/* ------------------------------------------------------------- */
/* AUTHENTIC EXAM SIMULATOR CONSOLE & PALETTE LAYOUT             */
/* ------------------------------------------------------------- */

.simulator-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 860px) {
  .simulator-container {
    grid-template-columns: 1fr;
  }
}

.question-pane {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.q-header-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.lang-toggle {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border: 1.5px solid rgba(37, 99, 235, 0.4);
  border-radius: 6px;
  cursor: pointer;
  background: rgba(37, 99, 235, 0.05);
  color: var(--brand-blue);
  transition: all 0.15s ease;
}

.lang-toggle:hover {
  background: var(--brand-blue);
  color: #FFFFFF;
  border-color: var(--brand-blue);
}

.question-body {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.1s ease;
  background: var(--bg-card);
  color: var(--text-main);
}

.option-item:hover {
  background: var(--bg-subtle);
  border-color: var(--brand-blue);
}

.option-item.selected {
  background: rgba(37, 99, 235, 0.08);
  border-color: var(--brand-blue);
  color: var(--text-main);
  font-weight: 600;
}

.q-actions-bar, .q-footer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
  margin-top: 2rem;
  width: 100%;
}

.q-actions-left {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.btn-sim-blue-outline {
  border: 1.5px solid #2563EB !important;
  color: #2563EB !important;
  background: rgba(37, 99, 235, 0.04) !important;
  font-weight: 700 !important;
  padding: 0.55rem 1.1rem !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.85rem !important;
}

.btn-sim-blue-outline:hover {
  background: rgba(37, 99, 235, 0.12) !important;
  border-color: #1D4ED8 !important;
  color: #1D4ED8 !important;
  transform: translateY(-1px);
}

/* Flag Error Button States: Unchecked & Checked Visual Differentiation */
.btn-sim-flag-outline {
  border: 1.5px solid #DC2626 !important;
  color: #DC2626 !important;
  background: rgba(220, 38, 38, 0.04) !important;
  font-weight: 700 !important;
  padding: 0.55rem 1.1rem !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.85rem !important;
}

.btn-sim-flag-outline:hover {
  background: rgba(220, 38, 38, 0.12) !important;
  border-color: #B91C1C !important;
  color: #B91C1C !important;
  transform: translateY(-1px);
}

.btn-sim-flag-active {
  border: 1.5px solid #991B1B !important;
  color: #FFFFFF !important;
  background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%) !important;
  font-weight: 800 !important;
  padding: 0.55rem 1.15rem !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.85rem !important;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.45), 0 0 0 3px rgba(220, 38, 38, 0.22) !important;
  animation: flagPulse 0.3s ease-out;
}

@keyframes flagPulse {
  0% { transform: scale(0.96); }
  50% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

.btn-sim-flag-active:hover {
  background: linear-gradient(135deg, #B91C1C 0%, #991B1B 100%) !important;
  border-color: #7F1D1D !important;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.55), 0 0 0 4px rgba(220, 38, 38, 0.3) !important;
  transform: translateY(-1px);
}

/* Bookmark Question Button States: Outline & Active Gold Gradient */
.btn-sim-bookmark-outline {
  border: 1.5px solid #D97706 !important;
  color: #B45309 !important;
  background: rgba(217, 119, 6, 0.05) !important;
  font-weight: 700 !important;
  padding: 0.55rem 1.1rem !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.85rem !important;
}

.btn-sim-bookmark-outline:hover {
  background: rgba(217, 119, 6, 0.14) !important;
  border-color: #B45309 !important;
  color: #92400E !important;
  transform: translateY(-1px);
}

.btn-sim-bookmark-active {
  border: 1.5px solid #B45309 !important;
  color: #FFFFFF !important;
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%) !important;
  font-weight: 800 !important;
  padding: 0.55rem 1.15rem !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.85rem !important;
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.45), 0 0 0 3px rgba(245, 158, 11, 0.25) !important;
  animation: flagPulse 0.3s ease-out;
}

.btn-sim-bookmark-active:hover {
  background: linear-gradient(135deg, #D97706 0%, #B45309 100%) !important;
  border-color: #92400E !important;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.55), 0 0 0 4px rgba(245, 158, 11, 0.35) !important;
  transform: translateY(-1px);
}

/* Candidate Personal Notes / Scribble Pad Button States: Outline & Active Purple Gradient */
.btn-sim-notes-outline {
  border: 1.5px solid #7C3AED !important;
  color: #6D28D9 !important;
  background: rgba(124, 58, 237, 0.05) !important;
  font-weight: 700 !important;
  padding: 0.55rem 1.1rem !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.85rem !important;
}

.btn-sim-notes-outline:hover {
  background: rgba(124, 58, 237, 0.14) !important;
  border-color: #6D28D9 !important;
  color: #5B21B6 !important;
  transform: translateY(-1px);
}

.btn-sim-notes-active {
  border: 1.5px solid #6D28D9 !important;
  color: #FFFFFF !important;
  background: linear-gradient(135deg, #8B5CF6 0%, #6D28D9 100%) !important;
  font-weight: 800 !important;
  padding: 0.55rem 1.15rem !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.85rem !important;
  box-shadow: 0 2px 8px rgba(109, 40, 217, 0.45), 0 0 0 3px rgba(139, 92, 246, 0.25) !important;
  animation: flagPulse 0.3s ease-out;
}

.btn-sim-notes-active:hover {
  background: linear-gradient(135deg, #7C3AED 0%, #5B21B6 100%) !important;
  border-color: #4C1D95 !important;
  box-shadow: 0 4px 12px rgba(109, 40, 217, 0.55), 0 0 0 4px rgba(139, 92, 246, 0.35) !important;
  transform: translateY(-1px);
}

/* Quick Mnemonic Chips */
.mnemonic-chip {
  background: var(--bg-card, #FFFFFF);
  border: 1px solid var(--border-color, #CBD5E1);
  color: var(--text-main, #0F172A);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mnemonic-chip:hover {
  border-color: #7C3AED;
  color: #6D28D9;
  background: rgba(124, 58, 237, 0.05);
}

.mnemonic-chip.active {
  background: #6D28D9;
  border-color: #6D28D9;
  color: #FFFFFF;
  box-shadow: 0 1px 4px rgba(109, 40, 217, 0.3);
}

.btn-sim-blue-primary {
  background: #2563EB !important;
  color: #FFFFFF !important;
  border: 1.5px solid #2563EB !important;
  font-weight: 700 !important;
  padding: 0.55rem 1.4rem !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.85rem !important;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25) !important;
}

.btn-sim-blue-primary:hover {
  background: #1D4ED8 !important;
  border-color: #1D4ED8 !important;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35) !important;
  transform: translateY(-1px);
}

/* Palette Sidebar */
.palette-pane {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
}

.timer-card {
  background: #0F172A;
  border: 1px solid var(--border-color);
  color: #FFFFFF;
  padding: 0.75rem;
  border-radius: 6px;
  text-align: center;
  font-weight: 700;
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
  margin-bottom: 1rem;
}

.palette-grid, .q-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.45rem;
  margin-bottom: 1.25rem;
  max-height: 270px;
  overflow-y: auto;
  padding: 4px;
}

.palette-btn {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid #CBD5E1;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F1F5F9;
  color: #334155;
  transition: all 0.15s ease;
}

.palette-btn.not-visited {
  background: #F1F5F9 !important;
  border-color: #CBD5E1 !important;
  color: #475569 !important;
}

.palette-btn.active {
  outline: 2.5px solid #2563EB !important;
  outline-offset: 1px;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
  font-weight: 800;
}

.palette-btn.answered {
  background: #16A34A !important;
  color: #FFFFFF !important;
  border-color: #16A34A !important;
}

.palette-btn.not-answered {
  background: #DC2626 !important;
  color: #FFFFFF !important;
  border-color: #DC2626 !important;
}

.palette-btn.marked-review {
  background: #7C3AED !important;
  color: #FFFFFF !important;
  border-color: #7C3AED !important;
}

/* Palette button with error flagged badge */
.palette-btn.has-flagged-error {
  position: relative !important;
  box-shadow: 0 0 0 2px #DC2626 !important;
}

.palette-btn.has-flagged-error::after {
  content: '🚩';
  position: absolute;
  top: -6px;
  right: -5px;
  font-size: 10px;
  line-height: 1;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.45));
}

/* Palette button with candidate bookmark badge */
.palette-btn.has-bookmark {
  position: relative !important;
  border-top-left-radius: 2px !important;
}

.palette-btn.has-bookmark::before {
  content: '🔖';
  position: absolute;
  top: -6px;
  left: -5px;
  font-size: 10px;
  line-height: 1;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.45));
}

.palette-btn.has-bookmark:not(.has-flagged-error) {
  box-shadow: 0 0 0 1.5px #D97706 !important;
}

.palette-btn.has-bookmark.has-flagged-error {
  box-shadow: 0 0 0 2px #DC2626, 0 0 0 3.5px rgba(217, 119, 6, 0.4) !important;
}

.palette-legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 2px;
}

/* ============================================================= */
/* OFFLINE MOCK DOWNLOAD & PWA ZERO-INTERNET EXAM MODE STYLES     */
/* ============================================================= */

#offline-network-banner {
  transition: all 0.3s ease-in-out;
  animation: slideDownBanner 0.3s ease-out;
}

@keyframes slideDownBanner {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.btn-offline-download {
  background: var(--bg-card, #FFFFFF);
  border: 1.5px solid var(--border-color, #CBD5E1);
  color: var(--text-muted, #475569);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.btn-offline-download:hover {
  border-color: #10B981;
  color: #065F46;
  background: rgba(16, 185, 129, 0.08);
}

.btn-offline-ready {
  background: rgba(16, 185, 129, 0.12);
  border: 1.5px solid #10B981;
  color: #065F46;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.btn-offline-ready:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #EF4444;
  color: #DC2626;
}

.offline-ready-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}