/* ============================================================
   Enterprise Cybersecurity Awareness - styles.css
   Modern, Accessible, Responsive Design System
   ============================================================ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  /* Brand Colors */
  --clr-primary:        #1a73e8;
  --clr-primary-dark:   #1557b0;
  --clr-primary-light:  #d2e3fc;
  --clr-accent:         #00c853;
  --clr-accent-dark:    #009624;
  --clr-danger:         #d93025;
  --clr-danger-light:   #fce8e6;
  --clr-warning:        #f9ab00;
  --clr-warning-light:  #fef7e0;
  --clr-info:           #0288d1;
  --clr-info-light:     #e1f5fe;

  /* Surface & Text (Light Theme) */
  --bg-app:             #f0f4f8;
  --bg-surface:         #ffffff;
  --bg-surface-alt:     #f8f9fa;
  --bg-sidebar:         #1a1e2e;
  --bg-header:          #ffffff;
  --text-primary:       #1c2333;
  --text-secondary:     #5f6368;
  --text-muted:         #9aa0a6;
  --text-on-dark:       #e8eaed;
  --text-on-accent:     #ffffff;
  --border-color:       #e0e4ea;
  --shadow-sm:          0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:          0 4px 12px rgba(0,0,0,.10), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:          0 12px 32px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.08);

  /* Sidebar */
  --sidebar-width:      260px;
  --header-height:      64px;

  /* Typography */
  --font-sans:          'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:          'Cascadia Code', 'Consolas', monospace;
  --fs-xs:              0.72rem;
  --fs-sm:              0.85rem;
  --fs-base:            1rem;
  --fs-lg:              1.15rem;
  --fs-xl:              1.35rem;
  --fs-2xl:             1.65rem;
  --fs-3xl:             2.1rem;

  /* Spacing */
  --sp-1: 0.25rem; --sp-2: 0.5rem;  --sp-3: 0.75rem;
  --sp-4: 1rem;    --sp-6: 1.5rem;  --sp-8: 2rem;
  --sp-10: 2.5rem; --sp-12: 3rem;   --sp-16: 4rem;

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-app:           #0d1117;
  --bg-surface:       #161b22;
  --bg-surface-alt:   #1c2128;
  --bg-sidebar:       #0d1117;
  --bg-header:        #161b22;
  --text-primary:     #e6edf3;
  --text-secondary:   #8b949e;
  --text-muted:       #6e7681;
  --border-color:     #30363d;
  --shadow-sm:        0 1px 3px rgba(0,0,0,.3);
  --shadow-md:        0 4px 12px rgba(0,0,0,.4);
  --shadow-lg:        0 12px 32px rgba(0,0,0,.5);
  --clr-primary-light: rgba(26,115,232,0.18);
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

a { color: var(--clr-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-fast);
}

button:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
}

/* ── App Layout ─────────────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header ─────────────────────────────────────────────────── */
.app-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  padding: 0 var(--sp-6);
  gap: var(--sp-4);
  z-index: 100;
  transition: background var(--transition-base);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.logo-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--clr-primary), #0d47a1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .org-name {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.logo-text .course-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
}

/* Header center: progress */
.header-progress {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 400px;
  margin: 0 auto;
}

.header-progress .progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.progress-label span {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
}

.progress-label .progress-pct {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--clr-primary);
}

.progress-track {
  height: 6px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
  width: 0%;
}

/* Completion badge */
.completion-badge {
  display: none;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
  border: 1px solid var(--clr-accent);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--clr-accent-dark);
  animation: pulse-badge 2s ease infinite;
}

.completion-badge.visible { display: flex; }

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,200,83,.3); }
  50%       { box-shadow: 0 0 0 6px rgba(0,200,83,0); }
}

/* Header right controls */
.header-controls {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

.btn-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--bg-surface-alt);
  color: var(--text-primary);
}

/* ── App Body ────────────────────────────────────────────────── */
.app-body {
  display: flex;
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  flex-shrink: 0;
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  overflow-y: auto;
  padding: var(--sp-6) 0;
  transition: transform var(--transition-base);
  z-index: 90;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.1) transparent;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 4px; }

.sidebar-section-label {
  padding: var(--sp-2) var(--sp-6);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255,255,255,.35);
  margin-bottom: var(--sp-2);
}

.module-nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-6);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  user-select: none;
}

.module-nav-item:hover {
  background: rgba(255,255,255,.06);
}

.module-nav-item.active {
  background: rgba(26,115,232,.2);
}

.module-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--clr-primary);
  border-radius: 0 2px 2px 0;
}

.module-nav-item .nav-icon {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  flex-shrink: 0;
  background: rgba(255,255,255,.08);
  transition: background var(--transition-fast);
}

.module-nav-item.active .nav-icon {
  background: var(--clr-primary);
}

.module-nav-item .nav-text {
  flex: 1;
}

.nav-text .nav-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: rgba(255,255,255,.85);
  line-height: 1.3;
}

.nav-text .nav-subtitle {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.4);
  margin-top: 1px;
}

.module-nav-item.active .nav-title { color: #fff; }

.nav-status {
  width: 20px; height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .65rem;
  flex-shrink: 0;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.5);
}

.nav-status.done {
  background: var(--clr-accent);
  color: #fff;
}

.nav-status.locked {
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.2);
}

/* Sidebar bottom */
.sidebar-footer {
  padding: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: var(--sp-6);
}

.sidebar-footer p {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.3);
  line-height: 1.5;
}

/* ── Main Content ────────────────────────────────────────────── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--sp-8) var(--sp-8) var(--sp-16);
  min-height: 100%;
  animation: fadeIn .3s ease;
}

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

/* ── View Containers ─────────────────────────────────────────── */
.view { display: none; animation: fadeIn .3s ease; }
.view.active { display: block; }

/* ── Page Header ─────────────────────────────────────────────── */
.page-header {
  margin-bottom: var(--sp-8);
}

.module-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: var(--sp-3);
}

.page-header h1 {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: var(--sp-2);
}

.page-header p {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  max-width: 640px;
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--sp-6);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-sizing: border-box;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.card-icon.blue  { background: #e8f0fe; }
.card-icon.red   { background: #fce8e6; }
.card-icon.green { background: #e6f4ea; }
.card-icon.orange{ background: #fef3e2; }
.card-icon.purple{ background: #f3e8fd; }

.card-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}

.card-subtitle {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body p {
  color: var(--text-secondary);
  margin-bottom: var(--sp-3);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

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

/* Card Grid - Strict Equal Height Columns */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: var(--sp-6);
  align-items: stretch;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: var(--sp-6);
  align-items: stretch;
}

/* ── Key Takeaway Box ────────────────────────────────────────── */
.takeaway-box {
  background: linear-gradient(135deg, var(--clr-primary-light), rgba(26,115,232,.05));
  border: 1px solid rgba(26,115,232,.25);
  border-left: 4px solid var(--clr-primary);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-5);
  margin-top: auto;
  margin-bottom: 0;
}

.takeaway-box .takeaway-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: var(--sp-2);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.takeaway-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.takeaway-box ul li {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
}

.takeaway-box ul li::before {
  content: '✓';
  color: var(--clr-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Alert Box ────────────────────────────────────────────────── */
.alert {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  margin-bottom: var(--sp-4);
}

.alert-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 1px; }

.alert.alert-warning {
  background: var(--clr-warning-light);
  border: 1px solid rgba(249,171,0,.3);
  color: #78580a;
}

.alert.alert-danger {
  background: var(--clr-danger-light);
  border: 1px solid rgba(217,48,37,.3);
  color: #7d2111;
}

.alert.alert-info {
  background: var(--clr-info-light);
  border: 1px solid rgba(2,136,209,.3);
  color: #014d6e;
}

.alert.alert-success {
  background: #e6f4ea;
  border: 1px solid rgba(0,200,83,.3);
  color: #1e4620;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
}

.btn-primary:hover {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  box-shadow: 0 4px 12px rgba(26,115,232,.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-surface-alt);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

.btn-danger {
  background: var(--clr-danger);
  color: #fff;
  border-color: var(--clr-danger);
}

.btn-danger:hover {
  background: #b71c1c;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(217,48,37,.35);
}

.btn-success {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}

.btn-success:hover {
  background: var(--clr-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,200,83,.35);
}

.btn-sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-xs);
}

.btn-lg {
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--fs-base);
}

.btn-block { width: 100%; justify-content: center; }

.btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ── Section Divider ─────────────────────────────────────────── */
.section-divider {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin: var(--sp-8) 0;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.section-divider span {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Tags ────────────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.tag-red    { background: #fce8e6; color: #c5221f; }
.tag-green  { background: #e6f4ea; color: #137333; }
.tag-blue   { background: #e8f0fe; color: #1558d6; }
.tag-orange { background: #fef3e2; color: #b06000; }

/* ══════════════════════════════════════════════════════════
   MODULE 1 – Phishing & Social Engineering
══════════════════════════════════════════════════════════ */

/* Simulated Email Panel */
.email-simulator {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.email-toolbar {
  background: var(--bg-surface-alt);
  border-bottom: 1px solid var(--border-color);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.email-toolbar-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}

.dot-red    { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green  { background: #28c840; }

.email-toolbar-title {
  flex: 1;
  text-align: center;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-muted);
}

.email-header-area {
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--border-color);
}

.email-field {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-2) 0;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--border-color);
}

.email-field:last-child { border-bottom: none; }

.email-field-label {
  font-weight: 700;
  color: var(--text-muted);
  width: 60px;
  flex-shrink: 0;
}

.email-field-value {
  color: var(--text-primary);
  flex: 1;
}

.email-suspicious {
  cursor: pointer;
  border-bottom: 2px dashed var(--clr-warning);
  color: var(--clr-warning);
  font-weight: 600;
  position: relative;
}

.email-suspicious:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: #fff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  white-space: nowrap;
  z-index: 10;
  pointer-events: none;
  animation: fadeIn .15s ease;
}

.email-body {
  padding: var(--sp-6);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.8;
}

.email-body p { margin-bottom: var(--sp-3); }

.phishing-link {
  color: var(--clr-primary);
  text-decoration: underline;
  cursor: pointer;
  font-weight: 500;
}

.phishing-link:hover { color: var(--clr-danger); }

.email-actions {
  padding: var(--sp-4) var(--sp-6);
  background: var(--bg-surface-alt);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* Threat Reveal Panel */
.threat-reveal {
  padding: var(--sp-4);
  border-radius: var(--radius-md);
  margin-top: var(--sp-4);
  display: none;
  animation: slideDown .3s ease;
}

.threat-reveal.show { display: block; }

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

.threat-reveal.danger {
  background: var(--clr-danger-light);
  border: 1px solid rgba(217,48,37,.3);
}

.threat-reveal.success {
  background: #e6f4ea;
  border: 1px solid rgba(0,200,83,.3);
}

/* Spot-the-Threat Checklist */
.spot-checklist {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.spot-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-surface-alt);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  user-select: none;
}

.spot-item:hover {
  border-color: var(--clr-primary);
  background: var(--clr-primary-light);
  color: var(--text-primary);
}

.spot-item.found {
  border-color: var(--clr-accent);
  background: #e6f4ea;
  color: #137333;
}

.spot-item.missed {
  border-color: var(--clr-danger);
  background: var(--clr-danger-light);
  color: #c5221f;
}

.spot-item .spot-icon { font-size: 1rem; }
.spot-item .spot-check { margin-left: auto; font-size: .8rem; }

/* SMS & Vishing Cards */
.sms-bubble {
  background: #e8f5e9;
  border-radius: 18px 18px 4px 18px;
  padding: var(--sp-3) var(--sp-4);
  max-width: 80%;
  font-size: var(--fs-sm);
  margin: var(--sp-2) 0;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.sms-bubble.outgoing {
  background: var(--clr-primary-light);
  border-radius: 18px 18px 18px 4px;
  margin-left: auto;
}

.sms-bubble .sms-sender {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.sms-container {
  background: var(--bg-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  max-width: 360px;
  margin: 0 auto;
}

/* ══════════════════════════════════════════════════════════
   MODULE 2 – Password Hygiene & MFA
══════════════════════════════════════════════════════════ */

.strength-meter {
  margin-top: var(--sp-3);
}

.strength-track {
  height: 6px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 6px;
}

.strength-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width .4s ease, background .4s ease;
  width: 0%;
}

.strength-fill.weak   { background: var(--clr-danger); }
.strength-fill.fair   { background: var(--clr-warning); }
.strength-fill.good   { background: #6ab04c; }
.strength-fill.strong { background: var(--clr-accent); }

.strength-label {
  font-size: var(--fs-xs);
  font-weight: 600;
}

.strength-label.weak   { color: var(--clr-danger); }
.strength-label.fair   { color: var(--clr-warning); }
.strength-label.good   { color: #6ab04c; }
.strength-label.strong { color: var(--clr-accent); }

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  padding-right: 44px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  font-family: var(--font-mono);
  background: var(--bg-surface);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.password-input-wrapper input:focus {
  outline: none;
  border-color: var(--clr-primary);
}

.password-toggle {
  position: absolute;
  right: 10px;
  background: none;
  color: var(--text-muted);
  font-size: .95rem;
  padding: 4px;
}

.password-toggle:hover { color: var(--text-primary); }

/* MFA Steps */
.mfa-flow {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin: var(--sp-4) 0;
}

.mfa-step {
  flex: 1;
  min-width: 130px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-2);
}

.mfa-step-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--clr-primary-light);
  border: 2px solid var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  position: relative;
}

.mfa-step-num {
  position: absolute;
  top: -6px; right: -6px;
  width: 20px; height: 20px;
  background: var(--clr-primary);
  color: #fff;
  border-radius: 50%;
  font-size: .65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mfa-step-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
}

.mfa-arrow {
  align-self: center;
  font-size: 1.2rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════
   MODULE 3 – Data Privacy & Clean Desk
══════════════════════════════════════════════════════════ */

.desk-scene {
  background: linear-gradient(160deg, #f5f0e8, #e8dcc8);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  position: relative;
  min-height: 260px;
  border: 1px solid #d4c5a9;
  overflow: hidden;
}

[data-theme="dark"] .desk-scene {
  background: linear-gradient(160deg, #1e1a13, #2a2015);
  border-color: #3d3020;
}

.desk-item {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: var(--sp-2);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
  user-select: none;
}

.desk-item:hover { background: rgba(0,0,0,.08); transform: scale(1.05); }
.desk-item.violation { animation: shake .4s ease; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%       { transform: translateX(-4px); }
  75%       { transform: translateX(4px); }
}

.desk-item .item-icon { font-size: 2rem; }
.desk-item .item-label { font-size: var(--fs-xs); font-weight: 600; color: var(--text-secondary); }

.desk-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: center;
}

/* PII Redaction Exercise */
.pii-text {
  font-size: var(--fs-sm);
  line-height: 2;
  color: var(--text-secondary);
  padding: var(--sp-4);
  background: var(--bg-surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.pii-highlight {
  background: #fff3cd;
  border-bottom: 2px solid var(--clr-warning);
  cursor: pointer;
  padding: 0 2px;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.pii-highlight:hover { background: #ffc107; color: #fff; }
.pii-highlight.redacted {
  background: var(--text-primary);
  color: var(--text-primary);
  border-color: var(--text-primary);
  border-radius: 2px;
}

/* ══════════════════════════════════════════════════════════
   MODULE 4 – Incident Reporting Sandbox
══════════════════════════════════════════════════════════ */

.inbox-container {
  display: grid;
  grid-template-columns: 240px 1fr;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
  min-height: 500px;
}

.inbox-sidebar {
  background: var(--bg-surface-alt);
  border-right: 1px solid var(--border-color);
  padding: var(--sp-4) 0;
}

.inbox-sidebar-header {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: var(--sp-2);
}

.inbox-folder {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 0;
  transition: all var(--transition-fast);
}

.inbox-folder:hover { background: var(--border-color); }
.inbox-folder.active { background: var(--clr-primary-light); color: var(--clr-primary); font-weight: 600; }

.inbox-badge {
  margin-left: auto;
  background: var(--clr-danger);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
}

.email-list {
  border-right: 1px solid var(--border-color);
}

.email-list-item {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.email-list-item:hover { background: var(--bg-surface-alt); }
.email-list-item.selected { background: var(--clr-primary-light); }
.email-list-item.unread .email-sender { font-weight: 700; }

.email-sender {
  font-size: var(--fs-sm);
  color: var(--text-primary);
}

.email-preview-line {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-time-stamp {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  float: right;
}

/* Email Reader Panel */
.email-reader {
  display: flex;
  flex-direction: column;
  padding: var(--sp-6);
  overflow-y: auto;
}

.email-reader-header {
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border-color);
}

.email-reader-subject {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-3);
}

.email-meta-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.avatar-circle {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.avatar-circle.red    { background: var(--clr-danger); }
.avatar-circle.blue   { background: var(--clr-primary); }
.avatar-circle.green  { background: var(--clr-accent); }
.avatar-circle.orange { background: var(--clr-warning); }

.email-action-bar {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: var(--bg-surface-alt);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
  flex-wrap: wrap;
}

/* Report Result */
.report-result {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-10) var(--sp-6);
  gap: var(--sp-4);
}

.report-result.show { display: flex; }

.result-icon {
  font-size: 4rem;
  animation: bounceIn .5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes bounceIn {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.result-title {
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--text-primary);
}

.result-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  max-width: 400px;
  line-height: 1.7;
}

/* Reporting Steps */
.reporting-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: var(--sp-4) 0;
}

.report-step {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-4);
  position: relative;
}

.report-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: calc(var(--sp-4) + 15px);
  top: 56px;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: 700;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-content .step-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.step-content .step-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

/* ══════════════════════════════════════════════════════════
   MODULE 5 – Quiz / Assessment
══════════════════════════════════════════════════════════ */

.quiz-container {
  max-width: 740px;
  margin: 0 auto;
}

.quiz-progress-bar {
  display: flex;
  gap: var(--sp-2);
  margin-bottom: var(--sp-8);
}

.quiz-dot {
  flex: 1;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--border-color);
  transition: background var(--transition-base);
}

.quiz-dot.answered { background: var(--clr-primary); }
.quiz-dot.correct  { background: var(--clr-accent); }
.quiz-dot.wrong    { background: var(--clr-danger); }

.quiz-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--sp-6);
}

.quiz-number {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-primary);
  margin-bottom: var(--sp-3);
}

.quiz-question {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: var(--sp-6);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-4);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  background: var(--bg-surface);
}

.quiz-option:hover:not(.disabled) {
  border-color: var(--clr-primary);
  background: var(--clr-primary-light);
}

.quiz-option.selected {
  border-color: var(--clr-primary);
  background: var(--clr-primary-light);
}

.quiz-option.correct-answer {
  border-color: var(--clr-accent);
  background: #e6f4ea;
}

.quiz-option.wrong-answer {
  border-color: var(--clr-danger);
  background: var(--clr-danger-light);
}

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

.option-letter {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.quiz-option.selected .option-letter {
  background: var(--clr-primary);
  color: #fff;
}

.quiz-option.correct-answer .option-letter {
  background: var(--clr-accent);
  color: #fff;
}

.quiz-option.wrong-answer .option-letter {
  background: var(--clr-danger);
  color: #fff;
}

.option-text {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  padding-top: 4px;
}

.quiz-explanation {
  padding: var(--sp-4);
  border-radius: var(--radius-md);
  margin-top: var(--sp-4);
  font-size: var(--fs-sm);
  line-height: 1.6;
  display: none;
  animation: slideDown .25s ease;
}

.quiz-explanation.show { display: block; }
.quiz-explanation.correct { background: #e6f4ea; border: 1px solid rgba(0,200,83,.3); color: #1e4620; }
.quiz-explanation.wrong   { background: var(--clr-danger-light); border: 1px solid rgba(217,48,37,.3); color: #7d2111; }

.quiz-explanation strong { display: block; margin-bottom: 4px; font-size: .9rem; }

.quiz-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--sp-4);
}

.quiz-score-counter {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

/* Results Panel */
.results-panel {
  text-align: center;
  padding: var(--sp-10) var(--sp-6);
  max-width: 600px;
  margin: 0 auto;
}

.score-circle {
  width: 160px; height: 160px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-6);
  position: relative;
}

.score-circle.pass {
  background: conic-gradient(var(--clr-accent) var(--score-deg, 0deg), #e6f4ea 0deg);
  box-shadow: 0 0 0 8px #e6f4ea;
}

.score-circle.fail {
  background: conic-gradient(var(--clr-danger) var(--score-deg, 0deg), var(--clr-danger-light) 0deg);
  box-shadow: 0 0 0 8px var(--clr-danger-light);
}

.score-circle-inner {
  width: 130px; height: 130px;
  border-radius: 50%;
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score-value {
  font-size: var(--fs-3xl);
  font-weight: 900;
  line-height: 1;
}

.score-circle.pass .score-value { color: var(--clr-accent-dark); }
.score-circle.fail .score-value { color: var(--clr-danger); }

.score-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.results-title {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}

.results-desc {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  margin-bottom: var(--sp-6);
}

.results-breakdown {
  display: flex;
  justify-content: center;
  gap: var(--sp-8);
  margin-bottom: var(--sp-8);
}

.breakdown-item { text-align: center; }
.breakdown-val {
  font-size: var(--fs-2xl);
  font-weight: 800;
}
.breakdown-val.green { color: var(--clr-accent-dark); }
.breakdown-val.red   { color: var(--clr-danger); }

.breakdown-lbl {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ══════════════════════════════════════════════════════════
   Certificate
══════════════════════════════════════════════════════════ */

.certificate-wrapper {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
  padding: var(--sp-6) 0;
  animation: fadeIn .5s ease;
}

.certificate-wrapper.show { display: flex; }

.certificate {
  width: 100%;
  max-width: 720px;
  background: linear-gradient(160deg, #fff 0%, #f0f4ff 100%);
  border: 2px solid var(--clr-primary);
  border-radius: var(--radius-xl);
  padding: var(--sp-10) var(--sp-12);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .certificate {
  background: linear-gradient(160deg, #1a1e2e 0%, #0d1117 100%);
}

.certificate::before,
.certificate::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  opacity: .05;
}

.certificate::before {
  background: var(--clr-primary);
  top: -60px; left: -60px;
}

.certificate::after {
  background: var(--clr-accent);
  bottom: -60px; right: -60px;
}

.cert-corner {
  position: absolute;
  font-size: 2rem;
  opacity: .15;
}

.cert-corner.tl { top: var(--sp-4); left: var(--sp-4); }
.cert-corner.tr { top: var(--sp-4); right: var(--sp-4); }
.cert-corner.bl { bottom: var(--sp-4); left: var(--sp-4); }
.cert-corner.br { bottom: var(--sp-4); right: var(--sp-4); }

.cert-badge {
  width: 80px; height: 80px;
  margin: 0 auto var(--sp-4);
  background: linear-gradient(135deg, var(--clr-primary), #0d47a1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 24px rgba(26,115,232,.4);
}

.cert-org {
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--clr-primary);
  margin-bottom: var(--sp-4);
}

.cert-headline {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-muted);
  margin-bottom: var(--sp-6);
}

.cert-title {
  font-size: var(--fs-3xl);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: var(--sp-6);
  letter-spacing: -.02em;
}

.cert-name-field {
  display: block;
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--clr-primary);
  border: none;
  border-bottom: 2px solid var(--clr-primary);
  text-align: center;
  background: transparent;
  width: 100%;
  max-width: 360px;
  margin: 0 auto var(--sp-6);
  padding: var(--sp-2);
  font-family: Georgia, serif;
  font-style: italic;
  outline: none;
}

.cert-course-name {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--sp-4);
}

.cert-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-full);
  margin: var(--sp-4) auto;
}

.cert-meta {
  display: flex;
  justify-content: center;
  gap: var(--sp-8);
  margin-top: var(--sp-6);
  flex-wrap: wrap;
}

.cert-meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.cert-meta-label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
}

.cert-meta-value {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.cert-seal {
  margin-top: var(--sp-6);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
}

.cert-actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  justify-content: center;
}

/* ══════════════════════════════════════════════════════════
   User Name Input Modal
══════════════════════════════════════════════════════════ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--sp-4);
  display: none;
}

.modal-overlay.show { display: flex; animation: fadeIn .2s ease; }

.modal-box {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: slideDown .3s ease;
}

.modal-icon { font-size: 2.5rem; margin-bottom: var(--sp-3); text-align: center; }
.modal-title { font-size: var(--fs-xl); font-weight: 800; color: var(--text-primary); margin-bottom: var(--sp-2); text-align: center; }
.modal-desc  { font-size: var(--fs-sm); color: var(--text-secondary); margin-bottom: var(--sp-6); text-align: center; }

.modal-input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  background: var(--bg-surface);
  color: var(--text-primary);
  margin-bottom: var(--sp-4);
  transition: border-color var(--transition-fast);
}

.modal-input:focus {
  outline: none;
  border-color: var(--clr-primary);
}

/* ── Toast Notifications ─────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  z-index: 300;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-primary);
  pointer-events: all;
  animation: slideInRight .3s ease forwards;
  max-width: 340px;
}

.toast.leaving { animation: slideOutRight .3s ease forwards; }

@keyframes slideInRight {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
  from { transform: translateX(0); opacity: 1; }
  to   { transform: translateX(120%); opacity: 0; }
}

.toast-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ── Hamburger (mobile) ─────────────────────────────────────── */
.menu-toggle {
  display: none;
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  border: none;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 85;
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE DESIGN SYSTEM (Multi-Breakpoint)
══════════════════════════════════════════════════════════ */

/* ── Tablet & Small Laptops (max-width: 992px) ── */
@media (max-width: 992px) {
  :root { --sidebar-width: 280px; }

  .sidebar {
    transform: translateX(-100%);
    z-index: 95;
  }

  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.show { display: block; }
  .menu-toggle { display: flex; }

  .main-content {
    margin-left: 0;
    padding: var(--sp-6) var(--sp-4) var(--sp-12);
  }

  .header-progress { display: none; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .inbox-sidebar { display: none; }
}

/* ── Tablet Portrait & Phablets (max-width: 768px) ── */
@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  /* Inbox Simulator: Stacks email list on top, reader below */
  .inbox-container {
    height: auto;
    min-height: 580px;
    flex-direction: column;
  }

  .inbox-main {
    grid-template-columns: 1fr;
    grid-template-rows: 190px 1fr;
    height: auto;
    min-height: 540px;
  }

  .inbox-list-pane {
    border-right: none;
    border-bottom: 2px solid var(--border-color);
    max-height: 190px;
  }

  .inbox-reader-pane {
    height: auto;
    min-height: 350px;
  }

  .email-action-bar {
    gap: var(--sp-2);
  }

  /* Interactive Learning Roadmap */
  .roadmap-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .roadmap-steps {
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
  }

  .roadmap-step {
    min-width: 110px;
    padding: 6px 10px;
    scroll-snap-align: start;
  }

  .roadmap-step-title {
    font-size: 11px;
  }

  /* Module Takeaways */
  .takeaway-box {
    margin-top: var(--sp-4);
  }

  /* Level 2 Labs */
  .ai-terminal {
    font-size: 11px;
    padding: 10px;
  }

  .ai-terminal-header {
    font-size: 10px;
    flex-direction: column;
    gap: 2px;
  }
}

/* ── Standard Mobile (max-width: 640px) ── */
@media (max-width: 640px) {
  /* Page Header */
  .page-header {
    margin-bottom: var(--sp-6);
  }

  .page-header h1 {
    font-size: 1.45rem;
    line-height: 1.25;
  }

  .page-header p {
    font-size: var(--fs-sm);
  }

  /* Cards */
  .card {
    padding: var(--sp-4);
  }

  .card-header {
    gap: var(--sp-3);
  }

  .card-icon {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .card-title {
    font-size: 1rem;
  }

  /* Guide Banner */
  .guide-banner {
    padding: var(--sp-3) var(--sp-4);
    gap: var(--sp-2);
  }

  .guide-banner-icon {
    font-size: 1.2rem;
  }

  /* Standardized Module Nav Footer - Thumb-Friendly Mobile Stack */
  .module-nav-footer {
    flex-direction: column-reverse;
    gap: var(--sp-3);
    padding: var(--sp-4);
    text-align: center;
  }

  .module-nav-footer button,
  .module-nav-footer .btn {
    width: 100%;
    justify-content: center;
    padding: 12px 16px;
    font-size: var(--fs-sm);
  }

  .module-step-counter {
    order: -1;
    margin-bottom: 2px;
  }

  /* MFA Flow */
  .mfa-flow {
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-3);
  }

  .mfa-arrow {
    display: none;
  }

  .mfa-step {
    flex-direction: row;
    text-align: left;
    background: var(--bg-surface-alt);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
  }

  .mfa-step-icon {
    width: 44px;
    height: 44px;
    font-size: 1.15rem;
    flex-shrink: 0;
  }

  /* Phishing Simulator Links */
  .phishing-link {
    word-break: break-all;
    display: block;
    line-height: 1.4;
  }

  .email-actions {
    flex-direction: column;
    gap: 8px;
  }

  .email-actions button {
    width: 100%;
  }

  /* Assessment / Quiz */
  .quiz-card {
    padding: var(--sp-4);
    border-radius: var(--radius-lg);
  }

  .quiz-question {
    font-size: 1rem;
    margin-bottom: var(--sp-4);
  }

  .quiz-option {
    padding: 10px 12px;
    gap: 10px;
  }

  .option-letter {
    width: 24px;
    height: 24px;
    font-size: 11px;
  }

  .quiz-controls {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .quiz-controls .btn {
    width: 100%;
    justify-content: center;
    padding: 12px;
  }

  .quiz-score-counter {
    order: -1;
    text-align: center;
  }

  .level-switcher {
    flex-direction: column;
    width: 100%;
  }

  .results-breakdown {
    gap: var(--sp-4);
  }

  .score-circle {
    width: 130px;
    height: 130px;
  }

  .score-circle-inner {
    width: 104px;
    height: 104px;
  }

  .score-value {
    font-size: 1.8rem;
  }

  /* Certificate */
  .certificate {
    padding: var(--sp-6) var(--sp-4);
    border-radius: var(--radius-lg);
  }

  .cert-corner {
    font-size: 1.2rem;
  }

  .cert-badge {
    width: 56px;
    height: 56px;
    font-size: 1.4rem;
  }

  .cert-org {
    font-size: 10px;
  }

  .cert-title {
    font-size: 1.25rem;
  }

  .cert-name-field {
    font-size: 1.2rem;
    max-width: 100%;
  }

  .cert-meta {
    flex-direction: column;
    gap: 10px;
  }

  .cert-actions {
    flex-direction: column;
    width: 100%;
  }

  .cert-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* Modals */
  .modal-box {
    padding: 20px 16px;
    max-height: 88vh;
    overflow-y: auto;
    border-radius: var(--radius-lg);
  }

  .modal-title {
    font-size: 1.2rem;
  }

  /* Toasts */
  .toast-container {
    left: var(--sp-3);
    right: var(--sp-3);
    bottom: var(--sp-3);
  }

  .toast {
    max-width: 100%;
  }
}

/* ── Small Mobile Screens (max-width: 480px) ── */
@media (max-width: 480px) {
  .app-header {
    padding: 0 10px;
    gap: 6px;
  }

  .logo-mark {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

  .logo-text .org-name {
    display: none;
  }

  .logo-text .course-title {
    font-size: 0.8rem;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .btn-guide {
    padding: 5px 8px;
    font-size: 11px;
  }

  .btn-level2 {
    padding: 5px 8px;
    font-size: 11px;
  }

  .btn-icon {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }

  .desk-scene {
    padding: 10px;
    min-height: 220px;
  }

  .desk-item .item-icon {
    font-size: 1.5rem;
  }

  .desk-item .item-label {
    font-size: 10px;
  }

  .pii-text {
    font-size: var(--fs-xs);
    line-height: 1.8;
  }
}

/* ── Print Styles (Certificate) ─────────────────────────────── */
@media print {
  body * { visibility: hidden; }
  .certificate, .certificate * { visibility: visible; }
  .certificate {
    position: fixed;
    inset: 0;
    max-width: none;
    border-radius: 0;
    box-shadow: none;
    border: none;
    padding: 40px;
  }
}

/* ── Utility Classes ─────────────────────────────────────────── */
.text-center { text-align: center; }
.mt-2  { margin-top: var(--sp-2); }
.mt-4  { margin-top: var(--sp-4); }
.mt-6  { margin-top: var(--sp-6); }
.mt-8  { margin-top: var(--sp-8); }
.mb-4  { margin-bottom: var(--sp-4); }
.mb-6  { margin-bottom: var(--sp-6); }
.mb-8  { margin-bottom: var(--sp-8); }
.flex  { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── Level 2 Button & Badges ─────────────────────────────────── */
.btn-level2 {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 14px;
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: #fff !important;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 2px 10px rgba(124, 58, 237, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-level2:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(124, 58, 237, 0.6);
  filter: brightness(1.1);
  text-decoration: none;
}

.btn-level2.active {
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.4), 0 4px 16px rgba(124, 58, 237, 0.6);
  border-color: #60a5fa;
}

.level2-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(37, 99, 235, 0.15));
  border: 1px solid rgba(124, 58, 237, 0.4);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: #8b5cf6;
}

[data-theme="dark"] .level2-badge {
  color: #c4b5fd;
  border-color: rgba(167, 139, 250, 0.5);
}

.level-switcher {
  display: flex;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
  margin-bottom: var(--sp-6);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.level-switch-btn {
  flex: 1;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.level-switch-btn.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.level-switch-btn.active.lvl2 {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: #fff;
}

/* AI Terminal Simulator & Threat Matrix */
.threat-matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  margin-top: var(--sp-4);
}

.threat-matrix-table th, .threat-matrix-table td {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  text-align: left;
}

.threat-matrix-table th {
  background: var(--bg-surface-alt);
  font-weight: 700;
  color: var(--text-primary);
}

.ai-terminal {
  background: #0d1117;
  color: #e6edf3;
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.6;
  border: 1px solid #30363d;
  margin: var(--sp-4) 0;
  overflow-x: auto;
}

.ai-terminal-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #30363d;
  padding-bottom: 6px;
  margin-bottom: 8px;
  color: #8b949e;
}

.ai-prompt-input {
  width: 100%;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: #e6edf3;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  margin: 8px 0;
  resize: vertical;
}

.audio-waveform-bar {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 38px;
  padding: 4px 10px;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-md);
  margin: 8px 0;
  overflow: hidden;
}

.waveform-slice {
  width: 4px;
  background: #7c3aed;
  border-radius: 2px;
  animation: pulse-wave 1.2s ease-in-out infinite alternate;
}

@keyframes pulse-wave {
  from { height: 6px; opacity: 0.5; }
  to { height: 28px; opacity: 1; }
}

.cert-level2-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 4px 14px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(37, 99, 235, 0.2));
  border: 1px solid #7c3aed;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: #7c3aed;
}

[data-theme="dark"] .cert-level2-badge {
  color: #c4b5fd;
  border-color: #a78bfa;
}

/* ── User-Friendliness & Structural Alignment Enhancements ──── */

/* Guide Button in Header */
.btn-guide {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-guide:hover {
  background: var(--clr-primary-light);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

/* ── Interactive Learning Roadmap (Visual Stepper) ───────────── */
.journey-roadmap {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-6);
  box-shadow: var(--shadow-sm);
}

.roadmap-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.roadmap-steps {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.roadmap-steps::-webkit-scrollbar { display: none; }

.roadmap-step {
  flex: 1;
  min-width: 130px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.roadmap-step:hover {
  background: var(--clr-primary-light);
  border-color: var(--clr-primary);
}

.roadmap-step.active {
  background: var(--clr-primary-light);
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 2px rgba(26,115,232,0.25);
}

.roadmap-step.completed {
  border-color: var(--clr-accent);
  background: rgba(0, 200, 83, 0.08);
}

.roadmap-step-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--border-color);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.roadmap-step.active .roadmap-step-num {
  background: var(--clr-primary);
  color: #fff;
}

.roadmap-step.completed .roadmap-step-num {
  background: var(--clr-accent);
  color: #fff;
}

.roadmap-step-title {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Non-IT Guided Step Banner (What to do on this page) ─────── */
.guide-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  background: linear-gradient(135deg, rgba(26,115,232,0.08), rgba(0,200,83,0.08));
  border: 1px solid rgba(26,115,232,0.25);
  border-left: 5px solid var(--clr-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-6);
}

.guide-banner-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}

.guide-banner-content {
  flex: 1;
}

.guide-banner-content h4 {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.guide-banner-content p {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ── Unified Module Navigation Footer ────────────────────────── */
.module-nav-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-top: var(--sp-8);
  box-shadow: var(--shadow-sm);
}

.module-step-counter {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
}

.step-dots {
  display: flex;
  gap: 6px;
}

.step-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border-color);
}

.step-dot.active {
  background: var(--clr-primary);
  transform: scale(1.2);
}

.step-dot.completed {
  background: var(--clr-accent);
}

/* Equal Height Harmonizers for Interactive Sections */
.email-simulator {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.email-simulator .email-body {
  flex: 1;
}

.spot-threats-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.spot-threats-card .spot-checklist {
  flex: 1;
}

.inbox-container {
  height: 560px;
  display: flex;
}

.inbox-main {
  display: grid;
  grid-template-columns: 260px 1fr;
  flex: 1;
  overflow: hidden;
  height: 100%;
}

.inbox-list-pane {
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  height: 100%;
}

.inbox-reader-pane {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  flex: 1;
}

#inbox-email-list {
  height: 100%;
  overflow-y: auto;
}

#email-reader-content {
  height: 100%;
  overflow-y: auto;
}

/* Help Modal Details */
.help-modal-steps {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin: var(--sp-4) 0;
}

.help-modal-step {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.help-modal-step-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.help-modal-step-text strong {
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.help-modal-step-text p {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  margin: 0;
}

/* ── Multi-Scenario Social Engineering Selector ────────────── */
.scenario-selector-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--sp-6);
}

.scenario-selector-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.scenario-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
}

.scenario-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-surface-alt);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.scenario-tab:hover {
  border-color: var(--clr-primary);
  background: var(--clr-primary-light);
}

.scenario-tab.active {
  border-color: var(--clr-primary);
  background: var(--clr-primary-light);
  box-shadow: 0 0 0 2px rgba(26,115,232,.2);
}

.scenario-tab .scenario-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.scenario-tab .scenario-info {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.scenario-tab .scenario-info strong {
  font-size: var(--fs-sm);
  color: var(--text-primary);
}

.scenario-tab .scenario-info span {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Audio waveform animation toggle */
.waveform-slice {
  animation-play-state: paused;
}

.audio-waveform-bar.playing .waveform-slice {
  animation-play-state: running;
}


/* ══════════════════════════════════════════════════════════
   17. EMBEDDED PRESENTATION DECK (PPT PLAYER)
══════════════════════════════════════════════════════════ */
.ppt-player-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
}

.ppt-player-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  background: var(--bg-surface-alt);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.ppt-toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ppt-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--clr-primary);
  background: var(--clr-primary-light);
  padding: 4px 10px;
  border-radius: 999px;
}

.ppt-slide-counter {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--text-secondary);
}

.ppt-toolbar-center {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  max-width: 340px;
}

.ppt-slide-select {
  width: 100%;
  padding: 6px 10px;
  font-size: var(--fs-xs);
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  font-weight: 600;
}

.ppt-toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ppt-progress-track {
  width: 100%;
  height: 5px;
  background: var(--border-color);
  overflow: hidden;
}

.ppt-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  transition: width 0.3s ease;
}

/* Slide Stage */
.ppt-stage {
  position: relative;
  width: 100%;
  min-height: 480px;
  background: var(--bg-page);
  display: flex;
  align-items: stretch;
  justify-content: center;
  overflow: hidden;
}

.ppt-slide {
  display: none;
  width: 100%;
  min-height: 480px;
  padding: 2.2rem 2.6rem;
  box-sizing: border-box;
  animation: pptFadeIn 0.3s ease;
}

.ppt-slide.active {
  display: flex;
  flex-direction: column;
}

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

/* Fullscreen mode */
.ppt-player-wrapper:fullscreen,
.ppt-player-wrapper.is-fullscreen {
  width: 100vw;
  height: 100vh;
  border-radius: 0;
  border: none;
  z-index: 99999;
}

.ppt-player-wrapper:fullscreen .ppt-stage,
.ppt-player-wrapper.is-fullscreen .ppt-stage {
  flex: 1;
  min-height: calc(100vh - 130px);
}

/* Slide Elements */
.ppt-slide-header {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.8rem;
}

.ppt-slide-category {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-primary);
  margin-bottom: 4px;
}

.ppt-slide-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
}

.ppt-slide-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Slide 1 Cover */
.ppt-slide-cover {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
  color: #fff !important;
  justify-content: center;
  padding: 3.5rem;
}

.ppt-slide-cover .ppt-cover-tag {
  color: #38bdf8;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}

.ppt-slide-cover h2 {
  font-size: 2.2rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 0.6rem;
  line-height: 1.15;
}

.ppt-slide-cover .ppt-cover-subtitle {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 2rem;
}

.ppt-slide-cover .ppt-cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.ppt-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  color: #e2e8f0;
  font-size: var(--fs-xs);
  border: 1px solid rgba(255,255,255,0.15);
}

.ppt-meta-pill.accent {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border-color: rgba(52, 211, 153, 0.4);
}

/* Slide Card Grids */
.ppt-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.ppt-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.ppt-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.ppt-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.ppt-stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
}

.ppt-stat-label {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.ppt-stat-desc {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  line-height: 1.45;
}

.ppt-list-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
}

.ppt-list-row .ppt-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.ppt-list-row strong {
  font-size: var(--fs-sm);
  color: var(--clr-primary);
  margin-right: 6px;
}

.ppt-list-row span {
  font-size: var(--fs-xs);
  color: var(--text-primary);
}

/* Speaker Notes */
.ppt-speaker-notes {
  background: var(--bg-surface-alt);
  border-top: 1px dashed var(--border-color);
  padding: 12px 18px;
  font-size: var(--fs-xs);
  transition: all 0.2s ease;
}

.ppt-notes-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
  color: var(--clr-primary);
  font-weight: 700;
}

.ppt-notes-body {
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Controls Footer */
.ppt-controls-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.ppt-slide-dots {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.ppt-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-color);
  cursor: pointer;
  transition: all 0.2s ease;
}

.ppt-dot.active {
  background: var(--clr-primary);
  width: 24px;
  border-radius: 999px;
}

.ppt-dot:hover:not(.active) {
  background: var(--text-muted);
}

@media (max-width: 900px) {
  .ppt-grid-3, .ppt-grid-2, .ppt-grid-4 {
    grid-template-columns: 1fr;
  }
  .ppt-slide {
    padding: 1.25rem;
    min-height: auto;
  }
  .ppt-stage {
    min-height: 380px;
  }
  .ppt-toolbar-center {
    max-width: 100%;
    order: 3;
    width: 100%;
  }
}