html {
  box-sizing: border-box;
  /* Prevent horizontal overflow on the entire page */
  overflow-x: hidden;
  max-width: 100vw;
}

*, *::before, *::after {
  box-sizing: inherit;
  /* Prevent any element from causing horizontal overflow */
  min-width: 0;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  max-width: min(1200px, 100vw);
  margin: 0 auto;
  padding: 16px;
  background: #ffffff;
  color: #000000;
  /* Prevent body overflow */
  overflow-x: hidden;
  box-sizing: border-box;
}

body.dark {
  background: #111827;
  color: #f3f4f6;
}

#root{
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  /* align-items: center; */
}
/* Header */
.header {
  display: flex;
  width:100%;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  color: #1f2937;
}

body.dark .page-title {
  color: #f3f4f6;
}

/* Toolbar */
.toolbar {
  margin-bottom: 12px;
  background: #f9fafb;
  border-radius: 8px;
  flex:1;
  padding: 8px;
  border: 1px solid #e5e7eb;
}

body.dark .toolbar {
  background: #1f2937;
  border-color: #374151;
}

.nav-bar {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
}

.url-form-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 4px;
}

.url-form {
  display: flex;
  gap: 8px;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
}

.url-input-wrapper {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  display: block;
}

.url-form input[type="text"] {
  width: 100%;
  padding: 8px 36px 8px 12px;
  font-size: 15px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  background: #ffffff;
  color: #000000;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.url-form input[type="text"].error {
  border-color: #dc2626;
}

body.dark .url-form input[type="text"] {
  background: #111827;
  border-color: #4b5563;
  color: #f3f4f6;
}

body.dark .url-form input[type="text"].error {
  border-color: #ef4444;
}

.url-error {
  font-size: 12px;
  color: #dc2626;
  padding: 0 4px;
}

body.dark .url-error {
  color: #fca5a5;
}

.submit-btn {
  padding: 8px 16px;
  background: #2563eb;
  color: white;
  border-radius: 6px;
  font-weight: 500;
  min-height: 36px;
  white-space: nowrap;
  flex-shrink: 0;
}

.submit-btn:hover {
  background: #1d4ed8;
}

body.dark .submit-btn {
  background: #3b82f6;
}

body.dark .submit-btn:hover {
  background: #2563eb;
}

/* Buttons */
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 14px;
}

button svg {
  display: block;
}

button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.nav-btn {
  padding: 6px;
  background: #e5e7eb;
  color: #374151;
  border-radius: 6px;
  min-width: 32px;
  min-height: 32px;
}

.nav-btn:hover:not(:disabled) {
  background: #d1d5db;
}

body.dark .nav-btn {
  background: #374151;
  color: #d1d5db;
}

body.dark .nav-btn:hover:not(:disabled) {
  background: #4b5563;
}

.primary-btn {
  padding: 8px 12px;
  background: #2563eb;
  color: white;
  border-radius: 6px;
  min-width: 40px;
  min-height: 36px;
}

.primary-btn:hover {
  background: #1d4ed8;
}

body.dark .primary-btn {
  background: #3b82f6;
}

body.dark .primary-btn:hover {
  background: #2563eb;
}

.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.action-buttons {
  display: flex;
  gap: 6px;
}

.tool-btn {
  padding: 6px 10px;
  background: transparent;
  color: #6b7280;
  border-radius: 6px;
  min-width: 32px;
  min-height: 32px;
}

.tool-btn:hover {
  background: #f3f4f6;
  color: #374151;
}

body.dark .tool-btn {
  color: #9ca3af;
}

body.dark .tool-btn:hover {
  background: #374151;
  color: #d1d5db;
}

.view-controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

#content {
  background: #fff;
  border-radius: 6px;
  line-height: 1.6;
  /* Prevent text overflow */
  word-wrap: break-word;
  overflow-wrap: break-word;
  word-break: break-word;
  /* Ensure container doesn't overflow */
  max-width: 100%;
  overflow-x: auto;
}

/* Dark mode for #content only when NOT using source CSS */
body.dark #content:not(.using-source-css) {
  background: #1f2937;
  color: #f3f4f6;
}

#content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 10px 0;
}

#content svg {
  max-width: 100%;
  height: auto;
}

#content figure {
  margin: 20px 0;
  text-align: center;
}

#content figcaption {
  font-size: 0.9em;
  color: #666;
  margin-top: 8px;
  font-style: italic;
}

#content picture {
  display: block;
  margin: 10px 0;
}

#content pre {
  background: #f4f4f4;
  padding: 15px;
  overflow-x: auto;
}

#content code {
  background: #f4f4f4;
  padding: 2px 6px;
}

#content table {
  border-collapse: collapse;
  width: 100%;
  margin: 15px 0;
  overflow-x: auto;
  display: block;
}

#content thead {
  background: #f8f9fa;
  border-bottom: 2px solid #dee2e6;
}

#content th,
#content td {
  padding: 12px 15px;
  text-align: left;
  border: 1px solid #dee2e6;
}

#content th {
  font-weight: 600;
  color: #212529;
}

#content tr:nth-child(even) {
  background: #f8f9fa;
}

#content tr:hover {
  background: #e9ecef;
}

#content tbody tr {
  border-bottom: 1px solid #dee2e6;
}

/* Wikipedia infobox styling */
#content .infobox {
  display: table !important;
  float: right;
  clear: right;
  margin: 0 0 1em 1em;
  padding: 0.2em;
  border: 1px solid #a2a9b1;
  background-color: #f8f9fa;
  color: #202122;
  font-size: 88%;
  line-height: 1.5em;
  width: 22em;
  border-spacing: 3px;
  border-collapse: separate;
}

body.dark #content:not(.using-source-css) .infobox {
  background-color: #1f2937;
  color: #f3f4f6;
  border-color: #374151;
}

#content .infobox th,
#content .infobox td {
  vertical-align: top;
  padding: 0.2em;
}

#content .infobox th {
  text-align: left;
  font-weight: 600;
}

#content .infobox caption {
  font-size: 125%;
  font-weight: bold;
  padding: 0.2em;
  text-align: center;
}

#loading {
  color: #4b5563;
  margin: 10px 0;
  font-weight: 500;
}

body.dark #loading {
  color: #9ca3af;
}

.htmx-indicator {
  display: none !important;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  display: block !important;
}

/* Loading Spinner */
.loading-spinner {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid #e5e7eb;
  border-top-color: #9ca3af;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  pointer-events: none;
  z-index: 10;
  /* Temporary: always show for testing */
  display: block !important;
}

body.dark .loading-spinner {
  border-color: #374151;
  border-top-color: #6b7280;
}

@keyframes spin {
  0% {
    transform: translateY(-50%) rotate(0deg);
  }
  100% {
    transform: translateY(-50%) rotate(360deg);
  }
}

.links-container {
  background: #f9fafb;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 6px;
  max-height: 300px;
  overflow-y: auto;
}

body.dark .links-container {
  background: #1f2937;
}

.links-container:empty {
  display: none;
}

.links-container pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
  font-family: monospace;
  font-size: 12px;
  line-height: 1.5;
}

body.dark .links-container pre {
  color: #d1d5db;
}

/* Auth UI Styles */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #667eea;
}

.auth-card {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  max-width: 400px;
  width: 100%;
}

.auth-card h1 {
  margin: 0 0 10px 0;
  font-size: 24px;
  color: #333;
  text-align: center;
}

.auth-subtitle {
  text-align: center;
  color: #666;
  margin: 0 0 30px 0;
  font-size: 14px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.auth-input {
  padding: 12px;
  font-size: 16px;
  border: 2px solid #e0e0e0;
  border-radius: 6px;
  transition: border-color 0.2s;
}

.auth-input:focus {
  outline: none;
  border-color: #667eea;
}

.auth-input:disabled {
  background: #f5f5f5;
  cursor: not-allowed;
}

.auth-button {
  padding: 12px;
  font-size: 16px;
  background: #667eea;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
}

.auth-button:hover:not(:disabled) {
  background: #5568d3;
}

.auth-button:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.auth-toggle {
  padding: 8px;
  font-size: 14px;
  background: transparent;
  color: #667eea;
  border: none;
  cursor: pointer;
  text-decoration: underline;
}

.auth-toggle:hover:not(:disabled) {
  color: #5568d3;
}

.auth-error {
  background: #fee;
  color: #c00;
  padding: 10px;
  border-radius: 6px;
  font-size: 14px;
  text-align: center;
}

.auth-info {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #e0e0e0;
}

.auth-info p {
  font-size: 13px;
  color: #666;
  line-height: 1.5;
  margin: 0;
}

.user-info {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 6px 12px;
  background: #f3f4f6;
  border-radius: 6px;
}

body.dark .user-info {
  background: #1f2937;
}

.user-info span {
  font-size: 14px;
  color: #4b5563;
}

body.dark .user-info span {
  color: #9ca3af;
}

.logout-button {
  padding: 6px 12px;
  font-size: 14px;
  background: #dc2626;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.logout-button:hover {
  background: #b91c1c;
}

body.dark .logout-button {
  background: #ef4444;
}

body.dark .logout-button:hover {
  background: #dc2626;
}

/* CSS Info Styles */
.css-info-container {
  background: #f9fafb;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 6px;
  max-height: 500px;
  overflow-y: auto;
}

body.dark .css-info-container {
  background: #1f2937;
}

.css-info-container:empty {
  display: none;
}

.css-stats {
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid #d1d5db;
}

body.dark .css-stats {
  border-bottom-color: #4b5563;
}

.css-stats h3 {
  margin: 0 0 10px 0;
  font-size: 18px;
  color: #1f2937;
}

body.dark .css-stats h3 {
  color: #f3f4f6;
}

.css-stats p {
  margin: 4px 0;
  font-size: 14px;
  color: #4b5563;
}

body.dark .css-stats p {
  color: #9ca3af;
}

.download-css-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 16px;
  background: #16a34a;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
}

.download-css-btn:hover {
  background: #15803d;
}

body.dark .download-css-btn {
  background: #22c55e;
}

body.dark .download-css-btn:hover {
  background: #16a34a;
}

.css-preview {
  background: #111827;
  color: #d1d5db;
  padding: 15px;
  border-radius: 6px;
  overflow-x: auto;
  font-family: monospace;
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
  max-height: 400px;
  overflow-y: auto;
}

body.dark .css-preview {
  background: #030712;
}

/* Image Info Styles */
.image-info-container {
  background: #f9fafb;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 6px;
}

body.dark .image-info-container {
  background: #1f2937;
}

.image-info-container:empty {
  display: none;
}

.image-stats h3 {
  margin: 0 0 15px 0;
  font-size: 18px;
  color: #1f2937;
}

body.dark .image-stats h3 {
  color: #f3f4f6;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 15px;
}

.stat-item {
  background: white;
  padding: 12px;
  border-radius: 6px;
  border-left: 4px solid #2563eb;
}

body.dark .stat-item {
  background: #374151;
}

.stat-label {
  display: block;
  font-size: 12px;
  color: #4b5563;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

body.dark .stat-label {
  color: #9ca3af;
}

.stat-value {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: #1f2937;
}

body.dark .stat-value {
  color: #f3f4f6;
}

.info-note {
  background: #dbeafe;
  border-left: 4px solid #2563eb;
  padding: 12px;
  border-radius: 6px;
  margin-top: 15px;
}

body.dark .info-note {
  background: #374151;
  border-left-color: #3b82f6;
}

.info-note p {
  margin: 6px 0;
  font-size: 14px;
  color: #1f2937;
}

body.dark .info-note p {
  color: #e5e7eb;
}

/* Visibility Stats Styles */
.visibility-info-container {
  background: #f9fafb;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 6px;
}

body.dark .visibility-info-container {
  background: #1f2937;
}

.visibility-info-container:empty {
  display: none;
}

.visibility-stats h3 {
  margin: 0 0 15px 0;
  font-size: 18px;
  color: #1f2937;
}

body.dark .visibility-stats h3 {
  color: #f3f4f6;
}

.visibility-summary {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.progress-circle {
  text-align: center;
}

.progress-circle svg {
  width: 120px;
  height: 120px;
}

.progress-circle p {
  margin-top: 10px;
  font-size: 14px;
  color: #666;
  font-weight: 600;
}

.stat-success {
  border-left-color: #28a745 !important;
}

.stat-warning {
  border-left-color: #ffc107 !important;
}

.stat-info {
  border-left-color: #17a2b8 !important;
}

.info-note code {
  background: #e9ecef;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
}

/* Toggle Controls */
.toggle-control {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  font-weight: 500;
  color: #6b7280;
}

body.dark .toggle-control {
  color: #9ca3af;
}

.toggle-control input[type="checkbox"] {
  appearance: none;
  width: 36px;
  height: 20px;
  background: #d1d5db;
  border-radius: 10px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s ease;
  outline: none;
}

body.dark .toggle-control input[type="checkbox"] {
  background: #4b5563;
}

.toggle-control input[type="checkbox"]::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: transform 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-control input[type="checkbox"]:checked {
  background: #3b82f6;
}

body.dark .toggle-control input[type="checkbox"]:checked {
  background: #2563eb;
}

.toggle-control input[type="checkbox"]:checked::before {
  transform: translateX(16px);
}

.toggle-control:hover input[type="checkbox"] {
  background: #9ca3af;
}

body.dark .toggle-control:hover input[type="checkbox"] {
  background: #6b7280;
}

.toggle-control:hover input[type="checkbox"]:checked {
  background: #2563eb;
}

body.dark .toggle-control:hover input[type="checkbox"]:checked {
  background: #1d4ed8;
}

/* Metadata Panel */
.metadata-panel {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 12px;
  margin: 12px 0;
  display: none;
}

.metadata-panel:not(:empty) {
  display: block;
}

.metadata-item {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.metadata-item:last-child {
  margin-bottom: 0;
}

.metadata-item .label {
  font-weight: 600;
  color: #6b7280;
  min-width: 100px;
}

.metadata-item .value {
  color: #1f2937;
  flex: 1;
}

.metadata-excerpt .value {
  font-style: italic;
  color: #4b5563;
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Dark mode for metadata panel */
body.dark .metadata-panel {
  background: #1f2937;
  border-color: #374151;
}

body.dark .metadata-item .label {
  color: #9ca3af;
}

body.dark .metadata-item .value {
  color: #f3f4f6;
}

body.dark .metadata-excerpt .value {
  color: #d1d5db;
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  font-size: 13px;
  color: #6b7280;
  border-top: 1px solid #e5e7eb;
}

.app-footer a {
  color: #6b7280;
  text-decoration: none;
  transition: color 0.2s;
}

.app-footer a:hover {
  color: #3b82f6;
}

.app-footer span {
  margin: 0 8px;
}

body.dark .app-footer {
  color: #9ca3af;
  border-top-color: #374151;
}

body.dark .app-footer a {
  color: #9ca3af;
}

body.dark .app-footer a:hover {
  color: #60a5fa;
}

/* Documentation styles */
.docs-content kbd {
  display: inline-block;
  padding: 2px 6px;
  font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
  font-size: 0.85em;
  background: #f1f3f5;
  border: 1px solid #ced4da;
  border-radius: 3px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
}

body.dark .docs-content kbd {
  background: #374151;
  border-color: #4b5563;
  color: #f3f4f6;
}

/* ===================================
   RESPONSIVE STYLES FOR MOBILE
   =================================== */

/* Mobile devices (phones) */
@media (max-width: 640px) {
  body {
    padding: 8px;
  }

  /* Header */
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
  }

  .page-title {
    font-size: 18px;
  }

  .user-info {
    width: 100%;
    justify-content: space-between;
    padding: 8px;
  }

  .user-info span {
    font-size: 13px;
  }

  /* Toolbar */
  .toolbar {
    padding: 6px;
  }

  .nav-bar {
    gap: 4px;
    margin-bottom: 6px;
  }

  .nav-btn {
    min-width: 36px;
    min-height: 36px;
    padding: 8px;
  }

  /* URL input form */
  .url-form {
    gap: 4px;
  }

  .url-form input[type="text"] {
    font-size: 14px;
    padding: 10px 36px 10px 10px;
  }

  .submit-btn {
    padding: 10px 12px;
    font-size: 14px;
  }

  /* Controls bar */
  .controls-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .view-controls {
    width: 100%;
    justify-content: flex-start;
  }

  .action-buttons {
    width: 100%;
    justify-content: flex-start;
  }

  /* Content */
  #content {
    padding: 12px;
    font-size: 15px;
  }

  /* Tables - make scrollable on mobile */
  #content table {
    font-size: 14px;
  }

  #content th,
  #content td {
    padding: 8px 10px;
  }

  /* Wikipedia infobox - stack on mobile */
  #content .infobox {
    float: none;
    width: 100%;
    margin: 1em 0;
  }

  /* Metadata panel */
  .metadata-panel {
    padding: 10px;
    font-size: 13px;
  }

  .metadata-item {
    flex-direction: column;
    gap: 4px;
  }

  .metadata-item .label {
    min-width: unset;
  }

  /* Stats grid - single column on mobile */
  .stat-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* Auth card */
  .auth-card {
    padding: 24px;
    margin: 16px;
  }

  .auth-card h1 {
    font-size: 20px;
  }

  /* Footer */
  .app-footer {
    padding: 16px 8px;
    margin-top: 24px;
    font-size: 12px;
  }

  .app-footer span {
    margin: 0 4px;
  }
}

/* Small tablets */
@media (min-width: 641px) and (max-width: 768px) {
  body {
    padding: 10px;
  }

  .page-title {
    font-size: 19px;
  }

  #content {
    padding: 14px;
  }

  /* Tables */
  #content table {
    font-size: 14px;
  }

  /* Infobox - keep floating but reduce width */
  #content .infobox {
    width: 18em;
  }

  /* Stats grid - 2 columns */
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Landscape phones */
@media (max-width: 896px) and (orientation: landscape) {
  .header {
    flex-direction: row;
    justify-content: space-between;
  }

  .controls-bar {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Touch-friendly button sizes */
@media (hover: none) and (pointer: coarse) {
  button {
    min-height: 44px;
    min-width: 44px;
  }

  .nav-btn {
    padding: 10px;
  }

  .submit-btn {
    padding: 12px 16px;
  }

  .toggle-control {
    padding: 8px 0;
  }
}