:root {
  /* LiaScript Brand Colors */
  --turquoise-darker: rgb(15, 54, 69);
  --turquoise-dark: rgb(16, 116, 117);
  --turquoise: rgb(20, 115, 117);
  
  /* Theme Colors */
  --primary: var(--turquoise);
  --primary-light: rgba(20, 115, 117, 0.1);
  --secondary: #64748b;
  --success: #22c55e;
  --error: #ef4444;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --transition: all 0.2s ease;
}

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

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

/* Navbar */
.navbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: var(--transition);
}

.navbar-brand img {
  height: 36px;
  width: 36px;
}

.navbar-brand:hover {
  opacity: 0.8;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-link {
  text-decoration: none;
  color: var(--turquoise-darker);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: var(--transition);
  font-weight: 700;
}

.navbar-link:hover {
  color: var(--turquoise);
  background: var(--primary-light);
}

.navbar-link.active {
  color: var(--turquoise);
  background: var(--primary-light);
}

/* Language Selector */
.language-selector-container {
  display: flex;
  align-items: center;
}

.language-selector {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--turquoise-darker);
  cursor: pointer;
  transition: var(--transition);
}

.language-selector:hover {
  border-color: var(--turquoise);
  background-color: var(--primary-light);
}

.language-selector:focus {
  outline: none;
  border-color: var(--turquoise);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.language-selector option {
  background: var(--card-bg);
  color: var(--turquoise-darker);
  font-weight: 600;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 1rem;
  background: var(--turquoise);
  border-radius: 12px;
  color: white;
  box-shadow: var(--shadow);
}

header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: white;
  font-weight: 600;
}

.subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

/* Card */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card h2 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--turquoise-darker);
  font-weight: 700;
}

/* Tabs */
.source-tabs,
.export-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.tab-button,
.export-tab-button {
  background: none;
  border: none;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-button:hover,
.export-tab-button:hover {
  color: var(--text);
}

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

.tab-panel,
.export-tab-panel {
  display: none;
}

.tab-panel.active,
.export-tab-panel.active {
  display: block;
}

/* Upload Area */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg);
}

.upload-area:hover {
  border-color: var(--turquoise);
  background: var(--primary-light);
}

.upload-area.drag-over {
  border-color: var(--turquoise);
  background: var(--primary-light);
  border-style: solid;
}

.upload-area svg {
  color: var(--turquoise);
  margin-bottom: 1rem;
}

.upload-area p {
  color: var(--text);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

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

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

/* File List */
.file-list {
  margin-top: 1rem;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.file-item:hover {
  border-color: var(--turquoise);
  background: var(--primary-light);
}

.file-name {
  flex: 1;
  font-size: 0.95rem;
}

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

.remove-file {
  background: none;
  border: none;
  color: var(--error);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background 0.2s;
}

.remove-file:hover {
  background: #fee;
}

/* Form Elements */
.form-group {
  margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--turquoise);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.875rem;
}

.form-group input[readonly] {
  background: var(--bg);
  color: var(--text-muted);
}

.form-group .hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

/* Preset Grid */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.preset-tile {
  position: relative;
  cursor: pointer;
}

.preset-tile input[type='radio'] {
  position: absolute;
  opacity: 0;
}

.preset-content {
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: var(--transition);
  background: white;
}

.preset-tile:hover .preset-content {
  border-color: var(--turquoise);
  background: var(--primary-light);
}

.preset-tile input:checked + .preset-content {
  border-color: var(--turquoise);
  background: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(20, 115, 117, 0.1);
}

.preset-content h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--turquoise-darker);
  font-weight: 600;
}

.preset-content p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.format-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Collapsible */
.collapsible-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  width: 100%;
  text-align: left;
}

.toggle-icon {
  font-size: 0.875rem;
  transition: transform 0.2s;
}

.collapsible-content {
  margin-top: 1.5rem;
}

.hidden {
  display: none;
}

/* Settings Groups */
.settings-group {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.settings-group:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.settings-heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--turquoise-darker);
  margin-bottom: 1rem;
}

.settings-group .form-group {
  margin-bottom: 1rem;
}

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

.settings-group.no-settings {
  border-bottom: none;
  text-align: center;
  padding: 2rem 0;
}

.form-group label input[type='checkbox'] {
  width: auto;
  margin-right: 0.5rem;
  cursor: pointer;
}

/* Buttons */
.btn-primary {
  background: var(--turquoise);
  color: white;
  border: none;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--turquoise-dark);
}

.btn-primary:disabled {
  background: var(--secondary);
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--secondary);
  color: white;
  border: none;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: #475569;
}

/* Submit Section */
.submit-section {
  text-align: center;
}

.submit-section .btn-primary {
  margin-bottom: 1rem;
}

.info-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-content h2 {
  margin-bottom: 1.5rem;
  color: var(--turquoise-darker);
  font-weight: 600;
}

.modal-content p {
  margin-bottom: 0.75rem;
}

.success-message {
  color: var(--success);
  font-weight: 500;
  margin-top: 1rem;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.modal-actions .btn-primary,
.modal-actions .btn-secondary {
  flex: 1;
  justify-content: center;
}

/* Footer */
footer {
  text-align: center;
  margin-top: 4rem;
  padding: 2rem 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 640px) {
  .navbar-container {
    flex-direction: column;
    height: auto;
    padding: 1rem;
    gap: 1rem;
  }

  .navbar-brand {
    font-size: 1rem;
  }

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

  .preset-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .modal-actions {
    flex-direction: column;
  }
}

/* Status Page */
.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
}
.status-queued {
  background: #dbeafe;
  color: #1e40af;
}
.status-processing {
  background: #fef3c7;
  color: #92400e;
}
.status-completed {
  background: #d1fae5;
  color: #065f46;
}
.status-failed {
  background: #fee2e2;
  color: #991b1b;
}
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin: 1rem 0;
}
.progress-fill {
  height: 100%;
  background: var(--primary);
  transition: width 0.3s;
}
.refresh-info {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 1rem;
}