/* ============================================
   Euonia Docs — Layout & Components
   ============================================ */

/* --- Docs Layout --- */
.docs-layout { overflow-x: hidden; }
.docs-wrapper {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    padding-top: var(--nav-height);
    min-height: 100vh;
}

/* --- Sidebar --- */
.docs-sidebar {
    width: 280px;
    min-width: 280px;
    height: calc(100vh - var(--nav-height));
    position: sticky;
    top: var(--nav-height);
    overflow-y: auto;
    padding: 28px 20px 40px;
    border-right: 1px solid var(--color-border);
    background: var(--color-bg);
}

.sidebar-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    color: var(--color-text-muted);
}
.sidebar-search input {
    background: none;
    border: none;
    outline: none;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    width: 100%;
}
.sidebar-search input::placeholder { color: var(--color-text-muted); }
.sidebar-search:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px var(--color-accent-glow);
}

.sidebar-section {
    margin-bottom: 20px;
}
.sidebar-heading {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    padding: 0 8px;
}
.sidebar-link {
    display: block;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.86rem;
    color: var(--color-text-muted);
    text-decoration: none;
    line-height: 1.5;
    transition: all 0.15s;
}
.sidebar-link:hover {
    color: var(--color-text-bright);
    background: rgba(99, 102, 241, 0.06);
}
.sidebar-link.highlight {
    color: var(--color-accent);
    background: rgba(99, 102, 241, 0.1);
    font-weight: 600;
}
.sidebar-link.filtered-hidden { display: none !important; }
.sidebar-section.filtered-hidden { display: none !important; }

/* Sidebar TOC (generated from Markdown) — match sidebar-link exactly */
.sidebar-nav .toc ul { list-style: none; margin: 0; padding: 0; }
.sidebar-nav .toc ul ul { padding-left: 14px; border-left: 1px solid var(--color-border); margin-left: 4px; }
.sidebar-nav .toc ul ul ul { padding-left: 12px; margin-left: 2px; }
.sidebar-nav .toc li { margin-bottom: 0; }
.sidebar-nav .toc a {
    display: block;
    padding: 5px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.84rem;
    color: var(--color-text-muted);
    text-decoration: none;
    line-height: 1.4;
    transition: all 0.15s;
}
.sidebar-nav .toc a:hover {
    color: var(--color-text-bright);
    background: rgba(99, 102, 241, 0.06);
}
.sidebar-nav .toc a.highlight {
    color: var(--color-accent);
    background: rgba(99, 102, 241, 0.1);
    font-weight: 600;
}

/* --- Platform badge (large, in page heading) --- */
.platform-header {
    margin-bottom: 12px;
}
.platform-badge-lg {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}
.platform-badge-lg.dotnet {
    background: rgba(81, 43, 212, 0.15);
    color: #a78bfa;
    border: 1px solid rgba(81, 43, 212, 0.3);
}
.platform-badge-lg.java {
    background: rgba(237, 139, 0, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(237, 139, 0, 0.3);
}

/* --- Docs landing page: platform cards --- */
.docs-platform-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}
.docs-platform-card {
    display: block;
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    text-decoration: none;
    transition: all 0.3s var(--ease-out);
    position: relative;
    overflow: hidden;
}
.docs-platform-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.docs-platform-card.dotnet:hover {
    border-color: rgba(81, 43, 212, 0.4);
    box-shadow: 0 8px 32px var(--color-net-glow);
}
.docs-platform-card.java:hover {
    border-color: rgba(237, 139, 0, 0.4);
    box-shadow: 0 8px 32px var(--color-java-glow);
}
.platform-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.platform-card-icon {
    font-size: 2rem;
    font-family: var(--font-mono);
}
.docs-platform-card.dotnet .platform-card-icon { color: #a78bfa; }
.docs-platform-card.java .platform-card-icon { color: #fbbf24; }
.platform-card-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-heading);
    border: none;
    margin: 0;
    padding: 0;
}
.docs-platform-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 18px;
}
.platform-card-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}
.platform-card-topics span {
    padding: 3px 10px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    color: var(--color-text-muted);
    font-weight: 500;
}
[data-theme="light"] .platform-card-topics span {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.06);
}
.platform-card-arrow {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: transform 0.2s;
    display: inline-block;
}
.docs-platform-card:hover .platform-card-arrow {
    transform: translateX(4px);
}

/* --- Shared concepts grid --- */
.shared-concepts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}
.shared-concept {
    padding: 22px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    transition: border-color 0.2s;
}
.shared-concept:hover { border-color: var(--color-border-light); }
.shared-icon { font-size: 1.6rem; margin-bottom: 10px; }
.shared-concept h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 6px;
}
.shared-concept p {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 10px;
}
.shared-link {
    font-size: 0.78rem;
}
.shared-link a { color: var(--color-accent); text-decoration: none; }
.shared-link a:hover { text-decoration: underline; }

/* --- Mermaid diagrams inside docs --- */
.docs-content pre.mermaid {
    margin: 24px 0 32px;
    padding: 28px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    display: flex;
    justify-content: center;
}
.docs-content pre.mermaid svg {
    max-width: 100%;
    height: auto;
}
/* Fix mermaid text contrast in light mode */
[data-theme="light"] .docs-content pre.mermaid {
    background: #fafafa;
}

/* Sidebar toggle (mobile) */
.sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    color: var(--color-text);
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    align-items: center;
    justify-content: center;
}
.sidebar-toggle:hover { background: var(--color-bg-alt); }

/* --- Main Content --- */
.docs-content {
    flex: 1;
    min-width: 0;
    padding: 40px 48px 80px;
    max-width: 860px;
}

.docs-content section {
    margin-bottom: 64px;
    padding-top: 20px;
}

.docs-content h1 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-heading);
    margin-bottom: 16px;
}
.docs-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-top: 40px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}
.docs-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-top: 28px;
    margin-bottom: 12px;
}
.docs-content p {
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 16px;
}
.docs-content .lead {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
}
.docs-content ul, .docs-content ol {
    margin: 0 0 20px 20px;
    color: var(--color-text);
    line-height: 1.9;
}
.docs-content li { margin-bottom: 4px; }
.docs-content li strong { color: var(--color-text-bright); }
.docs-content a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; }
.docs-content a:hover { color: var(--color-accent-2); }

/* Tables in docs */
.doc-table {
    margin: 20px 0 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.doc-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
.doc-table thead { background: var(--color-bg-alt); }
.doc-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--color-text-bright);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.8rem;
    letter-spacing: 0.03em;
}
.doc-table td {
    padding: 10px 16px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    line-height: 1.6;
}
.doc-table tr:last-child td { border-bottom: none; }
.doc-table tr:hover td { background: rgba(255, 255, 255, 0.015); }
[data-theme="light"] .doc-table tr:hover td { background: rgba(0, 0, 0, 0.015); }
.doc-table code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    background: var(--color-bg-code);
    padding: 1px 6px;
    border-radius: 3px;
    color: var(--color-accent);
}

/* Code blocks in docs */
.docs-content .code-block {
    margin: 20px 0 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-code);
}
.docs-content .code-block .code-header {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--color-border);
}
.docs-content .code-block .code-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.docs-content .code-block .code-dot.red    { background: #ff5f57; }
.docs-content .code-block .code-dot.yellow { background: #febc2e; }
.docs-content .code-block .code-dot.green  { background: #28c840; }
.docs-content .code-block .code-lang {
    margin-left: 8px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}
.docs-content .code-block pre {
    padding: 16px;
    margin: 0;
    overflow-x: auto;
}
.docs-content .code-block code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.75;
}
.docs-content .code-block.is-plaintext code {
    font-family: 'Courier New', Courier, monospace;
}

/* Code syntax highlighting — codehilite spans inside code-block */
.docs-content .code-block .codehilite pre { margin: 0; padding: 16px; }
.docs-content .code-block .codehilite { margin: 0; padding: 0; }
.docs-content .code-block .codehilite code { padding: 0; }

/* Hide heading permalink anchors in content (keep in TOC sidebar) */
.docs-content .toc-link { display: none; }

/* --- Type badges (capsule / pill) --- */
.type-badge {
    display: inline-block;
    padding: 1px 10px;
    border-radius: 99px;
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.6;
    letter-spacing: 0.02em;
    white-space: nowrap;
    margin-left: 4px;
    vertical-align: middle;
}
td .type-badge { margin-left: 0; font-size: 0.7rem; padding: 2px 9px; }

/* --- per-type colours --- */
.type-badge.type-class      { background: rgba(59, 130, 246, 0.15);  color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.25);  }  /* blue */
.type-badge.type-abstract   { background: rgba(139, 92, 246, 0.15);  color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.25);  }  /* purple */
.type-badge.type-interface  { background: rgba(34, 197, 94, 0.15);   color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.25);   }  /* green */
.type-badge.type-record     { background: rgba(14, 165, 233, 0.15);  color: #38bdf8; border: 1px solid rgba(14, 165, 233, 0.25);  }  /* cyan */
.type-badge.type-enum       { background: rgba(245, 158, 11, 0.15);  color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.25);  }  /* amber */
.type-badge.type-annotation { background: rgba(239, 68, 68, 0.15);   color: #f87171; border: 1px solid rgba(239, 68, 68, 0.25);   }  /* red */
.type-badge.type-validator  { background: rgba(236, 72, 153, 0.15);  color: #f472b6; border: 1px solid rgba(236, 72, 153, 0.25);  }  /* pink */
.type-badge.type-meta-annotation { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.25); } /* violet */
.type-badge.type-functional  { background: rgba(20, 184, 166, 0.15);  color: #2dd4bf; border: 1px solid rgba(20, 184, 166, 0.25);  }  /* teal, like green-interface but distinct */

/* Callout boxes */
.info-callout {
    margin: 20px 0;
    padding: 14px 18px;
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    color: var(--color-text);
    line-height: 1.7;
}
.info-callout strong { color: var(--color-accent); }

/* Docs footer */
.docs-footer {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

/* --- Right Sidebar (TOC) --- */
.docs-right-sidebar {
    width: 220px;
    min-width: 220px;
    height: calc(100vh - var(--nav-height));
    position: sticky;
    top: var(--nav-height);
    overflow-y: auto;
    padding: 28px 16px 40px 8px;
    border-left: 1px solid var(--color-border);
    background: var(--color-bg);
}

.docs-right-sidebar .sidebar-heading {
    padding: 0 4px;
}

.docs-right-sidebar .sidebar-nav .toc ul { list-style: none; margin: 0; padding: 0; }
.docs-right-sidebar .sidebar-nav .toc ul ul { padding-left: 14px; border-left: 1px solid var(--color-border); margin-left: 4px; }
.docs-right-sidebar .sidebar-nav .toc ul ul ul { padding-left: 12px; margin-left: 2px; }
.docs-right-sidebar .sidebar-nav .toc li { margin-bottom: 0; }
.docs-right-sidebar .sidebar-nav .toc a {
    display: block;
    padding: 5px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--color-text-muted);
    text-decoration: none;
    line-height: 1.4;
    transition: all 0.15s;
}
.docs-right-sidebar .sidebar-nav .toc a:hover {
    color: var(--color-text-bright);
    background: rgba(99, 102, 241, 0.06);
}
.docs-right-sidebar .sidebar-nav .toc a.highlight {
    color: var(--color-accent);
    background: rgba(99, 102, 241, 0.1);
    font-weight: 600;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .docs-right-sidebar {
        position: fixed;
        top: var(--nav-height);
        right: 0;
        bottom: 0;
        z-index: 900;
        transform: translateX(100%);
        transition: transform 0.3s var(--ease-out);
        box-shadow: var(--shadow-lg);
    }
    .docs-right-sidebar.open {
        transform: translateX(0);
    }
    .docs-sidebar {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        bottom: 0;
        z-index: 900;
        transform: translateX(-100%);
        transition: transform 0.3s var(--ease-out);
        box-shadow: var(--shadow-lg);
    }
    .docs-sidebar.open {
        transform: translateX(0);
    }
    .sidebar-toggle { display: flex; }
    .docs-content {
        padding: 28px 20px 80px;
    }
    .docs-content h1 { font-size: 1.6rem; }
    .docs-content h2 { font-size: 1.25rem; }
}

@media (max-width: 640px) {
    .doc-table { overflow-x: auto; }
    .doc-table table { min-width: 500px; }
}