/* Reset and base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-success: #16a34a;
  --color-error: #dc2626;
  --color-warning: #ca8a04;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --color-border: #e5e7eb;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --radius: 8px;
}

html {
  font-size: 16px;
  line-height: 1.5;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.site-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
  text-align: center;
}

.site-title {
  margin: 0;
  font-size: 1.75rem;
}

.site-title a {
  color: var(--color-text);
  text-decoration: none;
}

.site-description {
  margin: 0.5rem 0 0;
  color: var(--color-text-muted);
}

/* Main content */
.site-main {
  flex: 1;
  padding: 2rem 0;
}

/* Disclaimer */
.disclaimer {
  background: #fffbeb;
  border-top: 1px solid #fde68a;
  padding: 1rem 0;
  font-size: 0.8125rem;
  color: #92400e;
  line-height: 1.6;
}

.disclaimer p {
  margin: 0;
}

.disclaimer a {
  color: #b45309;
  text-decoration: underline;
}

.disclaimer a:hover {
  color: #92400e;
}

/* Footer */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 1rem 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.site-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

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

/* PURL Input Section */
.purl-input-section {
  margin-bottom: 2rem;
}

.input-wrapper {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.purl-input {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: var(--font-mono);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s;
}

.purl-input:focus {
  border-color: var(--color-primary);
}

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

.parse-button {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: white;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
}

.parse-button:hover {
  background: var(--color-primary-dark);
}

/* Result Section */
.result-section {
  display: none;
}

.result-section.visible {
  display: block;
}

/* Registry Link */
.registry-result {
  padding: 1.5rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.registry-result.success {
  border-left: 4px solid var(--color-success);
}

.registry-result.warning {
  border-left: 4px solid var(--color-warning);
}

.registry-name {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
}

.registry-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  color: var(--color-primary);
  text-decoration: none;
  word-break: break-all;
}

.registry-link:hover {
  text-decoration: underline;
}

.registry-message {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* VulnerableCode Link */
:root {
  --color-security: #d97706;
  --color-security-dark: #b45309;
}

.vulnerablecode-result {
  padding: 1rem 1.5rem;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-left: 4px solid var(--color-security);
  border-radius: var(--radius);
  margin-top: 1.5rem;
}

.vulnerablecode-name {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
}

.vulnerablecode-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-security);
  text-decoration: none;
  transition: color 0.15s;
}

.vulnerablecode-link:hover {
  color: var(--color-security-dark);
  text-decoration: underline;
}

.vulnerablecode-link .shield-icon {
  flex-shrink: 0;
}

.vulnerablecode-link .external-icon {
  flex-shrink: 0;
  opacity: 0.7;
}

/* Badge Section */
.badge-section {
  margin-top: 1.5rem;
  padding: 1rem 1.5rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.badge-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--color-text);
}

.badge-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.badge-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.badge-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.badge-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.badge-preview {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-preview a {
  display: inline-flex;
}

.badge-preview img {
  height: 20px;
}

.badge-markdown {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.badge-markdown-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
}

.badge-copy-button {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  color: var(--color-primary);
  background: white;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.badge-copy-button:hover {
  background: var(--color-primary);
  color: white;
}

.badge-copy-button.copied {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

/* Components Display */
.components-section {
  margin-bottom: 1.5rem;
}

.components-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--color-text);
}

.components-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

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

.components-table th {
  font-weight: 600;
  color: var(--color-text-muted);
  width: 120px;
}

.components-table td {
  font-family: var(--font-mono);
  word-break: break-all;
}

.components-table tr:last-child th,
.components-table tr:last-child td {
  border-bottom: none;
}

/* Error Display */
.error-result {
  padding: 1rem 1.5rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-left: 4px solid var(--color-error);
  border-radius: var(--radius);
  color: var(--color-error);
}

.error-result p {
  margin: 0;
}

/* Share Section */
.share-section {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.share-url {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.share-input {
  flex: 1;
  min-width: 200px;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
}

.copy-button {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--color-primary);
  background: white;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
}

.copy-button:hover {
  background: var(--color-primary);
  color: white;
}

.copy-button.copied {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

/* Examples Section */
.examples-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.examples-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.examples-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.example-link {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-primary);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.15s;
}

.example-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* PurlDB Section */
.purldb-section {
  margin-top: 1.5rem;
  padding: 1rem 1.5rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.purldb-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--color-text);
}

.purldb-prompt {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.purldb-load-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-bg);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
}

.purldb-load-button:hover {
  background: var(--color-primary);
  color: white;
}

.purldb-load-button .purldb-icon {
  flex-shrink: 0;
}

.purldb-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.purldb-loading {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--color-text-muted);
  padding: 1rem 0;
}

.purldb-loading-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.purldb-direct-link {
  color: var(--color-link);
  text-decoration: none;
  font-size: 0.9rem;
}

.purldb-direct-link:hover {
  text-decoration: underline;
}

.loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.purldb-error {
  padding: 0.75rem 1rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  color: var(--color-error);
  font-size: 0.875rem;
}

.purldb-empty {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-style: italic;
  margin: 0;
}

.purldb-subsection {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.purldb-subsection:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.purldb-heading {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

/* License Badge */
.license-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-success);
  color: white;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
}

.license-badge .license-link {
  color: white;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.license-badge .license-link:hover {
  text-decoration-thickness: 2px;
}

.license-badge .license-operator {
  opacity: 0.8;
  font-weight: 400;
}

/* PurlDB Link */
.purldb-link-section {
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
}

.purldb-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.purldb-link:hover {
  text-decoration: underline;
}

/* Version List */
.version-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.version-list-expanded {
  max-height: 300px;
  overflow-y: auto;
}

.version-item {
  margin: 0;
}

.version-link {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-primary);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.15s;
}

.version-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.version-current .version-link {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  font-weight: 600;
}

.version-show-all,
.version-show-less {
  margin-top: 0.75rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
}

.version-show-all:hover,
.version-show-less:hover {
  background: var(--color-primary);
  color: white;
}

/* Metadata List */
.metadata-list {
  margin: 0;
  font-size: 0.875rem;
}

.metadata-list dt {
  font-weight: 600;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

.metadata-list dt:first-child {
  margin-top: 0;
}

.metadata-list dd {
  margin: 0.25rem 0 0;
  color: var(--color-text);
}

.external-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-primary);
  text-decoration: none;
  word-break: break-all;
}

.external-link:hover {
  text-decoration: underline;
}

.external-icon {
  flex-shrink: 0;
  opacity: 0.7;
}

.keywords-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.keyword-tag {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-muted);
}

/* Dependencies */
.dependency-group {
  margin-bottom: 1rem;
}

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

.dependency-scope {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 0.5rem;
  text-transform: capitalize;
}

.dependency-count {
  font-weight: 400;
  color: var(--color-text-muted);
}

.dependency-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.dependency-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.dependency-link {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--color-primary);
  text-decoration: none;
  word-break: break-all;
}

.dependency-link:hover {
  text-decoration: underline;
}

.dep-badge {
  display: inline-block;
  padding: 0.0625rem 0.375rem;
  font-size: 0.625rem;
  font-weight: 500;
  border-radius: 3px;
  text-transform: uppercase;
}

.dep-optional {
  background: #fef3c7;
  color: #92400e;
}

/* Responsive */
@media (max-width: 600px) {
  .site-header {
    padding: 1rem 0;
  }

  .site-title {
    font-size: 1.5rem;
  }

  .input-wrapper {
    flex-direction: column;
  }

  .parse-button {
    width: 100%;
  }

  .components-table th {
    width: 100px;
  }

  .share-url {
    flex-direction: column;
  }

  .copy-button {
    width: 100%;
  }
}