/* === QA Sandbox Styles === */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #64748b;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --bg: #0a0a0f;
  --bg-card: #16161d;
  --bg-input: #1e1e26;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #2d2d3a;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: "Inter", "Space Grotesk", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Page Navigation */
.page-nav {
  position: sticky;
  top: 0;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.back-link:hover {
  color: var(--primary);
}

.page-title {
  font-size: 1.3rem;
  font-weight: 700;
}

.page-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.logo {
  font-size: 2rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--primary);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary) 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Sections */
.section {
  margin-bottom: 4rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border);
}

.section-header h2 {
  font-size: 1.8rem;
}

.badge {
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
}

/* Exercise Cards */
.exercise {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
}

.exercise-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.exercise-header h3 {
  font-size: 1.2rem;
}

.exercise-desc {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.difficulty {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.difficulty.easy {
  background: var(--success);
  color: #000;
}
.difficulty.medium {
  background: var(--warning);
  color: #000;
}
.difficulty.hard {
  background: var(--danger);
  color: #fff;
}

/* Forms */
.form-grid {
  display: grid;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="date"],
input[type="datetime-local"],
input[type="time"],
select,
textarea {
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

input.error {
  border-color: var(--danger);
}

input.success {
  border-color: var(--success);
}

.validation-msg {
  font-size: 0.8rem;
  min-height: 1.2rem;
}

.validation-msg.error {
  color: var(--danger);
}
.validation-msg.success {
  color: var(--success);
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--secondary);
  color: white;
}

.btn-success {
  background: var(--success);
  color: #000;
}
.btn-warning {
  background: var(--warning);
  color: #000;
}
.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-info {
  background: var(--info);
  color: white;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.25rem;
  transition: transform 0.2s;
}

.btn-icon:hover {
  transform: scale(1.2);
}

.btn-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-remove {
  background: var(--danger);
  color: white;
  border: none;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
}

/* Result Box */
.result-box {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg);
  border-radius: 8px;
  border-left: 4px solid var(--primary);
}

.result-box.success {
  border-left-color: var(--success);
}
.result-box.error {
  border-left-color: var(--danger);
}

.hidden {
  display: none !important;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--text-muted);
}

.data-table tbody tr:hover {
  background: var(--bg);
}

.sortable-header {
  cursor: pointer;
  user-select: none;
}

.sortable-header:hover {
  color: var(--primary);
}

.status {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status.active {
  background: rgba(34, 197, 94, 0.2);
  color: var(--success);
}
.status.pending {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}
.status.inactive {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

.filter-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.filter-controls input,
.filter-controls select {
  flex: 1;
}

.table-info {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.pagination-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.pagination {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
}

.btn-page {
  padding: 0.5rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-page:hover:not(:disabled) {
  background: var(--primary);
  border-color: var(--primary);
}

.btn-page:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-page.active {
  background: var(--primary);
  border-color: var(--primary);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius);
  width: 90%;
  max-width: 500px;
  border: 1px solid var(--border);
  animation: modalIn 0.3s ease;
}

.modal-sm {
  max-width: 350px;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Drag & Drop */
.dnd-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.dnd-column h4 {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.dnd-list {
  min-height: 200px;
  background: var(--bg);
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.dnd-list.drag-over {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.dnd-item {
  background: var(--bg-card);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  cursor: grab;
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.dnd-item:active {
  cursor: grabbing;
}

.dnd-item.dragging {
  opacity: 0.5;
}

/* Sortable List */
.sortable-list {
  background: var(--bg);
  border-radius: 8px;
  padding: 0.5rem;
}

.sortable-item {
  background: var(--bg-card);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  cursor: grab;
  border: 1px solid var(--border);
}

.sortable-item.dragging {
  opacity: 0.5;
}

/* Kanban */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.kanban-column {
  background: var(--bg);
  border-radius: 8px;
  padding: 1rem;
}

.kanban-title {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.kanban-title.todo {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}
.kanban-title.progress {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}
.kanban-title.done {
  background: rgba(34, 197, 94, 0.2);
  color: var(--success);
}

.kanban-items {
  min-height: 150px;
}

.kanban-card {
  background: var(--bg-card);
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  cursor: grab;
  border: 1px solid var(--border);
}

.kanban-card h5 {
  margin-bottom: 0.25rem;
}

.kanban-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Dynamic Content */
.delayed-container {
  margin-top: 1rem;
  display: grid;
  gap: 0.5rem;
}

.delayed-item {
  background: var(--success);
  color: #000;
  padding: 1rem;
  border-radius: 8px;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.loader {
  padding: 1rem;
  text-align: center;
  color: var(--text-muted);
}

.ajax-data {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg);
  border-radius: 8px;
}

.scroll-container {
  max-height: 300px;
  overflow-y: auto;
  background: var(--bg);
  border-radius: 8px;
  padding: 1rem;
}

.scroll-item {
  background: var(--bg-card);
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
}

.scroll-info {
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Checkboxes & Radios */
.checkbox-container,
.radio-group {
  margin-bottom: 1rem;
}

.checkbox-group-items {
  margin-left: 1.5rem;
  margin-top: 0.5rem;
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.2s;
}

.checkbox-label:hover,
.radio-label:hover {
  background: var(--bg);
}

input[type="checkbox"],
input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* Sliders */
.sliders-section {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.slider-group label {
  display: block;
  margin-bottom: 0.5rem;
}

input[type="range"] {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  background: var(--bg);
  border-radius: 4px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
}

/* Toggles */
.toggles-section {
  margin-bottom: 1.5rem;
}

.toggles-section h4 {
  margin-bottom: 1rem;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  cursor: pointer;
}

.toggle {
  display: none;
}

.toggle-slider {
  width: 50px;
  height: 26px;
  background: var(--border);
  border-radius: 13px;
  position: relative;
  transition: background 0.3s;
}

.toggle-slider::before {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform 0.3s;
}

.toggle:checked + .toggle-slider {
  background: var(--primary);
}

.toggle:checked + .toggle-slider::before {
  transform: translateX(24px);
}

/* Color Picker */
.color-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

input[type="color"] {
  width: 50px;
  height: 35px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

/* Progress Bar */
.progress-section {
  margin-top: 1.5rem;
}

.progress-bar {
  width: 100%;
  height: 12px;
  background: var(--bg);
  border-radius: 6px;
  overflow: hidden;
  margin: 0.5rem 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #a855f7);
  border-radius: 6px;
  transition: width 0.3s;
}

/* iFrame */
.demo-iframe {
  width: 100%;
  height: 200px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
}

/* Hover Effects */
.hover-examples {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tooltip-container {
  position: relative;
}

.tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
  margin-bottom: 8px;
}

.tooltip-container:hover .tooltip {
  opacity: 1;
  visibility: visible;
}

.dropdown-hover {
  position: relative;
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 150px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
  z-index: 10;
}

.dropdown-hover:hover .dropdown-content {
  opacity: 1;
  visibility: visible;
}

.dropdown-content a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text);
  text-decoration: none;
  transition: background 0.2s;
}

.dropdown-content a:hover {
  background: var(--bg);
}

.hover-card {
  background: var(--bg);
  padding: 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
}

.hover-card:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.hidden-content {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
}

.hover-card:hover .hidden-content {
  opacity: 1;
  transform: translateY(0);
}

/* Context Menu */
.context-area {
  background: var(--bg);
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
  cursor: context-menu;
}

.context-menu {
  position: fixed;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 150px;
  z-index: 1000;
  box-shadow: var(--shadow);
}

.context-item {
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.context-item:hover {
  background: var(--bg);
}

.context-separator {
  height: 1px;
  background: var(--border);
}

/* Keyboard */
.keyboard-section ul {
  list-style: none;
  margin: 1rem 0;
}

.keyboard-section li {
  margin-bottom: 0.5rem;
}

kbd {
  background: var(--bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  border: 1px solid var(--border);
}

.keyboard-inputs {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.keyboard-inputs input {
  flex: 1;
}

/* Accordion */
.accordion-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: 1rem;
  background: var(--bg);
  border: none;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  font-family: inherit;
}

.accordion-header:hover {
  background: var(--bg-input);
}

.accordion-icon {
  transition: transform 0.3s;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 1rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s;
}

.accordion-item.active .accordion-content {
  padding: 1rem;
  max-height: 200px;
}

/* Tabs */
.tab-buttons {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.tab-pane {
  display: none;
  padding: 1rem;
  background: var(--bg);
  border-radius: 8px;
}

.tab-pane.active {
  display: block;
}

.tab-pane pre {
  background: #0d1117;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin-top: 0.5rem;
}

.tab-pane code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  color: #e6edf3;
}

/* Carousel */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

.carousel-container {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel-slide {
  min-width: 100%;
  padding: 3rem;
  background: linear-gradient(135deg, var(--primary) 0%, #a855f7 100%);
  display: none;
}

.carousel-slide.active {
  display: block;
}

.slide-content {
  text-align: center;
}

.slide-icon {
  font-size: 3rem;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: white;
  padding: 1rem;
  cursor: pointer;
  font-size: 1.5rem;
  transition: background 0.2s;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}

.carousel-btn.prev {
  left: 10px;
}
.carousel-btn.next {
  right: 10px;
}

.carousel-dots {
  text-align: center;
  padding: 1rem;
  background: var(--bg);
}

.dot {
  width: 12px;
  height: 12px;
  background: var(--border);
  border-radius: 50%;
  display: inline-block;
  margin: 0 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.dot.active {
  background: var(--primary);
}

.carousel-info {
  text-align: center;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Autocomplete */
.autocomplete-container {
  position: relative;
}

.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-height: 200px;
  overflow-y: auto;
  z-index: 10;
}

.autocomplete-item {
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.autocomplete-item:hover {
  background: var(--bg);
}

/* Rating */
.rating-container {
  text-align: center;
}

.rating {
  display: inline-flex;
  gap: 0.5rem;
  margin: 1rem 0;
}

.star {
  font-size: 2rem;
  cursor: pointer;
  transition: all 0.2s;
}

.star:hover,
.star.active {
  color: var(--warning);
}

.rating-value {
  font-size: 1.2rem;
  color: var(--text-muted);
}

/* OTP Input */
.otp-container {
  text-align: center;
}

.otp-inputs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin: 1rem 0;
}

.otp-input {
  width: 50px;
  height: 60px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 600;
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: 8px;
  color: var(--text);
}

.otp-input:focus {
  border-color: var(--primary);
}

/* Double Click */
.dblclick-area {
  background: var(--bg);
  padding: 3rem;
  text-align: center;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s;
}

.dblclick-area:active {
  transform: scale(0.98);
}

/* Copy */
.copy-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg);
  padding: 1rem;
  border-radius: 8px;
}

.copy-container code {
  font-family: "JetBrains Mono", monospace;
  flex: 1;
}

/* Dynamic Fields */
.dynamic-fields {
  margin-bottom: 1rem;
}

.dynamic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.field-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.field-row input {
  flex: 1;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
}

/* === SPECIAL SCENARIOS STYLES === */

/* Navigation highlight */
.nav-new {
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  color: #000 !important;
  font-weight: 600;
}

/* A/B Testing */
.ab-container {
  padding: 2rem;
  background: var(--bg);
  border-radius: 8px;
  text-align: center;
}

.ab-variant-a {
  border-left: 4px solid var(--primary);
}
.ab-variant-b {
  border-left: 4px solid var(--success);
}

/* Login Flash Messages */
.flash-message {
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  animation: slideIn 0.3s ease;
}

.flash-message.success {
  background: rgba(34, 197, 94, 0.2);
  color: var(--success);
  border: 1px solid var(--success);
}

.flash-message.error {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
  border: 1px solid var(--danger);
}

@keyframes slideIn {
  from {
    transform: translateY(-10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Broken Images */
.broken-images {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem;
  background: var(--bg);
  border-radius: 8px;
}

.broken-images img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid var(--border);
}

.broken-images img[src*="invalid"],
.broken-images img:not([src]),
.broken-images img[alt*="Broken"] {
  background: repeating-linear-gradient(
    45deg,
    var(--bg-card),
    var(--bg-card) 10px,
    var(--danger) 10px,
    var(--danger) 20px
  );
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Challenging DOM */
.challenging-dom .btn-group {
  margin-bottom: 1rem;
}

#challenge-table {
  margin-top: 1rem;
}

/* Disappearing Elements */
.disappearing-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 1rem;
  background: var(--bg);
  border-radius: 8px;
}

.disappearing-nav a {
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.2s;
}

.disappearing-nav a:hover {
  background: var(--primary);
  border-color: var(--primary);
}

/* Ad Modal */
.ad-modal {
  border: 3px solid var(--warning);
  background: linear-gradient(135deg, var(--bg-card) 0%, #2d1f00 100%);
}

.ad-modal .modal-header {
  background: linear-gradient(90deg, var(--warning) 0%, #f59e0b 100%);
  color: #000;
}

.ad-modal .modal-header h3 {
  color: #000;
}

/* Floating Menu */
.floating-menu {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 999;
}

.floating-menu a {
  width: 50px;
  height: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.2rem;
  transition: all 0.2s;
  box-shadow: var(--shadow);
}

.floating-menu a:hover {
  background: var(--primary);
  transform: scale(1.1);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 1rem 1.5rem;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 250px;
  box-shadow: var(--shadow);
}

.toast.success {
  background: var(--success);
}
.toast.error {
  background: var(--danger);
}
.toast.info {
  background: var(--info);
}
.toast.warning {
  background: var(--warning);
  color: #000;
}

@keyframes toastIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toastOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* Status Codes */
.status-codes {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

/* Typos */
.typos-text {
  padding: 1.5rem;
  background: var(--bg);
  border-radius: 8px;
  line-height: 1.8;
}

/* Nested Frames */
.nested-frame-outer {
  width: 100%;
  height: 300px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: white;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .stats {
    gap: 1.5rem;
  }

  .dnd-container,
  .kanban-board {
    grid-template-columns: 1fr;
  }

  .keyboard-inputs {
    flex-direction: column;
  }

  .floating-menu {
    bottom: 10px;
    right: 10px;
  }

  .floating-menu a {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}