/* CSS Design System - SynoQuiz Premium */
:root {
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Color Palette */
  --bg-dark: #0f172a;
  --bg-dark-secondary: #1e293b;
  --glass-bg: rgba(30, 41, 59, 0.45);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-glow: rgba(99, 102, 241, 0.15);
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.4);
  
  --accent: #06b6d4;
  --accent-hover: #0891b2;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --success-border: rgba(16, 185, 129, 0.3);
  
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --danger-border: rgba(239, 68, 68, 0.3);
  
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --warning-border: rgba(245, 158, 11, 0.3);

  --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 10% 20%, rgba(99, 102, 241, 0.1) 0px, transparent 50%),
    radial-gradient(at 90% 80%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Glassmorphism utility */
.glassmorphic {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

/* Header styling */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.header-logo h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.5px;
}

.header-logo h1 span {
  color: var(--accent);
}

.icon-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}

.icon-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
  transform: rotate(30deg);
}

/* Screens layout */
.main-container {
  flex: 1;
  padding: 40px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.screen {
  display: none;
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Selector Screen Styling */
.hero-section {
  text-align: center;
  margin-bottom: 40px;
}

.hero-section h2 {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 10px;
  background: linear-gradient(to right, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-section p {
  color: var(--text-secondary);
  font-size: 16px;
}

.selector-card {
  padding: 30px;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
}

.select-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 30px;
}

.select-group label {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
}

.select-group select {
  background: var(--bg-dark-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.3s ease;
}

.select-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--glass-glow);
}

.shifts-container h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 10px;
}

.grid-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 8px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.placeholder-text {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-muted);
  padding: 40px 0;
  font-style: italic;
}

/* Paper selection item */
.paper-card-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.paper-card-item:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.paper-card-item h4 {
  font-size: 14px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.paper-card-item .item-meta {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

/* Spinner Loader */
.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
  gap: 12px;
}
.spinner {
  border: 3px solid var(--glass-border);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.hidden {
  display: none !important;
}

/* Buttons System */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
}

.btn.primary {
  background: var(--primary);
  color: white;
}
.btn.primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 15px var(--primary-glow);
}

.btn.secondary {
  background: var(--bg-dark-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}
.btn.secondary:hover {
  background: var(--glass-border);
}

.btn.danger {
  background: var(--danger);
  color: white;
}
.btn.danger:hover {
  background: #dc2626;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

.btn.warning.outline {
  background: transparent;
  border: 1px solid var(--warning);
  color: var(--warning);
}
.btn.warning.outline:hover {
  background: var(--warning-bg);
}

.btn.full-width {
  width: 100%;
}

/* Active Exam Layout */
.exam-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  margin-bottom: 24px;
}

.exam-title-block h2 {
  font-family: var(--font-heading);
  font-size: 18px;
  margin-bottom: 4px;
}

.badge {
  background: var(--glass-border);
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
}

.exam-timer-block {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

#exam-timer {
  font-family: monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.exam-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  align-items: start;
}

.question-column {
  padding: 30px;
  min-height: 500px;
  display: flex;
  flex-direction: column;
}

.question-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 15px;
}

.q-number-badge {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.category-badge {
  background: var(--glass-border);
  border: 1px solid var(--glass-border);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  font-weight: 600;
}

.question-body {
  flex: 1;
  margin-bottom: 30px;
}

.question-content {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 24px;
  white-space: pre-wrap;
}

.options-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Option Cards styling */
.option-card {
  background: var(--bg-dark-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.2s ease;
}

.option-card:hover {
  background: rgba(99, 102, 241, 0.05);
  border-color: var(--primary-glow);
}

.option-card.selected {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.1);
}

.option-marker {
  width: 28px;
  height: 28px;
  background: var(--glass-border);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.option-card.selected .option-marker {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.option-text {
  font-size: 14px;
  flex: 1;
}

.question-footer {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--glass-border);
  padding-top: 20px;
}

/* Palette Sidebar Styling */
.palette-column {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.palette-column h3 {
  font-family: var(--font-heading);
  font-size: 16px;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  max-height: 350px;
  overflow-y: auto;
}

.palette-btn {
  background: var(--bg-dark-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.palette-btn:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}

.palette-btn.active {
  border-color: var(--primary);
  box-shadow: 0 0 5px var(--primary-glow);
}

.palette-btn.answered {
  background: var(--success-bg);
  border-color: var(--success);
  color: var(--success);
}

.palette-btn.flagged {
  background: var(--warning-bg);
  border-color: var(--warning);
  color: var(--warning);
}

.palette-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--glass-border);
  padding-top: 15px;
  font-size: 12px;
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--glass-border);
  border: 1px solid var(--glass-border);
}

.legend-dot.answered {
  background: var(--success);
  border-color: var(--success);
}

.legend-dot.flagged {
  background: var(--warning);
  border-color: var(--warning);
}

/* Results Display Styling */
.results-dashboard {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  margin-bottom: 24px;
  align-items: stretch;
}

.score-card {
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.score-circle {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 8px solid var(--primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

#result-score {
  font-size: 36px;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--text-primary);
}

.score-denominator {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

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

.stat-box {
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.stat-val {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
}

.stat-lbl {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.stat-box.correct {
  border-color: var(--success-border);
  background: var(--success-bg);
}
.stat-box.correct .stat-val { color: var(--success); }

.stat-box.wrong {
  border-color: var(--danger-border);
  background: var(--danger-bg);
}
.stat-box.wrong .stat-val { color: var(--danger); }

.stat-box.skipped {
  border-color: var(--warning-border);
  background: var(--warning-bg);
}
.stat-box.skipped .stat-val { color: var(--warning); }

.stat-box.accuracy {
  border-color: rgba(6, 182, 212, 0.3);
  background: rgba(6, 182, 212, 0.15);
}
.stat-box.accuracy .stat-val { color: var(--accent); }

/* Review Panel styling */
.review-section {
  padding: 30px;
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 15px;
  margin-bottom: 24px;
}

.review-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.review-node {
  background: var(--bg-dark-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.review-node.correct {
  border-left: 4px solid var(--success);
}
.review-node.wrong {
  border-left: 4px solid var(--danger);
}
.review-node.unattempted {
  border-left: 4px solid var(--warning);
}

.review-node-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.status-badge {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 11px;
}
.review-node.correct .status-badge { color: var(--success); }
.review-node.wrong .status-badge { color: var(--danger); }
.review-node.unattempted .status-badge { color: var(--warning); }

.review-node-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0;
}

.review-option {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  background: var(--bg-dark);
  border: 1px solid var(--glass-border);
}

.review-option.correct-opt {
  background: var(--success-bg);
  border-color: var(--success);
  color: var(--success);
}

.review-option.wrong-opt {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger);
}

.explanation-box {
  background: rgba(99, 102, 241, 0.05);
  border: 1px dashed var(--primary-glow);
  padding: 14px;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.explanation-box strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}

/* Settings Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: 90%;
  max-width: 500px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-content h2 {
  font-family: var(--font-heading);
  font-size: 22px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
}

.form-group input {
  background: var(--bg-dark);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

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

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ==========================================================
   ADMIN LOGIN CARD STYLING
   ========================================================== */
.login-card {
  max-width: 450px;
  width: 95%;
  margin: 80px auto;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.login-header {
  text-align: center;
}

.login-header .logo-icon {
  margin: 0 auto 16px;
}

.login-header h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
}

.login-header h2 span {
  color: var(--accent);
}

.login-header p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ==========================================================
   DUAL-BUTTON CMS PAPER CARDS
   ========================================================== */
.paper-card-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}

.card-actions {
  display: flex;
  gap: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
}

.btn.sm-btn {
  padding: 8px 12px;
  font-size: 12px;
  border-radius: 6px;
  flex: 1;
}

.btn.warning {
  background: var(--warning);
  color: #0f172a;
}
.btn.warning:hover {
  background: #f59e0b;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
}

/* ==========================================================
   PREVIEW-FIRST QUESTION CARD LAYOUT
   ========================================================== */
.preview-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.preview-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.preview-cat-badge {
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary);
  border: 1px solid rgba(99, 102, 241, 0.3);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* The mobile-style preview area */
.preview-panel {
  background: #ffffff;
  border-radius: 12px;
  padding: 18px 16px;
  color: #1f2937;
}

.preview-passage {
  background: #f1f5ff;
  border-left: 3px solid #4c669f;
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: #374151;
  margin-bottom: 14px;
  max-height: 200px;
  overflow-y: auto;
}

.preview-question {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  line-height: 1.6;
  margin-bottom: 16px;
  font-family: var(--font-body);
}

.exam-meta-badge {
  display: inline-block;
  background: rgba(14, 165, 233, 0.1);
  color: #0284c7;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.preview-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.preview-option {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  color: #374151;
  cursor: default;
  transition: all 0.2s;
}

.preview-option.preview-correct {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.04);
  color: #10b981;
}

.preview-radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #d1d5db;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-radio.preview-radio-correct {
  border-color: #10b981;
}

.preview-radio-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #10b981;
}

.preview-explanation {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13px;
  color: #374151;
  line-height: 1.6;
}

.preview-explanation strong {
  display: block;
  color: #059669;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.preview-explanation p {
  margin: 0;
}

/* Utility: hidden panels */
.hidden {
  display: none !important;
}

/* Edit panel separator */
.edit-panel {
  border-top: 1px dashed var(--glass-border);
  padding-top: 16px;
  margin-top: 4px;
}

/* ==========================================================
   FORMATTING TOOLBAR (Bold / Underline / Clear)
   ========================================================== */
.format-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.fmt-btn {
  background: var(--bg-dark);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 4px 12px;
  border-radius: 5px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-body);
  line-height: 1.5;
}

.fmt-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
}

.fmt-btn.fmt-bold strong {
  font-weight: 900;
  font-size: 15px;
}

.fmt-btn.fmt-underline u {
  text-underline-offset: 3px;
}

.fmt-btn.fmt-clear {
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.fmt-btn.fmt-clear:hover {
  background: rgba(239, 68, 68, 0.08);
  border-color: var(--danger);
  color: var(--danger);
}

.fmt-hint {
  font-size: 11px;
  color: var(--text-secondary);
  margin-left: 4px;
  font-style: italic;
  opacity: 0.7;
}

/* ==========================================================
   ADMIN EDITOR (CMS) SCREEN STYLING
   ========================================================== */
.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  margin-bottom: 24px;
  gap: 20px;
  flex-wrap: wrap;
}

.editor-title-block {
  display: flex;
  align-items: center;
  gap: 16px;
}

.editor-search-block {
  flex: 1;
  max-width: 450px;
}

.editor-search-block input {
  width: 100%;
  background: var(--bg-dark-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition: all 0.3s ease;
}

.editor-search-block input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 8px var(--glass-glow);
}

.btn.success-btn {
  background: var(--success);
  color: white;
}
.btn.success-btn:hover {
  background: #059669;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

.editor-questions-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.editor-q-card {
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.editor-q-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.form-group-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group-row select {
  background: var(--bg-dark);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: var(--font-body);
  outline: none;
  cursor: pointer;
}

.editor-q-card-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.editor-q-card-body textarea {
  background: var(--bg-dark);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-body);
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: all 0.3s ease;
}

.editor-q-card-body textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 5px var(--glass-glow);
}

.editor-options-inputs {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.editor-options-inputs label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
}

.option-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.opt-label {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-secondary);
}

.option-input-row input[type="text"] {
  flex: 1;
  background: var(--bg-dark);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition: all 0.3s ease;
}

.option-input-row input[type="text"]:focus {
  border-color: var(--primary);
}

.option-input-row input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ==========================================================
   TOAST FLOATING ALERTS STYLING
   ========================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-dark-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 14px 20px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  font-size: 13px;
  font-weight: 600;
  min-width: 280px;
  max-width: 420px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.danger {
  border-left: 4px solid var(--danger);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================
   LOADING OVERLAY STYLING
   ========================================================== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 1000;
  transition: opacity 0.3s ease;
}

.loading-overlay.hidden {
  display: none !important;
}

.loading-overlay p {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Responsiveness adjustments */
@media (max-width: 900px) {
  .exam-layout {
    grid-template-columns: 1fr;
  }
  .results-dashboard {
    grid-template-columns: 1fr;
  }
  .editor-header {
    flex-direction: column;
    align-items: stretch;
  }
  .editor-search-block {
    max-width: 100%;
  }
}