/* ============================================================
   MRT Robotics Player – Premium UI v2.0
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ── Design Tokens ── */
:root {
  --mrt-bg:        #0f1117;
  --mrt-surface:   #1a1d27;
  --mrt-surface-2: #23273a;
  --mrt-border:    rgba(255,255,255,0.06);
  --mrt-text:      #e4e6eb;
  --mrt-text-dim:  #8b8fa3;
  --mrt-accent:    #3b82f6;
  --mrt-accent-glow: rgba(59,130,246,0.25);
  --mrt-success:   #22c55e;
  --mrt-warning:   #f59e0b;
  --mrt-danger:    #ef4444;
  --mrt-radius:    12px;
  --mrt-radius-sm: 8px;
  --mrt-shadow:    0 4px 24px rgba(0,0,0,0.35);
  --mrt-transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

/* ── Global Reset for Player ── */
body.single-mrt_lesson_pack {
  overflow: hidden !important;
  background: var(--mrt-bg) !important;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  margin: 0 !important; padding: 0 !important;
}

body.single-mrt_lesson_pack #secondary,
body.single-mrt_lesson_pack .widget-area,
body.single-mrt_lesson_pack .stm_lms_user_side,
body.single-mrt_lesson_pack .stm_lms_user_menu,
body.single-mrt_lesson_pack .stm-lms-wrapper__sidebar,
body.single-mrt_lesson_pack .masterstudy-course-sidebar,
body.single-mrt_lesson_pack .ast-breadcrumbs,
body.single-mrt_lesson_pack .entry-header,
body.single-mrt_lesson_pack .page-header,
body.single-mrt_lesson_pack .site-sidebar,
body.single-mrt_lesson_pack #wpadminbar,
body.single-mrt_lesson_pack .stm-header,
body.single-mrt_lesson_pack header:not(.mrt-workspace-topbar),
body.single-mrt_lesson_pack footer {
  display: none !important;
}

body.single-mrt_lesson_pack .site-content,
body.single-mrt_lesson_pack .ast-container,
body.single-mrt_lesson_pack .content-area,
body.single-mrt_lesson_pack .site-main,
body.single-mrt_lesson_pack article,
body.single-mrt_lesson_pack .entry-content {
  width: 100% !important; max-width: 100% !important;
  margin: 0 !important; padding: 0 !important;
}

html { margin-top: 0 !important; padding: 0 !important; }

/* ── Anti-Download / Anti-Copy Protection ── */
.mrt-workspace-container,
.mrt-workspace-container * {
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
  user-select: none !important;
  -webkit-touch-callout: none !important;
}

.mrt-secure-canvas-wrapper {
  -webkit-user-drag: none !important;
  pointer-events: auto;
}

.mrt-secure-canvas-wrapper canvas {
  -webkit-user-drag: none !important;
  pointer-events: none !important;
}

/* Invisible shield over canvases to block right-click on canvas directly */
.mrt-secure-canvas-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 10;
  background: transparent;
  cursor: default;
}

/* Re-enable selection for text inputs only */
.mrt-code-textarea,
#mrt-code-textarea,
.quiz-engine-placeholder input,
.quiz-engine-placeholder label {
  -webkit-user-select: text !important;
  user-select: text !important;
}


/* ============================================================
   LAYOUT – Full-Screen 3-Column Grid
   ============================================================ */
.mrt-workspace-container {
  position: fixed !important;
  inset: 0;
  width: 100vw !important; height: 100vh !important;
  margin: 0 !important; padding: 0 !important;
  z-index: 999999;
  background: var(--mrt-bg);
  display: grid;
  grid-template-columns: 240px 1fr 280px;
  overflow: hidden;
  font-family: 'Inter', sans-serif;
  color: var(--mrt-text);
}

/* Build Mode: hide right sidebar, full-width viewer */
.mrt-workspace-container.mrt-build-mode {
  grid-template-columns: 240px 1fr;
}
.mrt-workspace-container.mrt-build-mode .mrt-workspace-right {
  display: none;
}

/* Fullscreen Mode: everything hidden except the viewer */
.mrt-workspace-container.mrt-fullscreen-mode {
  grid-template-columns: 1fr !important;
}
.mrt-workspace-container.mrt-fullscreen-mode .mrt-workspace-left,
.mrt-workspace-container.mrt-fullscreen-mode .mrt-workspace-right {
  display: none !important;
}
.mrt-workspace-container.mrt-fullscreen-mode .mrt-workspace-topbar {
  display: none !important;
}


/* ============================================================
   LEFT SIDEBAR
   ============================================================ */
.mrt-workspace-left {
  background: var(--mrt-surface);
  border-right: 1px solid var(--mrt-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mrt-workspace-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--mrt-border);
}

.mrt-workspace-pack-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
  line-height: 1.3;
}

.mrt-workspace-nav {
  list-style: none;
  margin: 0;
  padding: 12px 0;
  flex: 1;
}

.mrt-workspace-nav li {
  padding: 13px 24px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--mrt-text-dim);
  border-left: 3px solid transparent;
  transition: all var(--mrt-transition);
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.mrt-workspace-nav li:hover {
  color: var(--mrt-text);
  background: rgba(255,255,255,0.04);
}

.mrt-workspace-nav li.active {
  color: var(--mrt-accent);
  background: rgba(59,130,246,0.08);
  border-left-color: var(--mrt-accent);
  font-weight: 600;
}

.mrt-workspace-nav li.active::before {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 20px;
  background: var(--mrt-accent);
  border-radius: 4px 0 0 4px;
}


/* ============================================================
   CENTER PANEL
   ============================================================ */
.mrt-workspace-center {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--mrt-bg);
}

/* ── Breadcrumb Dark Override (inside Robotics Player) ── */
.mrt-workspace-center .mrt-breadcrumb {
  background: linear-gradient(135deg, var(--mrt-surface) 0%, var(--mrt-surface-2) 100%);
  border-bottom: 1px solid var(--mrt-border);
  flex-shrink: 0;
  padding: 8px 20px;
  font-size: 13px;
}
.mrt-workspace-center .mrt-breadcrumb__link {
  color: var(--mrt-accent);
}
.mrt-workspace-center .mrt-breadcrumb__link:hover {
  color: #60a5fa;
}
.mrt-workspace-center .mrt-breadcrumb__current {
  color: var(--mrt-text);
}
.mrt-workspace-center .mrt-breadcrumb__separator {
  color: var(--mrt-text-dim);
}
.mrt-workspace-center .mrt-breadcrumb__back {
  background: var(--mrt-surface-2);
  border-color: var(--mrt-border);
  color: var(--mrt-text-dim);
  font-size: 12px;
  padding: 4px 10px;
}
.mrt-workspace-center .mrt-breadcrumb__back:hover {
  background: var(--mrt-accent);
  color: #fff;
  border-color: var(--mrt-accent);
}

/* ── Top Bar ── */
.mrt-workspace-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  background: var(--mrt-surface);
  border-bottom: 1px solid var(--mrt-border);
  flex-shrink: 0;
}

.mrt-topbar-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 0;
}

.mrt-topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mrt-progress-chip {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--mrt-surface-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--mrt-accent);
  border: 1px solid var(--mrt-border);
}

/* ── View Panels ── */
.mrt-view-panel {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 28px;
}

.mrt-view-panel.active {
  display: flex;
  flex-direction: column;
  animation: mrtFadeIn 0.25s ease-out;
}

/* Build panel: no padding so PDF fills full area */
#view-build.mrt-view-panel {
  padding: 0;
}

@keyframes mrtFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Panel Cards ── */
.mrt-panel-card {
  background: var(--mrt-surface);
  border: 1px solid var(--mrt-border);
  border-radius: var(--mrt-radius);
  padding: 24px;
  box-shadow: var(--mrt-shadow);
}

.mrt-panel-card h2,
.mrt-panel-card h3 {
  color: #fff;
  margin: 0 0 16px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
}

.mrt-panel-card p {
  color: var(--mrt-text-dim);
  line-height: 1.6;
  font-size: 14px;
}


/* ============================================================
   BUILD VIEW – Step Toolbar & PDF Area
   ============================================================ */
.mrt-build-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0 !important;
  overflow: hidden;
}

.mrt-step-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background: var(--mrt-surface-2);
  border-bottom: 1px solid var(--mrt-border);
  flex-shrink: 0;
  gap: 12px;
}

#mrt-step-indicator {
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  text-align: center;
  white-space: nowrap;
}

/* Toolbar inline badges & info */
.mrt-toolbar-info {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.mrt-toolbar-badges {
  display: flex;
  gap: 4px;
  align-items: center;
}

.mrt-toolbar-badges .mrt-badge {
  font-size: 10px;
  padding: 3px 8px;
}

.mrt-toolbar-help-btn {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
  transition: all var(--mrt-transition);
}

.mrt-toolbar-help-btn:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  transform: translateY(-1px);
}

#mrt-pdf-render-box {
  flex: 1;
  overflow: auto;
  position: relative;
  background: var(--mrt-bg);
  padding: 0;
}

.mrt-secure-canvas-wrapper {
  position: relative;
  width: max-content;
  min-width: 100%;
  min-height: 100%;
  background: var(--mrt-bg);
  border-radius: 0;
  border: none;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: visible;
}

#mrt-pdf-render-canvas {
  display: block;
}

#mrt-pdf-render-canvas,
#mrt-pdf-overlay-canvas {
  display: block;
  position: absolute;
  top: 0; left: 0;
}

#mrt-pdf-overlay-canvas {
  pointer-events: none;
}


/* ============================================================
   RIGHT SIDEBAR
   ============================================================ */
.mrt-workspace-right {
  background: var(--mrt-surface);
  border-left: 1px solid var(--mrt-border);
  padding: 24px 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mrt-workspace-right .mrt-panel-card {
  padding: 20px;
}

.mrt-workspace-right h3 {
  font-size: 15px;
  margin: 0 0 14px;
}

/* ── Step Badges ── */
.mrt-step-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.mrt-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--mrt-accent), #6366f1);
  box-shadow: 0 2px 8px var(--mrt-accent-glow);
  letter-spacing: 0.3px;
}

.mrt-badge--info    { background: linear-gradient(135deg, #3b82f6, #6366f1); }
.mrt-badge--warning { background: linear-gradient(135deg, #f59e0b, #d97706); }
.mrt-badge--primary { background: linear-gradient(135deg, #22c55e, #16a34a); }
.mrt-badge--danger  { background: linear-gradient(135deg, #ef4444, #dc2626); }

/* ── Step Helper Text ── */
.mrt-step-helper {
  color: var(--mrt-text-dim);
  font-size: 13px;
  line-height: 1.6;
}


/* ============================================================
   BUTTONS
   ============================================================ */
.mrt-core-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--mrt-radius-sm);
  font-size: 13px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  border: none;
  transition: all var(--mrt-transition);
  text-decoration: none;
  white-space: nowrap;
}

.mrt-core-btn--primary {
  background: linear-gradient(135deg, var(--mrt-accent), #2563eb);
  color: #fff;
  box-shadow: 0 2px 12px var(--mrt-accent-glow);
}

.mrt-core-btn--primary:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  box-shadow: 0 4px 20px var(--mrt-accent-glow);
  transform: translateY(-1px);
}

.mrt-core-btn--secondary {
  background: var(--mrt-surface-2);
  color: var(--mrt-text);
  border: 1px solid var(--mrt-border);
}

.mrt-core-btn--secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.12);
}

.mrt-core-btn--ghost {
  background: transparent;
  color: var(--mrt-text-dim);
  border: 1px solid var(--mrt-border);
}

.mrt-core-btn--ghost:hover {
  color: var(--mrt-text);
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
}

.mrt-help-btn {
  width: 100%;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
}

.mrt-help-btn:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
}


/* ============================================================
   WATERMARK (Diagonal Repeating Pattern)
   ============================================================ */
.mrt-workspace-container::after {
  content: attr(data-watermark);
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(-25deg);
  font-size: 3.5rem;
  color: rgba(255,255,255,0.018);
  pointer-events: none;
  white-space: nowrap;
  z-index: 99;
  font-weight: 800;
  letter-spacing: 6px;
}


/* ============================================================
   QUIZ / CODE / MISSION specific
   ============================================================ */
.mrt-quiz-question {
  background: var(--mrt-surface-2) !important;
  border: 1px solid var(--mrt-border) !important;
  border-radius: var(--mrt-radius-sm) !important;
  color: var(--mrt-text) !important;
}

.mrt-quiz-question p { color: #fff !important; }
.mrt-quiz-question label { color: var(--mrt-text-dim) !important; cursor: pointer; }

.mrt-code-textarea,
#mrt-code-textarea {
  background: #0d1117 !important;
  color: #c9d1d9 !important;
  border: 1px solid var(--mrt-border) !important;
  border-radius: var(--mrt-radius-sm);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  padding: 16px;
  font-size: 14px;
  width: 100%;
  resize: vertical;
}

.mrt-checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--mrt-surface-2);
  border-radius: var(--mrt-radius-sm);
  cursor: pointer;
  margin: 16px 0;
}

.mrt-checkbox-row span { color: var(--mrt-text); font-weight: 500; }


/* ============================================================
   ADMIN WARNING (only visible to admins)
   ============================================================ */
.mrt-pack-admin-warning {
  position: fixed !important;
  top: 20px; right: 20px;
  z-index: 9999999;
  background: var(--mrt-danger) !important;
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--mrt-radius-sm);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(239,68,68,0.4);
  animation: mrtSlideIn 0.3s ease;
}

@keyframes mrtSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

.mrt-pack-error {
  padding: 24px;
  color: var(--mrt-danger);
  font-weight: 700;
  font-size: 14px;
  text-align: center;
}


/* ============================================================
   SCROLLBAR (Dark Theme)
   ============================================================ */
.mrt-workspace-container ::-webkit-scrollbar {
  width: 6px; height: 6px;
}
.mrt-workspace-container ::-webkit-scrollbar-track {
  background: transparent;
}
.mrt-workspace-container ::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.12);
  border-radius: 3px;
}
.mrt-workspace-container ::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.2);
}


/* ============================================================
   LEARN CONTENT OVERRIDES (WP Content)
   ============================================================ */
.mrt-learn-content,
.mrt-learn-content p,
.mrt-learn-content li {
  color: var(--mrt-text-dim);
  font-size: 14px;
  line-height: 1.7;
}

.mrt-learn-content h1,
.mrt-learn-content h2,
.mrt-learn-content h3 {
  color: #fff;
}

.mrt-learn-content a {
  color: var(--mrt-accent);
}


/* ============================================================
   RESPONSIVE – Tablet (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .mrt-workspace-container {
    grid-template-columns: 180px 1fr 220px !important;
  }
  .mrt-workspace-left { min-width: 0; }
  .mrt-workspace-right { min-width: 0; }
  .mrt-topbar-title { font-size: 15px; }
}

/* ============================================================
   RESPONSIVE – Mobile (≤ 768px)
   Full redesign: bottom tab bar + slide panels
   ============================================================ */
@media (max-width: 768px) {

  /* Body: allow scroll, remove overflow:hidden */
  body.single-mrt_lesson_pack {
    overflow: auto !important;
  }

  /* Grid: single column, full height */
  .mrt-workspace-container {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto 1fr auto;
    height: 100vh;
    height: 100dvh; /* dynamic viewport height for mobile browsers */
  }

  /* ── Top Bar compact ── */
  .mrt-workspace-topbar {
    padding: 8px 12px !important;
    min-height: 44px;
  }
  .mrt-topbar-title {
    font-size: 14px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
  }
  .mrt-topbar-right {
    gap: 6px !important;
  }
  .mrt-step-counter {
    font-size: 12px !important;
    padding: 3px 8px !important;
  }

  /* ── Left sidebar → Bottom Tab Bar ── */
  .mrt-workspace-left {
    display: flex !important;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--mrt-surface);
    border-top: 1px solid var(--mrt-border);
    padding: 0;
    flex-direction: column;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
  }

  .mrt-workspace-left .mrt-workspace-brand {
    display: none !important; /* hide title from tab bar */
  }

  .mrt-workspace-nav {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .mrt-workspace-nav li {
    flex: 1;
    min-width: 0;
    text-align: center;
    padding: 10px 4px !important;
    font-size: 11px !important;
    font-weight: 600;
    border-radius: 0 !important;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }

  .mrt-workspace-nav li.active {
    border-bottom-color: var(--mrt-accent) !important;
    background: rgba(59,130,246,0.1) !important;
  }

  /* ── Right sidebar → hidden, toggle via Help button ── */
  .mrt-workspace-right {
    display: none !important;
  }

  /* ── Center content: full width, account for bottom bar ── */
  .mrt-workspace-center {
    padding-bottom: 56px !important; /* space for bottom tab bar */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* ── Step toolbar: compact ── */
  .mrt-step-toolbar {
    flex-wrap: wrap;
    gap: 6px !important;
    padding: 8px 12px !important;
  }

  .mrt-step-toolbar button {
    padding: 6px 10px !important;
    font-size: 12px !important;
    min-height: 36px;
  }

  .mrt-step-info {
    font-size: 12px !important;
    width: 100%;
    text-align: center;
    order: -1;
  }

  /* ── PDF render area: full width ── */
  #mrt-pdf-render-box {
    max-height: calc(100vh - 160px);
    max-height: calc(100dvh - 160px);
    overflow: auto;
  }

  .mrt-secure-canvas-wrapper {
    max-width: 100% !important;
  }

  /* ── Zoom controls: compact floating ── */
  .mrt-zoom-controls {
    bottom: 62px !important; /* above bottom tab bar */
    right: 8px !important;
    gap: 4px !important;
  }

  .mrt-zoom-controls button {
    width: 32px !important;
    height: 32px !important;
    font-size: 14px !important;
  }

  #mrt-zoom-level {
    font-size: 11px !important;
    min-width: 40px !important;
  }

  /* ── Panel cards: less padding ── */
  .mrt-panel-card {
    padding: 14px !important;
  }

  .mrt-panel-card h2 {
    font-size: 18px !important;
  }

  /* ── Code textarea: full width ── */
  .mrt-code-textarea {
    font-size: 13px !important;
    min-height: 200px;
  }

  /* ── Quiz: touch-friendly ── */
  .mrt-quiz-question label {
    padding: 12px !important;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  /* ── Mission checklist: touch-friendly ── */
  .mrt-checkbox-row {
    min-height: 44px;
    padding: 8px 0;
  }

  .mrt-checkbox-row input[type="checkbox"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
  }

  /* ── Buttons: touch-friendly sizing ── */
  .mrt-core-btn {
    min-height: 44px !important;
    font-size: 14px !important;
    padding: 10px 16px !important;
  }

  /* ── Step Banner overlay: smaller ── */
  .mrt-step-banner-text {
    font-size: 12px !important;
  }

  /* ── Intro panel adjustments ── */
  .mrt-intro-content {
    padding: 16px !important;
  }

  #mrt-start-build {
    width: 100%;
    font-size: 16px !important;
    padding: 14px !important;
  }
}


/* ============================================================
   PROGRESS BAR & STATS
   ============================================================ */
.mrt-progress-stats {
  margin-bottom: 8px;
}

.mrt-progress-bar-wrap {
  width: 100%;
  height: 10px;
  background: var(--mrt-surface-2);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--mrt-border);
  margin-bottom: 10px;
}

.mrt-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--mrt-accent), #22c55e);
  border-radius: 8px;
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
  min-width: 0;
  box-shadow: 0 0 8px rgba(34,197,94,0.3);
}

.mrt-progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--mrt-text-dim);
  font-weight: 500;
}

.mrt-progress-meta span:first-child {
  color: var(--mrt-success);
  font-weight: 600;
}


/* ============================================================
   STEP COMPLETION INDICATOR (in Build toolbar)
   ============================================================ */
.mrt-step-toolbar .mrt-step-complete-check {
  color: var(--mrt-success);
  font-size: 16px;
  margin-left: 8px;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.3s ease;
}

.mrt-step-toolbar .mrt-step-complete-check.visible {
  opacity: 1;
  transform: scale(1);
}


/* ============================================================
   QUIZ QUESTION HOVER EFFECTS
   ============================================================ */
.mrt-quiz-question label:hover {
  background: rgba(255,255,255,0.04) !important;
  border-radius: 6px;
}

.mrt-quiz-question input[type="radio"]:checked + span,
.mrt-quiz-question label:has(input:checked) {
  color: var(--mrt-accent) !important;
  font-weight: 600;
}