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

:root {
  /* Theme Colors - Updated by JS */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-soft: rgba(99, 102, 241, 0.1);
  
  /* Other colors */
  --secondary: #475569; --secondary-hover: #334155;
  --success: #22c55e; --success-soft: rgba(34, 197, 94, 0.1);
  --warning: #f59e0b; --warning-soft: rgba(245, 158, 11, 0.1);
  --danger: #ef4444; --danger-soft: rgba(239, 68, 68, 0.1);
  
  /* Backgrounds */
  --bg: #f8fafc; --bg-secondary: #f1f5f9; --bg-tertiary: #e2e8f0; --card-bg: #ffffff;
  
  /* Text */
  --text: #1e293b; --text-secondary: #475569; --text-muted: #64748b; --text-inverse: #ffffff;
  --label-color: #6366f1;
  
  /* Borders & Shadows */
  --border: #e2e8f0; --border-hover: #cbd5e1;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 0 3px rgba(99, 102, 241, 0.15);
  
  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  
  /* Radius */
  --radius: 12px; --radius-sm: 8px; --radius-lg: 16px; --radius-full: 9999px;
  
  /* Transitions */
  --transition: all 0.2s ease;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark-mode {
  --bg: #0f172a; --bg-secondary: #1e293b; --bg-tertiary: #334155; --card-bg: #1e293b;
  --text: #f1f5f9; --text-secondary: #cbd5e1; --text-muted: #94a3b8;
  --border: #334155; --border-hover: #475569;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 0 3px rgba(99, 102, 241, 0.3);
  --label-color: #cbd5e1;
}

/* ===== BASE ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden !important; max-width: 100vw !important; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.7;
  min-height: 100vh; display: flex; flex-direction: column;
}
.hidden { display: none !important; }

/* ===== LAYOUT ===== */
#appContainer {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-6);
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-6);
  flex: 1;
  /* Ensure grid items align to start so sticky works */
  align-items: start; 
}

/* ===== SIDEBAR - STICKY ===== */
#left-col {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  
  /* Sticky Magic */
  position: -webkit-sticky; /* Safari */
  position: sticky;
  top: var(--space-6); /* Distance from top when sticking */
  
  /* Ensure it doesn't grow taller than the screen */
  height: fit-content;
  max-height: calc(100vh - 3rem);
  
  /* Allow sidebar to scroll internally if content is too long */
  overflow-y: auto;
}

#right-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

#upper-right-col {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  overflow: visible !important;
}

#right-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: stretch;
  width: 100%;
}

/* ===== SIDEBAR HEADER ===== */
.sidebar-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}
.sidebar-header h1 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.subject-subtitle {
  margin: var(--space-1) 0 0 0;
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
  min-height: 1.2em;
}
.subject-subtitle:empty { display: none; }

/* ===== QB SELECTOR ===== */
.qb-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
  margin-bottom: var(--space-4);
  position: relative;
}
.qb-selector:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}
/* Tooltip removed as requested */

/* ===== ANALYTICS ===== */
.analytics-section { margin-bottom: var(--space-4); }
.analytics-section h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text);
}
.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}
.analytics-card {
  background: var(--bg-secondary);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.analytics-card:hover {
  border-color: var(--primary);
}
.analytics-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
}
.analytics-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== PROGRESS BAR ===== */
.progress-section {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text);
}
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #60a5fa);
  border-radius: var(--radius-full);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.progress-fill::after {
  content: attr(data-percent);
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-inverse);
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}
.topic-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-4) 0;
}

/* ===== TOOLBAR ===== */
.toolbar {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  align-items: center;
  overflow: visible !important;
}
.timer-settings {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}
.timer-settings label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.timer-settings input {
  width: 55px;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.85rem;
  text-align: center;
  transition: var(--transition);
}
.timer-settings input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

/* ===== ACCOUNT DROPDOWN ===== */
.account-wrapper {
  position: relative !important;
  z-index: 1000 !important;
  display: inline-block;
}

.logout-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3);
  min-width: 220px;
  z-index: 9999;
  margin-top: var(--space-2);
  animation: slideDown 0.2s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
.logout-dropdown.hidden { display: none !important; }

/* Theme Picker */
.theme-picker {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-2);
}
.theme-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}
.theme-options {
  display: flex;
  gap: var(--space-2);
}
.theme-option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  width: 36px;
  height: 36px;
}
.theme-option:hover {
  border-color: var(--primary);
  transform: scale(1.1);
}
.theme-option.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.theme-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: block;
}
.theme-option[data-theme="purple"] .theme-dot { background: #6366f1; }
.theme-option[data-theme="blue"] .theme-dot { background: #3b82f6; }
.theme-option[data-theme="green"] .theme-dot { background: #22c55e; }
.theme-option[data-theme="orange"] .theme-dot { background: #f97316; }
.theme-option[data-theme="gray"] .theme-dot { background: #475569; }

.dropdown-item {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: none;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.dropdown-item:hover {
  background: var(--bg-secondary);
}
.dropdown-item:last-child {
  color: var(--danger);
}
.dropdown-item:last-child:hover {
  background: var(--danger-soft);
}

/* ===== BUTTONS ===== */
.btn-primary, .btn-secondary, .btn-danger, .btn-sm {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: var(--text-inverse);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--border);
  transform: translateY(-1px);
}
.btn-secondary.user-logged-in {
  background: var(--primary);
  color: var(--text-inverse);
  border: none;
}
.btn-danger {
  background: var(--danger);
  color: var(--text-inverse);
}
.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
}
.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: 0.85rem;
}

.btn-timer-play {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}
.btn-timer-play:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
  transform: scale(1.1);
}

/* ===== FILTERS ===== */
.selectables {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  width: 100%;
}
.selectables label {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  flex: 1;
  min-width: 120px;
}
/* Narrow Paper/Level/Status selects */
.selectables label:nth-child(1),
.selectables label:nth-child(2),
.selectables label:nth-child(3) {
  flex: 0 0 auto;
  min-width: 90px;
  max-width: 100px;
}
.selectables select {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  min-width: 120px;
  cursor: pointer;
  transition: var(--transition);
}
.selectables label:nth-child(1) select,
.selectables label:nth-child(2) select,
.selectables label:nth-child(3) select {
  min-width: 80px;
  max-width: 90px;
  padding: var(--space-1) var(--space-2);
  font-size: 0.85rem;
}
.selectables select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}
#status-select {
  border-left: 3px solid var(--primary);
}
#status-select option[value="done"] { color: var(--success); }
#status-select option[value="pending"] { color: var(--secondary); }

.subtopic-filter {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 2;
  min-width: 200px;
}
.subtopic-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
}
#subtopic-select[multiple] {
  height: auto;
  min-height: 80px;
  padding: var(--space-1) 0;
  cursor: pointer;
  flex: 1;
  width: 100%;
}
#subtopic-select[multiple] option {
  padding: var(--space-1) var(--space-2);
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  margin: var(--space-1) 0;
}
#subtopic-select[multiple] option:hover { background: var(--bg-secondary); }
#subtopic-select[multiple] option:checked {
  background: var(--primary);
  color: var(--text-inverse);
}
.selectables label small.text-muted {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* Topic List */
#topic-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-height: 300px;
  overflow-y: auto;
  padding-right: var(--space-1);
}
.topic-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
  border: 1px solid transparent;
}
.topic-label:hover {
  background: var(--bg-secondary);
  border-color: var(--border);
}
.topic-label input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 { color: var(--text); letter-spacing: -0.02em; }
h1 { font-size: 1.4rem; font-weight: 700; }
h2 { font-size: 1.2rem; font-weight: 600; }
h3 { font-size: 1.05rem; font-weight: 600; margin: 0 0 var(--space-2) 0; }

details { margin: var(--space-2) 0; }
summary {
  cursor: pointer;
  font-weight: 500;
  padding: var(--space-1) 0;
  color: var(--text);
  font-size: 0.95rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
summary::-webkit-details-marker { display: none; }
summary::before {
  content: '▸';
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}
details[open] summary::before { transform: rotate(90deg); }
summary:hover { color: var(--primary); }
details > *:not(summary) {
  margin-left: var(--space-4);
  margin-top: var(--space-2);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.meta-details { margin: var(--space-2) 0; font-size: 0.85rem; }
.meta-details summary { padding: 0.2rem 0; color: var(--text-muted); font-weight: 500; }
.meta-details summary:hover { color: var(--primary); }
.meta-details p {
  margin: var(--space-2) 0 0 var(--space-4);
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ===== QUESTION CARDS ===== */
.question-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  cursor: pointer;
  width: 100%;
  max-width: 100%;
}
.question-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.question-card.is-done {
  opacity: 0.95;
  border-left: 4px solid var(--success);
}
.question-card.is-done .question-content {
  max-height: 0;
  overflow: hidden;
  padding: 0;
  margin: 0;
  opacity: 0;
}

.question-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
  flex-wrap: wrap;
  position: relative;
  overflow: visible !important;
}
.question-header h3 {
  flex: 1;
  margin: 0;
  min-width: 200px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: help;
  word-break: break-word;
  position: relative;
}
.question-header h3:hover { color: var(--primary); }
/* Tooltip disabled */

.collapse-indicator {
  font-size: 0.85rem;
  color: var(--text-muted);
  min-width: 130px;
  text-align: right;
}

.done-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.done-checkbox {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  font-weight: 500;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}
.done-checkbox:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}
.cb-input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--success);
  cursor: pointer;
}

/* ===== QUESTION CONTENT - FIX LINES & LABELS ===== */
.question-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  margin: var(--space-2) 0;
  transition: var(--transition-smooth);
  display: block !important;
  white-space: normal !important;
  text-align: left !important;
  width: 100%;
}
.question-content.collapsed {
  max-height: 0;
  opacity: 0;
  padding: 0;
  margin: 0;
}
.question-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: var(--space-4) auto;
  display: block !important;
  box-shadow: var(--shadow);
}

/* Force ALL children to be block elements to ensure new lines */
.question-content > div,
.question-content > p,
.question-content > span,
.question-content > ul,
.question-content > ol,
.question-content > table {
  display: block !important;
  width: 100% !important;
  clear: both !important;
  margin: 0.5rem 0 !important;
}

/* Force line breaks */
.question-content br {
  display: block !important;
  content: "" !important;
  margin: 0.3rem 0 !important;
  height: 1rem !important;
}

/* Specific handling for .question divs (from your snippet) */
.question-content div.question {
  display: flex !important;
  flex-direction: column !important;
  flex-wrap: wrap !important;
  align-items: flex-start !important;
  gap: 0.5rem !important;
  margin: 0.5rem 0 !important;
  padding: 0.5rem 1rem !important;
  width: 100% !important;
  border-left: 1px solid var(--border) !important;
}

/* Move label to top using order */
.question-content div.question .question_part_label {
  order: -1 !important;
  font-weight: 600 !important;
  margin-right: 0.5rem !important;
  min-width: 2.5rem !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
  color: var(--label-color) !important;
}

/* Marks at end */
.question-content div.question .marks {
  order: 999 !important;
  margin-left: auto !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
  background: var(--bg-secondary) !important;
  padding: 0.2rem 0.5rem !important;
  border-radius: var(--radius-sm) !important;
  font-size: 0.85rem !important;
  color: var(--text-secondary) !important;
}

/* Ensure paragraphs inside question divs are block */
.question-content div.question p {
  display: block !important;
  margin: 0.3rem 0 !important;
  line-height: 1.7 !important;
  width: 100% !important;
}

/* ===== DARK MODE TEXT FIXES ===== */
.dark-mode .question-content,
.dark-mode .question-content p,
.dark-mode .question-content div,
.dark-mode .question-content span,
.dark-mode .question-content strong,
.dark-mode .question-content b,
.dark-mode .question-content li {
  color: var(--text) !important;
  background: transparent !important;
}
.dark-mode .question-content div.specification,
.dark-mode .question-content div.question {
  background: var(--bg-tertiary) !important;
  color: var(--text) !important;
  border-left-color: var(--primary) !important;
}
.dark-mode .question-content img {
  background: var(--bg-secondary) !important;
}
.dark-mode #markscheme-box,
.dark-mode #report-box {
  color: var(--text) !important;
  background: var(--card-bg) !important;
}
.dark-mode #markscheme-box p,
.dark-mode #report-box p,
.dark-mode #markscheme-box span,
.dark-mode #report-box span {
  color: var(--text) !important;
  background: transparent !important;
}
/* Override inline white backgrounds */
.dark-mode [style*="background:#fff"],
.dark-mode [style*="background: #fff"],
.dark-mode [style*="background:white"],
.dark-mode [style*="background: white"],
.dark-mode [style*="background:#ffffff"],
.dark-mode [style*="background: #ffffff"] {
  background: var(--bg-tertiary) !important;
  color: var(--text) !important;
}
.dark-mode [style*="color:#000"],
.dark-mode [style*="color: #000"],
.dark-mode [style*="color:black"],
.dark-mode [style*="color: black"] {
  color: var(--text) !important;
}

/* ===== BUTTON CONTAINER ===== */
.btn-container {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--border);
}

/* ===== TIMER UI ===== */
.timer-ui {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-top: var(--space-2);
  max-width: 100%;
}
.timer-display {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 1.1rem;
  font-weight: 600;
}
.timer-time { color: var(--text); }
.timer-target { color: var(--text-muted); font-size: 1rem; }
.timer-status {
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.timer-status.timer-ok { color: var(--success); background: var(--success-soft); }
.timer-status.timer-warning { color: var(--warning); background: var(--warning-soft); }
.timer-status.timer-over { color: var(--danger); background: var(--danger-soft); }
.timer-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.timer-marks {
  width: 50px;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  text-align: center;
  font-family: 'SF Mono', monospace;
}
.timer-marks:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-6);
}
.modal-overlay.hidden { display: none; }
.modal-content {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 650px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalSlideIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-content.modal-large { max-width: 800px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.2rem; font-weight: 600; }
.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text);
}
.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}
.modal-body.modal-scrollable {
  max-height: 65vh;
  overflow-y: auto;
}
#markscheme .modal-content, #report .modal-content { max-width: 750px; }
.modal-content-body {
  line-height: 1.8;
  font-size: 1rem;
  color: var(--text-secondary);
}
.modal-content-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: var(--space-3) auto;
  display: block;
  box-shadow: var(--shadow);
}

/* QB Modal */
.qb-list { display: flex; flex-direction: column; gap: var(--space-2); }
.qb-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}
.qb-btn:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
  transform: translateX(4px);
}
.dark-mode .qb-btn, .dark-mode .qb-btn span { color: var(--text) !important; }

/* Help Modal */
.help-content h3 {
  font-size: 1.1rem;
  margin: var(--space-4) 0 var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}
.help-content p { margin: 0 0 var(--space-2); color: var(--text-secondary); }
.help-content a { color: var(--primary); text-decoration: none; }
.help-content a:hover { text-decoration: underline; }

/* Auth Modal */
.auth-modal { max-width: 420px; }
#authForm { display: flex; flex-direction: column; gap: var(--space-3); }
.form-group { display: flex; flex-direction: column; gap: var(--space-1); }
.form-group label { font-size: 0.9rem; font-weight: 500; color: var(--text); }
#authForm input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  transition: var(--transition);
}
#authForm input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}
.auth-buttons { display: flex; gap: var(--space-3); margin-top: var(--space-2); }
.auth-buttons button { flex: 1; }
.auth-message {
  font-size: 0.9rem;
  min-height: 1.5rem;
  margin-top: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}
.auth-message.success { color: var(--success); background: var(--success-soft); }
.auth-message.error { color: var(--danger); background: var(--danger-soft); }
#userSection { text-align: center; }
.user-email {
  font-weight: 500;
  margin: var(--space-3) 0;
  word-break: break-all;
  color: var(--text-secondary);
}

/* Account Settings Modal */
.account-info { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-5); }
.account-actions { display: flex; flex-direction: column; gap: var(--space-2); }
.account-actions button { width: 100%; }

/* ===== FOOTER ===== */
.app-footer {
  text-align: center;
  padding: var(--space-6);
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.app-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}
.app-footer a:hover { text-decoration: underline; }

/* ===== LOADING BANNER ===== */
.loading-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--text);
  color: var(--text-inverse);
  text-align: center;
  padding: var(--space-3);
  z-index: 9999;
  font-weight: 500;
  font-size: 0.9rem;
}
.loading-banner.hidden { display: none; }
.dark-mode .loading-banner {
  background: var(--text) !important;
  color: #0f172a !important;
  font-weight: 600 !important;
}

/* ===== SCROLLBARS ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(100, 116, 139, 0.3);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.5);
}
.dark-mode ::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, 0.3); }
.dark-mode ::-webkit-scrollbar-thumb:hover { background: rgba(99, 102, 241, 0.6); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  #appContainer {
    grid-template-columns: 1fr;
    padding: var(--space-4);
    gap: var(--space-4);
  }
  #left-col {
    position: static;
    max-height: 400px;
    padding: var(--space-4);
  }
  #right-col {
    align-items: stretch;
  }
  .timer-settings {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }
}
@media (max-width: 640px) {
  #appContainer { padding: var(--space-3); }
  .toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }
  .selectables {
    flex-direction: column;
    gap: var(--space-3);
  }
  .subtopic-controls {
    flex-direction: column;
    align-items: stretch;
  }
  #subtopic-select[multiple] {
    max-width: 100%;
    min-height: 100px;
  }
  .btn-container { flex-direction: column; }
  .btn-container button {
    width: 100%;
    justify-content: center;
  }
  .question-card { padding: var(--space-5); }
  .question-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .question-header h3 { min-width: 100%; font-size: 1rem; }
  .collapse-indicator {
    text-align: left;
    min-width: auto;
    font-size: 0.8rem;
  }
  .modal-content {
    max-width: 95vw;
    max-height: 90vh;
  }
  .modal-header, .modal-body { padding: var(--space-4); }
  .timer-ui {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
  .timer-display { flex: 1; min-width: 120px; font-size: 1rem; }
  .timer-controls { gap: var(--space-1); }
}

/* ===== FIX MARKSCHEME/REPORT LABEL POSITION - AGGRESSIVE ===== */

/* Force all .question divs in markscheme to use flexbox */
#markscheme-box div.question,
#report-box div.question,
#markscheme-box .question,
#report-box .question {
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: flex-start !important;
  gap: 0.5rem !important;
  margin: 0.5rem 0 !important;
  padding: 0.5rem 1rem !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

/* Force question_part_label to appear FIRST using order */
#markscheme-box .question_part_label,
#report-box .question_part_label {
  order: -1 !important;
  font-weight: 600 !important;
  margin-right: 0.5rem !important;
  min-width: 2.5rem !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
  color: var(--label-color) !important;
  float: none !important;
}

/* Force marks to appear LAST */
#markscheme-box .marks,
#report-box .marks {
  order: 999 !important;
  margin-left: auto !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
}

/* Force paragraphs to be in the middle */
#markscheme-box div.question > p,
#report-box div.question > p,
#markscheme-box .question > p,
#report-box .question > p {
  order: 0 !important;
  margin: 0 !important;
  flex: 1 1 auto !important;
  min-width: 0 !important;
  display: block !important;
}

/* Also handle direct children */
#markscheme-box > div,
#report-box > div {
  display: block !important;
}

#markscheme-box > div.question,
#report-box > div.question {
  display: flex !important;
  flex-wrap: wrap !important;
}

/* Ensure no inline styles override */
#markscheme-box [style*="padding-left"],
#report-box [style*="padding-left"] {
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}

/* Dark mode text color fix for markscheme */
.dark-mode #markscheme-box,
.dark-mode #report-box {
  color: var(--text) !important;
  background: var(--card-bg) !important;
}

.dark-mode #markscheme-box p,
.dark-mode #report-box p,
.dark-mode #markscheme-box span,
.dark-mode #report-box span,
.dark-mode #markscheme-box div,
.dark-mode #report-box div {
  color: var(--text) !important;
  background: transparent !important;
}

.dark-mode #markscheme-box .question_part_label,
.dark-mode #report-box .question_part_label {
  color: var(--label-color) !important;
}

rewrite the code so the design looks less AI and more human, minimalistic, flat etc.