/* Content-edit dialog — mirrors the image-modal approach on this page */
.itomed-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:2000;display:none;align-items:center;justify-content:center}
.itomed-overlay.open{display:flex}
.itomed-overlay .itomed-dialog{background:#fff;color:#222;border-radius:8px;box-shadow:0 8px 30px rgba(0,0,0,.35);width:min(640px,92vw);max-height:90vh;display:flex;flex-direction:column}
.itomed-overlay .hd{padding:12px 16px;border-bottom:1px solid #ddd;display:flex;justify-content:space-between;align-items:center;gap:10px}
.itomed-overlay .hd .ttl{font-weight:600;font-size:15px}
.itomed-overlay .hd .sub{font-size:12px;color:#666;word-break:break-all;margin-top:2px}
.itomed-overlay label{font-weight:600;font-size:13px;margin:12px 16px 4px}
.itomed-overlay input,.itomed-overlay textarea{margin:0 16px;padding:8px;border:1px solid #ccc;border-radius:4px;font:14px/1.4 inherit;box-sizing:border-box;width:calc(100% - 32px)}
.itomed-overlay textarea{min-height:170px;resize:vertical}
.itomed-overlay .ft{padding:12px 16px;border-top:1px solid #ddd;display:flex;gap:8px;align-items:center;justify-content:flex-end}
.itomed-overlay .ft .msg{margin-right:auto;font-size:12px;color:#c00;white-space:pre-wrap}
.itomed-overlay .ft .msg.ok{color:#0a7d33}
.itomed-overlay button{padding:8px 14px;border:0;border-radius:4px;cursor:pointer;color:#fff;background:#0854a0}
.itomed-overlay button.sec{background:#6c757d}
.itomed-overlay button[disabled]{opacity:.5;cursor:default}

        .mdContent {
            animation: fadeIn 0.5s ease-in;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Markdown styling */
        .mdContent h1 {
            color: var(--primary-color);
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.5rem;
            margin: 2rem 0 1rem;
            font-size: 2.2rem;
        }

        .mdContent h2 {
            color: var(--primary-color);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
            font-size: 1.8rem;
        }

        .mdContent h3 {
            color: var(--secondary-color);
            margin: 1.5rem 0 0.8rem;
            font-size: 1.4rem;
        }

        .mdContent h4 {
            color: var(--primary-color);
            margin: 1.2rem 0 0.6rem;
            font-size: 1.2rem;
        }

        .mdContent p {
            margin: 1rem 0;
            font-size: 1.05rem;
        }

        .mdContent ul, .mdContent ol {
            margin: 1rem 0;
            padding-left: 4rem !important;
        }
        .toc ul, .toc ol {
            margin: 1rem 0;
            padding-left: 0.5rem  !important;
        }

        .mdContent li {
            margin: 0.5rem 0;
        }

        .mdContent blockquote {
            border-left: 4px solid var(--secondary-color);
            padding-left: 1rem;
            margin: 1.5rem 0;
            color: #666;
            font-style: italic;
            background: var(--code-bg);
            padding: 1rem;
            border-radius: 0 5px 5px 0;
        }

        .mdContent code {
            background-color: var(--code-bg);
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
            font-size: 0.9em;
            color: #d63384;
        }

        .mdContent pre {
            background-color: #282c34;
            color: #abb2bf;
            padding: 1.5rem;
            border-radius: 8px;
            overflow-x: auto;
            margin: 1.5rem 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .mdContent pre code {
            background: none;
            padding: 0;
            color: inherit;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .mdContent table {
            width: 100%;
            table-layout: fixed;
            border-collapse: collapse;
            margin: 1.5rem 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        .mdContent table img {
            max-width: 100%;
            height: auto;
        }

        .mdContent th, .mdContent td {
            border: 1px solid var(--border-color);
            padding: 0.8rem;
            text-align: left;
        }

        .mdContent th {
            background-color: var(--secondary-color);
            color: white;
            font-weight: 600;
        }

        .mdContent tr:nth-child(even) {
            background-color: var(--code-bg);
        }

        .mdContent hr {
            border: none;
            border-top: 2px solid var(--border-color);
            margin: 2rem 0;
        }

        .mdContent strong {
            color: var(--accent-color);
            font-weight: 600;
        }

        .mdContent a {
            color: var(--secondary-color);
            text-decoration: none;
            border-bottom: 1px dotted var(--secondary-color);
            transition: all 0.2s;
        }

        .mdContent a:hover {
            color: var(--primary-color);
            border-bottom-style: solid;
        }

        .loading {
            text-align: center;
            padding: 3rem;
            color: var(--secondary-color);
            font-size: 1.2rem;
        }

        .error {
            background-color: #ffe6e6;
            color: var(--accent-color);
            padding: 1rem;
            border-radius: 5px;
            border-left: 4px solid var(--accent-color);
            margin: 1rem 0;
        }

        .metadata {
            background-color: var(--code-bg);
            padding: 1rem;
            border-radius: 5px;
            margin-bottom: 2rem;
            font-size: 0.9rem;
            color: #666;
            border-left: 4px solid var(--secondary-color);
        }

        .metadata strong {
            color: var(--primary-color);
        }

        footer {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            color: #666;
            font-size: 0.9rem;
        }

        /* Syntax highlighting for code blocks */
        .token.comment { color: #5c6370; font-style: italic; }
        .token.function { color: #61afef; }
        .token.keyword { color: #c678dd; }
        .token.string { color: #98c379; }
        .token.number { color: #d19a66; }
        .token.class { color: #e5c07b; }
        :root {
            --toc-width: 280px;
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
        }

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


        /* Level indentation = a tree */
        .toc .h1 { margin-top: 1.8rem; margin-bottom: 0.2rem; }
        .toc .h2 { margin-top: 0.2rem; margin-bottom: 0.2rem; }
        .toc a.h1 { padding-left: 0.4rem; font-size: 1.1rem; font-size: 1.2rem; }
        .toc a.h2 { padding-left: 0.8rem; font-size: 1.0rem; }
        .toc a.h3 { padding-left: 1.2rem; font-size: 1.0rem; color: rgba(255,255,255,0.7); }
        .toc a.h4 { padding-left: 1.4rem; font-size: 0.9rem; color: rgba(255,255,255,0.6); }
        .toc a.h5 { padding-left: 1.6rem; font-size: 0.8rem; color: rgba(255,255,255,0.6); }

        .layout {
            display: flex;
            min-height: 100vh;
        }

        /* ===== Left TOC sidebar ===== */
        .toc {
            width: var(--toc-width);
            flex-shrink: 0;
            position: sticky;
            top: 0;
            height: 100vh;
            overflow-y: auto;
            background: var(--primary-color);
            padding: 1.2rem 0.9rem;
        }

        .toc-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            padding: 0 0.6rem 0.9rem;
            border-bottom: 1px solid rgba(255,255,255,0.15);
            margin-bottom: 0.8rem;
        }

        .toc ul {
            list-style: none;
        }

        .toc a {
            display: block;
            color: rgba(255,255,255,0.82);
            text-decoration: none;
            padding: 0.3rem 0.6rem;
            border-left: 2px solid transparent;
            font-size: 0.82rem;
            line-height: 1.0;
            transition: color 0.15s, border-color 0.15s, background 0.15s;
        }

        .toc a:hover { color: #fff; }

        .toc a.active {
            color: #fff;
            border-left-color: var(--secondary-color);
            background: rgba(52,152,219,0.15);
        }

        /* Mobile toggle */
        .toc-toggle {
            display: none;
            position: fixed;
            top: 0.6rem;
            left: 0.6rem;
            z-index: 100;
            background: var(--primary-color);
            color: #fff;
            border: none;
            border-radius: 5px;
            padding: 0.5rem 0.8rem;
            cursor: pointer;
            font-size: 0.9rem;
        }

        /* ===== Content column ===== */


        .content1 { /* ===== deactive ===== */
            flex: 1;
            min-width: 0;
            padding: 2rem 2.5rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .toc .container1 {  /* ===== deactive ===== */
            width: auto;
            max-width: 100%;
            min-width: 0;
            background: white;
            padding: .4rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        /* Reduce heading top-margin so jump targets land off-screen less */
        .mdContent h1, .mdContent h2, .mdContent h3, .mdContent h4 {
            scroll-margin-top: 0.5rem;
        }

        @media (max-width: 820px) {
            .toc {
                position: fixed;
                left: 0;
                top: 0;
                transform: translateX(-100%);
                transition: transform 0.25s ease;
                box-shadow: 2px 0 10px rgba(0,0,0,0.2);
                z-index: 99;
            }
            body.nav-open .toc { transform: translateX(0); }
            .toc-toggle { display: block; }
            .content { padding: 3.5rem 1rem 1rem; }
        }