globals.css

/* ============================================
   Ark Paper Global Styles
   ============================================ */

/* Ark Paper Design Tokens */
@import './tokens.css';

/* Tailwind CSS */
@import 'tailwindcss';

:root {
  --mobile-bottom-nav-height: 0px;
  --mobile-bottom-nav-offset: 0px;
}

/* ===== Site Shell ===== */

.ark-site-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  padding: 2.5rem 2rem;
}

.ark-site-grid {
  display: grid;
  min-height: calc(100dvh - 5rem);
  grid-template-columns: minmax(0, 2fr) minmax(0, 6fr) minmax(0, 4fr);
  column-gap: 2.5rem;
  align-items: start;
}

.ark-site-identity {
  display: flex;
  grid-column: 1;
  grid-row: 1;
  pointer-events: none;
  position: sticky;
  top: 2.5rem;
  align-self: start;
  flex-direction: column;
  height: calc(100dvh - 5rem);
}

.ark-site-brand-link {
  display: flex;
  align-items: center;
  min-height: 3rem;
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-tight);
  pointer-events: auto;
}

.ark-site-content {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
}

.ark-site-footer {
  grid-column: 1;
  grid-row: 1;
  position: sticky;
  top: 2.5rem;
  height: calc(100dvh - 5rem);
  align-self: end;
}

.ark-site-footer .ark-site-external-links {
  height: 100%;
  justify-content: flex-end;
}

.ark-home-statement {
  max-width: 34rem;
  margin: 0;
  color: var(--color-text-primary);
  font-family: var(--font-sans-emoji);
  font-size: var(--text-reading);
  font-weight: var(--font-medium);
  line-height: var(--leading-prose);
  letter-spacing: -0.01em;
}

.ark-home-statement-service-link {
  color: inherit;
  text-decoration-line: underline;
  text-underline-offset: 0.125rem;
}

.ark-home-statement-service-link:hover {
  color: var(--color-text-secondary);
}

.ark-route-error {
  min-height: calc(100dvh - 5rem);
}

.ark-route-error-content {
  padding-top: 0.25rem;
}

.ark-route-error-label {
  margin: 0;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wide);
  line-height: 1.25rem;
}

.ark-route-error-title {
  margin: 1rem 0 0;
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-tight);
  line-height: 1.5rem;
}

.ark-route-error-description {
  max-width: 32rem;
  margin: 0.5rem 0 0;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5rem;
}

.ark-route-error-retry {
  margin-top: 1.5rem;
  padding: 0;
  border: 0;
  color: var(--color-text-primary);
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1.5rem;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.1875rem;
  cursor: pointer;
}

.ark-route-error-retry:hover {
  color: var(--color-text-secondary);
}

.ark-route-error-retry:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 0.25rem;
}

.ark-site-navigation {
  display: flex;
  grid-column: 3;
  grid-row: 1;
  flex-direction: column;
  align-items: flex-start;
}

.ark-site-primary-link {
  display: block;
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1.5rem;
}

.ark-site-primary-link[aria-current='page'] {
  font-weight: var(--font-semibold);
}

.ark-site-external-links {
  display: flex;
  flex-direction: column;
  margin-top: 0;
  pointer-events: auto;
}

.ark-site-external-link {
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  line-height: 1.5rem;
}

.ark-article-toc {
  margin: var(--space-12) 0;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.ark-article-toc-title {
  margin: 0 0 var(--space-4);
  color: var(--color-grey-500);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wide);
}

.ark-article-toc-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.ark-article-toc-link {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-1) 0;
  color: var(--color-grey-600);
  font-family: var(--font-sans-emoji);
  font-size: var(--text-sm);
  line-height: 1.5rem;
  transition: color var(--duration-150) var(--ease-default);
}

.ark-article-toc-link:hover {
  color: var(--color-grey-900);
}

.ark-article-toc-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 0.25rem;
}

.ark-article-toc-link-level-3 {
  padding-left: var(--space-4);
}

.ark-article-toc-link-level-4 {
  padding-left: var(--space-8);
}

.ark-article-toc-link-active {
  color: var(--color-accent);
  font-weight: var(--font-medium);
}

.ark-article-toc-number {
  flex-shrink: 0;
  color: var(--color-grey-400);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.5rem;
}

/* ===== Article Entry ===== */

.ark-article {
  padding-top: var(--space-8);
}

.ark-article-header {
  margin-bottom: var(--space-8);
}

.ark-article-title {
  margin: 0;
  color: var(--color-text-primary);
  font-size: var(--text-article-title);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  text-wrap: balance;
}

.ark-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  color: var(--color-text-tertiary);
  font-size: var(--text-meta);
  line-height: var(--leading-normal);
}

/* ===== Local Fonts ===== */

/* Pretendard - Base UI Font (variable) */
@font-face {
  font-family: 'Pretendard';
  src: url('/fonts/PretendardVariable.woff2') format('woff2-variations');
  font-weight: 45 920;
  font-style: normal;
  font-display: optional;
}

/* JetBrains Mono - Code Font */
@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: optional;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/JetBrainsMono-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: optional;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/JetBrainsMono-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: optional;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/JetBrainsMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: optional;
}

/* ===== Base Styles ===== */
@layer base {
  html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    transition:
      background-color var(--duration-150) var(--ease-default),
      color var(--duration-150) var(--ease-default);
    overflow-x: hidden;
    margin: 0;
    padding: 0;
  }

  /* Typography defaults */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-family: var(--font-sans);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-grey-900);
    letter-spacing: var(--tracking-tight);
  }

  h1 {
    font-size: var(--text-4xl);
  }

  h2 {
    font-size: var(--text-3xl);
  }

  h3 {
    font-size: var(--text-2xl);
  }

  h4 {
    font-size: var(--text-xl);
  }

  h5 {
    font-size: var(--text-lg);
  }

  h6 {
    font-size: var(--text-md);
  }

  p {
    margin-bottom: 1rem;
    line-height: var(--leading-relaxed);
  }

  a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--duration-150) var(--ease-default);
  }

  a:hover {
    color: var(--color-accent-hover);
  }

  /* Code */
  code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background-color: var(--color-grey-100);
    color: var(--color-grey-800);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
  }

  pre {
    font-family: var(--font-mono);
    background-color: var(--color-code-bg);
    color: var(--color-code-fg);
    padding: 1rem;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 1.5rem 0;
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
  }

  pre code {
    background-color: transparent;
    padding: 0;
    color: inherit;
  }

  /* Lists */
  ul,
  ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
  }

  li {
    margin-bottom: 0.5rem;
    line-height: var(--leading-relaxed);
  }

  /* Blockquotes */
  blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    background-color: var(--color-grey-50);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--color-text-secondary);
  }

  blockquote p {
    margin-bottom: 0;
  }

  /* Tables */
  table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: var(--text-sm);
  }

  th,
  td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-grey-200);
  }

  th {
    font-weight: var(--font-semibold);
    color: var(--color-grey-900);
    background-color: var(--color-grey-50);
  }

  td {
    color: var(--color-text-secondary);
  }

  tr:hover td {
    background-color: var(--color-grey-50);
  }

  /* Horizontal Rules */
  hr {
    border: none;
    border-top: 1px solid var(--color-grey-200);
    margin: 2rem 0;
  }

  /* Buttons */
  button {
    font-family: var(--font-sans);
    cursor: pointer;
    border: none;
    outline: none;
  }

  /* Images */
  img {
    max-width: 100%;
    height: auto;
  }
}

/* ===== Focus Styles (Accessibility) ===== */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== Selection ===== */
::selection {
  background-color: var(--color-selection-bg);
  color: var(--color-grey-900);
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-grey-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-grey-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-grey-400);
}

/* ===== Prose (MDX Content) ===== */
.prose {
  max-width: none;
  font-family: var(--font-sans-emoji);
  color: var(--color-text-primary);
  font-size: var(--text-reading);
  line-height: var(--leading-prose);
}

.prose p {
  margin-bottom: 1.35rem;
  color: var(--color-text-secondary);
  line-height: var(--leading-prose);
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  font-family: var(--font-sans-emoji);
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  margin-top: 3rem;
  margin-bottom: 1.125rem;
  scroll-margin-top: 6rem;
}

.prose h1 {
  font-size: var(--text-prose-h1);
  margin-top: 0;
}

.prose h2 {
  font-size: var(--text-prose-h2);
}

.prose h3 {
  font-size: var(--text-prose-h3);
}

.prose h4 {
  font-size: var(--text-prose-h4);
}

.prose h5 {
  font-size: var(--text-prose-h5);
}

.prose h6 {
  font-size: var(--text-prose-h6);
}

.prose strong,
.prose b {
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--duration-150) var(--ease-default);
}

.prose a:hover {
  color: var(--color-accent-hover);
}

.prose ul,
.prose ol {
  padding-left: 1.5rem;
  margin: 1.125rem 0 1.5rem;
}

.prose ul {
  list-style-type: disc;
}

.prose ol {
  list-style-type: decimal;
}

.prose li {
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
  line-height: var(--leading-prose);
}

.prose li::marker {
  color: var(--color-text-disabled);
}

.prose .resource-links {
  display: grid;
  gap: 0.875rem;
  margin: 1.125rem 0 1.75rem;
}

.prose .resource-links dt {
  margin: 0;
  color: var(--color-grey-700);
  font-weight: var(--font-medium);
  line-height: var(--leading-normal);
}

.prose .resource-links dd {
  position: relative;
  margin: -0.375rem 0 0 1rem;
  color: var(--color-grey-700);
  line-height: var(--leading-prose);
}

.prose .resource-links dd + dd {
  margin-top: -0.625rem;
}

.prose .resource-links dd::before {
  content: '';
  position: absolute;
  top: 0.85em;
  left: -0.875rem;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: var(--radius-full);
  background: var(--color-grey-400);
}

.prose blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 1.125rem 1.25rem;
  margin: 1.75rem 0;
  background-color: var(--color-bg-secondary);
  border-radius: 0 var(--radius-content) var(--radius-content) 0;
  color: var(--color-text-secondary);
  font-style: normal;
}

.prose blockquote p {
  margin: 0;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--color-code-inline-bg);
  color: var(--color-code-inline-fg);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-action);
}

.prose :not(pre) > code {
  background-color: var(--color-code-inline-bg);
  color: var(--color-code-inline-fg);
}

/* Inline code should not have background if it's inside pre */
.prose pre code {
  background-color: transparent;
  padding: 0;
  color: inherit;
  border-radius: 0;
  font-size: inherit;
  display: grid;
  /* For line highlighting to work correctly */
}

.prose pre {
  padding: 1.25rem 0;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.75rem 0;
  font-size: var(--text-code);
  line-height: 1.7;
  background-color: var(--color-code-bg) !important;
  /* Force consistent background */
  color: var(--color-code-fg);
}

.prose pre [data-line] {
  padding: 0 1.25rem;
  border-left: 2px solid transparent;
}

.prose pre [data-highlighted-line] {
  background-color: var(--color-code-highlight);
  border-left-color: var(--color-accent);
}

.prose [data-rehype-pretty-code-figure] {
  margin: 1.75rem 0;
}

.prose [data-rehype-pretty-code-title] {
  background-color: var(--color-code-title-bg);
  color: var(--color-code-title-fg);
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
  border-bottom: 1px solid var(--color-code-divider);
  margin-bottom: -1.5rem;
  position: relative;
  z-index: 1;
}

.prose [data-rehype-pretty-code-title] + pre {
  margin-top: 0;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.prose .mermaid-shell {
  margin: 1.5rem 0;
  border: 1px solid var(--color-grey-200);
  border-radius: var(--radius-md);
  background-color: var(--color-grey-50);
}

.prose .mermaid-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--color-grey-200);
  background-color: var(--color-bg-primary);
}

.prose .mermaid-btn {
  border: 1px solid var(--color-grey-300);
  background-color: var(--color-bg-primary);
  color: var(--color-grey-700);
  border-radius: 0.5rem;
  padding: 0.25rem 0.625rem;
  font-size: var(--text-xs);
  cursor: pointer;
}

.prose .mermaid-btn-primary {
  margin-left: auto;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.prose .mermaid-zoom-label {
  font-size: var(--text-xs);
  color: var(--color-grey-600);
  min-width: 2.75rem;
  text-align: center;
}

.prose .mermaid-viewport {
  overflow: auto;
  max-height: 28rem;
  cursor: grab;
  padding: 1rem;
}

.prose .mermaid-viewport:active {
  cursor: grabbing;
}

.prose .mermaid-diagram {
  width: max-content;
}

.prose .mermaid-diagram svg {
  display: block;
  margin: 0;
}

.prose .mermaid-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.prose .mermaid-modal-panel {
  width: min(96vw, 1200px);
  height: min(90vh, 860px);
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-grey-200);
  display: flex;
  flex-direction: column;
}

.prose .mermaid-viewport-fullscreen {
  flex: 1;
  max-height: none;
}

.prose .mermaid-fallback {
  margin: 1.5rem 0;
}

.prose .workflow-scroll-root {
  position: relative;
  margin: 1.5rem 0;
}

.prose .workflow-scroll-sticky {
  position: sticky;
  top: 6rem;
  border: 1px solid var(--color-grey-200);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
  padding: 1rem;
}

.prose .workflow-scroll-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-grey-600);
  margin-bottom: 0.5rem;
}

.prose .workflow-scroll-track {
  width: 100%;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--color-grey-100);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.prose .workflow-scroll-fill {
  height: 100%;
  background: var(--color-accent);
  transition: width 180ms ease;
}

.prose .workflow-scroll-row {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.prose .workflow-step {
  flex: 0 0 auto;
  min-width: 9.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  border: 1px solid var(--color-grey-200);
  border-radius: 0.5rem;
  background: var(--color-grey-50);
  padding: 0.625rem 0.75rem;
  opacity: 0.45;
  transition:
    opacity 180ms ease,
    border-color 180ms ease;
}

.prose .workflow-step.is-active {
  opacity: 1;
  border-color: var(--color-accent);
}

.prose .workflow-step-id {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.prose .workflow-step-title {
  font-size: var(--text-sm);
  color: var(--color-grey-800);
  line-height: 1.3;
}

.prose .workflow-scroll-detail {
  margin-top: 0.875rem;
  border-top: 1px solid var(--color-grey-200);
  padding-top: 0.875rem;
}

.prose .workflow-scroll-detail h4 {
  margin: 0;
  font-size: var(--text-base);
  color: var(--color-grey-900);
}

.prose .workflow-scroll-detail p {
  margin: 0.5rem 0 0;
  font-size: var(--text-sm);
  color: var(--color-grey-700);
}

/* Shiki fixed ink-surface mapping */
.prose pre code span {
  color: var(--shiki-dark);
}

.prose table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: var(--text-code);
}

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

.prose th {
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
}

.prose td {
  color: var(--color-text-secondary);
}

.prose hr {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: 3rem 0;
}

.prose img {
  border-radius: var(--radius-content);
  margin: 1.75rem 0;
}

@media (prefers-contrast: more) {
  .prose a {
    text-decoration-thickness: 2px;
  }

  .prose blockquote {
    border-left-width: 4px;
  }
}

/* ===== Custom Animations ===== */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

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

  to {
    transform: rotate(360deg);
  }
}

@keyframes scroll-wheel-drag {
  0% {
    transform: translateY(-4px);
    opacity: 0.25;
  }

  45% {
    transform: translateY(-1px);
    opacity: 1;
  }

  100% {
    transform: translateY(1px);
    opacity: 0.3;
  }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-scroll-wheel-drag {
  animation: scroll-wheel-drag 1.2s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}

/* ===== Utility Classes ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@layer utilities {
  .animate-cursor-blink {
    animation: cursor-blink 1s step-end infinite;
  }
}

@keyframes cursor-blink {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

@layer utilities {
  .animate-fade-in {
    animation: fade-in 1s ease-out forwards;
    opacity: 0;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}