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

:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --danger-color: #dc2626;
  --danger-hover: #b91c1c;
  --success-color: #16a34a;
  --warning-color: #ea580c;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --console-bg: #0f172a;
  --console-text: #e2e8f0;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  margin-bottom: 1rem;
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  font-size: 2rem;
}

.logo-img {
  height: 2.5rem;
  width: auto;
  object-fit: contain;
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.1);
  filter: brightness(1.1);
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.main-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
  }
}

.form-section,
.output-section {
  background: var(--card-bg);
  border-radius: 0.75rem;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.required {
  color: var(--danger-color);
}

input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

input:disabled,
select:disabled,
textarea:disabled {
  background-color: #f1f5f9;
  cursor: not-allowed;
}

.help-text {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.radio-group {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.radio-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: normal;
}

.radio-label input[type="radio"] {
  width: auto;
  margin-right: 0.5rem;
  cursor: pointer;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  font-weight: normal;
  gap: 0.5rem;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
  cursor: pointer;
  flex-shrink: 0;
}

.btn-toggle {
  background: none;
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  font-size: 0.875rem;
  padding: 0.25rem 0.5rem;
  transition: color 0.2s;
}

.btn-toggle:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.button-group {
  display: flex;
  gap: 0.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: inherit;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

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

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

.btn-danger:hover:not(:disabled) {
  background-color: var(--danger-hover);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: #475569;
}

.btn-icon {
  font-size: 1.2rem;
}

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

.output-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.status-ready {
  background-color: var(--text-secondary);
}

.status-running {
  background-color: var(--primary-color);
  animation: pulse 2s infinite;
}

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

.status-error {
  background-color: var(--danger-color);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.output-console {
  background-color: var(--console-bg);
  color: var(--console-text);
  border-radius: 0.5rem;
  padding: 1rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  max-height: 600px;
  overflow-y: auto;
  min-height: 400px;
}

.console-placeholder {
  color: var(--text-secondary);
  text-align: center;
  padding: 2rem;
  font-style: italic;
}

.console-line {
  margin-bottom: 0.25rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.console-stdout {
  color: #e2e8f0;
}

.console-stderr {
  color: #fbbf24;
}

.console-error {
  color: #f87171;
}

.console-info {
  color: #60a5fa;
}

/* Scrollbar styling */
.output-console::-webkit-scrollbar {
  width: 8px;
}

.output-console::-webkit-scrollbar-track {
  background: #1e293b;
  border-radius: 4px;
}

.output-console::-webkit-scrollbar-thumb {
  background: #475569;
  border-radius: 4px;
}

.output-console::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  header h1 {
    font-size: 2rem;
  }

  .form-section,
  .output-section {
    padding: 1.5rem;
  }

  .button-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}