/* planets.css — Simple flexbox layout for all planets */

/* Main coding exercises container */
#coding-exercises {
  max-width: 100%;
  margin: 2rem auto;
  padding: 0;
}

/* Simple flexbox layout - everything in column */
.coding-area,
.coding-exercise,
.editor-area {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

/* All components stack vertically with consistent spacing */
.code-editor,
.code-editor-container,
.preview-area,
.live-preview,
.html-preview,
.console-output,
.feedback-area,
.exercise-instructions,
.instruction-panel {
  width: 100%;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

/* Exercise header styling */
.exercise-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--gradient-secondary);
  padding: 2rem;
  border-radius: 1rem;
  border: 2px solid var(--light-green);
  margin-bottom: 1.5rem;
}

.exercise-header h2 {
  font-size: 1.75rem;
  margin: 0;
  color: var(--dark-green);
}

/* Step indicators */
.step-indicator {
  display: flex;
  gap: 0.75rem;
}

.step {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e5e7eb;
  color: #6b7280;
  font-weight: 600;
  font-size: 1rem;
  transition: all 200ms ease;
  cursor: pointer;
}

.step.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 12px var(--shadow-green);
}

.step.completed {
  background: var(--dark-green);
  color: white;
}

/* Content areas */
.exercise-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Instruction panel */
.instruction-panel {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 4px 20px var(--shadow-dark);
  margin-bottom: 1.5rem;
}

.instruction-panel h3 {
  margin: 0 0 1rem 0;
  color: var(--dark-green);
  font-size: 1.5rem;
  font-weight: 600;
}

.instruction-panel p {
  line-height: 1.7;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

/* Hint section */
.hint-section {
  background: var(--light-green);
  border-left: 4px solid var(--nebula-purple);
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 0 0.5rem 0.5rem 0;
}

.hint-section h4 {
  margin: 0 0 0.5rem 0;
  color: var(--dark-green);
}

/* Code editor styling */
.code-editor,
.code-editor-container {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow-dark);
  margin-bottom: 1.5rem;
}

.code-editor h4,
.editor-header {
  background: var(--gradient-secondary);
  margin: 0;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--light-green);
  color: var(--dark-green);
  font-size: 1.125rem;
  font-weight: 600;
}

.code-editor textarea {
  width: 100%;
  min-height: 400px;
  border: none;
  outline: none;
  padding: 2rem;
  font-family: "Courier New", Consolas, Monaco, monospace;
  font-size: 16px;
  line-height: 1.6;
  resize: vertical;
  background: #f8f9fa;
  color: #2d3748;
}

.code-editor textarea:focus {
  background: #ffffff;
}

.editor-controls {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem 2rem;
  background: var(--gradient-secondary);
  border-top: 1px solid var(--light-green);
}

.preview-area {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow-dark);
  margin-bottom: 1.5rem;
}

.preview-area h4 {
  background: var(--gradient-secondary);
  margin: 0;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--light-green);
  color: var(--dark-green);
  font-size: 1.125rem;
  font-weight: 600;
}

.preview-frame {
  padding: 2rem;
  min-height: 400px;
  background: white;
}

.preview-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border: none;
  display: block;
  border-radius: 0.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.feedback-area {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1rem;
  box-shadow: 0 4px 20px var(--shadow-dark);
  min-height: 60px;
}

.feedback {
  padding: 1.5rem;
}

.feedback.success {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  border: 2px solid #10b981;
  color: #065f46;
}

.feedback.error {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  border: 2px solid #ef4444;
  color: #991b1b;
}

.feedback h4 {
  margin: 0 0 0.75rem 0;
  font-size: 1.125rem;
}

.feedback ul {
  margin: 0.75rem 0;
  padding-left: 1.25rem;
}

.feedback li {
  margin: 0.25rem 0;
  line-height: 1.5;
}

.exercise-instructions {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 4px 20px var(--shadow-dark);
}

.instruction-card h4 {
  color: var(--dark-green);
  margin: 0 0 1rem 0;
  font-size: 1.125rem;
}

.instruction-card ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.instruction-card li {
  margin: 0.5rem 0;
  line-height: 1.6;
}

.tip {
  background: var(--light-green);
  border-left: 4px solid var(--nebula-purple);
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 0 0.5rem 0.5rem 0;
  font-style: italic;
}

.html-preview,
.console-output {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1rem;
  padding: 1rem 1.25rem;
  box-shadow: 0 4px 20px var(--shadow-dark);
  margin-bottom: 1.5rem;
}

.html-preview h4,
.console-output h4 {
  margin: 0 0 1rem 0;
  color: var(--dark-green);
}

.preview-code {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
}

.preview-code pre {
  margin: 0;
  font-family: "Courier New", monospace;
  font-size: 0.875rem;
  line-height: 1.4;
}

.code-editor-container {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow-dark);
}

.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--gradient-secondary);
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--light-green);
  font-weight: 600;
  color: var(--dark-green);
}

.code-editor-old {
  width: 100%;
  min-height: 200px;
  border: none;
  outline: none;
  padding: 1.5rem;
  font-family: "Courier New", Consolas, Monaco, "Andale Mono", "Ubuntu Mono",
    monospace;
  font-size: 14px;
  line-height: 1.5;
  resize: vertical;
  background: #f8f9fa;
  color: #2d3748;
}

.code-editor-old:focus {
  background: #ffffff;
}

.exercise-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-small {
  background: var(--surface);
  border: 1px solid var(--light-green);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 200ms ease;
  font-size: 0.875rem;
}

.btn-small:hover {
  border-color: var(--nebula-purple);
  background: var(--light-green);
}

/* Button Styles for Interactive Exercises */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 200ms ease;
  background: var(--surface);
  color: var(--text);
  border: 2px solid var(--light-green);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--nebula-purple);
  box-shadow: 0 8px 20px var(--shadow-green);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border-color: var(--nebula-purple);
  box-shadow: 0 4px 12px var(--shadow-green);
}

.btn-primary:hover {
  box-shadow: 0 8px 20px var(--shadow-green);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--light-green);
  color: var(--dark-green);
  border-color: var(--nebula-purple);
}

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

/* Ensure all code editors and preview areas have consistent vertical spacing */
.code-editor,
.code-editor-container,
.preview-area,
.live-preview,
.html-preview,
.console-output {
  width: 100% !important;
  margin: 1rem 0;
  order: unset !important;
  flex: none !important;
}

/* Make sure code always comes before preview */
.code-editor,
.code-editor-container {
  order: 1;
}

.preview-area,
.live-preview {
  order: 2;
}

.html-preview {
  order: 0; /* HTML preview shows first when present */
}

.console-output {
  order: 3; /* Console shows last */
}

.feedback-area {
  order: 4; /* Feedback shows at the end */
}

/* Mobile Button Adjustments */
@media (max-width: 767px) {
  .editor-controls {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
  }

  .btn {
    padding: 0.875rem 1.25rem;
    font-size: 0.95rem;
    width: 100%;
  }
}
@media (max-width: 767px) {
  .editor-controls {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
  }

  .btn {
    padding: 0.875rem 1.25rem;
    font-size: 0.95rem;
    width: 100%;
  }
}

.feedback-area-old {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 4px 20px var(--shadow-dark);
}

.feedback-success-old {
  background: #d1fae5;
  border: 2px solid #10b981;
  color: #065f46;
  padding: 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
}

.feedback-error-old {
  background: #fee2e2;
  border: 2px solid #ef4444;
  color: #991b1b;
  padding: 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
}

.feedback-hint {
  background: #fef3c7;
  border: 2px solid #f59e0b;
  color: #92400e;
  padding: 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
}

/* Additional feedback styles for JavaScript interactions */
.feedback-success {
  background: #d1fae5;
  border: 2px solid #10b981;
  color: #065f46;
  padding: 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  margin: 1rem 0;
}

.feedback-error {
  background: #fee2e2;
  border: 2px solid #ef4444;
  color: #991b1b;
  padding: 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  margin: 1rem 0;
}

.feedback-hint {
  background: #fef3c7;
  border: 2px solid #f59e0b;
  color: #92400e;
  padding: 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  margin: 1rem 0;
}

/* Console output styling */
.console-content {
  background: #1a1a1a;
  color: #00ff00;
  font-family: "Courier New", monospace;
  font-size: 0.875rem;
  padding: 1rem;
  border-radius: 0.5rem;
  min-height: 120px;
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 1rem;
  white-space: pre-wrap;
}

.console-entry {
  margin: 0.25rem 0;
  line-height: 1.4;
}

.console-log {
  color: #00ff00;
}

.console-error {
  color: #ff6b6b;
}

.live-preview {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 4px 20px var(--shadow-dark);
}

.live-preview h4 {
  margin: 0 0 1rem 0;
  color: var(--dark-green);
}

/* small helpers */
code {
  background: var(--light-green);
  border: 1px solid var(--nebula-purple);
  border-radius: 0.375rem;
  padding: 0.2rem 0.4rem;
  color: var(--dark-green);
  font-weight: 600;
}

/* Enhanced lesson content */
.lesson-content {
  background: var(--surface);
  border: 2px solid var(--light-green);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 0 8px 30px var(--shadow-dark);
  transition: all 300ms ease;
}
.lesson-content:hover {
  border-color: var(--nebula-purple);
  box-shadow: 0 12px 40px var(--shadow-green);
}

/* Progress indicators */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--light-green);
  border-radius: 4px;
  overflow: hidden;
  margin: 1rem 0;
}
.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  width: 0%;
  transition: width 500ms ease;
  border-radius: 4px;
}

/* Interactive elements */
.interactive-demo {
  background: var(--gradient-secondary);
  border: 2px solid var(--nebula-purple);
  border-radius: 1rem;
  padding: 1.5rem;
  margin: 1rem 0;
  position: relative;
}
.interactive-demo::before {
  content: "🚀 Interactive";
  position: absolute;
  top: -12px;
  left: 1rem;
  background: var(--gradient-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}