/* =====================================================================
   TenRusl-Markdown-MD — app.css
   Root Markdown viewer only
   ===================================================================== */

html[data-app="tenrusl-markdown-md"] .layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    min-height: 100vh;
}

html[data-app="tenrusl-markdown-md"] .layout > .main {
    min-width: 0;
}

html[data-app="tenrusl-markdown-md"] .sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: auto;
    padding: 18px 16px 20px;
    border-right: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0)),
        color-mix(in srgb, var(--panel-3) 96%, transparent);
    backdrop-filter: blur(12px);
    box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.02);
    z-index: 30;
}

html[data-app="tenrusl-markdown-md"] .viewer {
    padding: 24px 24px 12px;
}

html[data-app="tenrusl-markdown-md"] .paper {
    max-width: var(--container-lg);
    margin: 0 auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: color-mix(in srgb, var(--panel) 98%, transparent);
    box-shadow: var(--shadow-lg);
}

html[data-app="tenrusl-markdown-md"] .paper-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(31, 111, 235, 0.08), rgba(31, 111, 235, 0)),
        color-mix(in srgb, var(--panel-3) 92%, transparent);
}

html[data-app="tenrusl-markdown-md"] .paper-head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    min-width: 0;
}

html[data-app="tenrusl-markdown-md"] .paper-top h2 {
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    color: var(--heading);
}

html[data-app="tenrusl-markdown-md"] .paper-top p {
    margin: 0;
    font-size: 12px;
    color: var(--muted);
}

html[data-app="tenrusl-markdown-md"] .paper-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

html[data-app="tenrusl-markdown-md"] .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(88, 166, 255, 0.08), rgba(88, 166, 255, 0)), var(--panel);
    box-shadow: var(--shadow-md);
}

html[data-app="tenrusl-markdown-md"] .brand-logo {
    width: 46px;
    height: 46px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border-radius: 14px;
    color: #ffffff;
    font-size: 20px;
    background: linear-gradient(135deg, var(--accent-strong), var(--accent));
    box-shadow: 0 10px 22px rgba(31, 111, 235, 0.34);
}

html[data-app="tenrusl-markdown-md"] .brand-copy {
    min-width: 0;
}

html[data-app="tenrusl-markdown-md"] .brand h1 {
    margin: 0;
    font-size: 15px;
    line-height: 1.28;
    color: var(--heading);
    letter-spacing: 0.01em;
}

html[data-app="tenrusl-markdown-md"] .brand p {
    margin: 4px 0 0;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.35;
}

html[data-app="tenrusl-markdown-md"] .control-grid {
    display: grid;
    gap: 10px;
    margin-bottom: 16px;
}

html[data-app="tenrusl-markdown-md"] .row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

html[data-app="tenrusl-markdown-md"] #fileInput {
    display: none;
}

html[data-app="tenrusl-markdown-md"] .layout :is(button, .btn-like) {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
        color-mix(in srgb, var(--panel) 94%, transparent);
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.16s ease, border-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease,
        background 0.16s ease;
}

html[data-app="tenrusl-markdown-md"] .layout :is(button, .btn-like):hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    color: var(--heading);
    box-shadow: 0 10px 24px rgba(31, 111, 235, 0.16);
}

html[data-app="tenrusl-markdown-md"] .layout :is(button, .btn-like):active {
    transform: translateY(0);
}

html[data-app="tenrusl-markdown-md"] .layout :is(button, .btn-like):disabled {
    opacity: 0.55;
    cursor: not-allowed;
    box-shadow: none;
}

html[data-app="tenrusl-markdown-md"] .layout :is(button, .btn-like) i {
    font-size: 13px;
}

html[data-app="tenrusl-markdown-md"] .btn-like {
    user-select: none;
}

html[data-app="tenrusl-markdown-md"] .pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--panel);
    color: var(--muted);
    font-size: 12px;
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

html[data-app="tenrusl-markdown-md"] #renderMeta {
    align-self: flex-start;
}

html[data-app="tenrusl-markdown-md"] .pill.path {
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--heading);
}

html[data-app="tenrusl-markdown-md"] .search-wrap {
    position: relative;
}

html[data-app="tenrusl-markdown-md"] .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    pointer-events: none;
    font-size: 13px;
}

html[data-app="tenrusl-markdown-md"] .search {
    width: 100%;
    min-height: 44px;
    padding: 11px 12px 11px 36px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--surface-2);
    color: var(--text);
    outline: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

html[data-app="tenrusl-markdown-md"] .search:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-ring);
}

html[data-app="tenrusl-markdown-md"] .toc-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--panel);
    box-shadow: var(--shadow-md);
}

html[data-app="tenrusl-markdown-md"] .toc-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
    color: var(--heading);
    font-size: 13px;
    font-weight: 700;
}

html[data-app="tenrusl-markdown-md"] .toc-head span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

html[data-app="tenrusl-markdown-md"] .toc {
    padding: 8px;
    max-height: calc(100vh - 300px);
    overflow: auto;
}

html[data-app="tenrusl-markdown-md"] .toc a {
    display: block;
    margin: 2px 0;
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    font-size: 13px;
    line-height: 1.35;
    transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease, color 0.16s ease;
}

html[data-app="tenrusl-markdown-md"] .toc a:hover,
html[data-app="tenrusl-markdown-md"] .toc a.active {
    background: var(--accent-soft);
    border-color: rgba(88, 166, 255, 0.22);
    color: var(--heading);
    transform: translateX(1px);
}

html[data-app="tenrusl-markdown-md"] .toc a.lv2 {
    padding-left: 22px;
    font-size: 12.5px;
    color: color-mix(in srgb, var(--text) 88%, transparent);
}

html[data-app="tenrusl-markdown-md"] .toc a.lv3 {
    padding-left: 34px;
    font-size: 12px;
    color: color-mix(in srgb, var(--text) 72%, transparent);
}

html[data-app="tenrusl-markdown-md"] .toc a.hidden {
    display: none;
}

html[data-app="tenrusl-markdown-md"] .topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    min-height: var(--topbar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 22px;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--panel-3) 96%, transparent);
    backdrop-filter: blur(12px);
}

html[data-app="tenrusl-markdown-md"] .topbar-left,
html[data-app="tenrusl-markdown-md"] .topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    min-width: 0;
}

html[data-app="tenrusl-markdown-md"] .topbar-right {
    margin-left: auto;
    justify-content: flex-end;
}

html[data-app="tenrusl-markdown-md"] .mobile-toggle {
    display: none;
}

html[data-app="tenrusl-markdown-md"] #themeToggle {
    position: relative;
}

html[data-app="tenrusl-markdown-md"] .markdown-body {
    max-width: 100%;
    margin: 0;
    padding: 32px 42px 56px;
    background: transparent;
    color: var(--text);
}

html[data-app="tenrusl-markdown-md"] .markdown-body h1,
html[data-app="tenrusl-markdown-md"] .markdown-body h2,
html[data-app="tenrusl-markdown-md"] .markdown-body h3,
html[data-app="tenrusl-markdown-md"] .markdown-body h4,
html[data-app="tenrusl-markdown-md"] .markdown-body h5,
html[data-app="tenrusl-markdown-md"] .markdown-body h6 {
    color: var(--heading);
    scroll-margin-top: 88px;
}

html[data-app="tenrusl-markdown-md"] .markdown-body p,
html[data-app="tenrusl-markdown-md"] .markdown-body li,
html[data-app="tenrusl-markdown-md"] .markdown-body td,
html[data-app="tenrusl-markdown-md"] .markdown-body th {
    color: var(--text);
}

html[data-app="tenrusl-markdown-md"] .markdown-body img {
    border-radius: 10px;
}

html[data-app="tenrusl-markdown-md"] .markdown-body hr {
    border-color: var(--border);
}

html[data-app="tenrusl-markdown-md"] .markdown-body table {
    display: block;
    width: 100%;
    overflow: auto;
    border-collapse: collapse;
}

html[data-app="tenrusl-markdown-md"] .markdown-body table th,
html[data-app="tenrusl-markdown-md"] .markdown-body table td {
    border-color: var(--border);
}

html[data-app="tenrusl-markdown-md"] .markdown-body pre {
    position: relative;
    margin: 16px 0;
    padding-top: 42px;
    border: 1px solid var(--code-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--code-bg);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

html[data-app="tenrusl-markdown-md"] .markdown-body pre code,
html[data-app="tenrusl-markdown-md"] .markdown-body pre code.hljs {
    display: block;
    overflow: auto;
    padding: 0 16px 16px;
    font-size: 13px;
    line-height: 1.55;
    color: var(--code-fg);
    background: transparent !important;
}

html[data-app="tenrusl-markdown-md"] .markdown-body code:not(pre code) {
    color: var(--code-inline-text);
    background: var(--code-inline-bg);
    border: 1px solid var(--code-inline-border);
    border-radius: 6px;
    padding: 0.14em 0.38em;
}

html[data-app="tenrusl-markdown-md"] .markdown-body blockquote {
    border-left-color: var(--accent);
}

html[data-app="tenrusl-markdown-md"] .code-toolbar {
    position: absolute;
    inset: 0 0 auto 0;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px 0 12px;
    border-bottom: 1px solid var(--code-toolbar-border);
    background: var(--code-toolbar-bg);
    color: var(--code-toolbar-text);
    font-size: 12px;
}

html[data-app="tenrusl-markdown-md"] .code-lang {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--code-toolbar-text);
}

html[data-app="tenrusl-markdown-md"] .copy-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 30px;
    padding: 5px 9px;
    border: 1px solid var(--code-button-border);
    border-radius: 8px;
    background: var(--code-button-bg);
    color: var(--code-button-text);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: none;
}

html[data-app="tenrusl-markdown-md"] .copy-btn:hover {
    border-color: var(--accent);
    color: var(--heading);
}

html[data-app="tenrusl-markdown-md"] .copy-btn.done {
    border-color: var(--success);
    background: var(--success-soft);
    color: var(--heading);
}

html[data-app="tenrusl-markdown-md"] .callout {
    margin: 16px 0;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    background: var(--accent-soft);
}

html[data-app="tenrusl-markdown-md"] .callout.warn {
    border-left-color: var(--warning);
    background: var(--warning-soft);
}

html[data-app="tenrusl-markdown-md"] .callout.danger {
    border-left-color: var(--danger);
    background: var(--danger-soft);
}

html[data-app="tenrusl-markdown-md"] .callout > :first-child {
    margin-top: 0;
}

html[data-app="tenrusl-markdown-md"] .callout > :last-child {
    margin-bottom: 0;
}

html[data-app="tenrusl-markdown-md"] .mermaid-wrap {
    margin: 16px 0;
    padding: 18px;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-2);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

html[data-app="tenrusl-markdown-md"] .status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    background: color-mix(in srgb, var(--panel-3) 92%, transparent);
    color: var(--muted);
    font-size: 13px;
}

html[data-app="tenrusl-markdown-md"] .anchor-link {
    opacity: 0;
    margin-left: 8px;
    font-size: 0.9em;
    color: var(--muted);
    text-decoration: none;
    transition: opacity 0.16s ease, color 0.16s ease;
}

html[data-app="tenrusl-markdown-md"] .markdown-body h1:hover .anchor-link,
html[data-app="tenrusl-markdown-md"] .markdown-body h2:hover .anchor-link,
html[data-app="tenrusl-markdown-md"] .markdown-body h3:hover .anchor-link {
    opacity: 1;
}

html[data-app="tenrusl-markdown-md"] .anchor-link:hover {
    color: var(--accent);
}

@media (max-width: 1080px) {
    html[data-app="tenrusl-markdown-md"] .layout {
        grid-template-columns: 1fr;
    }

    html[data-app="tenrusl-markdown-md"] .layout::before {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(13, 17, 23, 0.48);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.22s ease;
        z-index: 25;
    }

    html[data-app="tenrusl-markdown-md"] .layout.sidebar-open::before {
        opacity: 1;
        pointer-events: auto;
    }

    html[data-app="tenrusl-markdown-md"] .sidebar {
        position: fixed;
        left: 0;
        width: 320px;
        max-width: calc(100vw - 24px);
        transform: translateX(-105%);
        transition: transform 0.22s ease;
    }

    html[data-app="tenrusl-markdown-md"] .layout.sidebar-open .sidebar {
        transform: translateX(0);
        box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
    }

    html[data-app="tenrusl-markdown-md"] .mobile-toggle {
        display: inline-flex;
    }

    html[data-app="tenrusl-markdown-md"] .viewer {
        padding: 14px 14px 10px;
    }

    html[data-app="tenrusl-markdown-md"] .topbar {
        padding-inline: 14px;
    }

    html[data-app="tenrusl-markdown-md"] .markdown-body {
        padding: 24px 18px 42px;
    }
}

@media (max-width: 560px) {
    html[data-app="tenrusl-markdown-md"] .row-2 {
        grid-template-columns: 1fr;
    }

    html[data-app="tenrusl-markdown-md"] .paper-actions {
        width: 100%;
    }

    html[data-app="tenrusl-markdown-md"] .paper-actions > button {
        flex: 1 1 auto;
    }
}

@media print {
    @page {
        size: auto;
        margin: 12mm;
    }

    html[data-app="tenrusl-markdown-md"] .sidebar,
    html[data-app="tenrusl-markdown-md"] .topbar,
    html[data-app="tenrusl-markdown-md"] .paper-top,
    html[data-app="tenrusl-markdown-md"] .status,
    html[data-app="tenrusl-markdown-md"] .code-toolbar,
    html[data-app="tenrusl-markdown-md"] .copy-btn,
    html[data-app="tenrusl-markdown-md"] .anchor-link {
        display: none !important;
    }

    html[data-app="tenrusl-markdown-md"] .layout {
        display: block !important;
        min-height: auto !important;
    }

    html[data-app="tenrusl-markdown-md"] body,
    html[data-app="tenrusl-markdown-md"] .paper,
    html[data-app="tenrusl-markdown-md"] .markdown-body {
        background: #ffffff !important;
        color: #000000 !important;
        box-shadow: none !important;
    }

    html[data-app="tenrusl-markdown-md"] .viewer {
        padding: 0 !important;
    }

    html[data-app="tenrusl-markdown-md"] .paper {
        max-width: none !important;
        border: 0 !important;
        border-radius: 0 !important;
    }

    html[data-app="tenrusl-markdown-md"] .markdown-body {
        padding: 0 !important;
        font-size: 11pt;
        line-height: 1.55;
    }

    html[data-app="tenrusl-markdown-md"] .markdown-body,
    html[data-app="tenrusl-markdown-md"] .markdown-body p,
    html[data-app="tenrusl-markdown-md"] .markdown-body li,
    html[data-app="tenrusl-markdown-md"] .markdown-body td,
    html[data-app="tenrusl-markdown-md"] .markdown-body th,
    html[data-app="tenrusl-markdown-md"] .markdown-body blockquote,
    html[data-app="tenrusl-markdown-md"] .markdown-body code {
        color: #000000 !important;
    }

    html[data-app="tenrusl-markdown-md"] .markdown-body h1,
    html[data-app="tenrusl-markdown-md"] .markdown-body h2,
    html[data-app="tenrusl-markdown-md"] .markdown-body h3,
    html[data-app="tenrusl-markdown-md"] .markdown-body h4,
    html[data-app="tenrusl-markdown-md"] .markdown-body h5,
    html[data-app="tenrusl-markdown-md"] .markdown-body h6 {
        color: #000000 !important;
    }

    html[data-app="tenrusl-markdown-md"] .markdown-body a,
    html[data-app="tenrusl-markdown-md"] .markdown-body a:visited {
        color: #000000 !important;
        text-decoration: underline !important;
    }

    html[data-app="tenrusl-markdown-md"] .markdown-body pre {
        padding-top: 16px !important;
        border-color: #d0d7de !important;
        background: #f6f8fa !important;
        break-inside: avoid;
    }

    html[data-app="tenrusl-markdown-md"] .markdown-body table,
    html[data-app="tenrusl-markdown-md"] .markdown-body img,
    html[data-app="tenrusl-markdown-md"] .callout,
    html[data-app="tenrusl-markdown-md"] .mermaid-wrap,
    html[data-app="tenrusl-markdown-md"] blockquote {
        break-inside: avoid;
    }
}