space: nowrap;
}

.sr-topbar-title {
  color: #0f172a;
  font-size: 0.83rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* Fallback span for combined text */
.sr-topbar-exercise-title {
  font-weight: 600;
  color: var(--sr-text, #0f172a);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sr-chevron-icon {
  width: 10px;
  height: 10px;
  color: #64748b;
  flex-shrink: 0;
  margin-left: 2px;
  transition: transform 0.15s ease;
}

.sr-outline-trigger:hover .sr-chevron-icon {
  color: var(--sr-primary, #2563eb);
}

/* Right: webR Runtime Status */
.sr-topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.sr-webr-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--sr-text-muted, #64748b);
  background: var(--sr-surface-secondary, #f8fafc);
  padding: 2px 10px;
  border-radius: var(--sr-radius-full, 9999px);
  border: 1px solid var(--sr-border, #e2e8f0);
  font-weight: 500;
  transition: all 0.2s ease;
}

.sr-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--sr-warning, #f59e0b);
  display: inline-block;
  transition: background-color 0.3s;
}

.sr-webr-status.is-ready {
  color: var(--sr-success-text, #15803d);
  background: var(--sr-success-bg, #f0fdf4);
  border-color: var(--sr-success-border, #bbf7d0);
}

.sr-webr-status.is-ready .sr-status-dot {
  background-color: var(--sr-success, #16a34a);
}

.sr-webr-status.is-busy {
  color: var(--sr-warning-text, #b45309);
  background: var(--sr-warning-bg, #fffbeb);
  border-color: var(--sr-warning-border, #fde68a);
}

.sr-webr-status.is-busy .sr-status-dot {
  background-color: var(--sr-warning, #f59e0b);
  animation: sr-pulse 1.2s infinite ease-in-out;
}

.sr-webr-status.is-error {
  color: var(--sr-danger-text, #b91c1c);
  background: var(--sr-danger-bg, #fef2f2);
  border-color: var(--sr-danger-border, #fecaca);
}

.sr-webr-status.is-error .sr-status-dot {
  background-color: var(--sr-danger, #ef4444);
}

@keyframes sr-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

@media (prefers-reduced-motion: reduce) {
  .sr-webr-status.is-busy .sr-status-dot {
    animation: none;
  }
}


/* ==========================================================================
   lesson-panel.css
   ========================================================================== */
/**
 * Social R Platform - Lesson Panel Styles v3.0 (Compact & High Information Density)
 * Pedagogical left panel: Hierarchical typography, compact vertical spacing,
 * minimal wasted margins, elegant blockquotes and code blocks.
 */

.sr-lesson-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  width: 100%;
  overflow: hidden;
  background-color: var(--sr-surface);
  border-right: 1px solid var(--sr-border);
  color: var(--sr-text);
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sr-lesson-content {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 0 12px 0;
  margin: 0;
  line-height: 1.46;
  color: var(--sr-text-body);
  font-size: 0.86rem;
  width: 100%;
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}

.sr-lesson-content::-webkit-scrollbar {
  width: 5px;
}

.sr-lesson-content::-webkit-scrollbar-track {
  background: transparent;
}

.sr-lesson-content::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.sr-lesson-content::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Section Containers & Dividers */
.sr-lesson-section {
  width: 100%;
  box-sizing: border-box;
  margin: 0 0 8px 0;
  padding: 0;
  border-bottom: 1px solid var(--sr-border);
}

.sr-lesson-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

/* Section Header Banners (Compact Full-Bleed) */
.sr-section-header {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #f8fafc;
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
  border-left: none;
  border-right: none;
  border-radius: 0;
  padding: 0 12px;
  margin: 0;
  height: 28px;
  min-height: 28px;
  max-height: 28px;
}

.sr-section-exercise .sr-section-header {
  border-top: none;
}

.sr-section-header-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sr-sec-icon {
  width: 13px;
  height: 13px;
  color: #64748b;
  flex-shrink: 0;
}

.sr-section-title {
  font-size: 0.76rem;
  font-weight: 600;
  color: #334155;
  text-transform: none;
  letter-spacing: normal;
}

.sr-section-badge {
  font-size: 0.68rem;
  font-weight: 500;
  color: #64748b;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 1px 6px;
  flex-shrink: 0;
  line-height: 1.2;
}

/* Section Body (Compact Padded Reading Content) */
.sr-section-body {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 14px 10px 14px;
}

.sr-section-body > *:first-child {
  margin-top: 0;
}

.sr-section-body > *:last-child {
  margin-bottom: 0;
}

/* 1. Sección Ejercicio (Título y Contexto Explicativo) */
h1.sr-exercise-title,
h2.sr-exercise-title,
h3.sr-exercise-title,
.sr-exercise-title > h3,
.sr-section-exercise h3.sr-exercise-title,
.sr-section-exercise h3 {
  color: var(--sr-text);
  margin-top: 0;
  margin-bottom: 6px;
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-transform: none;
}

/* Reset section wrapper generated by Pandoc for exercise headers */
section.sr-exercise-title,
section.sr-section-body {
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.46;
  color: var(--sr-text-body);
}

/* Párrafos del contexto explicativo */
.sr-section-exercise .sr-section-body p,
.sr-section-exercise p {
  margin-top: 0;
  margin-bottom: 5px;
  font-size: 0.85rem;
  line-height: 1.44;
  color: #334155;
  text-transform: none;
  font-weight: 400;
}

/* Listas y bullets del contexto explicativo */
.sr-section-exercise .sr-section-body ul,
.sr-section-exercise .sr-section-body ol,
.sr-section-exercise ul,
.sr-section-exercise ol {
  margin: 3px 0 5px 0;
  padding-left: 16px;
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.42;
  color: #334155;
}

.sr-section-exercise .sr-section-body li,
.sr-section-exercise li {
  margin-bottom: 2px;
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.42;
  color: #334155;
}

.sr-section-exercise .sr-section-body li:last-child,
.sr-section-exercise li:last-child {
  margin-bottom: 0;
}

.sr-section-exercise .sr-section-body strong,
.sr-section-exercise strong {
  font-weight: 600;
  color: #0f172a;
  font-size: inherit;
}

.sr-section-exercise .sr-section-body code,
.sr-section-exercise code,
.sr-lesson-panel code:not(pre code) {
  font-size: 0.82em;
  font-weight: 500;
  padding: 1px 4px;
  border-radius: 3px;
  background-color: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #0f172a;
}

/* Blockquotes compactos en el panel pedagógico */
.sr-lesson-panel blockquote {
  margin: 4px 0 6px 0 !important;
  padding: 3px 10px !important;
  border-left: 3px solid var(--sr-primary, #2563eb) !important;
  background: #f8fafc !important;
  border-radius: 0 4px 4px 0 !important;
  color: #334155 !important;
  font-size: 0.84rem !important;
  line-height: 1.38 !important;
}

.sr-lesson-panel blockquote p {
  margin: 0 !important;
  font-style: italic;
  color: inherit;
  line-height: 1.38 !important;
}

/* Code blocks compactos en el panel pedagógico */
.sr-lesson-panel .sourceCode,
.sr-lesson-panel pre {
  margin: 4px 0 5px 0 !important;
  padding: 4px 8px !important;
  background: #f8fafc !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 4px !important;
  font-family: var(--sr-font-mono, monospace) !important;
  font-size: 0.80rem !important;
  line-height: 1.32 !important;
  max-width: 100%;
  overflow-x: auto;
}

.sr-lesson-panel pre code {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  font-size: inherit !important;
  color: #0f172a !important;
}

/* Objetivo: Compacto, sobrio con acento azul/indigo y target icon */
.sr-objective-block {
  width: 100%;
  box-sizing: border-box;
  background-color: #f8fafc;
  border: 1px solid var(--sr-border);
  border-left: 3px solid var(--sr-primary);
  border-radius: var(--sr-radius-sm);
  padding: 5px 10px;
  margin-top: 6px;
  margin-bottom: 2px;
}

.sr-objective-header {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 2px;
}

.sr-target-icon {
  width: 12px;
  height: 12px;
  color: var(--sr-primary);
  flex-shrink: 0;
}

.sr-objective-label {
  font-weight: 700;
  color: var(--sr-primary);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.sr-objective-text {
  font-weight: 500;
  font-size: 0.81rem;
  color: var(--sr-text);
  line-height: 1.35;
}

/* 2. Sección Instrucciones (Accionable y Clara) */
.sr-task-heading {
  font-weight: 700;
  font-size: 0.88rem;
  color: #0f172a;
  margin: 0 0 4px 0;
  text-transform: none;
  letter-spacing: -0.01em;
}

.sr-section-instructions .sr-section-body p,
.sr-section-instructions p {
  margin-top: 0;
  margin-bottom: 5px;
  font-size: 0.86rem;
  line-height: 1.44;
  color: #1e293b;
  font-weight: 400;
}

.sr-section-instructions .sr-section-body ol,
.sr-section-instructions .sr-section-body ul,
.sr-section-instructions ol,
.sr-section-instructions ul {
  margin: 3px 0 6px 0;
  padding-left: 16px;
}

.sr-section-instructions .sr-section-body li,
.sr-section-instructions li {
  margin-bottom: 3px;
  font-size: 0.86rem;
  line-height: 1.42;
  color: #1e293b;
  font-weight: 400;
}

.sr-section-instructions .sr-section-body li:last-child,
.sr-section-instructions li:last-child {
  margin-bottom: 0;
}

.sr-section-instructions .sr-section-body strong,
.sr-section-instructions strong {
  font-weight: 600;
  color: #0f172a;
}

.sr-workflow-subblock {
  width: 100%;
  box-sizing: border-box;
  margin-top: 8px;
  background-color: #fafbfc;
  border: 1px dashed var(--sr-border-strong);
  border-radius: var(--sr-radius-sm);
  padding: 6px 10px;
}

.sr-workflow-heading {
  font-weight: 600;
  font-size: 0.74rem;
  color: var(--sr-text-muted);
  text-transform: none;
  letter-spacing: normal;
  margin: 0 0 4px 0;
}

.sr-workflow-subblock ul,
.sr-workflow-subblock ol {
  margin: 0;
  padding-left: 16px;
}

.sr-workflow-subblock li {
  margin-bottom: 2px;
  font-size: 0.80rem;
  color: var(--sr-text-body);
  line-height: 1.38;
}

.sr-workflow-subblock li:last-child {
  margin-bottom: 0;
}

/* 3. Sección Ayuda & Pistas (Progressive Scaffolding) */
.sr-hints-container {
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sr-hints-list {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 0;
}

.sr-hints-list:not(.has-revealed) {
  margin: 0 !important;
  gap: 0 !important;
}

.sr-hints-list:has(.sr-hint-card.is-revealed),
.sr-hints-list.has-revealed {
  margin-bottom: 6px;
}

.sr-hint-card[hidden],
.sr-hint-card:not(.is-revealed) {
  display: none !important;
}

.sr-hint-card.is-revealed {
  display: block !important;
  background: var(--sr-surface-secondary, #f8fafc);
  border: 1px solid var(--sr-border, #e2e8f0);
  border-left: 3px solid var(--sr-primary, #2563eb);
  border-radius: var(--sr-radius-sm, 6px);
  padding: 6px 10px;
  box-sizing: border-box;
  animation: sr-hint-fade-in 180ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes sr-hint-fade-in {
  from {
    opacity: 0;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sr-hint-card.is-revealed {
    animation: none !important;
    transform: none !important;
    transition: none !important;
  }
}

.sr-hint-card-header {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 2px;
}

.sr-hint-card-title {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--sr-primary, #1e40af);
  letter-spacing: 0.01em;
}

.sr-hint-card-body {
  font-size: 0.80rem;
  line-height: 1.38;
  color: var(--sr-text, #334155);
}

.sr-hint-card-body p {
  margin: 0 0 3px 0;
}

.sr-hint-card-body p:last-child {
  margin-bottom: 0;
}

.sr-hint-card .sourceCode,
.sr-hint-card pre {
  margin: 3px 0 0 0 !important;
  padding: 4px 6px !important;
  background: var(--sr-surface, #ffffff) !important;
  border: 1px solid var(--sr-border, #e2e8f0) !important;
  border-radius: var(--sr-radius-sm, 4px) !important;
  font-family: var(--sr-font-mono, monospace) !important;
  font-size: 0.78rem !important;
  line-height: 1.3 !important;
}

.sr-help-actions {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.sr-hint-toggle-btn {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #1e40af;
  font-weight: 600;
  font-size: 0.76rem;
  padding: 3px 10px;
  border-radius: var(--sr-radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--sr-font-sans);
  transition: all 0.15s ease;
  line-height: 1.3;
}

.sr-hint-toggle-btn:hover:not(:disabled) {
  background: #eff6ff;
  border-color: #93c5fd;
}

.sr-hint-toggle-btn:focus-visible {
  outline: 2px solid var(--sr-primary, #2563eb);
  outline-offset: 2px;
}

.sr-hint-toggle-btn .sr-btn-icon {
  width: 12px;
  height: 12px;
  color: #2563eb;
  flex-shrink: 0;
}


/* ==========================================================================
   editor.css
   ========================================================================== */
/**
 * Social R Platform - Editor Styles v1.0
 * Clean light IDE CodeMirror editor with script.R tab, shortcut badge, and reset button.
 */

/* 1. Coding Panel Container */
.sr-coding-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  background-color: var(--sr-surface);
}

.sr-editor-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  position: relative;
  overflow: hidden;
  background-color: var(--sr-surface);
}

/* 2. Editor Header & Tabs */
.sr-editor-header {
  height: 36px;
  background-color: var(--sr-editor-header-bg);
  border-bottom: 1px solid var(--sr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  user-select: none;
  flex: 0 0 36px;
  box-sizing: border-box;
}

.sr-editor-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background-color: var(--sr-surface);
  color: var(--sr-text);
  font-size: 0.82rem;
  font-family: var(--sr-font-mono);
  padding: 4px 12px;
  border-radius: 5px 5px 0 0;
  border: 1px solid var(--sr-border);
  border-bottom: 1px solid var(--sr-surface);
  font-weight: 600;
  margin-top: 4px;
}

.sr-r-file-icon {
  width: 14px;
  height: 16px;
  flex-shrink: 0;
}

.sr-tab-filename {
  letter-spacing: -0.01em;
}

.sr-tab-close {
  font-size: 0.95rem;
  color: var(--sr-text-light);
  cursor: default;
  margin-left: 4px;
  line-height: 1;
}

.sr-editor-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sr-shortcut-badge {
  font-size: 0.75rem;
  color: var(--sr-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.sr-kbd-icon {
  width: 13px;
  height: 13px;
  color: var(--sr-text-light);
  flex-shrink: 0;
}

.sr-btn-reset {
  background: var(--sr-surface);
  border: 1px solid var(--sr-border);
  color: var(--sr-text-muted);
  font-size: 0.76rem;
  padding: 3px 9px;
  border-radius: var(--sr-radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--sr-font-sans);
  font-weight: 500;
  transition: all 0.15s ease;
}

.sr-btn-reset .sr-btn-icon {
  width: 12px;
  height: 12px;
  color: var(--sr-text-muted);
  flex-shrink: 0;
}

.sr-btn-reset:hover {
  background: var(--sr-surface-secondary);
  color: var(--sr-text);
  border-color: var(--sr-border-strong);
}

.sr-btn-reset:hover .sr-btn-icon {
  color: var(--sr-text);
}

/* 3. Editor Body & CodeMirror Container (2/3 of Workspace) */
.sr-editor-body {
  flex: 2 1 0%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: var(--sr-surface);
  overflow-y: auto;
}

/* Unnesting Quarto Live OJS wrapper blocks */
.sr-editor-body > div:not(.quarto-ojs-hide),
.sr-editor-body .ojs-in-a-box-waiting-for-module-import:not(.quarto-ojs-hide),
.sr-editor-body .exercise-cell {
  display: contents !important;
}

.sr-editor-body .card.exercise-editor {
  order: 1 !important;
  border: none !important;
  border-radius: 0 !important;
  background: var(--sr-surface) !important;
  margin: 0 !important;
  padding: 0 !important;
  flex: 1 1 auto !important;
  display: flex !important;
  flex-direction: column !important;
}

/* CodeMirror 6 Light Theme */
.sr-editor-body .cm-editor {
  flex: 1 1 auto !important;
  min-height: 160px !important;
  height: 100% !important;
  background-color: var(--sr-surface) !important;
  color: var(--sr-text) !important;
  font-family: var(--sr-font-mono) !important;
  font-size: 0.92rem !important;
  line-height: 1.55 !important;
  outline: none !important;
  border: none !important;
}

/* Eliminate CodeMirror 6 default dotted outline on focus */
.sr-editor-body .cm-editor.cm-focused,
.sr-editor-body .cm-editor:focus,
.sr-editor-body .cm-editor:focus-within,
.sr-editor-body .cm-content,
.sr-editor-body .cm-content:focus,
.sr-editor-body .cm-scroller,
.sr-editor-body .cm-scroller:focus,
.sr-editor-body .card.exercise-editor:focus,
.sr-editor-body .card.exercise-editor:focus-within {
  outline: none !important;
  outline-style: none !important;
  outline-width: 0 !important;
  box-shadow: none !important;
  border-bottom: none !important;
}

.sr-editor-body .cm-scroller {
  padding: 6px 0 !important;
  height: 100% !important;
  outline: none !important;
}

.sr-editor-body .cm-gutters {
  background-color: var(--sr-gutter-bg) !important;
  color: #94a3b8 !important;
  border-right: 1px solid var(--sr-border) !important;
  padding-right: 6px !important;
}

.sr-editor-body .cm-activeLine {
  background-color: var(--sr-active-line-bg) !important;
}

.sr-editor-body .cm-activeLineGutter {
  background-color: var(--sr-surface-secondary) !important;
  color: var(--sr-text) !important;
  font-weight: 600 !important;
}

.sr-editor-body .cm-selectionBackground,
.sr-editor-body .cm-selectionLayer .cm-selectionBackground,
.sr-editor-body .cm-line::selection,
.sr-editor-body .cm-line *::selection,
.sr-editor-body .cm-content::selection,
.sr-editor-body .cm-content *::selection,
.sr-editor-body ::selection {
  background-color: var(--sr-selection-bg) !important;
}

.sr-editor-body .cm-editor.cm-focused .cm-selectionBackground,
.sr-editor-body .cm-editor.cm-focused .cm-selectionLayer .cm-selectionBackground {
  background-color: var(--sr-selection-bg) !important;
}

.sr-editor-body .cm-editor:not(.cm-focused) .cm-selectionBackground,
.sr-editor-body .cm-editor:not(.cm-focused) .cm-selectionLayer .cm-selectionBackground {
  background-color: var(--sr-selection-bg-unfocused) !important;
}

/* Syntax Highlighting */
.sr-editor-body .cm-line {
  color: var(--sr-text);
  padding: 0 8px !important;
}

.sr-editor-body .cm-operator,
.sr-editor-body span[class*="operator"],
.sr-editor-body .tok-operator {
  color: #334155 !important;
  font-weight: 600;
}

.sr-editor-body .cm-number,
.sr-editor-body .tok-number {
  color: #1d4ed8 !important;
}

.sr-editor-body .cm-string,
.sr-editor-body .tok-string {
  color: #b91c1c !important;
}

.sr-editor-body .cm-comment,
.sr-editor-body .tok-comment {
  color: #94a3b8 !important;
  font-style: italic;
}

.sr-editor-body .cm-keyword,
.sr-editor-body .tok-keyword {
  color: #7c3aed !important;
  font-weight: 600;
}

.sr-editor-body .cm-function,
.sr-editor-body .tok-function {
  color: #0f766e !important;
}

/* 4. Hide Native Quarto Live Controls & Leaks */
.sr-editor-body .card-header,
.sr-editor-body .exercise-editor-header,
.sr-editor-body .card-footer {
  position: absolute !important;
  opacity: 0 !important;
  pointer-events: none !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
}

.sr-editor-body .exercise-grade,
.sr-editor-body .exercise-editor-feedback,
.sr-editor-body .cell[data-check="true"],
.sr-editor-body .cell[data-check],
.sr-editor-body .cell[data-setup="true"],
.sr-editor-body .cell[data-setup] {
  display: none !important;
}

.sr-editor-body .quarto-ojs-hide,
.sr-editor-body .observablehq--inspect,
.sr-editor-body .observablehq--cellname {
  display: none !important;
}

.sr-editor-body .cell:not([data-check]):not([data-setup]) {
  display: block !important;
}


/* ==========================================================================
   output.css
   ========================================================================== */
/**
 * Social R Platform - Console & Action Bar Styles v3.0
 * Unified single continuous Consola R transcript, single vertical scrollbar,
 * auto-scroll, clear action, and clean R output rendering.
 */

/* 1. Main Action Bar (Compact, Right-Aligned) */
.sr-actions-bar {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  padding: 6px 14px !important;
  background-color: #ffffff !important;
  border-top: 1px solid var(--sr-border) !important;
  border-bottom: 1px solid var(--sr-border) !important;
  flex: 0 0 auto !important;
  box-sizing: border-box;
}

.sr-btn-submit {
  width: auto !important;
  min-width: auto !important;
  height: 34px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  font-size: 0.84rem !important;
  font-family: var(--sr-font-sans) !important;
  font-weight: 600 !important;
  padding: 0 16px !important;
  border-radius: var(--sr-radius-sm) !important;
  cursor: pointer !important;
  background-color: var(--sr-primary) !important;
  color: #ffffff !important;
  border: 1px solid var(--sr-primary-hover) !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06) !important;
  transition: all 0.15s ease !important;
}

.sr-btn-submit:hover:not(:disabled) {
  background-color: var(--sr-primary-hover) !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

.sr-btn-submit:active:not(:disabled) {
  transform: translateY(1px);
}

.sr-btn-submit:disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
}

/* 2. Unified Consola R Panel (Structural Shell) */
.sr-console-panel {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 1 0% !important;
  min-height: 0 !important;
  background-color: #ffffff !important;
  border-bottom: 1px solid var(--sr-border) !important;
  overflow: hidden !important;
  box-sizing: border-box;
}

.sr-console-header {
  height: 32px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0 14px !important;
  background-color: #f8fafc !important;
  border-bottom: 1px solid var(--sr-border) !important;
  user-select: none !important;
  flex: 0 0 32px !important;
  box-sizing: border-box;
}

.sr-console-title {
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.08em !important;
  color: #64748b !important;
  font-family: var(--sr-font-sans) !important;
}

.sr-console-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sr-btn-clear-console {
  background: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
  color: #64748b !important;
  font-size: 0.72rem !important;
  font-weight: 500 !important;
  padding: 2px 8px !important;
  border-radius: 3px !important;
  cursor: pointer !important;
  font-family: var(--sr-font-sans) !important;
  transition: all 0.15s !important;
}

.sr-btn-clear-console:hover {
  color: #0f172a !important;
  border-color: #94a3b8 !important;
  background: #f1f5f9 !important;
}

/* 3. Single Continuous Transcript Container (THE ONLY SCROLLABLE VIEWPORT IN CONSOLE) */
.sr-console-transcript {
  flex: 1 1 0% !important;
  min-height: 0 !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  padding: 10px 14px !important;
  background-color: #ffffff !important;
  color: #0f172a !important;
  font-family: var(--sr-font-mono) !important;
  font-size: 0.88rem !important;
  line-height: 1.5 !important;
  box-sizing: border-box !important;
  display: block !important;
}

/* Console Entries (Continuous Sequential Flow) */
.sr-console-entry {
  margin-bottom: 16px !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: flex-start !important;
  align-items: stretch !important;
  gap: 4px !important;
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
  flex: 0 0 auto !important;
  overflow: visible !important;
}

.sr-console-entry:last-child {
  margin-bottom: 4px !important;
}

/* Command Prompt (> code and + code) */
.sr-console-prompt {
  color: #334155 !important;
  font-weight: 600 !important;
  font-family: var(--sr-font-mono) !important;
  font-size: 0.88rem !important;
  line-height: 1.45 !important;
  white-space: pre-wrap !important;
  word-break: break-word !important;
  margin: 0 !important;
  padding: 0 !important;
  height: auto !important;
  min-height: 0 !important;
}

/* Output Bodies & Pre Blocks - NO internal scrollbars, natural compact height */
.sr-console-output-body,
.sr-console-error,
.sr-console-entry .cell-output,
.sr-console-entry .exercise-cell-output,
.sr-console-entry .cell-output-container {
  margin: 0 !important;
  padding: 0 !important;
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
  flex: 0 0 auto !important;
  background: transparent !important;
  border: none !important;
  overflow: visible !important;
  box-shadow: none !important;
}

/* Normalise PRE, CODE, P inside transcript */
.sr-console-transcript pre,
.sr-console-transcript code,
.sr-console-transcript p,
.sr-console-entry pre,
.sr-console-entry code {
  margin: 0 !important;
  padding: 0 !important;
  font-family: var(--sr-font-mono) !important;
  font-size: 0.88rem !important;
  line-height: 1.45 !important;
  white-space: pre-wrap !important;
  word-break: break-word !important;
  background: transparent !important;
  border: none !important;
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
  box-shadow: none !important;
}

.sr-console-entry .cell-output-stdout pre,
.sr-console-entry .cell-output-stdout code,
.sr-console-entry .cell-output-stdout {
  color: #0f172a !important;
  font-weight: 500 !important;
}

/* R Errors & Warnings inside Console - Compact, sober red without alert cards */
.sr-console-entry.is-error .sr-console-error,
.sr-console-entry .sr-console-error,
.sr-console-entry .sr-console-error pre,
.sr-console-entry .sr-console-error code,
.sr-console-entry .cell-output-stderr,
.sr-console-entry .cell-output-stderr pre,
.sr-console-entry .cell-output-stderr code {
  color: #dc2626 !important;
  font-weight: 500 !important;
  font-family: var(--sr-font-mono) !important;
  font-size: 0.88rem !important;
  line-height: 1.45 !important;
  background: transparent !important;
  border: none !important;
  margin: 0 !important;
  padding: 0 !important;
  height: auto !important;
  min-height: 0 !important;
}

/* Reset Quarto Live Callouts if any leaks through */
.sr-console-entry .callout,
.sr-console-entry .callout-important,
.sr-console-entry .callout-danger {
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  height: auto !important;
  min-height: 0 !important;
}

.sr-console-entry .callout-header {
  display: none !important;
}

.sr-console-entry .callout-body,
.sr-console-entry .callout-body-container {
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  background: transparent !important;
  height: auto !important;
  min-height: 0 !important;
}

/* 4. Hide Native Quarto Live Output in Editor Body to prevent duplicate visual boxes */
.sr-editor-body .cell-output-container,
.sr-editor-body .exercise-cell-output,
.sr-editor-body .cell-output {
  display: none !important;
  height: 0 !important;
  overflow: hidden !important;
}


/* ==========================================================================
   feedback.css
   ========================================================================== */
/**
 * Social R Platform - Enhanced Feedback & Celebration Modal Styles v4.0
 * Motivating, academic, polished success state with micro-celebration, progression clarity,
 * and elegant module-completion celebration modal with learning outcomes and contextual CTAs.
 */

.sr-feedback-container {
  padding: 8px 14px 10px 14px;
  background-color: var(--sr-surface);
  flex: 0 0 auto;
}

.sr-feedback-card {
  border-radius: var(--sr-radius-md, 8px);
  padding: 14px 18px;
  font-size: 0.9rem;
  line-height: 1.5;
  display: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.sr-feedback-card.is-visible {
  display: block !important;
  animation: sr-feedback-entrance 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes sr-feedback-entrance {
  0% {
    opacity: 0;
    transform: translateY(6px) scale(0.99);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ==========================================================================
   1. ENHANCED SUCCESS STATE (Micro-celebration & Progression Reward)
   ========================================================================== */

.sr-feedback-card.is-success {
  background: linear-gradient(180deg, #f0fdf4 0%, #ecfdf5 100%);
  border: 1px solid #86efac;
  border-left: 4.5px solid #16a34a;
  color: #14532d;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.12), 0 1px 3px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

.sr-feedback-card.is-success-enhanced {
  animation: sr-success-card-entrance 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes sr-success-card-entrance {
  0% {
    opacity: 0;
    transform: translateY(8px) scale(0.985);
    box-shadow: 0 2px 4px rgba(22, 163, 74, 0.04);
  }
  60% {
    transform: translateY(-1px) scale(1.003);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.12), 0 1px 3px rgba(0, 0, 0, 0.04);
  }
}

/* Header & Animated Success Badge */
.sr-feedback-card.is-success .sr-feedback-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.sr-feedback-header-content {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sr-feedback-card.is-success .sr-feedback-title {
  color: #15803d;
  font-size: 0.98rem;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.sr-success-level-up {
  display: inline-flex;
  align-items: center;
  background: #dcfce7;
  color: #166534;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 9999px;
  border: 1px solid #bbf7d0;
}

/* Animated Check Icon Badge */
.sr-feedback-icon-badge.is-success.sr-success-badge-animated {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.35);
  animation: sr-badge-pulse 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s 1;
}

@keyframes sr-badge-pulse {
  0% {
    transform: scale(0.8);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  }
  50% {
    transform: scale(1.12);
    box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 2px 6px rgba(22, 163, 74, 0.35);
  }
}

.sr-check-path {
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
  animation: sr-check-draw 0.38s ease-out 0.18s forwards;
}

@keyframes sr-check-draw {
  to {
    stroke-dashoffset: 0;
  }
}

/* Body / Pedagogical Content */
.sr-feedback-card.is-success .sr-feedback-body {
  color: #14532d;
  font-size: 0.89rem;
  line-height: 1.55;
  margin-top: 2px;
}

.sr-feedback-body p.sr-feedback-p {
  margin: 0 0 8px 0;
  line-height: 1.55;
}

.sr-feedback-body p.sr-feedback-p:last-child {
  margin-bottom: 0;
}

.sr-feedback-body strong {
  font-weight: 750;
  color: inherit;
}

.sr-feedback-body code,
.sr-inline-code {
  font-family: var(--sr-font-mono, monospace);
  background: rgba(0, 0, 0, 0.06);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.88em;
}

.sr-feedback-list {
  margin: 8px 0;
  padding-left: 20px;
  line-height: 1.5;
}

.sr-feedback-list li {
  margin-bottom: 4px;
}

/* Styled Pedagogical Conceptual Quote */
.sr-feedback-quote {
  margin: 10px 0;
  padding: 10px 14px;
  border-left: 3.5px solid #16a34a;
  background: rgba(255, 255, 255, 0.75);
  border-radius: 0 6px 6px 0;
  font-style: normal;
  color: #166534;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.sr-feedback-quote p {
  margin: 0 0 6px 0;
  line-height: 1.5;
}

.sr-feedback-quote p:last-child {
  margin-bottom: 0;
}

.sr-feedback-quote strong {
  color: #14532d;
  font-weight: 750;
}

.sr-feedback-card.is-warning .sr-feedback-quote {
  border-left-color: #d97706;
  background: rgba(255, 255, 255, 0.65);
  color: #92400e;
}

.sr-feedback-card.is-error .sr-feedback-quote {
  border-left-color: #dc2626;
  background: rgba(255, 255, 255, 0.65);
  color: #991b1b;
}

/* Progress Capsule / Level Up Box */
.sr-success-progress-capsule {
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(4px);
  border: 1px solid #bbf7d0;
  border-radius: var(--sr-radius-sm, 6px);
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.sr-success-progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.82rem;
}

.sr-success-step-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #166534;
  font-weight: 600;
}

.sr-success-mini-icon {
  width: 14px;
  height: 14px;
  color: #16a34a;
}

.sr-success-pct-badge {
  background: #dcfce7;
  color: #15803d;
  font-weight: 700;
  font-size: 0.76rem;
  padding: 1px 7px;
  border-radius: 9999px;
  border: 1px solid #86efac;
}

.sr-success-next-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: #1f2937;
  border-top: 1px solid rgba(187, 247, 208, 0.6);
  padding-top: 4px;
}

.sr-success-next-row.is-module-end {
  background: rgba(220, 252, 231, 0.4);
  padding: 4px 6px;
  border-radius: 4px;
  border-top: none;
}

.sr-next-label {
  color: #64748b;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.sr-next-sep {
  color: #64748b;
  font-weight: 600;
  margin-right: 2px;
}

.sr-next-title {
  color: #0f172a;
  font-weight: 600;
}

/* Actions Container & Primary "Continuar →" Button */
.sr-feedback-card.is-success .sr-feedback-actions {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
}

.sr-btn-feedback-continue.sr-btn-continue-unlocked {
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  color: #ffffff;
  border: 1px solid #16a34a;
  padding: 7px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--sr-radius-sm, 6px);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sr-font-sans);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.25), 0 1px 2px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
  animation: sr-btn-continue-pop 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.15s backwards;
}

.sr-btn-feedback-continue.sr-btn-celebrate-module {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  border: 1px solid #1d4ed8;
  padding: 7px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--sr-radius-sm, 6px);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sr-font-sans);
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.sr-btn-feedback-continue.sr-btn-celebrate-module:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

@keyframes sr-btn-continue-pop {
  0% {
    opacity: 0;
    transform: scale(0.94) translateY(4px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.sr-btn-feedback-continue.sr-btn-continue-unlocked:hover {
  background: linear-gradient(135deg, #15803d 0%, #166534 100%);
  border-color: #15803d;
  color: #ffffff;
  transform: translateY(-1.5px);
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.35), 0 2px 4px rgba(0, 0, 0, 0.08);
}

.sr-btn-feedback-continue.sr-btn-continue-unlocked:hover .sr-arrow-icon {
  transform: translateX(3px);
}

.sr-btn-feedback-continue.sr-btn-continue-unlocked:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(22, 163, 74, 0.2);
}

.sr-arrow-icon {
  width: 14px;
  height: 14px;
  transition: transform 0.18s ease;
}

/* Module Completed Achievement Badge */
.sr-badge-completed.sr-badge-completed-glow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  color: #14532d;
  background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
  border: 1.5px solid #86efac;
  padding: 6px 16px;
  border-radius: var(--sr-radius-sm, 6px);
  font-size: 0.86rem;
  box-shadow: 0 2px 8px rgba(22, 163, 74, 0.2);
}

.sr-trophy-icon {
  width: 15px;
  height: 15px;
  color: #16a34a;
}

/* ==========================================================================
   2. WARNING / REVIEW STATE (Casi)
   ========================================================================== */

.sr-feedback-card.is-warning {
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  border-left: 4px solid #d97706;
  color: #78350f;
}

.sr-feedback-card.is-warning .sr-feedback-title {
  color: #92400e;
  font-size: 0.94rem;
  font-weight: 700;
}

.sr-feedback-card.is-warning .sr-feedback-body {
  color: #92400e;
  font-size: 0.88rem;
  margin-top: 3px;
}

/* ==========================================================================
   3. INFO STATE
   ========================================================================== */

.sr-feedback-card.is-info {
  background-color: #f0f9ff;
  border: 1px solid #bae6fd;
  border-left: 4px solid #0284c7;
  color: #075985;
}

.sr-feedback-card.is-info .sr-feedback-title {
  color: #0369a1;
  font-size: 0.94rem;
  font-weight: 700;
}

.sr-feedback-card.is-info .sr-feedback-body {
  color: #0369a1;
  font-size: 0.88rem;
  margin-top: 3px;
}

/* ==========================================================================
   4. TECHNICAL ERROR STATE
   ========================================================================== */

.sr-feedback-card.is-error {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  border-left: 4px solid #dc2626;
  color: #7f1d1d;
}

.sr-feedback-card.is-error .sr-feedback-title {
  color: #991b1b;
  font-size: 0.94rem;
  font-weight: 700;
}

/* General Icons & Badges */
.sr-feedback-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.sr-feedback-icon-badge {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sr-feedback-icon-badge.is-warning {
  background-color: #fef3c7;
  color: #d97706;
}

.sr-feedback-icon-badge.is-error {
  background-color: #fee2e2;
  color: #dc2626;
}

.sr-check-svg {
  width: 14px;
  height: 14px;
}

.sr-warn-svg {
  width: 14px;
  height: 14px;
}

.sr-feedback-title {
  font-weight: 700;
  font-size: 0.94rem;
}

.sr-feedback-body {
  font-size: 0.88rem;
  line-height: 1.5;
}

.sr-feedback-body p {
  margin: 0 0 4px 0;
}

.sr-feedback-body p:last-child {
  margin-bottom: 0;
}

.sr-feedback-body code {
  background: rgba(0, 0, 0, 0.05);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--sr-font-mono);
  font-size: 0.86em;
}

/* ==========================================================================
   5. ACADEMIC CELEBRATION MODAL (Module Completion)
   ========================================================================== */

.sr-celebration-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.sr-celebration-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.sr-celebration-card {
  position: relative;
  width: 90%;
  max-width: 520px;
  background: #ffffff;
  border-radius: var(--sr-radius-lg, 12px);
  border: 1px solid var(--sr-border, #e2e8f0);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.2);
  padding: 32px 28px 28px 28px;
  text-align: center;
  overflow: hidden;
  animation: sr-celebration-entry 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes sr-celebration-entry {
  0% {
    opacity: 0;
    transform: scale(0.92) translateY(12px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.sr-celebration-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: none;
  font-size: 1.3rem;
  color: var(--sr-text-muted, #64748b);
  cursor: pointer;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.sr-celebration-close:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.sr-celebration-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
}

.sr-celebration-icon-box {
  width: 56px !important;
  height: 56px !important;
  max-width: 56px !important;
  max-height: 56px !important;
  border-radius: 50% !important;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%) !important;
  color: #ffffff !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin: 0 auto 14px auto !important;
  box-shadow: 0 6px 18px rgba(22, 163, 74, 0.3) !important;
  flex-shrink: 0 !important;
}

.sr-celebration-check,
.sr-celebration-icon-box svg {
  width: 28px !important;
  height: 28px !important;
  max-width: 28px !important;
  max-height: 28px !important;
}

.sr-celebration-badge {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #15803d;
  background: #dcfce7;
  padding: 3px 10px;
  border-radius: var(--sr-radius-full, 9999px);
  margin-bottom: 8px;
}

.sr-celebration-title {
  font-size: 1.35rem;
  font-weight: 750;
  color: #0f172a;
  margin: 0 0 6px 0;
  line-height: 1.25;
}

.sr-celebration-subtitle {
  font-size: 0.88rem;
  color: #475569;
  margin: 0 0 20px 0;
}

.sr-celebration-outcomes {
  text-align: left;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--sr-radius-md, 8px);
  padding: 14px 16px;
  margin-bottom: 20px;
}

.sr-outcomes-heading {
  font-size: 0.74rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #64748b;
  margin-bottom: 8px;
}

.sr-outcomes-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.sr-outcome-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.84rem;
  color: #1e293b;
  line-height: 1.35;
}

.sr-outcome-check-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  user-select: none;
  margin-top: 2px;
}

.sr-outcome-check {
  width: 15px;
  height: 15px;
  color: #16a34a;
  flex-shrink: 0;
  display: block;
}

.sr-outcome-text {
  flex: 1;
  min-width: 0;
}

.sr-celebration-next-section {
  border-top: 1px solid #f1f5f9;
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.sr-next-step-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sr-next-step-title {
  font-size: 0.94rem;
  font-weight: 700;
  color: #0f172a;
}

.sr-btn-cel-continue {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--sr-primary, #2563eb);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 9px 22px;
  border-radius: var(--sr-radius-sm, 6px);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  font-family: var(--sr-font-sans);
  margin-top: 4px;
}

.sr-btn-cel-continue:hover {
  background: var(--sr-primary-hover, #1d4ed8);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

.sr-btn-cel-continue svg {
  width: 14px;
  height: 14px;
}

/* Accessibility: Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .sr-feedback-card.is-visible,
  .sr-feedback-card.is-success-enhanced,
  .sr-feedback-icon-badge.is-success.sr-success-badge-animated,
  .sr-check-path,
  .sr-btn-feedback-continue.sr-btn-continue-unlocked,
  .sr-celebration-backdrop,
  .sr-celebration-card,
  .sr-btn-cel-continue {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
  .sr-check-path {
    stroke-dashoffset: 0 !important;
  }
}

/* Standby Module Deep Link Notification Toast */
.sr-standby-notice {
  position: fixed;
  top: 56px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  max-width: 90vw;
}
.sr-standby-notice.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.sr-standby-notice-content {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--sr-surface-2, #181c27);
  border: 1px solid var(--sr-primary, #6366f1);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  border-radius: var(--sr-radius-md, 8px);
  padding: 10px 16px;
  color: var(--sr-text, #f3f4f6);
  font-size: 0.875rem;
  line-height: 1.4;
}
.sr-standby-notice-text {
  font-weight: 500;
}
.sr-standby-notice-link {
  color: #c7d2fe;
  text-decoration: underline;
  margin-left: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.15s ease;
}
.sr-standby-notice-link:hover {
  color: #ffffff;
}
.sr-standby-notice-close {
  background: transparent;
  border: none;
  color: var(--sr-text-muted, #9ca3af);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}
.sr-standby-notice-close:hover {
  color: var(--sr-text, #ffffff);
}




/* ==========================================================================
   progress.css
   ========================================================================== */
/**
 * Social R Platform - Bottom Progress Bar Styles v5.1
 * Elegant, single-row, compact progress path (height: 44px)
 * Left: Compact Module Counter ("Módulo 2 · 1 de 9")
 * Center: Connected Learning Path Stepper (✓────✓────✓────4────○────○────○────○)
 * Right: Discrete Course Progress ("32% del curso")
 */

.sr-bottombar {
  background-color: var(--sr-surface, #ffffff) !important;
  border-top: 1px solid var(--sr-border, #e2e8f0) !important;
  color: var(--sr-text, #0f172a) !important;
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0 24px !important;
  z-index: 50 !important;
  user-select: none !important;
  height: var(--sr-bottombar-h, 44px) !important;
  min-height: 40px !important;
  max-height: 48px !important;
  flex: 0 0 auto !important;
  box-sizing: border-box !important;
  gap: 20px !important;
  width: 100% !important;
  max-width: 100% !important;
  position: relative !important;
  overflow: hidden !important;
}

/* 1. Left: Discrete Module & Exercise Counter */
.sr-bottombar-left {
  display: flex !important;
  align-items: center !important;
  flex-shrink: 0 !important;
  min-width: 140px !important;
}

.sr-bottombar-counter {
  font-size: 0.8rem !important;
  color: #64748b !important;
  font-weight: 600 !important;
  font-family: var(--sr-font-sans) !important;
  white-space: nowrap !important;
  letter-spacing: -0.01em !important;
}

/* 2. Center: Connected Learning Path Stepper */
.sr-bottombar-center {
  flex: 1 1 auto !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  max-width: 540px !important;
  min-width: 200px !important;
  margin: 0 auto !important;
}

.sr-bottom-module-track {
  width: 100% !important;
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 0 !important;
  box-sizing: border-box !important;
  position: relative !important;
}

/* Circular Step Nodes (Zero Native Button Styling) */
.sr-bottom-module-step {
  appearance: none !important;
  -webkit-appearance: none !important;
  background: #ffffff !important;
  border: 1.5px solid #cbd5e1 !important;
  border-radius: 50% !important;
  outline: none !important;
  box-sizing: border-box !important;
  padding: 0 !important;
  margin: 0 !important;
  width: 22px !important;
  height: 22px !important;
  min-width: 22px !important;
  min-height: 22px !important;
  max-width: 22px !important;
  max-height: 22px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  font-family: var(--sr-font-sans) !important;
  font-weight: 700 !important;
  cursor: pointer !important;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
  position: relative !important;
  z-index: 2 !important;
  flex: 0 0 auto !important;
  flex-shrink: 0 !important;
  line-height: 1 !important;
  user-select: none !important;
}

/* A. Completed Node: Emerald Green Circle with Crisp White Check */
.sr-bottom-module-step.is-completed {
  background: #16a34a !important;
  border-color: #15803d !important;
  color: #ffffff !important;
  font-size: 0.72rem !important;
  box-shadow: 0 1px 4px rgba(22, 163, 74, 0.25) !important;
}

.sr-bottom-module-step.is-completed:hover {
  background: #15803d !important;
  transform: scale(1.15) !important;
}

/* B. Active Current Node: Royal Blue / Indigo Circle with White Number & Gentle Halo */
.sr-bottom-module-step.is-active {
  background: #2563eb !important;
  border-color: #1d4ed8 !important;
  color: #ffffff !important;
  font-size: 0.74rem !important;
  font-weight: 800 !important;
  box-shadow: 0 0 0 3.5px rgba(37, 99, 235, 0.24), 0 2px 6px rgba(37, 99, 235, 0.3) !important;
  transform: scale(1.08) !important;
}

.sr-bottom-module-step.is-active:hover {
  background: #1d4ed8 !important;
  transform: scale(1.18) !important;
}

/* C. Pending Available Node: Subtle Clean Circle */
.sr-bottom-module-step.is-available:not(.is-active):not(.is-completed) {
  background: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: transparent !important;
}

.sr-bottom-module-step.is-available:not(.is-active):not(.is-completed):hover {
  border-color: #2563eb !important;
  background: #eff6ff !important;
  transform: scale(1.15) !important;
}

/* D. Locked Node: Light Muted Neutral Circle */
.sr-bottom-module-step.is-locked {
  background: #f8fafc !important;
  border-color: #e2e8f0 !important;
  color: transparent !important;
  cursor: not-allowed !important;
  opacity: 0.65 !important;
}

/* E. Fine Connecting Lines Between Steps */
.sr-bottom-module-connector {
  flex: 1 1 0% !important;
  min-width: 10px !important;
  height: 2px !important;
  background: #e2e8f0 !important;
  transition: background 0.3s ease !important;
  box-sizing: border-box !important;
  z-index: 1 !important;
  margin: 0 -1px !important;
}

/* Active Completed Connector */
.sr-bottom-module-connector.is-completed {
  background: #16a34a !important;
}

/* Transition Edge Connector (Completed to Active) */
.sr-bottom-module-connector.is-active-edge {
  background: linear-gradient(90deg, #16a34a 0%, #cbd5e1 100%) !important;
}

/* 3. Right: Discrete Course Progress Percentage */
.sr-bottombar-right {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  flex-shrink: 0 !important;
  min-width: 120px !important;
}

.sr-progress-pct {
  font-size: 0.78rem !important;
  color: #94a3b8 !important;
  font-weight: 600 !important;
  font-family: var(--sr-font-sans) !important;
  white-space: nowrap !important;
  letter-spacing: -0.01em !important;
}

@media (max-width: 768px) {
  .sr-bottombar-right {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sr-bottom-module-step,
  .sr-bottom-module-step.is-active,
  .sr-bottom-module-step.is-completed {
    animation: none !important;
    transform: none !important;
    transition: none !important;
  }
}


/* ==========================================================================
   responsive.css
   ========================================================================== */
/**
 * Social R Platform - Responsive Styles v1.0
 * Desktop viewports optimizations (1366x768, 1440x900, 1536x864, 1920x1080).
 */

/* Medium Desktop & Standard Laptops (1366x768 / 1440x900) */
@media (max-height: 800px) {
  :root {
    --sr-topbar-h: 42px;
    --sr-bottombar-h: 40px;
  }

  .sr-lesson-content {
    padding: 16px 20px;
  }

  .sr-lesson-title {
    font-size: 1.15rem;
    margin-bottom: 10px;
  }

  .sr-lesson-context {
    font-size: 0.88rem;
    margin-bottom: 12px;
  }

  .sr-objective-box {
    padding: 6px 10px;
    margin-bottom: 12px;
    font-size: 0.84rem;
  }

  .sr-task-section {
    padding: 10px 14px;
    margin-bottom: 12px;
  }

  .sr-workflow-box {
    padding: 8px 12px;
    margin-bottom: 12px;
  }

  .sr-editor-body .cm-editor {
    min-height: 120px !important;
    max-height: 200px !important;
    font-size: 0.88rem !important;
  }

  .sr-actions-bar {
    padding: 6px 14px !important;
  }

  .sr-btn-submit {
    padding: 6px 16px !important;
    font-size: 0.82rem !important;
  }

  .sr-console-transcript {
    padding: 8px 12px !important;
    font-size: 0.86rem !important;
  }
}

/* Large Screens (1920x1080+) */
@media (min-width: 1800px) {
  .sr-lesson-content {
    padding: 32px 36px;
    font-size: 1rem;
    max-width: 80ch;
  }

  .sr-lesson-title {
    font-size: 1.45rem;
  }

  .sr-editor-body .cm-editor {
    font-size: 1rem !important;
    min-height: 180px !important;
  }
}


/* ==========================================================================
   tour.css
   ========================================================================== */
/**
 * Social R - Interactive Onboarding Tour Styles v1.0
 * Spotlight overlay, popover card, SVG mask, mobile bottom sheet, and reduced motion.
 */

/* ==========================================================================
   1. OVERLAY & SPOTLIGHT
   ========================================================================== */
.sr-tour-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 600;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.sr-tour-overlay.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.sr-tour-svg-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Shield to prevent unintended clicks on interface underneath during tour */
.sr-tour-click-shield {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  pointer-events: auto;
  cursor: default;
}

/* Spotlight outline & subtle indigo aura around the active element */
.sr-tour-spotlight-border {
  position: fixed;
  pointer-events: none;
  z-index: 601;
  border: 2px solid #818cf8;
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15), 0 0 28px rgba(99, 102, 241, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: top 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              left 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              width 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              height 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.2s ease,
              visibility 0.2s ease;
}

.sr-tour-spotlight-border.is-visible {
  opacity: 1;
  visibility: visible;
}

/* While tour is active, suppress drawer's native darkened backdrop to prevent double opacity */
body.is-tour-active .sr-drawer-backdrop::before {
  opacity: 0 !important;
  pointer-events: none !important;
}

body.is-tour-active .sr-drawer-backdrop {
  pointer-events: none !important;
}

/* ==========================================================================
   2. TOUR POPOVER CARD
   ========================================================================== */
.sr-tour-card {
  position: fixed;
  z-index: 602;
  width: min(390px, calc(100vw - 2rem));
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  box-shadow: 0 20px 48px -8px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(99, 102, 241, 0.25);
  padding: 1.25rem 1.4rem 1.2rem;
  font-family: var(--sr-font-sans, 'Inter', system-ui, -apple-system, sans-serif);
  color: #f8fafc;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.96);
  transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              top 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              left 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.24s ease;
  pointer-events: auto;
  box-sizing: border-box;
}

.sr-tour-card.is-visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.sr-tour-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.sr-tour-step-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.74rem;
  font-weight: 600;
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(129, 140, 248, 0.25);
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  letter-spacing: 0.01em;
}

.sr-tour-close-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 1.25rem;
  line-height: 1;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 6px;
  transition: color 0.15s ease, background-color 0.15s ease;
  margin: -0.25rem -0.25rem 0 0;
}

.sr-tour-close-btn:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

.sr-tour-close-btn:focus-visible {
  outline: 2px solid #818cf8;
  outline-offset: 2px;
}

.sr-tour-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.45rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.sr-tour-card-text {
  font-size: 0.88rem;
  line-height: 1.55;
  color: #cbd5e1;
  margin-bottom: 1.15rem;
}

.sr-tour-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.sr-tour-actions-left {
  display: flex;
  align-items: center;
}

.sr-tour-actions-right {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.sr-tour-btn-skip {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.4rem 0.2rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

.sr-tour-btn-skip:hover {
  color: #f1f5f9;
}

.sr-tour-btn-skip:focus-visible {
  outline: 2px solid #818cf8;
  outline-offset: 2px;
  border-radius: 3px;
}

.sr-tour-btn-prev {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #e2e8f0;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.sr-tour-btn-prev:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.sr-tour-btn-prev:focus-visible {
  outline: 2px solid #818cf8;
  outline-offset: 2px;
}

.sr-tour-btn-next {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  border: 1px solid rgba(165, 180, 252, 0.3);
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 650;
  padding: 0.48rem 1.05rem;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.sr-tour-btn-next:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.45);
}

.sr-tour-btn-next:active {
  transform: translateY(0);
}

.sr-tour-btn-next:focus-visible {
  outline: 2px solid #a5b4fc;
  outline-offset: 2px;
}

/* ==========================================================================
   3. TOPBAR REPLAY BUTTON (ⓘ)
   ========================================================================== */
.sr-tour-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid transparent;
  color: #64748b;
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  margin-left: 0.4rem;
  padding: 0;
}

.sr-tour-btn:hover {
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.08);
  border-color: rgba(79, 70, 229, 0.25);
}

.sr-tour-btn:active {
  color: #4338ca;
  background: rgba(79, 70, 229, 0.15);
  border-color: rgba(79, 70, 229, 0.35);
}

.sr-tour-btn:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.08);
  border-color: rgba(79, 70, 229, 0.3);
}

.sr-tour-btn svg {
  display: block;
  pointer-events: none;
}

/* ==========================================================================
   4. MOBILE BOTTOM SHEET & RESPONSIVE
   ========================================================================== */
@media (max-width: 640px) {
  .sr-tour-card {
    width: calc(100vw - 1.5rem) !important;
    left: 0.75rem !important;
    right: 0.75rem !important;
    bottom: max(0.85rem, env(safe-area-inset-bottom)) !important;
    top: auto !important;
    transform: none !important;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(99, 102, 241, 0.35);
  }

  .sr-tour-card.is-visible {
    transform: none !important;
  }
}

/* ==========================================================================
   5. REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .sr-tour-overlay,
  .sr-tour-spotlight-border,
  .sr-tour-card,
  .sr-tour-btn-next,
  .sr-tour-btn-prev {
    transition: none !important;
    animation: none !important;
  }
}


/* ==========================================================================
   course-reset.css
   ========================================================================== */
/**
 * Social R - Course Reset Modal & Secondary Trigger Styles
 * Accessible confirmation modal, subtle drawer/footer buttons, and reset toast.
 */

/* ==========================================================================
   1. DRAWER FOOTER & LANDING FOOTER RESET BUTTONS
   ========================================================================== */
.sr-drawer-footer {
  padding: 10px 16px 14px 16px;
  border-top: 1px solid #e2e8f0;
  background: var(--sr-surface, #ffffff);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-shrink: 0;
}

.sr-drawer-reset-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1px solid transparent;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  text-align: left;
  line-height: 1.2;
}

.sr-drawer-reset-btn:hover {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.06);
  border-color: rgba(220, 38, 38, 0.15);
}

.sr-drawer-reset-btn:focus-visible {
  outline: 2px solid #ef4444;
  outline-offset: 2px;
}

.sr-drawer-reset-btn svg {
  flex-shrink: 0;
}

/* Landing footer reset action */
.sr-footer-reset-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(226, 232, 240, 0.6);
  width: 100%;
}

.sr-footer-reset-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 0.75rem;
  font-weight: 450;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 0.15s ease, background 0.15s ease;
}

.sr-footer-reset-btn:hover {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.05);
}

.sr-footer-reset-btn:focus-visible {
  outline: 2px solid #ef4444;
  outline-offset: 2px;
}

/* ==========================================================================
   2. CONFIRMATION MODAL
   ========================================================================== */
.sr-reset-modal-backdrop {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.sr-reset-modal-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.sr-reset-modal-card {
  background: #ffffff;
  color: #0f172a;
  border-radius: 12px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(15, 23, 42, 0.08);
  padding: 1.5rem;
  transform: scale(0.96);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.sr-reset-modal-backdrop.is-visible .sr-reset-modal-card {
  transform: scale(1);
}

.sr-reset-modal-header {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.sr-reset-modal-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sr-reset-modal-title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
  padding-top: 0.2rem;
}

.sr-reset-modal-body {
  margin-bottom: 1.5rem;
}

.sr-reset-modal-desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: #475569;
}

.sr-reset-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.sr-reset-modal-btn-cancel {
  background: #ffffff;
  color: #334155;
  border: 1px solid #cbd5e1;
  font-size: 0.86rem;
  font-weight: 550;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.sr-reset-modal-btn-cancel:hover {
  background: #f8fafc;
  border-color: #94a3b8;
  color: #0f172a;
}

.sr-reset-modal-btn-cancel:focus-visible {
  outline: 2px solid #64748b;
  outline-offset: 2px;
}

.sr-reset-modal-btn-danger {
  background: #dc2626;
  color: #ffffff;
  border: 1px solid #b91c1c;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.5rem 1.15rem;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(220, 38, 38, 0.3);
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.sr-reset-modal-btn-danger:hover {
  background: #b91c1c;
  box-shadow: 0 3px 8px rgba(220, 38, 38, 0.4);
}

.sr-reset-modal-btn-danger:focus-visible {
  outline: 2px solid #ef4444;
  outline-offset: 2px;
}

/* ==========================================================================
   3. DISCREET TOAST FEEDBACK
   ========================================================================== */
.sr-reset-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1e293b;
  color: #f8fafc;
  font-size: 0.84rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  z-index: 100000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sr-reset-toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}