/* ═══════════════════════════════════════════════════════════
   GITBOOK CLONE - Exact Colors (UPDATED)
   - Fix figcaption look + spacing
   - Prevent content/images from overflowing into TOC
   - Constrain central content area
   ═══════════════════════════════════════════════════════════ */

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

:root {
    --bg-body: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-card: #f5f5f5;
    --bg-card-hover: #e8e8e8;
    --bg-input: #f0f0f0;
    --text-primary: #111111;
    --text-secondary: #5c5c5c;
    --text-muted: #8a8a8a;
    --text-sidebar: #5c5c5c;
    --text-sidebar-hover: #111111;
    --border-color: #e8e8e8;
    --border-light: #f0f0f0;
    --border-card: #d1d1d1;
    --accent: #5c6bc0;
    --pink: #ffffffb1;
    --pink-bg: rgba(255, 255, 255, 0.1);
    --nav-hover-bg: rgba(0,0,0,0.04);
    --nav-active-bg: rgba(0,0,0,0.06);
    --nav-active-text: var(--text-primary);

    --sidebar-width: 265px;
    --header-height: 64px;

    /* UPDATED: central article max width (tune as you like) */
    --content-max: 920px;

    /* UPDATED: toc width + gap */
    --toc-width: 220px;
    --content-toc-gap: 48px;
}

.dark-theme {
    --bg-body: #121314;
    --bg-sidebar: #121314;
    --bg-card: #1e1f20;
    --bg-card-hover: #2a2b2c;
    --bg-input: #1e1f20;
    --text-primary: #e5e7eb;   /* softer than pure white */
    --text-secondary: #b6bcc6; /* slightly dimmer */
    --text-muted: #8b93a1; 
    --text-sidebar: #9ca3af;
    --text-sidebar-hover: #FFFFFF;
    --border-color: #2a2b2c;
    --border-light: #1e1f20;
    --border-card: rgba(255, 255, 255, 0.2);
    --pink-bg: rgba(236, 72, 153, 0.15);
    --nav-hover-bg: rgba(255,255,255,0.06);
    --nav-active-bg: rgba(255,255,255,0.10);
    --nav-active-text: #ffffff;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ═══════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background-color: var(--bg-sidebar);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
}

.header-left { display: flex; align-items: center; }
.logo { display: flex; align-items: center; gap: 14px; }

.logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}

.logo-text {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.header-right { display: flex; align-items: center; }

/* ═══════════════════════════════════════════════════════════
   SEARCH BUTTON - GitBook Style
   ═══════════════════════════════════════════════════════════ */

.search-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background-color: #000000;
    border: 0.5px solid #000000;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.7s ease;
    font-family: inherit;
}

.search-btn:hover {
    border-color: #ffffff;
    background-color: #000000;
}

.search-icon {
    color: #ffffff;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

.search-text { color: #6b7280; font-size: 14px; }

.search-shortcut {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
}

.search-shortcut kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    background-color: #2a2b2c;
    border: 1px solid #3a3b3c;
    border-radius: 5px;
    font-size: 12px;
    font-family: inherit;
    font-weight: 500;
    color: #9ca3af;
}

/* ═══════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════ */

.layout {
    display: blcok;
    padding-top: var(--header-height);
    min-height: 100vh;
}

/* ═══════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════ */

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    overflow-y: auto;
    padding: 24px 12px;
    border-right: 1px solid var(--border-color);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-group { display: flex; flex-direction: column; }
.nav-group.root-level { margin-bottom: 8px; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 8px;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.nav-item:hover{
  background-color: var(--nav-hover-bg);
}
.nav-item:hover .nav-link{
  color: var(--text-primary);   /* keep normal text color */
}

.nav-item.active{
  background-color: var(--nav-active-bg);
}
.nav-item.active .nav-link{
  color: var(--nav-active-text);
  font-weight: 600;
}

/* Expand button */
.nav-expand {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    width: 28px;
    height: 28px;
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    z-index: 5;
    transition: all 0.15s ease;
}

.nav-expand:hover {
    background-color: var(--pink-bg);
    color: var(--pink);
}

.nav-expand:active { background-color: rgba(236, 72, 153, 0.2); }

.nav-expand svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
    pointer-events: none;
}

.nav-group.expanded > .nav-item > .nav-expand svg { transform: rotate(90deg); }

.nav-bullet {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    width: 28px;
    height: 28px;
    color: var(--text-muted);
    font-size: 8px;
    flex-shrink: 0;
}

/* Nav link */
.nav-link {
    flex: 1;
    font-size: 15px;
    color: var(--text-sidebar);
    transition: color 0.15s ease;
    line-height: 1.4;
    padding: 4px 8px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-link:hover { color: var(--text-sidebar-hover); }

/* Submenu */
.nav-submenu {
    display: flex;
    flex-direction: column;
    margin-left: 14px;
    padding-left: 14px;
    border-left: 1px solid var(--border-color);
    gap: 2px;

    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease-out,
                opacity 0.2s ease-out,
                margin-top 0.3s ease-out;
    margin-top: 0;
}

.nav-group.expanded > .nav-submenu {
    max-height: 2000px;
    opacity: 1;
    margin-top: 4px;
    transition: max-height 0.4s ease-in,
                opacity 0.3s ease-in,
                margin-top 0.3s ease-in;
}

.nav-submenu .nav-item { padding: 4px 8px; }
.nav-submenu .nav-link { font-size: 14px; }

/* ═══════════════════════════════════════════════════════════
   MAIN CONTENT (UPDATED to prevent TOC overlap)
   ═══════════════════════════════════════════════════════════ */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: calc(100vh - var(--header-height));

    /* UPDATED: make center + toc a proper flex row */
    display: flex;
    align-items: flex-start;
    gap: var(--content-toc-gap);
}

.content-container {
    /* UPDATED: allow shrinking; remove width:100% behavior */
    flex: 1 1 auto;
    min-width: 0; /* critical in flex layouts */

    padding: 56px 64px;
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}

.page-title {
    font-size: 50px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0;
}

.action-dropdown {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.action-dropdown:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--text-muted);
}

.action-dropdown svg { width: 16px; height: 16px; }
.action-dropdown svg:last-child { width: 12px; height: 12px; }

/* ═══════════════════════════════════════════════════════════
   PAGE LINK CARDS
   ═══════════════════════════════════════════════════════════ */

.page-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 40px;
}

.page-link-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background-color: transparent;
    border: 1px solid var(--border-card);
    border-radius: 10px;
    transition: border-color 0.2s ease;
}

.page-link-card:hover { border-color: var(--pink); }

.link-title {
    font-size: 17px;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.link-arrow {
    color: var(--text-muted);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.page-link-card:hover .link-arrow {
    color: var(--text-secondary);
    transform: translateX(4px);
}

.last-updated {
    margin-top: 56px;
    font-size: 15px;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   ARTICLE CONTENT (UPDATED: max width + wrap + figure/caption)
   ═══════════════════════════════════════════════════════════ */

.article-content {
    font-size: 18px;
    line-height: 1.85;
    color: var(--text-primary);
    font-weight: bold;

    /* UPDATED: hard limit for central reading column */
    max-width: var(--content-max);
}

/* UPDATED: prevent long tokens from overflowing into TOC */
.article-content,
.article-content p,
.article-content li {
    overflow-wrap: anywhere;
    word-break: break-word;
}

.article-content h1 {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 48px 0 16px 0;
    letter-spacing: -0.02em;
}

.article-content h2 {
    font-size: 35px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 40px 0 14px 0;
    letter-spacing: -0.01em;
}

.article-content h3 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 32px 0 12px 0;
}

.article-content h4 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 24px 0 10px 0;
}

.article-content p { margin-bottom: 16px; }

.article-content a {
    color: var(--pink);
    font-weight: 500;
}
.article-content a:hover { text-decoration: underline; }

.article-content ul,
.article-content ol {
    margin: 18px 0;
    padding-left: 28px;
}

.article-content li { margin-bottom: 10px; }

.article-content code {
    background-color: var(--bg-card);
    padding: 3px 8px;
    border-radius: 5px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.95em;
    color: var(--text-primary);

    /* UPDATED: wrap long inline code tokens */
    overflow-wrap: anywhere;
    word-break: break-word;
}

.article-content pre {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px 24px;
    overflow-x: auto;
    margin: 28px 0;
}

.article-content pre code {
    background: none;
    padding: 0;
    font-size: 15.5px;
    line-height: 1.7;

    /* long lines scroll horizontally, not overflow into TOC */
    word-break: normal;
    overflow-wrap: normal;
}

.article-content blockquote {
  border-left: 2.9px solid rgba(255,255,255,0.18);
  padding: 14px 18px;        /* top/bottom + right */
  padding-left: 18px;        /* ensures gap from the bar */
  margin: 28px 0;
}

.article-content blockquote p:last-child { margin-bottom: 0; }

/* UPDATED: figure/image/caption so caption sits right under image (no gray bar) */
.article-content figure{
  margin: 22px 0;
  display: flex;
  flex-direction: column;
  align-items: center;   /* centers image + caption */
}

.article-content figure img{
  width: auto;           /* don’t stretch full width */
  max-width: 100%;
  max-height: 520px;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0;
}

.article-content figure figcaption {
    margin-top: 8px;
    padding: 0;
    background: transparent;
    color: var(--text-muted);
    font-size: 16px;
    font-style: italic;
    font-weight: normal;
    text-align: center;   /* change to center if you prefer */
}

.article-content figure figcaption:empty { display: none; }

.article-content hr {
    border: none;
    height: 1px;
    background-color: var(--border-color);
    margin: 48px 0;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
}

.article-content th,
.article-content td {
    border: 1px solid var(--border-color);
    padding: 14px 18px;
    text-align: left;
}

.article-content th {
    background-color: var(--bg-card);
    font-weight: 600;
    color: var(--text-primary);
}

.article-content tr:hover td { background-color: var(--bg-card); }

/* ═══════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════ */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Firefox */
* { scrollbar-width: thin; scrollbar-color: var(--border-color) transparent; }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 1100px) {
    .content-container { padding: 40px 36px; }
    .page-title { font-size: 36px; }
}

@media (max-width: 900px) {
    :root { --sidebar-width: 240px; }
    .content-container { padding: 32px 28px; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 200;
        width: 280px;
    }

    .sidebar.open { transform: translateX(0); }

    .main-content { margin-left: 0; gap: 0; } /* TOC hidden below anyway */
    .content-container { padding: 28px 20px; }

    .page-title { font-size: 30px; }

    .search-text,
    .search-shortcut { display: none; }

    .page-link-card { padding: 18px 22px; }
    .link-title { font-size: 16px; }
}

/* ═══════════════════════════════════════════════════════════
   FOCUS & ACCESSIBILITY
   ═══════════════════════════════════════════════════════════ */

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--pink);
    outline-offset: 2px;
}

::selection { background-color: var(--pink); color: white; }

/* ═══════════════════════════════════════════════════════════
   SEARCH MODAL
   ═══════════════════════════════════════════════════════════ */

.search-modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.search-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-modal {
    width: 100%;
    max-width: 640px;
    background-color: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    max-height: 70vh;
    transform: scale(0.95) translateY(-10px);
    transition: transform 0.2s ease;
}

.search-modal-overlay.active .search-modal {
    transform: scale(1) translateY(0);
}

.search-modal-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    transition: border-color 0.2s ease;
}

.search-input-wrapper:focus-within { border-color: var(--pink); }

.search-input-icon { color: var(--text-muted); flex-shrink: 0; }

.search-modal-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    font-size: 17px;
    font-family: inherit;
    color: var(--text-primary);
}

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

.search-esc {
    padding: 4px 8px;
    background-color: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 12px;
    font-family: inherit;
    color: var(--text-muted);
}

.search-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    min-height: 200px;
}

.search-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    color: var(--text-muted);
    text-align: center;
}

.search-empty-state svg { margin-bottom: 16px; opacity: 0.5; }

.search-empty-state p { font-size: 15px; }
.search-empty-state strong { color: var(--text-secondary); }

.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.search-result-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 10px;
    text-decoration: none;
    transition: background-color 0.15s ease;
}

.search-result-item:hover,
.search-result-item.selected { background-color: var(--bg-card); }

.result-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-card);
    border-radius: 8px;
    color: var(--text-muted);
}

.search-result-item:hover .result-icon,
.search-result-item.selected .result-icon {
    background-color: var(--bg-card-hover);
    color: var(--text-secondary);
}

.result-content { flex: 1; min-width: 0; }

.result-section {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.result-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.3;
}

.result-context {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.result-arrow {
    flex-shrink: 0;
    color: var(--text-muted);
    opacity: 0;
    transition: all 0.15s ease;
}

.search-result-item:hover .result-arrow,
.search-result-item.selected .result-arrow {
    opacity: 1;
    color: var(--text-secondary);
}

.search-highlight {
    background-color: var(--pink);
    color: white;
    padding: 1px 4px;
    border-radius: 3px;
}

.search-modal-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-card);
    border-radius: 0 0 16px 16px;
}

.search-hints { display: flex; align-items: center; gap: 20px; }

.search-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.search-hint kbd {
    padding: 3px 6px;
    background-color: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 11px;
    font-family: inherit;
    color: var(--text-muted);
    min-width: 20px;
    text-align: center;
}

@media (max-width: 768px) {
    .search-modal-overlay { padding: 5vh 16px; }
    .search-modal { max-height: 80vh; }
    .search-modal-input { font-size: 16px; }
    .search-hints { flex-wrap: wrap; gap: 12px; }
    .result-context { -webkit-line-clamp: 1; }
}

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--pink);
    z-index: 1001;
    width: 0%;
    transition: width 0.1s ease;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    margin-bottom: 24px;
}

.breadcrumb-item {
    color: var(--text-muted);
    transition: color 0.15s ease;
}

.breadcrumb-item:hover:not(.current) { color: var(--pink); }

.breadcrumb-item.current { color: var(--text-secondary); }

.breadcrumb-sep { color: var(--text-muted); font-size: 12px; }

/* ═══════════════════════════════════════════════════════════
   TOC (RIGHT BLOCK)
   ═══════════════════════════════════════════════════════════ */

.toc {
    width: var(--toc-width);
    padding: 56px 24px;
    position: sticky;
    top: var(--header-height);
    height: fit-content;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    flex-shrink: 0;
}

.toc-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.toc-nav ul { list-style: none; }
.toc-nav li { margin-bottom: 8px; }

.toc-nav a {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    padding: 4px 0 4px 12px;
    border-left: 2px solid transparent;
    transition: all 0.15s ease;
}

.toc-nav a:hover {
    color: var(--text-primary);
    border-left-color: var(--border-color);
}

.toc-nav a.active {
    color: var(--pink);
    border-left-color: var(--pink);
}

@media (max-width: 1200px) {
    .toc { display: none; }
}

/* ═══════════════════════════════════════════════════════════
   SINGLE POST STYLES
   ═══════════════════════════════════════════════════════════ */

.post-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 32px;
}

.meta-sep { color: var(--text-muted); }

.post-navigation {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.nav-prev,
.nav-next {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s ease;
    max-width: 45%;
}

.nav-prev:hover,
.nav-next:hover {
    border-color: var(--pink);
    background-color: var(--bg-card-hover);
}

.nav-next {
    text-align: right;
    margin-left: auto;
}

.nav-direction { font-size: 13px; color: var(--text-muted); }
.nav-title { font-size: 15px; font-weight: 500; color: var(--text-primary); line-height: 1.4; }
.nav-placeholder { flex: 1; }

@media (max-width: 768px) {
    .post-navigation { flex-direction: column; }
    .nav-prev, .nav-next { max-width: 100%; }
    .nav-next { text-align: left; }
}