/* Main Styling - Colors, Components, Animations */

:root {
  /* Light Mode Colors (default) */
  --color-primary: #667eea;
  --color-primary-dark: #5568d3;
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --color-bg-elevated: #ffffff;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-border-focus: #667eea;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Colors */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a1a;
    --color-bg-alt: #2d2d2d;
    --color-bg-elevated: #2d2d2d;
    --color-text: #e5e7eb;
    --color-text-muted: #9ca3af;
    --color-border: #404040;
    --color-border-focus: #8b9ceb;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  }
}

/* Code Editor Component - Ace Editor */
.code-editor {
  flex: 1;
  min-height: 200px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
}

.code-editor:focus-within {
  border-color: var(--color-border-focus);
}

/* Hide cursor on unfocused editors */
.ace_editor:not(.ace_focus) .ace_cursor {
  opacity: 0;
}

/* Config Editor - Smaller Size */
.config-editor {
  /* Let Ace handle height with minLines/maxLines */
}

/* Config Error State */
.code-editor.has-error {
  border-color: var(--color-error);
}

/* Buttons */
.preset-btn,
.tab,
.icon-button,
.close-button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
  transition: all 0.2s;
}

.preset-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.preset-btn:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-primary);
}

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

/* Tabs */
.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  color: var(--color-text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.025em;
}

.tab:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Icon Buttons */
.icon-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.icon-button:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.icon-button:active {
  transform: scale(0.98);
}

.icon-button svg {
  width: 16px;
  height: 16px;
}

/* Output Editor - Ace Read-only */
.output-editor {
  flex: 1;
  min-height: 200px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
}

/* Error Styling */
.error-container {
  background: var(--color-bg-elevated);
  border: 2px solid var(--color-error);
}

.error-header {
  background: var(--color-error);
  color: white;
}

.error-icon {
  font-size: 1.25rem;
  font-weight: bold;
}

.error-title {
  flex: 1;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.close-button {
  background: transparent;
  color: white;
  font-size: 1.5rem;
  line-height: 1;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
}

.close-button:hover {
  background: rgba(255, 255, 255, 0.2);
}

.error-message {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'Courier New', monospace;
  font-size: 0.875rem;
  color: var(--color-error);
  background: #fef2f2;
  border-top: 1px solid #fecaca;
}

/* Dark mode error message */
@media (prefers-color-scheme: dark) {
  .error-message {
    background: #3d1f1f;
    border-top-color: #5a2a2a;
    color: #fca5a5;
  }
}

.error-details {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  background: var(--color-bg-elevated);
}

.error-details p {
  margin: var(--spacing-xs) 0;
}

.error-details strong {
  color: var(--color-text);
}

/* Info Links */
.info-links a {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
}

.info-links a:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Sponsor Section */
.sponsor-section {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, #fff5f5 0%, #ffe5e5 100%);
  border: 2px solid #ffcccc;
  border-radius: var(--border-radius);
  text-align: center;
}

/* Dark mode sponsor section */
@media (prefers-color-scheme: dark) {
  .sponsor-section {
    background: linear-gradient(135deg, #3d1f1f 0%, #4d2626 100%);
    border-color: #8b5a5a;
  }
}

.sponsor-section h4 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
  color: var(--color-text);
}

.sponsor-section p {
  margin: var(--spacing-sm) 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.sponsor-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.sponsor-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: linear-gradient(135deg, #ea4c89 0%, #d63384 100%);
  color: white;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.9375rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(234, 76, 137, 0.3);
  transition: all 0.2s;
}

.sponsor-button:hover {
  background: linear-gradient(135deg, #d63384 0%, #c2185b 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(234, 76, 137, 0.4);
}

.sponsor-button svg {
  width: 16px;
  height: 16px;
}

.sponsor-note {
  font-size: 0.8125rem;
  font-style: italic;
}

/* Footer Sponsor Link */
footer .sponsor-link {
  color: #ea4c89;
  font-weight: 600;
}

footer .sponsor-link:hover {
  color: #d63384;
}

/* Code Tags in Text */
code {
  padding: 0.125rem 0.375rem;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'Courier New', monospace;
  font-size: 0.875em;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-success);
  color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  font-weight: 500;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease-out;
  z-index: 1000;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Loading State */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus Visible for Accessibility */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus-visible {
  outline-offset: 0;
}

/* Print Styles */
@media print {
  header,
  footer,
  .config-container,
  .tabs,
  .output-header {
    display: none;
  }

  .playground {
    display: block;
  }

  .output-panel {
    page-break-inside: avoid;
  }
}