/* Import Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

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

:root {
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: rgba(59, 130, 246, 0.1);
  --secondary-color: #6b7280;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  --border-color: #475569;
  --border-light: #64748b;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --gradient-card: linear-gradient(145deg, #1e293b 0%, #334155 100%);
}

.App {
  min-height: 100vh;
  background: var(--bg-primary);
  background-image: radial-gradient(
      circle at 20% 20%,
      rgba(59, 130, 246, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(16, 185, 129, 0.05) 0%,
      transparent 50%
    );
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text-primary);
}

.app-header {
  text-align: left;
  padding: 2rem 2.5rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.app-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.app-header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-header p {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(16, 185, 129, 0.15);
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  border: 1px solid rgba(16, 185, 129, 0.3);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.status-indicator:hover {
  background: rgba(16, 185, 129, 0.2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success-color);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
  animation: pulse 2s infinite;
}

.status-dot.success {
  background: var(--success-color);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.status-dot.error {
  background: var(--error-color);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.status-dot.checking {
  background: var(--warning-color);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
  animation: pulse-checking 1s infinite;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.status-refresh-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  font-size: 0.875rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-refresh-btn:hover:not(:disabled) {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

.status-refresh-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.status-details {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@keyframes pulse-checking {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

.status-indicator span {
  color: var(--success-color);
  font-size: 0.875rem;
  font-weight: 600;
}

.main-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 140px);
  gap: 1.5rem;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  align-items: start;
}

/* Steps Columns */
.steps-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Step Content Areas */
.step-content {
  background: var(--bg-card);
  background-image: var(--gradient-card);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  opacity: 1;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  backdrop-filter: blur(10px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-xl), 0 0 0 1px var(--primary-color),
    0 0 40px rgba(99, 102, 241, 0.15);
  transform: translateY(-2px);
  min-height: fit-content;
}

.step-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(
    135deg,
    transparent,
    rgba(99, 102, 241, 0.2),
    transparent
  );
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 1;
  transition: opacity 0.4s ease;
}

/* Step Components Styling */
.step-container {
  display: flex;
  flex-direction: column;
  min-height: fit-content;
}

.step-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.step-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.step-header h2 {
  color: var(--text-primary);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: -0.025em;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  box-shadow: var(--shadow-md);
}

.step-header p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.step-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.step-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Form Elements */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  letter-spacing: 0.025em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-input {
  padding: 1rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 0.875rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(15, 23, 42, 0.8);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), var(--shadow-md);
  transform: translateY(-1px);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.btn {
  padding: 1rem 1.5rem;
  border: none;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
  letter-spacing: -0.025em;
  box-shadow: var(--shadow-md);
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-light);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
  color: white;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn:disabled:hover {
  transform: none;
}

/* File Upload */
.file-upload,
.file-upload-area {
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(15, 23, 42, 0.5);
  color: var(--text-secondary);
  position: relative;
  overflow: hidden;
  margin-top: 1rem;
}

.file-upload::before,
.file-upload-area::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at center,
    rgba(99, 102, 241, 0.05) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.file-upload:hover,
.file-upload-area:hover {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.05);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.file-upload:hover::before,
.file-upload-area:hover::before {
  opacity: 1;
}

.file-upload.drag-over,
.file-upload-area.drag-over {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--primary-color);
}

.file-upload input[type="file"],
.file-upload-area input[type="file"] {
  display: none;
}

.file-upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.file-upload-text {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.file-upload-subtext {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.file-uploaded {
  background: var(--bg-tertiary);
  border: 2px solid var(--success-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md), 0 0 20px rgba(16, 185, 129, 0.1);
  margin-top: 1rem;
  position: relative;
  overflow: hidden;
}

.file-uploaded::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--success-color) 0%, #34d399 100%);
}

.file-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--success-color);
}

.file-icon {
  font-size: 2rem;
  background: rgba(16, 185, 129, 0.1);
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.file-details {
  flex: 1;
}

.file-details h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-size: 1.1rem;
}

.file-details p {
  font-size: 0.875rem;
  opacity: 0.8;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.file-details p:last-child {
  margin-bottom: 0;
}

/* Output Options */
.output-options {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.output-option {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-align: left;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
  flex: 1;
  min-width: 0;
}

.output-option::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.output-option:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.output-option.selected {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--primary-color);
}

.output-option.selected::before {
  opacity: 0.05;
}

.output-option.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.output-option.disabled:hover {
  transform: none;
  box-shadow: none;
}

.output-option h4 {
  margin-bottom: 0.25rem;
  color: var(--text-primary);
  font-weight: 600;
  position: relative;
  z-index: 1;
  font-size: 0.875rem;
}

.output-option p {
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.4;
  position: relative;
  z-index: 1;
  opacity: 0.8;
}

/* Data Preview */
.data-preview {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.data-preview h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 600;
}

/* Data table container for Step2 preview - specific class to avoid conflicts */
.step2-data-table-container {
  width: 100%;
  max-height: 400px;
  overflow: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  background: var(--bg-secondary);
  position: relative;
  /* Ensure scrolling works properly */
  scrollbar-width: thin;
  scrollbar-color: var(--border-light) var(--bg-tertiary);
}

.data-table-scrollable {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  min-width: 600px; /* Increased minimum width to ensure horizontal scrolling */
  table-layout: auto; /* Allow flexible column sizing */
}

.data-table-scrollable th,
.data-table-scrollable td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px; /* Limit column width */
  min-width: 120px; /* Increased minimum column width */
  vertical-align: top;
}

.data-table-scrollable th {
  background: var(--bg-primary);
  font-weight: 600;
  color: var(--text-primary);
  position: sticky;
  top: 0;
  z-index: 2;
  border-right: 1px solid var(--border-color);
}

.data-table-scrollable td {
  border-right: 1px solid var(--border-color);
}

.data-table-scrollable tr:hover {
  background: rgba(59, 130, 246, 0.08);
}

.data-table-scrollable tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.preview-note {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  font-style: italic;
}

/* Custom scrollbar for the data table container */
.data-table-container::-webkit-scrollbar,
.step2-data-table-container::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

.data-table-container::-webkit-scrollbar-track,
.step2-data-table-container::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 6px;
  margin: 2px;
}

.data-table-container::-webkit-scrollbar-thumb,
.step2-data-table-container::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 6px;
  border: 2px solid var(--bg-tertiary);
  min-height: 20px;
}

.data-table-container::-webkit-scrollbar-thumb:hover,
.step2-data-table-container::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

.data-table-container::-webkit-scrollbar-corner,
.step2-data-table-container::-webkit-scrollbar-corner {
  background: var(--bg-tertiary);
}

/* Legacy data-table styles for backward compatibility */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  border-radius: 8px;
  overflow: hidden;
}

.data-table th,
.data-table td {
  padding: 0.75rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.data-table th {
  background: var(--bg-primary);
  font-weight: 600;
  color: var(--text-primary);
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table tr:hover {
  background: rgba(99, 102, 241, 0.05);
}

/* Slider */
.slider-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-tertiary);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-primary);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-primary);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

slider::-moz-range-thumb:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.slider-value {
  text-align: center;
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1rem;
  background: rgba(99, 102, 241, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

/* Status Messages */
.status-message {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  font-family: "Inter", sans-serif;
}

.status-message.success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success-color);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-message.error {
  background: rgba(248, 113, 113, 0.15);
  color: var(--error-color);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.status-message.info {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-color);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.status-message.warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning-color);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-message-icon {
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.status-message-content h4 {
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.status-message-content ul {
  margin: 0;
  color: inherit;
  opacity: 0.9;
}

/* Status Summary List */
.status-summary {
  margin-top: 0.75rem;
  background: rgba(15, 23, 42, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem;
  backdrop-filter: blur(5px);
}

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(71, 85, 105, 0.2);
  font-size: 0.8rem;
}

.status-row:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.status-row:first-child {
  padding-top: 0;
}

.status-label {
  font-weight: 500;
  color: var(--text-secondary);
  min-width: 80px;
  font-size: 0.8rem;
}

.status-badge {
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  border: 1px solid;
  backdrop-filter: blur(10px);
  transition: all 0.2s ease;
}

.status-badge.success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success-color);
  border-color: rgba(16, 185, 129, 0.3);
}

.status-badge.warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning-color);
  border-color: rgba(245, 158, 11, 0.3);
}

.status-badge.info {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-color);
  border-color: rgba(99, 102, 241, 0.3);
}

/* Step wrapper states */
.step-wrapper.disabled {
  opacity: 0.5;
  pointer-events: none;
  position: relative;
}

.step-wrapper.disabled::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.1);
  z-index: 1;
  border-radius: 12px;
}

.step-wrapper.enabled {
  opacity: 1;
  pointer-events: auto;
}

/* Disabled step content */
.step-wrapper.disabled .btn {
  pointer-events: none;
  opacity: 0.6;
}

.step-wrapper.disabled input,
.step-wrapper.disabled select,
.step-wrapper.disabled textarea {
  pointer-events: none;
  opacity: 0.6;
}

.step-wrapper.disabled .file-upload-zone {
  pointer-events: none;
  opacity: 0.6;
}

/* Results Section Styles */
.results-section {
  margin-top: 2rem;
}

.generate-new-section {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: 2rem;
}

.success-details {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.success-stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.success-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.success-value {
  color: var(--text-primary);
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 4px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.download-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.download-btn-primary {
  font-size: 1rem;
  padding: 0.875rem 2rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
  border: none;
  color: white;
}

.download-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-outline:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: rgba(59, 130, 246, 0.05);
}

/* Error Section Improvements */
.error-section {
  margin-top: 2rem;
}

.error-details {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  font-size: 0.875rem;
}

.error-help {
  color: var(--text-secondary);
}

.error-help ul {
  color: var(--text-secondary);
  opacity: 0.9;
}

.error-help li {
  margin-bottom: 0.25rem;
}

/* Generation section improvements */
.generation-progress {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.generation-progress .spinner {
  margin: 0 auto 1rem;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--success-color)
  );
  border-radius: 4px;
  transition: width 0.3s ease;
}