/* Base styles for Cloudflare Error Page Generator */
:root {
  --cf-orange: #f38020;
  --cf-dark: #1d1d1d;
  --cf-gray: #404040;
  --cf-light: #f5f5f5;
  --cf-white: #ffffff;
  --cf-border: #e0e0e0;
  --cf-success: #28a745;
  --cf-error: #dc3545;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: var(--cf-light);
  color: var(--cf-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header Styles */
.app-header {
  background-color: var(--cf-dark);
  color: var(--cf-white);
  padding: 1rem 2rem;
  text-align: center;
}

.app-header h1 {
  color: var(--cf-orange);
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

.app-header p {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Main Layout - Two Column */
.app-main {
  flex: 1;
  display: flex;
  padding: 1.5rem;
  gap: 1.5rem;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}


/* Panel Base Styles */
.config-panel,
.preview-panel {
  background: var(--cf-white);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Configuration Panel */
.config-panel {
  flex: 0 0 380px;
  display: flex;
  flex-direction: column;
}

.config-panel h2 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  color: var(--cf-dark);
  border-bottom: 2px solid var(--cf-orange);
  padding-bottom: 0.5rem;
}

/* Form Group Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--cf-dark);
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--cf-border);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cf-orange);
  box-shadow: 0 0 0 3px rgba(243, 128, 32, 0.15);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

/* Input with Button Group */
.input-group {
  display: flex;
  gap: 0.5rem;
}

.input-group input {
  flex: 1;
}

.input-group button {
  flex-shrink: 0;
}


/* Button Styles */
.btn {
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn:hover {
  transform: translateY(-1px);
}

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

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

.btn-primary:hover {
  background-color: #e07018;
}

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

.btn-secondary:hover {
  background-color: #333;
}

.btn-sm {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
}

/* Action Buttons Container */
.action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--cf-border);
}

.action-buttons .btn {
  flex: 1;
}

/* Preview Panel */
.preview-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.preview-panel h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--cf-dark);
  border-bottom: 2px solid var(--cf-orange);
  padding-bottom: 0.5rem;
}

.preview-container {
  flex: 1;
  border: 1px solid var(--cf-border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
  min-height: 500px;
  background: #f9f9f9;
}

.preview-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  min-height: 500px;
}


/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 4px;
  color: var(--cf-white);
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  z-index: 1000;
}

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

.toast.success {
  background-color: var(--cf-success);
}

.toast.error {
  background-color: var(--cf-error);
}

/* Footer Styles */
.app-footer {
  background-color: var(--cf-gray);
  color: var(--cf-white);
  padding: 1rem;
  text-align: center;
  font-size: 0.85rem;
}

.app-footer a {
  color: var(--cf-orange);
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}

/* Responsive Styles - Tablet */
@media (max-width: 1024px) {
  .app-main {
    padding: 1rem;
    gap: 1rem;
  }

  .config-panel {
    flex: 0 0 320px;
  }

  .preview-container {
    min-height: 400px;
  }

  .preview-container iframe {
    min-height: 400px;
  }
}

/* Responsive Styles - Mobile */
@media (max-width: 768px) {
  .app-header {
    padding: 1rem;
  }

  .app-header h1 {
    font-size: 1.5rem;
  }

  .app-main {
    flex-direction: column;
    padding: 1rem;
  }

  .config-panel {
    flex: none;
    width: 100%;
  }

  .preview-panel {
    width: 100%;
  }

  .preview-container {
    min-height: 350px;
  }

  .preview-container iframe {
    min-height: 350px;
  }

  .action-buttons {
    flex-direction: column;
  }

  .toast {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .app-header h1 {
    font-size: 1.25rem;
  }

  .config-panel,
  .preview-panel {
    padding: 1rem;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 0.6rem;
    font-size: 0.9rem;
  }

  .btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
}