/* ================================================================
   M365 Copilot Masterclass — Niagara Bottling
   Created by Ryan Aqui
   Generated for Netlify deployment
   ================================================================ */

:root {
  --niagara-blue: #006298;
  --niagara-orange: #F38B00;
  --corporate-blue: #005DAA;
  --dark-navy: #002244;
  --white: #FFFFFF;
  --off-white: #F7F9FC;
  --light-gray: #E8EDF3;
  --mid-gray: #8B99A8;
  --text: #1A2B3C;
  --text-light: #4A5B6C;
  --success: #10B981;
  --warning: #F59E0B;
  --frontier: #7C3AED;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: Arial, sans-serif;
  background: var(--off-white);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  width: 100%;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--dark-navy) 0%, var(--niagara-blue) 50%, var(--corporate-blue) 100%);
  color: white;
  padding: 48px 24px 56px;
  position: relative;
  overflow: hidden;
  width: 100%;
}
.hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(243,139,0,0.15), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -60px; left: 30%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,98,152,0.3), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.hero-logo { height: 44px; margin-bottom: 28px; }
.hero-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--niagara-orange);
  margin-bottom: 2px;
}
.hero h1 {
  font-family: 'Arial Black', Arial, sans-serif;
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 12px;
}
.hero h1 span { color: var(--niagara-orange); }
.hero-sub {
  font-family: Arial, sans-serif;
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
  max-width: 720px;
}
.hero-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-pill {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}

/* ===== NAV ===== */
.nav-bar {
  background: white;
  border-bottom: 2px solid var(--light-gray);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  width: 100%;
}
.nav-inner {
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-inner::-webkit-scrollbar { display: none; }
.nav-btn {
  flex-shrink: 0;
  padding: 10px 6px;
  border: none;
  background: transparent;
  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--mid-gray);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-btn:hover { color: var(--niagara-blue); }
.nav-btn.active {
  color: var(--niagara-blue);
  border-bottom-color: var(--niagara-orange);
  padding-left: 8px;
  padding-right: 8px;
}

/* ===== CONTENT ===== */
.content { max-width: 1280px; width: 100%; margin: 0 auto; padding: 0 24px 80px; }

/* ===== MODULE ===== */
.module {
  margin-top: 48px;
  scroll-margin-top: 60px;
}
.module-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--light-gray);
  position: sticky;
  top: 51px;
  z-index: 50;
  background: var(--off-white);
  padding-top: 12px;
}
.module-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  background: transparent;
}
.module-icon svg { width: 44px; height: 44px; border-radius: 8px; }
.module-icon.blue { background: transparent; }
.module-icon.orange { background: transparent; }
.module-icon.purple { background: transparent; }
.module-number {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mid-gray);
}
.module-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
}
.module-time {
  margin-left: auto;
  background: var(--light-gray);
  color: var(--text-light);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
  white-space: nowrap;
}

/* ===== INTRO BOX ===== */
.intro-box {
  background: white;
  border: 1px solid var(--light-gray);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 24px;
}
.intro-box p { color: var(--text-light); font-size: 15px; }
.open-app {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  background: var(--niagara-blue);
  color: white;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 8px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.open-app:hover {
  background: var(--corporate-blue);
  transform: translateY(-1px);
}
.open-app:active {
  transform: translateY(0);
}

/* ===== EXERCISE CARD ===== */
.exercise {
  background: white;
  border: 1px solid var(--light-gray);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.exercise:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.exercise-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
}
.exercise-head:hover { background: rgba(0,98,152,0.03); }
.ex-badge {
  background: var(--niagara-blue);
  color: white;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  flex-shrink: 0;
}
.ex-badge.frontier {
  background: var(--frontier);
}
.ex-badge.new {
  background: var(--success);
}
.ex-title { font-size: 15px; font-weight: 700; color: var(--text); flex: 1; }
.ex-chevron {
  font-size: 18px;
  color: var(--mid-gray);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.exercise.open .ex-chevron { transform: rotate(180deg); }
.exercise-body {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.35s ease, padding 0.3s ease, border-color 0.3s ease;
  padding: 0 20px;
  border-top: 1px solid transparent;
}
.exercise-body-inner {
  overflow: hidden;
}
.exercise.open .exercise-body {
  grid-template-rows: 1fr;
  padding-bottom: 20px;
  border-top-color: var(--light-gray);
}

/* ===== STEPS ===== */
.steps { counter-reset: step; margin: 16px 0; }
.step {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  counter-increment: step;
  align-items: flex-start;
}
.step::before {
  content: counter(step);
  background: var(--niagara-blue);
  color: white;
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}
.step-text { font-size: 14px; color: var(--text); }
.step-text strong { color: var(--niagara-blue); }

/* ===== PROMPT BOX ===== */
.prompt-wrap { margin: 16px 0; }
.prompt-wrap.role-prompt { display: none; }
.prompt-wrap.role-prompt .prompt-label { color: #10B981; }
.prompt-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--niagara-orange);
  margin-bottom: 6px;
}
.prompt-box-wrap {
  position: relative;
}
.prompt-box {
  background: var(--dark-navy);
  border: 1px solid rgba(0,98,152,0.4);
  border-left: 4px solid var(--niagara-orange);
  border-radius: 8px;
  padding: 14px 16px;
  padding-right: 16px;
  font-family: 'Cascadia Code', 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  color: #7EC8F0;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 8px;
  background: rgba(0,98,152,0.15);
  border: 1px solid rgba(0,98,152,0.35);
  color: var(--niagara-blue);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.copy-btn:hover {
  background: var(--niagara-orange);
  color: white;
  border-color: var(--niagara-orange);
}
.copy-btn.copied {
  background: var(--success);
  color: white;
  border-color: var(--success);
}

/* ===== TIP BOX ===== */
.tip {
  background: rgba(243,139,0,0.08);
  border: 1px solid rgba(243,139,0,0.25);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 12px 0;
  font-size: 13px;
  color: var(--text);
}
.tip strong { color: var(--niagara-orange); }

.note {
  background: rgba(0,98,152,0.06);
  border: 1px solid rgba(0,98,152,0.2);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 12px 0;
  font-size: 13px;
  color: var(--text);
}
.note strong { color: var(--niagara-blue); }

/* ===== COMPARISON TABLE ===== */
.comp-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13px;
  display: block;
  overflow-x: auto;
}
.comp-table th {
  background: var(--niagara-blue);
  color: white;
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  font-size: 12px;
}
.comp-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--light-gray);
  color: var(--text);
  vertical-align: top;
}
.comp-table tr:nth-child(even) td { background: rgba(0,98,152,0.03); }

/* ===== AGENDA ===== */
.agenda-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin: 24px 0;
}
.agenda-card {
  background: white;
  border: 1px solid var(--light-gray);
  border-radius: 10px;
  padding: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.agenda-card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.08); }
.agenda-card .a-icon { font-size: 24px; margin-bottom: 8px; }
.agenda-card .a-icon svg { width: 32px; height: 32px; border-radius: 6px; }
.agenda-card .a-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.agenda-card .a-desc { font-size: 12px; color: var(--text-light); }
.agenda-card .a-time {
  display: inline-block;
  margin-top: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--niagara-blue);
  background: rgba(0,98,152,0.08);
  padding: 2px 8px;
  border-radius: 6px;
}
.agenda-card.frontier-card { border-color: rgba(124,58,237,0.3); }
.agenda-card.frontier-card .a-time { color: var(--frontier); background: rgba(124,58,237,0.08); }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark-navy);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 32px 24px;
  font-size: 12px;
  width: 100%;
}
.footer-logo { height: 32px; margin-bottom: 12px; opacity: 0.7; }

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
  .hero { padding: 28px 12px 36px; }
  .hero-inner { padding: 0 4px; }
  .hero h1 { font-size: clamp(22px, 7vw, 36px); }
  .content { padding: 0 12px 60px; }
  .nav-inner { padding: 0 8px; justify-content: flex-start; }
  .nav-btn { padding: 10px 8px; font-size: 11px; }
  .module-header { flex-wrap: wrap; gap: 10px; }
  .module-time { margin-left: 0; margin-top: 4px; }
  .module-icon { width: 40px; height: 40px; font-size: 20px; border-radius: 10px; }
  .module-title { font-size: 20px; }
  .agenda-grid { grid-template-columns: 1fr; }
  .exercise-head { padding: 14px 12px; gap: 8px; }
  .prompt-box { font-size: 12px; padding: 12px; }
  .comp-table { font-size: 11px; }
  .comp-table th, .comp-table td { padding: 8px 8px; }
}
@media (min-width: 481px) and (max-width: 768px) {
  .hero { padding: 32px 16px 40px; }
  .hero-inner { padding: 0 8px; }
  .content { padding: 0 16px 60px; }
  .nav-inner { padding: 0 12px; justify-content: flex-start; }
  .module-header { flex-wrap: wrap; }
  .module-time { margin-left: 0; margin-top: 4px; }
  .agenda-grid { grid-template-columns: 1fr 1fr; }
}

/* Widescreen: restore nav button size when there's room */
@media (min-width: 1100px) {
  .nav-btn { padding: 10px 8px; font-size: 11.5px; }
  .nav-inner { gap: 2px; }
}
@media (min-width: 1400px) {
  .nav-btn { padding: 10px 10px; font-size: 12px; }
  .nav-inner { gap: 3px; }
}

/* ===== PROGRESS TRACKER ===== */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--light-gray);
  position: sticky;
  top: 47px;
  z-index: 99;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--niagara-blue) 80%, var(--niagara-orange));
  width: 0%;
  transition: width 0.3s;
  min-width: 0;
}

/* ===== DARK MODE ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --off-white: #0F1724;
    --light-gray: #1E2A3A;
    --mid-gray: #8B99A8;
    --text: #E8EDF3;
    --text-light: #A0B0C0;
  }

  body {
    background: #0F1724;
    color: #E8EDF3;
  }

  /* Nav bar */
  .nav-bar {
    background: #141E2E;
    border-bottom-color: #1E2A3A;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
  }
  .nav-btn { color: #8B99A8; }
  .nav-btn:hover { color: #4DA8DA; }
  .nav-btn.active {
    color: #4DA8DA;
    border-bottom-color: var(--niagara-orange);
  }

  /* Progress bar */
  .progress-bar { background: #1E2A3A; }

  /* Module headers */
  .module-header { border-bottom-color: #1E2A3A; background: #0F1724; }
  .module-title { color: #E8EDF3; }
  .module-number { color: #8B99A8; }
  .module-time {
    background: #1E2A3A;
    color: #A0B0C0;
  }

  /* Intro boxes */
  .intro-box {
    background: #141E2E;
    border-color: #1E2A3A;
  }
  .intro-box p { color: #C0CDD8; }

  /* Exercise cards */
  .exercise {
    background: #141E2E;
    border-color: #1E2A3A;
  }
  .exercise:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.3); }
  .exercise-head:hover { background: rgba(0,98,152,0.1); }
  .ex-title { color: #E8EDF3; }
  .ex-chevron { color: #8B99A8; }
  .exercise-body { border-top-color: #1E2A3A; }

  /* Steps */
  .step-text { color: #D0DAE4; }
  .step-text strong { color: #4DA8DA; }

  /* Prompt boxes — already dark, just tweak border */
  .prompt-box {
    background: #0A1018;
    border-color: rgba(0,98,152,0.5);
  }

  /* Copy button */
  .copy-btn {
    background: rgba(0,98,152,0.25);
    border-color: rgba(0,98,152,0.5);
    color: #4DA8DA;
  }
  .copy-btn:hover {
    background: var(--niagara-orange);
    color: #FFFFFF;
    border-color: var(--niagara-orange);
  }

  /* Tip boxes */
  .tip {
    background: rgba(243,139,0,0.12);
    border-color: rgba(243,139,0,0.35);
    color: #D0DAE4;
  }
  .tip strong { color: #F5A623; }

  /* Note boxes */
  .note {
    background: rgba(0,98,152,0.12);
    border-color: rgba(0,98,152,0.35);
    color: #D0DAE4;
  }
  .note strong { color: #4DA8DA; }

  /* Comparison tables */
  .comp-table th {
    background: #003D6B;
    color: #FFFFFF;
  }
  .comp-table td {
    border-bottom-color: #1E2A3A;
    color: #D0DAE4;
  }
  .comp-table tr:nth-child(even) td { background: rgba(0,98,152,0.08); }

  /* Agenda cards */
  .agenda-card {
    background: #141E2E;
    border-color: #1E2A3A;
  }
  .agenda-card:hover { box-shadow: 0 6px 16px rgba(0,0,0,0.3); }
  .agenda-card .a-title { color: #E8EDF3; }
  .agenda-card .a-desc { color: #A0B0C0; }
  .agenda-card .a-time {
    color: #4DA8DA;
    background: rgba(0,98,152,0.15);
  }
  .agenda-card.frontier-card { border-color: rgba(124,58,237,0.4); }
  .agenda-card.frontier-card .a-time {
    color: #A78BFA;
    background: rgba(124,58,237,0.15);
  }

  /* Open app buttons — keep branded, slight tweak */
  .open-app {
    background: #005280;
    color: #FFFFFF;
  }
  .open-app:hover { background: #003D6B; }

  /* Footer — already dark, minor tweaks */
  .footer {
    background: #0A1018;
    color: rgba(255,255,255,0.5);
  }
}

/* ===== EXPAND/COLLAPSE ALL ===== */
.module-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.ctrl-btn {
  background: rgba(0,98,152,0.08);
  border: 1px solid rgba(0,98,152,0.2);
  color: var(--niagara-blue);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.ctrl-btn:hover {
  background: var(--niagara-blue);
  color: white;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--niagara-blue);
  color: white;
  border: none;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--niagara-orange);
  transform: translateY(-2px);
}

/* ===== EXERCISE CHECKBOX ===== */
.ex-check {
  width: 20px;
  height: 20px;
  border: 2px solid var(--light-gray);
  border-radius: 5px;
  flex-shrink: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.2s;
  background: transparent;
  color: transparent;
}
.ex-check.done {
  background: var(--success);
  border-color: var(--success);
  color: white;
}
.exercise.completed {
  opacity: 0.7;
  border-left: 3px solid var(--success);
}
.exercise.completed .ex-title {
  text-decoration: line-through;
  text-decoration-color: var(--mid-gray);
}

/* ===== NAV SCROLL FADE ===== */
.nav-inner::after {
  content: '';
  position: sticky;
  right: 0;
  top: 0;
  width: 40px;
  height: 100%;
  flex-shrink: 0;
  background: linear-gradient(to left, white 20%, transparent);
  pointer-events: none;
}

/* ===== KEYBOARD FOCUS ===== */
.exercise-head:focus-visible {
  outline: 2px solid var(--niagara-blue);
  outline-offset: -2px;
  background: rgba(0,98,152,0.03);
}

/* ===== PRINT STYLESHEET ===== */
@media print {
  .nav-bar, .progress-bar, .copy-btn, .back-to-top, .module-controls, .hero, .footer { display: none !important; }
  .exercise-body { display: block !important; }
  .exercise { break-inside: avoid; page-break-inside: avoid; opacity: 1 !important; }
  .module { page-break-before: auto; margin-top: 24px; }
  body { background: white; color: black; font-size: 11pt; }
  .content { padding: 0; max-width: 100%; }
  .prompt-box { background: #f5f5f5 !important; color: #333 !important; border-color: #ccc !important; }
}

/* ===== ROADMAP TIMELINE ===== */
.timeline {
  position: relative;
  padding-left: 28px;
  margin: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--niagara-blue), var(--niagara-orange), var(--frontier));
  border-radius: 3px;
}
.tl-item {
  position: relative;
  margin-bottom: 20px;
  background: white;
  border: 1px solid var(--light-gray);
  border-radius: 10px;
  padding: 16px 18px;
}
.tl-item::before {
  content: '';
  position: absolute;
  left: -23px;
  top: 20px;
  width: 11px;
  height: 11px;
  background: var(--niagara-blue);
  border: 3px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--niagara-blue);
}
.tl-item.frontier::before { background: var(--frontier); box-shadow: 0 0 0 2px var(--frontier); }
.tl-item.orange::before { background: var(--niagara-orange); box-shadow: 0 0 0 2px var(--niagara-orange); }
.tl-date {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--niagara-blue);
  margin-bottom: 4px;
}
.tl-item.frontier .tl-date { color: var(--frontier); }
.tl-item.orange .tl-date { color: var(--niagara-orange); }
.tl-title { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.tl-desc { font-size: 13px; color: var(--text-light); line-height: 1.5; }

/* ===== DARK MODE ADDITIONS ===== */
@media (prefers-color-scheme: dark) {
  .ctrl-btn {
    background: rgba(0,98,152,0.2);
    border-color: rgba(0,98,152,0.4);
    color: #4DA8DA;
  }
  .ctrl-btn:hover { background: #005280; color: #fff; }
  .back-to-top { background: #005280; box-shadow: 0 4px 16px rgba(0,0,0,0.5); }
  .back-to-top:hover { background: var(--niagara-orange); }
  .ex-check { border-color: #3A4A5A; }
  .nav-inner::after { background: linear-gradient(to left, #141E2E 20%, transparent); }
  .tl-item { background: #141E2E; border-color: #1E2A3A; }
  .tl-item::before { border-color: #141E2E; }
  .tl-title { color: #E8EDF3; }
  .tl-desc { color: #A0B0C0; }
  .timeline::before { opacity: 0.7; }
}

/* ===== CHEAT SHEET COMPONENTS ===== */
.cheat-sheet-container { margin-top: 32px; }
.cheat-sheet-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--dark-navy) 0%, var(--niagara-blue) 100%);
  border-radius: 12px 12px 0 0;
  color: white;
}
.cheat-sheet-header-icon { font-size: 32px; flex-shrink: 0; margin-top: 2px; }
.cheat-sheet-header-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 4px;
}
.cheat-sheet-header-sub {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  line-height: 1.5;
}
.cheat-controls {
  display: flex;
  gap: 8px;
  padding: 12px 24px;
  background: white;
  border: 1px solid var(--light-gray);
  border-top: none;
}

/* Section Accordion */
.cheat-section {
  border: 1px solid var(--light-gray);
  border-top: none;
  background: white;
  overflow: hidden;
}
.cheat-section:last-child { border-radius: 0 0 12px 12px; }
.cheat-section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}
.cheat-section-head:hover { background: rgba(0,98,152,0.04); }
.cheat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  color: white;
}
.cheat-section-info { flex: 1; min-width: 0; }
.cheat-section-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  display: block;
}
.cheat-section-desc {
  font-size: 12px;
  color: var(--text-light);
  display: block;
  margin-top: 2px;
  line-height: 1.4;
}
.cheat-count {
  font-size: 11px;
  font-weight: 700;
  background: var(--light-gray);
  color: var(--text-light);
  padding: 3px 10px;
  border-radius: 10px;
  white-space: nowrap;
  flex-shrink: 0;
}
.cheat-chevron {
  font-size: 16px;
  color: var(--mid-gray);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.cheat-section.open .cheat-chevron { transform: rotate(180deg); }
.cheat-section-body {
  display: none;
  padding: 4px 24px 20px;
  border-top: 1px solid var(--light-gray);
}
.cheat-section.open .cheat-section-body { display: block; }

/* Individual Prompt Card */
.cheat-prompt-card {
  margin-top: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--light-gray);
}
.cheat-prompt-card:last-child { border-bottom: none; padding-bottom: 0; }
.cheat-prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.cheat-prompt-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.cheat-app-badge {
  font-size: 10px;
  font-weight: 800;
  color: white;
  padding: 3px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===== CHEAT SHEET DARK MODE ===== */
@media (prefers-color-scheme: dark) {
  .cheat-sheet-header {
    background: linear-gradient(135deg, #0A1018 0%, #003D6B 100%);
  }
  .cheat-controls {
    background: #141E2E;
    border-color: #1E2A3A;
  }
  .cheat-section {
    background: #141E2E;
    border-color: #1E2A3A;
  }
  .cheat-section-head:hover { background: rgba(0,98,152,0.1); }
  .cheat-section-title { color: #E8EDF3; }
  .cheat-section-desc { color: #A0B0C0; }
  .cheat-count { background: #1E2A3A; color: #A0B0C0; }
  .cheat-chevron { color: #8B99A8; }
  .cheat-section-body { border-top-color: #1E2A3A; }
  .cheat-prompt-card { border-bottom-color: #1E2A3A; }
  .cheat-prompt-title { color: #E8EDF3; }
}

/* ===== CHEAT SHEET RESPONSIVE ===== */
@media (max-width: 480px) {
  .cheat-sheet-header { padding: 16px; flex-direction: column; gap: 10px; }
  .cheat-section-head { padding: 14px 12px; gap: 10px; }
  .cheat-section-desc { display: none; }
  .cheat-section-body { padding: 4px 12px 16px; }
  .cheat-prompt-header { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ===== CHEAT SHEET PRINT ===== */
@media print {
  .cheat-section-body { display: block !important; }
  .cheat-chevron, .cheat-controls { display: none !important; }
  .cheat-section { break-inside: avoid; }
}
/* ===== SKIP TO CONTENT ===== */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--niagara-blue);
  color: white;
  padding: 10px 20px;
  border-radius: 0 0 8px 8px;
  z-index: 9999;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: top 0.3s;
}
.skip-to-content:focus {
  top: 0;
  outline: 2px solid var(--niagara-orange);
  outline-offset: 2px;
}

/* ===== COMPLETION DASHBOARD ===== */
.completion-dashboard {
  position: fixed;
  bottom: 80px;
  right: 28px;
  z-index: 200;
  background: var(--dark-navy);
  color: white;
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  font-size: 13px;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.4s, visibility 0.4s, transform 0.4s;
}
.completion-dashboard.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dashboard-title {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--niagara-orange);
  margin-bottom: 8px;
}
.dashboard-overall {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.dashboard-bar {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  overflow: hidden;
}
.dashboard-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--niagara-blue), var(--success));
  border-radius: 3px;
  transition: width 0.5s ease;
  width: 0%;
}
.dashboard-pct {
  font-weight: 800;
  font-size: 14px;
  color: var(--success);
  min-width: 38px;
  text-align: right;
}
.dashboard-detail {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  .completion-dashboard {
    background: #0A1018;
    box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  }
}
@media (max-width: 480px) {
  .completion-dashboard {
    right: 12px;
    bottom: 80px;
    min-width: 160px;
  }
}

/* ===== MODULE PROGRESS BADGE ===== */
.module-progress-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(16,185,129,0.12);
  color: var(--success);
  padding: 3px 10px;
  border-radius: 8px;
  margin-left: 8px;
  transition: all 0.3s ease;
}
.module-progress-badge.all-done {
  background: var(--success);
  color: white;
}
@media (prefers-color-scheme: dark) {
  .module-progress-badge {
    background: rgba(16,185,129,0.2);
  }
  .module-progress-badge.all-done {
    background: var(--success);
    color: white;
  }
}

/* ===== SEARCH BAR ===== */
.search-container {
  position: relative;
  margin-bottom: 20px;
}
.search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border: 2px solid var(--light-gray);
  border-radius: 10px;
  font-family: Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: white;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.search-input:focus {
  border-color: var(--niagara-blue);
  box-shadow: 0 0 0 3px rgba(0,98,152,0.15);
}
.search-input::placeholder {
  color: var(--mid-gray);
}
.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--mid-gray);
  pointer-events: none;
}
.search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--mid-gray);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  display: none;
}
.search-clear.visible { display: block; }
.search-highlight { background: rgba(243,139,0,0.25); border-radius: 2px; }

/* ===== NO SEARCH RESULTS ===== */
.no-results {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-light);
}
.no-results-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.5; }
.no-results-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.no-results-desc { font-size: 14px; }
.no-results-clear {
  background: none;
  border: none;
  color: var(--niagara-blue);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
  font-family: Arial, sans-serif;
}
.no-results-clear:hover { color: var(--niagara-orange); }

@media (prefers-color-scheme: dark) {
  .search-input {
    background: #141E2E;
    border-color: #1E2A3A;
    color: #E8EDF3;
  }
  .search-input:focus {
    border-color: #4DA8DA;
    box-shadow: 0 0 0 3px rgba(0,98,152,0.3);
  }
}


/* ===== FEATURE: DIFFICULTY BADGES ===== */
.diff-badge {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  flex-shrink: 0;
  margin-left: 4px;
}
.diff-badge.beginner { background: rgba(16,185,129,0.15); color: #059669; }
.diff-badge.intermediate { background: rgba(243,139,0,0.15); color: #D97706; }
.diff-badge.advanced { background: rgba(124,58,237,0.15); color: #7C3AED; }
@media (prefers-color-scheme: dark) {
  .diff-badge.beginner { background: rgba(16,185,129,0.25); color: #34D399; }
  .diff-badge.intermediate { background: rgba(243,139,0,0.25); color: #FBBF24; }
  .diff-badge.advanced { background: rgba(124,58,237,0.25); color: #A78BFA; }
}

/* ===== FEATURE: FAVORITES / BOOKMARKING ===== */
.fav-star {
  cursor: pointer;
  font-size: 18px;
  transition: transform 0.2s, color 0.2s;
  flex-shrink: 0;
  user-select: none;
  opacity: 0.4;
  filter: grayscale(1);
}
.fav-star:hover { transform: scale(1.3); opacity: 0.8; filter: none; }
.fav-star.favorited { opacity: 1; filter: none; transform: scale(1.1); }
.my-favorites-bar {
  background: linear-gradient(135deg, var(--niagara-orange), #E07B00);
  color: white;
  padding: 12px 24px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: none;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 700;
}
.my-favorites-bar.visible { display: flex; }
.my-favorites-bar .fav-count {
  background: rgba(255,255,255,0.25);
  padding: 2px 10px;
  border-radius: 8px;
  font-size: 12px;
}
.export-btn {
  margin-left: auto;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  color: white;
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.export-btn:hover { background: rgba(255,255,255,0.35); }

/* ===== FEATURE: CONTEXTUAL TOOLTIPS ===== */
.glossary-term {
  border-bottom: 1px dashed var(--niagara-blue);
  cursor: help;
  position: relative;
  font-weight: 600;
}
.glossary-tip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-navy);
  color: white;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  width: 260px;
  max-width: 90vw;
  z-index: 500;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.glossary-tip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--dark-navy);
}
.glossary-term:hover .glossary-tip { opacity: 1; }

/* ===== FEATURE: GUIDED FIRST-VISIT TOUR ===== */
.tour-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s;
}
.tour-overlay.active { opacity: 1; visibility: visible; }
.tour-card {
  background: white;
  border-radius: 16px;
  padding: 32px 28px;
  max-width: 480px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  position: relative;
}
.tour-step-indicator {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-bottom: 20px;
}
.tour-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--light-gray);
  transition: all 0.3s;
}
.tour-dot.active { background: var(--niagara-blue); width: 24px; border-radius: 4px; }
.tour-icon { font-size: 48px; margin-bottom: 16px; }
.tour-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}
.tour-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 24px;
}
.tour-actions { display: flex; gap: 10px; justify-content: center; }
.tour-btn {
  padding: 10px 24px;
  border-radius: 8px;
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.tour-btn-primary {
  background: var(--niagara-blue);
  color: white;
}
.tour-btn-primary:hover { background: var(--corporate-blue); }
.tour-btn-skip {
  background: transparent;
  color: var(--mid-gray);
  border: 1px solid var(--light-gray);
}
.tour-btn-skip:hover { background: var(--light-gray); color: var(--text); }
@media (prefers-color-scheme: dark) {
  .tour-card { background: #141E2E; box-shadow: 0 20px 60px rgba(0,0,0,0.6); }
  .tour-title { color: #E8EDF3; }
  .tour-desc { color: #A0B0C0; }
  .tour-dot { background: #2A3A4A; }
  .tour-dot.active { background: #4DA8DA; }
  .tour-btn-skip {
    background: transparent;
    color: #8B99A8;
    border-color: #2A3A4A;
  }
  .tour-btn-skip:hover { background: #1E2A3A; color: #E8EDF3; }
}

/* ===== FEATURE: COMPLETION CERTIFICATE ===== */
.cert-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 9500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s;
}
.cert-overlay.active { opacity: 1; visibility: visible; }
.cert-card {
  background: white;
  border-radius: 20px;
  padding: 48px 40px;
  max-width: 600px;
  width: 95%;
  text-align: center;
  box-shadow: 0 20px 80px rgba(0,0,0,0.5);
  border: 3px solid var(--niagara-orange);
  position: relative;
}
.cert-header {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--niagara-orange);
  margin-bottom: 8px;
}
.cert-title {
  font-family: 'Arial Black', Arial, sans-serif;
  font-size: 28px;
  font-weight: 900;
  color: var(--dark-navy);
  margin-bottom: 20px;
}
.cert-name-input {
  border: 2px solid var(--light-gray);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 18px;
  text-align: center;
  width: 100%;
  max-width: 320px;
  margin-bottom: 20px;
  font-family: Arial, sans-serif;
}
.cert-name-input:focus { border-color: var(--niagara-blue); outline: none; }
.cert-date { font-size: 14px; color: var(--text-light); margin-bottom: 20px; }
.cert-generate-btn {
  background: var(--niagara-blue);
  color: white;
  border: none;
  padding: 12px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}
.cert-generate-btn:hover { background: var(--corporate-blue); }
.cert-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--mid-gray);
}
@media (prefers-color-scheme: dark) {
  .cert-card {
    background: #141E2E;
    border-color: #F5A623;
    box-shadow: 0 20px 80px rgba(0,0,0,0.7);
  }
  .cert-title { color: #E8EDF3; }
  .cert-name-input {
    background: #0A1018;
    border-color: #1E2A3A;
    color: #E8EDF3;
  }
  .cert-name-input:focus { border-color: #4DA8DA; }
  .cert-date { color: #A0B0C0; }
  .cert-close { color: #8B99A8; }
  .cert-close:hover { color: #E8EDF3; }
}

/* ===== FEATURE: BEFORE/AFTER PROMPT COMPARISONS ===== */
.prompt-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 16px 0;
}
.prompt-compare-card {
  border-radius: 10px;
  padding: 16px;
  position: relative;
}
.prompt-compare-card.weak {
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.2);
}
.prompt-compare-card.strong {
  background: rgba(16,185,129,0.06);
  border: 1px solid rgba(16,185,129,0.2);
}
.compare-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 8px;
}
.compare-label.weak { background: rgba(239,68,68,0.15); color: #DC2626; }
.compare-label.strong { background: rgba(16,185,129,0.15); color: #059669; }
.compare-text { font-size: 13px; color: var(--text); line-height: 1.6; }
.compare-callout {
  font-size: 11px;
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 6px;
  font-weight: 600;
}
.compare-callout.issue { background: rgba(239,68,68,0.1); color: #B91C1C; }
.compare-callout.fix { background: rgba(16,185,129,0.1); color: #047857; }
@media (max-width: 640px) { .prompt-comparison { grid-template-columns: 1fr; } }

/* ===== FEATURE: INTERACTIVE PROMPT BUILDER ===== */
.prompt-builder {
  background: white;
  border: 2px solid var(--niagara-blue);
  border-radius: 14px;
  padding: 24px;
  margin: 20px 0;
}
.pb-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--niagara-blue);
  margin-bottom: 4px;
}
.pb-desc { font-size: 13px; color: var(--text-light); margin-bottom: 16px; }
.pb-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.pb-field label {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 4px;
}
.pb-field select, .pb-field input {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--light-gray);
  border-radius: 8px;
  font-family: Arial, sans-serif;
  font-size: 13px;
  color: var(--text);
  background: white;
  transition: border-color 0.2s;
}
.pb-field select:focus, .pb-field input:focus {
  border-color: var(--niagara-blue);
  outline: none;
}
.pb-preview-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--niagara-orange);
  margin-bottom: 6px;
}
.pb-preview {
  background: var(--dark-navy);
  border-left: 4px solid var(--niagara-orange);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: 'Cascadia Code', 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  color: #7EC8F0;
  line-height: 1.6;
  white-space: pre-wrap;
  min-height: 80px;
}
@media (max-width: 768px) { .pb-grid { grid-template-columns: 1fr; } }
@media (prefers-color-scheme: dark) {
  .prompt-builder { background: #141E2E; border-color: #005280; }
  .pb-field select, .pb-field input { background: #0A1018; border-color: #1E2A3A; color: #E8EDF3; }
  .pb-preview { background: #0A1018; }
  .pb-title { color: #4DA8DA; }
}

/* ===== FEATURE: ROLE-BASED LEARNING PATHS ===== */
.role-selector {
  background: linear-gradient(135deg, var(--dark-navy) 0%, var(--niagara-blue) 100%);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 20px;
  color: white;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.role-selector-label {
  font-size: 14px;
  font-weight: 700;
}
.role-select {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.1);
  color: white;
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.role-select option { background: var(--dark-navy); color: white; }
.role-clear {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  text-decoration: underline;
}
.role-clear:hover { color: white; }

/* ===== FEATURE: EXERCISE TIME ESTIMATE ===== */
.ex-time {
  font-size: 11px;
  font-weight: 700;
  color: var(--mid-gray);
  flex-shrink: 0;
  margin-left: 4px;
}

/* ===== FEATURE: TRY IT NOW LINK ===== */
.try-it-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  background: rgba(0,98,152,0.08);
  border: 1px solid rgba(0,98,152,0.2);
  color: var(--niagara-blue);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}
.try-it-link:hover {
  background: var(--niagara-blue);
  color: white;
}
@media (prefers-color-scheme: dark) {
  .try-it-link { background: rgba(0,98,152,0.2); border-color: rgba(0,98,152,0.4); color: #4DA8DA; }
  .try-it-link:hover { background: #005280; color: #fff; }
}

/* ===== FEATURE: NEXT EXERCISE TOAST ===== */
.next-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  z-index: 300;
  background: var(--dark-navy);
  color: white;
  padding: 14px 24px;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.22,1,0.36,1);
  max-width: 90vw;
  cursor: pointer;
}
.next-toast.visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.next-toast-text { font-weight: 600; }
.next-toast-title { color: var(--niagara-orange); font-weight: 800; }
.next-toast-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 18px;
  cursor: pointer;
  padding: 0 0 0 8px;
}
.next-toast-close:hover { color: white; }

/* ===== FEATURE: MODULE COMPLETION BANNER ===== */
.module-complete-banner {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
  padding: 16px 24px;
  border-radius: 12px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 700;
  opacity: 0;
  transform: translateY(-10px);
  animation: bannerSlideIn 0.5s ease forwards;
}
@keyframes bannerSlideIn {
  to { opacity: 1; transform: translateY(0); }
}
.module-complete-banner .banner-icon { font-size: 24px; }
@keyframes confettiBurst {
  0% { transform: scale(0) rotate(0deg); opacity: 1; }
  100% { transform: scale(1.5) rotate(180deg); opacity: 0; }
}

/* ===== FEATURE: LEARNING OBJECTIVES ===== */
.learning-objectives {
  background: rgba(0,98,152,0.04);
  border: 1px solid rgba(0,98,152,0.12);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 20px;
}
.learning-objectives-title {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--niagara-blue);
  margin-bottom: 8px;
}
.learning-objectives ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.learning-objectives li {
  font-size: 13px;
  color: var(--text-light);
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
}
.learning-objectives li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 800;
}
@media (prefers-color-scheme: dark) {
  .learning-objectives { background: rgba(0,98,152,0.1); border-color: rgba(0,98,152,0.25); }
  .learning-objectives-title { color: #4DA8DA; }
  .learning-objectives li { color: #A0B0C0; }
}

/* ===== FEATURE: DIFFICULTY FILTER ===== */
.filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.diff-filter {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.1);
  color: white;
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.diff-filter option { background: var(--dark-navy); color: white; }

/* ===== FEATURE: RECOMMENDED BADGE ===== */
.recommended-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  background: rgba(243,139,0,0.15);
  color: #D97706;
  margin-left: 4px;
  flex-shrink: 0;
}
@media (prefers-color-scheme: dark) {
  .recommended-badge { background: rgba(243,139,0,0.25); color: #FBBF24; }
}

/* ===== FEATURE: KEYBOARD SHORTCUTS MODAL ===== */
.shortcuts-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.shortcuts-modal.active { opacity: 1; visibility: visible; }
.shortcuts-card {
  background: white;
  border-radius: 16px;
  padding: 28px 32px;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.shortcuts-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
}
.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--light-gray);
  font-size: 14px;
  color: var(--text);
}
.shortcut-row:last-child { border-bottom: none; }
.shortcut-key {
  background: var(--light-gray);
  color: var(--text);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: monospace;
  min-width: 36px;
  text-align: center;
}
.shortcuts-close {
  margin-top: 16px;
  width: 100%;
  padding: 10px;
  background: var(--niagara-blue);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.shortcuts-close:hover { background: var(--corporate-blue); }
.shortcuts-hint-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  font-weight: 800;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.shortcuts-hint-btn:hover { background: rgba(255,255,255,0.2); }
@media (prefers-color-scheme: dark) {
  .shortcuts-card { background: #141E2E; box-shadow: 0 20px 60px rgba(0,0,0,0.6); }
  .shortcuts-title { color: #E8EDF3; }
  .shortcut-row { color: #D0DAE4; border-bottom-color: #1E2A3A; }
  .shortcut-key { background: #1E2A3A; color: #E8EDF3; }
}

/* ===== FEATURE: SEARCH HIGHLIGHT ===== */
mark.search-match {
  background: rgba(243,139,0,0.35);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}
@media (prefers-color-scheme: dark) {
  mark.search-match { background: rgba(243,139,0,0.45); }
}

/* ===== FEATURE: PROGRESS EXPORT ===== */
.dashboard-actions {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.dashboard-note {
  font-size: 8px;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

/* ===== FEATURE: PRINT MODULE ===== */
.print-module-btn {
  background: rgba(0,98,152,0.08);
  border: 1px solid rgba(0,98,152,0.2);
  color: var(--niagara-blue);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  margin-left: auto;
}
.print-module-btn:hover { background: var(--niagara-blue); color: white; }
@media (prefers-color-scheme: dark) {
  .print-module-btn { background: rgba(0,98,152,0.2); border-color: rgba(0,98,152,0.4); color: #4DA8DA; }
  .print-module-btn:hover { background: #005280; color: #fff; }
}

/* ===== PRINT: ALL NEW FEATURES ===== */
@media print {
  .tour-overlay, .cert-overlay, .role-selector, .my-favorites-bar, .next-toast, .shortcuts-modal, .completion-dashboard, .shortcuts-hint-btn, .print-module-btn, .try-it-link, .resume-banner, .challenge-overlay, .challenge-mode-btn, .tour-relaunch-btn, .theme-toggle, .module-quiz, .quick-reference-card { display: none !important; }
  .module:not(.print-target) { display: none !important; }
  .module.print-target { display: block !important; }
  .module.print-target .exercise { break-inside: avoid; }
  .module.print-target .exercise-body { grid-template-rows: 1fr !important; padding-bottom: 20px !important; border-top-color: var(--light-gray) !important; }
  body.printing-module .nav-bar, body.printing-module .progress-bar, body.printing-module .hero, body.printing-module .footer, body.printing-module .back-to-top { display: none !important; }
}

/* ===== MANUAL DARK MODE TOGGLE ===== */
/* Mirrors all @media (prefers-color-scheme: dark) rules for manual toggle */
[data-theme="dark"] {
  --off-white: #0F1724;
  --light-gray: #1E2A3A;
  --mid-gray: #8B99A8;
  --text: #E8EDF3;
  --text-light: #A0B0C0;
}
[data-theme="dark"] body { background: #0F1724; color: #E8EDF3; }
[data-theme="dark"] .nav-bar { background: #141E2E; border-bottom-color: #1E2A3A; box-shadow: 0 2px 12px rgba(0,0,0,0.3); }
[data-theme="dark"] .nav-btn { color: #8B99A8; }
[data-theme="dark"] .nav-btn:hover { color: #4DA8DA; }
[data-theme="dark"] .nav-btn.active { color: #4DA8DA; border-bottom-color: var(--niagara-orange); }
[data-theme="dark"] .progress-bar { background: #1E2A3A; }
[data-theme="dark"] .module-header { border-bottom-color: #1E2A3A; background: #0F1724; }
[data-theme="dark"] .module-title { color: #E8EDF3; }
[data-theme="dark"] .module-number { color: #8B99A8; }
[data-theme="dark"] .module-time { background: #1E2A3A; color: #A0B0C0; }
[data-theme="dark"] .intro-box { background: #141E2E; border-color: #1E2A3A; }
[data-theme="dark"] .intro-box p { color: #C0CDD8; }
[data-theme="dark"] .exercise { background: #141E2E; border-color: #1E2A3A; }
[data-theme="dark"] .exercise:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.3); }
[data-theme="dark"] .exercise-head:hover { background: rgba(0,98,152,0.1); }
[data-theme="dark"] .ex-title { color: #E8EDF3; }
[data-theme="dark"] .ex-chevron { color: #8B99A8; }
[data-theme="dark"] .exercise-body { border-top-color: #1E2A3A; }
[data-theme="dark"] .step-text { color: #D0DAE4; }
[data-theme="dark"] .step-text strong { color: #4DA8DA; }
[data-theme="dark"] .prompt-box { background: #0A1018; border-color: rgba(0,98,152,0.5); }
[data-theme="dark"] .copy-btn { background: rgba(0,98,152,0.25); border-color: rgba(0,98,152,0.5); color: #4DA8DA; }
[data-theme="dark"] .copy-btn:hover { background: var(--niagara-orange); color: #FFFFFF; border-color: var(--niagara-orange); }
[data-theme="dark"] .tip { background: rgba(243,139,0,0.12); border-color: rgba(243,139,0,0.35); color: #D0DAE4; }
[data-theme="dark"] .tip strong { color: #F5A623; }
[data-theme="dark"] .note { background: rgba(0,98,152,0.12); border-color: rgba(0,98,152,0.35); color: #D0DAE4; }
[data-theme="dark"] .note strong { color: #4DA8DA; }
[data-theme="dark"] .comp-table th { background: #003D6B; color: #FFFFFF; }
[data-theme="dark"] .comp-table td { border-bottom-color: #1E2A3A; color: #D0DAE4; }
[data-theme="dark"] .comp-table tr:nth-child(even) td { background: rgba(0,98,152,0.08); }
[data-theme="dark"] .agenda-card { background: #141E2E; border-color: #1E2A3A; }
[data-theme="dark"] .agenda-card:hover { box-shadow: 0 6px 16px rgba(0,0,0,0.3); }
[data-theme="dark"] .agenda-card .a-title { color: #E8EDF3; }
[data-theme="dark"] .agenda-card .a-desc { color: #A0B0C0; }
[data-theme="dark"] .agenda-card .a-time { color: #4DA8DA; background: rgba(0,98,152,0.15); }
[data-theme="dark"] .agenda-card.frontier-card { border-color: rgba(124,58,237,0.4); }
[data-theme="dark"] .agenda-card.frontier-card .a-time { color: #A78BFA; background: rgba(124,58,237,0.15); }
[data-theme="dark"] .open-app { background: #005280; color: #FFFFFF; }
[data-theme="dark"] .open-app:hover { background: #003D6B; }
[data-theme="dark"] .footer { background: #0A1018; color: rgba(255,255,255,0.5); }
/* Block 2: controls, back-to-top, checks, nav, timeline */
[data-theme="dark"] .ctrl-btn { background: rgba(0,98,152,0.2); border-color: rgba(0,98,152,0.4); color: #4DA8DA; }
[data-theme="dark"] .ctrl-btn:hover { background: #005280; color: #fff; }
[data-theme="dark"] .back-to-top { background: #005280; box-shadow: 0 4px 16px rgba(0,0,0,0.5); }
[data-theme="dark"] .back-to-top:hover { background: var(--niagara-orange); }
[data-theme="dark"] .ex-check { border-color: #3A4A5A; }
[data-theme="dark"] .nav-inner::after { background: linear-gradient(to left, #141E2E 20%, transparent); }
[data-theme="dark"] .tl-item { background: #141E2E; border-color: #1E2A3A; }
[data-theme="dark"] .tl-item::before { border-color: #141E2E; }
[data-theme="dark"] .tl-title { color: #E8EDF3; }
[data-theme="dark"] .tl-desc { color: #A0B0C0; }
[data-theme="dark"] .timeline::before { opacity: 0.7; }
/* Block 3: cheat sheets */
[data-theme="dark"] .cheat-sheet-header { background: linear-gradient(135deg, #0A1018 0%, #003D6B 100%); }
[data-theme="dark"] .cheat-controls { background: #141E2E; border-color: #1E2A3A; }
[data-theme="dark"] .cheat-section { background: #141E2E; border-color: #1E2A3A; }
[data-theme="dark"] .cheat-section-head:hover { background: rgba(0,98,152,0.1); }
[data-theme="dark"] .cheat-section-title { color: #E8EDF3; }
[data-theme="dark"] .cheat-section-desc { color: #A0B0C0; }
[data-theme="dark"] .cheat-count { background: #1E2A3A; color: #A0B0C0; }
[data-theme="dark"] .cheat-chevron { color: #8B99A8; }
[data-theme="dark"] .cheat-section-body { border-top-color: #1E2A3A; }
[data-theme="dark"] .cheat-prompt-card { border-bottom-color: #1E2A3A; }
[data-theme="dark"] .cheat-prompt-title { color: #E8EDF3; }
/* Block 4: dashboard */
[data-theme="dark"] .completion-dashboard { background: #0A1018; box-shadow: 0 8px 32px rgba(0,0,0,0.6); }
/* Block 5: module progress badge */
[data-theme="dark"] .module-progress-badge { background: rgba(16,185,129,0.2); }
[data-theme="dark"] .module-progress-badge.all-done { background: var(--success); color: white; }
/* Block 6: search input */
[data-theme="dark"] .search-input { background: #141E2E; border-color: #1E2A3A; color: #E8EDF3; }
[data-theme="dark"] .search-input:focus { border-color: #4DA8DA; box-shadow: 0 0 0 3px rgba(0,98,152,0.3); }
/* Block 7: difficulty badges */
[data-theme="dark"] .diff-badge.beginner { background: rgba(16,185,129,0.25); color: #34D399; }
[data-theme="dark"] .diff-badge.intermediate { background: rgba(243,139,0,0.25); color: #FBBF24; }
[data-theme="dark"] .diff-badge.advanced { background: rgba(124,58,237,0.25); color: #A78BFA; }
/* Block 8: tour */
[data-theme="dark"] .tour-card { background: #141E2E; box-shadow: 0 20px 60px rgba(0,0,0,0.6); }
[data-theme="dark"] .tour-title { color: #E8EDF3; }
[data-theme="dark"] .tour-desc { color: #A0B0C0; }
[data-theme="dark"] .tour-dot { background: #2A3A4A; }
[data-theme="dark"] .tour-dot.active { background: #4DA8DA; }
[data-theme="dark"] .tour-btn-skip { background: transparent; color: #8B99A8; border-color: #2A3A4A; }
[data-theme="dark"] .tour-btn-skip:hover { background: #1E2A3A; color: #E8EDF3; }
/* Block 9: certificate */
[data-theme="dark"] .cert-card { background: #141E2E; border-color: #F5A623; box-shadow: 0 20px 80px rgba(0,0,0,0.7); }
[data-theme="dark"] .cert-title { color: #E8EDF3; }
[data-theme="dark"] .cert-name-input { background: #0A1018; border-color: #1E2A3A; color: #E8EDF3; }
[data-theme="dark"] .cert-name-input:focus { border-color: #4DA8DA; }
[data-theme="dark"] .cert-date { color: #A0B0C0; }
[data-theme="dark"] .cert-close { color: #8B99A8; }
[data-theme="dark"] .cert-close:hover { color: #E8EDF3; }
/* Block 10: prompt builder */
[data-theme="dark"] .prompt-builder { background: #141E2E; border-color: #005280; }
[data-theme="dark"] .pb-field select, [data-theme="dark"] .pb-field input { background: #0A1018; border-color: #1E2A3A; color: #E8EDF3; }
[data-theme="dark"] .pb-preview { background: #0A1018; }
[data-theme="dark"] .pb-title { color: #4DA8DA; }
/* Block 11: try-it link */
[data-theme="dark"] .try-it-link { background: rgba(0,98,152,0.2); border-color: rgba(0,98,152,0.4); color: #4DA8DA; }
[data-theme="dark"] .try-it-link:hover { background: #005280; color: #fff; }
/* Block 12: learning objectives */
[data-theme="dark"] .learning-objectives { background: rgba(0,98,152,0.1); border-color: rgba(0,98,152,0.25); }
[data-theme="dark"] .learning-objectives-title { color: #4DA8DA; }
[data-theme="dark"] .learning-objectives li { color: #A0B0C0; }
/* Block 13: recommended badge */
[data-theme="dark"] .recommended-badge { background: rgba(243,139,0,0.25); color: #FBBF24; }
/* Block 14: shortcuts modal */
[data-theme="dark"] .shortcuts-card { background: #141E2E; box-shadow: 0 20px 60px rgba(0,0,0,0.6); }
[data-theme="dark"] .shortcuts-title { color: #E8EDF3; }
[data-theme="dark"] .shortcut-row { color: #D0DAE4; border-bottom-color: #1E2A3A; }
[data-theme="dark"] .shortcut-key { background: #1E2A3A; color: #E8EDF3; }
/* Block 15: search highlight */
[data-theme="dark"] mark.search-match { background: rgba(243,139,0,0.45); }
/* Block 16: print module btn */
[data-theme="dark"] .print-module-btn { background: rgba(0,98,152,0.2); border-color: rgba(0,98,152,0.4); color: #4DA8DA; }
[data-theme="dark"] .print-module-btn:hover { background: #005280; color: #fff; }

/* ===== MANUAL LIGHT MODE TOGGLE ===== */
/* Forces light mode when explicitly selected, overriding system dark preference */
[data-theme="light"] {
  --off-white: #F7F9FC;
  --light-gray: #E8EDF3;
  --mid-gray: #8B99A8;
  --text: #1A2B3C;
  --text-light: #4A5B6C;
}
[data-theme="light"] body { background: #F7F9FC; color: #1A2B3C; }
[data-theme="light"] .nav-bar { background: white; border-bottom-color: #E8EDF3; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
[data-theme="light"] .nav-btn { color: #8B99A8; }
[data-theme="light"] .nav-btn:hover { color: var(--niagara-blue); }
[data-theme="light"] .nav-btn.active { color: var(--niagara-blue); border-bottom-color: var(--niagara-orange); }
[data-theme="light"] .progress-bar { background: #E8EDF3; }
[data-theme="light"] .module-header { border-bottom-color: #E8EDF3; background: transparent; }
[data-theme="light"] .module-title { color: #1A2B3C; }
[data-theme="light"] .module-number { color: #8B99A8; }
[data-theme="light"] .module-time { background: #E8EDF3; color: #4A5B6C; }
[data-theme="light"] .intro-box { background: #F0F4FA; border-color: #E8EDF3; }
[data-theme="light"] .intro-box p { color: #4A5B6C; }
[data-theme="light"] .exercise { background: white; border-color: #E8EDF3; }
[data-theme="light"] .exercise:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
[data-theme="light"] .exercise-head:hover { background: rgba(0,98,152,0.04); }
[data-theme="light"] .ex-title { color: #1A2B3C; }
[data-theme="light"] .ex-chevron { color: #8B99A8; }
[data-theme="light"] .exercise-body { border-top-color: #E8EDF3; }
[data-theme="light"] .step-text { color: #1A2B3C; }
[data-theme="light"] .step-text strong { color: var(--niagara-blue); }
[data-theme="light"] .prompt-box { background: var(--dark-navy); border-color: rgba(0,98,152,0.4); }
[data-theme="light"] .copy-btn { background: rgba(0,98,152,0.1); border-color: rgba(0,98,152,0.3); color: var(--niagara-blue); }
[data-theme="light"] .copy-btn:hover { background: var(--niagara-orange); color: #FFFFFF; border-color: var(--niagara-orange); }
[data-theme="light"] .tip { background: rgba(243,139,0,0.08); border-color: rgba(243,139,0,0.25); color: #1A2B3C; }
[data-theme="light"] .tip strong { color: #D97706; }
[data-theme="light"] .note { background: rgba(0,98,152,0.06); border-color: rgba(0,98,152,0.2); color: #1A2B3C; }
[data-theme="light"] .note strong { color: var(--niagara-blue); }
[data-theme="light"] .comp-table th { background: var(--niagara-blue); color: #FFFFFF; }
[data-theme="light"] .comp-table td { border-bottom-color: #E8EDF3; color: #1A2B3C; }
[data-theme="light"] .comp-table tr:nth-child(even) td { background: rgba(0,98,152,0.03); }
[data-theme="light"] .agenda-card { background: white; border-color: #E8EDF3; }
[data-theme="light"] .agenda-card:hover { box-shadow: 0 6px 16px rgba(0,0,0,0.08); }
[data-theme="light"] .agenda-card .a-title { color: #1A2B3C; }
[data-theme="light"] .agenda-card .a-desc { color: #4A5B6C; }
[data-theme="light"] .agenda-card .a-time { color: var(--niagara-blue); background: rgba(0,98,152,0.08); }
[data-theme="light"] .agenda-card.frontier-card { border-color: rgba(124,58,237,0.25); }
[data-theme="light"] .agenda-card.frontier-card .a-time { color: #7C3AED; background: rgba(124,58,237,0.08); }
[data-theme="light"] .open-app { background: var(--niagara-blue); color: #FFFFFF; }
[data-theme="light"] .open-app:hover { background: #005280; }
[data-theme="light"] .footer { background: #1A2B3C; color: rgba(255,255,255,0.6); }
[data-theme="light"] .ctrl-btn { background: rgba(0,98,152,0.08); border-color: rgba(0,98,152,0.2); color: var(--niagara-blue); }
[data-theme="light"] .ctrl-btn:hover { background: var(--niagara-blue); color: #fff; }
[data-theme="light"] .back-to-top { background: var(--niagara-blue); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
[data-theme="light"] .back-to-top:hover { background: var(--niagara-orange); }
[data-theme="light"] .ex-check { border-color: #C8D4E0; }
[data-theme="light"] .nav-inner::after { background: linear-gradient(to left, white 20%, transparent); }
[data-theme="light"] .tl-item { background: white; border-color: #E8EDF3; }
[data-theme="light"] .tl-item::before { border-color: white; }
[data-theme="light"] .tl-title { color: #1A2B3C; }
[data-theme="light"] .tl-desc { color: #4A5B6C; }
[data-theme="light"] .timeline::before { opacity: 1; }
[data-theme="light"] .cheat-sheet-header { background: linear-gradient(135deg, #003D6B 0%, #005DAA 100%); }
[data-theme="light"] .cheat-controls { background: white; border-color: #E8EDF3; }
[data-theme="light"] .cheat-section { background: white; border-color: #E8EDF3; }
[data-theme="light"] .cheat-section-head:hover { background: rgba(0,98,152,0.04); }
[data-theme="light"] .cheat-section-title { color: #1A2B3C; }
[data-theme="light"] .cheat-section-desc { color: #4A5B6C; }
[data-theme="light"] .cheat-count { background: #E8EDF3; color: #4A5B6C; }
[data-theme="light"] .cheat-chevron { color: #8B99A8; }
[data-theme="light"] .cheat-section-body { border-top-color: #E8EDF3; }
[data-theme="light"] .cheat-prompt-card { border-bottom-color: #E8EDF3; }
[data-theme="light"] .cheat-prompt-title { color: #1A2B3C; }
[data-theme="light"] .completion-dashboard { background: linear-gradient(135deg, #1A2B3C, #003D6B); box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
[data-theme="light"] .module-progress-badge { background: rgba(16,185,129,0.15); }
[data-theme="light"] .module-progress-badge.all-done { background: var(--success); color: white; }
[data-theme="light"] .search-input { background: white; border-color: #E8EDF3; color: #1A2B3C; }
[data-theme="light"] .search-input:focus { border-color: var(--niagara-blue); box-shadow: 0 0 0 3px rgba(0,98,152,0.15); }
[data-theme="light"] .diff-badge.beginner { background: rgba(16,185,129,0.12); color: #059669; }
[data-theme="light"] .diff-badge.intermediate { background: rgba(243,139,0,0.12); color: #D97706; }
[data-theme="light"] .diff-badge.advanced { background: rgba(124,58,237,0.12); color: #7C3AED; }
[data-theme="light"] .tour-card { background: white; box-shadow: 0 20px 60px rgba(0,0,0,0.15); }
[data-theme="light"] .tour-title { color: #1A2B3C; }
[data-theme="light"] .tour-desc { color: #4A5B6C; }
[data-theme="light"] .tour-dot { background: #E8EDF3; }
[data-theme="light"] .tour-dot.active { background: var(--niagara-blue); }
[data-theme="light"] .tour-btn-skip { background: transparent; color: #8B99A8; border-color: #E8EDF3; }
[data-theme="light"] .tour-btn-skip:hover { background: #F0F4FA; color: #1A2B3C; }
[data-theme="light"] .cert-card { background: white; border-color: #F5A623; box-shadow: 0 20px 80px rgba(0,0,0,0.15); }
[data-theme="light"] .cert-title { color: #1A2B3C; }
[data-theme="light"] .cert-name-input { background: white; border-color: #E8EDF3; color: #1A2B3C; }
[data-theme="light"] .cert-name-input:focus { border-color: var(--niagara-blue); }
[data-theme="light"] .cert-date { color: #4A5B6C; }
[data-theme="light"] .cert-close { color: #8B99A8; }
[data-theme="light"] .cert-close:hover { color: #1A2B3C; }
[data-theme="light"] .prompt-builder { background: white; border-color: rgba(0,98,152,0.2); }
[data-theme="light"] .pb-field select, [data-theme="light"] .pb-field input { background: white; border-color: #E8EDF3; color: #1A2B3C; }
[data-theme="light"] .pb-preview { background: #F7F9FC; }
[data-theme="light"] .pb-title { color: var(--niagara-blue); }
[data-theme="light"] .try-it-link { background: rgba(0,98,152,0.08); border-color: rgba(0,98,152,0.2); color: var(--niagara-blue); }
[data-theme="light"] .try-it-link:hover { background: var(--niagara-blue); color: #fff; }
[data-theme="light"] .learning-objectives { background: rgba(0,98,152,0.05); border-color: rgba(0,98,152,0.15); }
[data-theme="light"] .learning-objectives-title { color: var(--niagara-blue); }
[data-theme="light"] .learning-objectives li { color: #4A5B6C; }
[data-theme="light"] .recommended-badge { background: rgba(243,139,0,0.12); color: #D97706; }
[data-theme="light"] .shortcuts-card { background: white; box-shadow: 0 20px 60px rgba(0,0,0,0.15); }
[data-theme="light"] .shortcuts-title { color: #1A2B3C; }
[data-theme="light"] .shortcut-row { color: #1A2B3C; border-bottom-color: #E8EDF3; }
[data-theme="light"] .shortcut-key { background: #E8EDF3; color: #1A2B3C; }
[data-theme="light"] mark.search-match { background: rgba(243,139,0,0.25); }
[data-theme="light"] .print-module-btn { background: rgba(0,98,152,0.08); border-color: rgba(0,98,152,0.2); color: var(--niagara-blue); }
[data-theme="light"] .print-module-btn:hover { background: var(--niagara-blue); color: #fff; }

/* ===== DARK MODE TOGGLE BUTTON ===== */
.theme-toggle {
  background: linear-gradient(135deg, #334155, #1E293B);
  border: none;
  color: white;
  font-size: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
  margin-left: 4px;
}
.theme-toggle:hover { transform: scale(1.1); }

/* ===== FEATURE: TRAINING EMAIL LINK ===== */
.training-email-link {
  display: block;
  text-align: center;
  font-size: 11px;
  color: white;
  text-decoration: none;
  font-weight: 700;
  padding: 6px 10px;
  background: var(--niagara-orange);
  border-radius: 6px;
  margin-top: 2px;
  transition: all 0.2s;
}
.training-email-link:hover { background: #E67E00; transform: scale(1.03); }
.cheat-sheet-link {
  display: block;
  text-align: center;
  font-size: 11px;
  color: white;
  text-decoration: none;
  font-weight: 700;
  padding: 6px 10px;
  background: var(--niagara-blue);
  border-radius: 6px;
  transition: all 0.2s;
}
.cheat-sheet-link:hover { background: #004D80; transform: scale(1.03); }
.footer-training-link {
  margin-top: 12px;
  font-size: 13px;
}
.footer-training-link a {
  color: var(--niagara-orange);
  text-decoration: underline;
  font-weight: 700;
}
.footer-training-link a:hover { color: #F5A623; }

/* ===== FEATURE: TIME REMAINING ===== */
.dashboard-time-remaining {
  font-size: 11px;
  color: var(--niagara-orange);
  font-weight: 700;
  margin-top: 2px;
}

/* ===== FEATURE: RESUME WHERE YOU LEFT OFF ===== */
.resume-banner {
  position: fixed;
  top: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: linear-gradient(135deg, var(--dark-navy), var(--niagara-blue));
  color: white;
  padding: 10px 16px;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
  max-width: min(500px, 90vw);
}
.resume-banner.visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.resume-banner-content {
  flex: 1;
  min-width: 0;
}
.resume-banner-label { font-size: 12px; margin-bottom: 2px; }
.resume-banner-title { color: var(--niagara-orange); font-weight: 800; font-size: 14px; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.resume-banner-go {
  background: var(--niagara-orange);
  color: white;
  border: none;
  padding: 5px 14px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.resume-banner-go:hover { filter: brightness(1.1); }
.resume-banner-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.resume-banner-close:hover { color: white; }

/* ===== FEATURE: QUICK REFERENCE CARD ===== */
.quick-reference-card {
  background: linear-gradient(135deg, rgba(0,98,152,0.06), rgba(243,139,0,0.06));
  border: 1px solid rgba(0,98,152,0.2);
  border-radius: 12px;
  padding: 20px;
  margin-top: 20px;
}
.quick-reference-card:empty { display: none; }
.qref-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--niagara-blue);
  margin-bottom: 12px;
}
.qref-prompt {
  background: white;
  border: 1px solid var(--light-gray);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.5;
}
.qref-prompt:last-child { margin-bottom: 0; }
.qref-prompt-title { font-weight: 700; color: var(--text); margin-bottom: 4px; }
.qref-prompt-text { color: var(--text-light); font-size: 12px; }
[data-theme="dark"] .quick-reference-card {
  background: linear-gradient(135deg, rgba(0,98,152,0.12), rgba(243,139,0,0.08));
  border-color: rgba(0,98,152,0.3);
}
[data-theme="dark"] .qref-prompt { background: #0A1018; border-color: #1E2A3A; }
[data-theme="dark"] .qref-title { color: #4DA8DA; }
@media (prefers-color-scheme: dark) {
  .quick-reference-card { background: linear-gradient(135deg, rgba(0,98,152,0.12), rgba(243,139,0,0.08)); border-color: rgba(0,98,152,0.3); }
  .qref-prompt { background: #0A1018; border-color: #1E2A3A; }
  .qref-title { color: #4DA8DA; }
}

/* ===== FEATURE: KNOWLEDGE CHECK QUIZZES ===== */
.module-quiz {
  margin-top: 20px;
  background: linear-gradient(135deg, rgba(16,185,129,0.05), rgba(0,98,152,0.05));
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 12px;
  padding: 20px;
}
.module-quiz:empty { display: none; }
.quiz-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--success);
  margin-bottom: 16px;
}
.quiz-question {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--light-gray);
}
.quiz-question:last-of-type { border-bottom: none; }
.quiz-q-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.quiz-option {
  display: block;
  padding: 8px 12px;
  margin: 4px 0;
  border: 1px solid var(--light-gray);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}
.quiz-option:hover { border-color: var(--niagara-blue); background: rgba(0,98,152,0.05); }
.quiz-option.selected { border-color: var(--niagara-blue); background: rgba(0,98,152,0.1); font-weight: 700; }
.quiz-option.correct { border-color: var(--success); background: rgba(16,185,129,0.15); }
.quiz-option.incorrect { border-color: #EF4444; background: rgba(239,68,68,0.1); opacity: 0.7; }
.quiz-submit-btn {
  background: var(--success);
  color: white;
  border: none;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 12px;
}
.quiz-submit-btn:hover { filter: brightness(1.1); }
.quiz-submit-btn:disabled { opacity: 0.5; cursor: default; }
.quiz-result {
  margin-top: 12px;
  padding: 12px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
}
.quiz-result.pass { background: rgba(16,185,129,0.15); color: var(--success); }
.quiz-result.needs-review { background: rgba(243,139,0,0.15); color: var(--niagara-orange); }
[data-theme="dark"] .module-quiz {
  background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(0,98,152,0.08));
  border-color: rgba(16,185,129,0.3);
}
[data-theme="dark"] .quiz-option { border-color: #1E2A3A; }
[data-theme="dark"] .quiz-option:hover { background: rgba(0,98,152,0.15); }
@media (prefers-color-scheme: dark) {
  .module-quiz { background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(0,98,152,0.08)); border-color: rgba(16,185,129,0.3); }
  .quiz-option { border-color: #1E2A3A; }
  .quiz-option:hover { background: rgba(0,98,152,0.15); }
}

/* ===== FEATURE: CHALLENGE MODE ===== */
.challenge-mode-btn {
  background: linear-gradient(135deg, var(--niagara-orange), #E67E00);
  border: none;
  color: white;
  font-size: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
  margin-left: 4px;
}
.challenge-mode-btn:hover { transform: scale(1.1); }
.tour-relaunch-btn {
  background: linear-gradient(135deg, var(--niagara-blue), #004D80);
  border: none;
  color: white;
  font-size: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
  margin-left: 4px;
}
.tour-relaunch-btn:hover { transform: scale(1.1); }
.challenge-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.challenge-overlay.active { opacity: 1; visibility: visible; }
.challenge-panel {
  background: white;
  border-radius: 16px;
  padding: 28px 32px;
  max-width: 640px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.challenge-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}
.challenge-header-icon { font-size: 32px; }
.challenge-title { font-size: 20px; font-weight: 800; color: var(--dark-navy); }
.challenge-subtitle { font-size: 13px; color: var(--text-light); margin-top: 4px; }
.challenge-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--mid-gray);
  cursor: pointer;
  margin-left: auto;
}
.challenge-close:hover { color: var(--text); }
.challenge-progress-bar {
  height: 6px;
  background: var(--light-gray);
  border-radius: 3px;
  margin-bottom: 20px;
  overflow: hidden;
}
.challenge-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--niagara-orange), var(--success));
  border-radius: 3px;
  transition: width 0.5s ease;
  width: 0%;
}
.challenge-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--light-gray);
  border-radius: 10px;
  margin-bottom: 10px;
  transition: all 0.2s;
}
.challenge-step.completed { border-color: var(--success); background: rgba(16,185,129,0.05); }
.challenge-step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: var(--text);
  flex-shrink: 0;
}
.challenge-step.completed .challenge-step-number { background: var(--success); color: white; }
.challenge-step-content { flex: 1; }
.challenge-step-title { font-weight: 700; font-size: 14px; color: var(--text); }
.challenge-step-app { font-size: 11px; font-weight: 700; color: var(--niagara-blue); margin-top: 2px; }
.challenge-step-desc { font-size: 13px; color: var(--text-light); margin-top: 6px; line-height: 1.5; }
.challenge-step-prompt {
  background: #0A1018;
  color: #E8EDF3;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12px;
  margin-top: 8px;
  font-family: monospace;
  line-height: 1.5;
}
.challenge-step-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.challenge-step-check {
  background: var(--success);
  color: white;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.challenge-step-check.checked { background: var(--mid-gray); }
.challenge-step-link {
  background: rgba(0,98,152,0.1);
  border: 1px solid rgba(0,98,152,0.2);
  color: var(--niagara-blue);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}
[data-theme="dark"] .challenge-panel { background: #141E2E; }
[data-theme="dark"] .challenge-title { color: #E8EDF3; }
[data-theme="dark"] .challenge-step { border-color: #1E2A3A; }
[data-theme="dark"] .challenge-step-number { background: #1E2A3A; color: #E8EDF3; }
[data-theme="dark"] .challenge-step-title { color: #E8EDF3; }
[data-theme="dark"] .challenge-step-app { color: #4DA8DA; }
@media (prefers-color-scheme: dark) {
  .challenge-panel { background: #141E2E; }
  .challenge-title { color: #E8EDF3; }
  .challenge-step { border-color: #1E2A3A; }
  .challenge-step-number { background: #1E2A3A; color: #E8EDF3; }
  .challenge-step-title { color: #E8EDF3; }
  .challenge-step-app { color: #4DA8DA; }
}