/* ShellDocs Component Styles
   ─────────────────────────────────────────────────────────────────────
   Base HTML resets, .shelldocs-prose typography, code-block chrome, and
   Prism.js overrides. All colours/spacings resolve via the CSS variables
   defined in ShellDocs.Tokens (loaded separately as `tokens.css`).
   ───────────────────────────────────────────────────────────────────── */

/* Base */
*, *::before, *::after { box-sizing: border-box; border-color: var(--border); }
html {
    background: var(--background);
    color: var(--foreground);
    font-family: var(--font-sans);
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11', 'ss01';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
    scrollbar-gutter: stable; /* fumadocs — no jumpy shift when a modal opens */
}
body { margin: 0; min-height: 100vh; }

::selection { background: color-mix(in oklch, var(--primary) 20%, transparent); color: var(--foreground); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; border: 2px solid var(--background); }
::-webkit-scrollbar-thumb:hover { background: var(--muted-foreground); }

/* Prose */
.shelldocs-prose { color: var(--foreground); font-size: 0.95rem; line-height: 1.7; }
.shelldocs-prose > *:first-child { margin-top: 0; }
.shelldocs-prose > *:last-child { margin-bottom: 0; }

.shelldocs-prose h1 { font-size: 2.125rem; font-weight: 700; letter-spacing: -0.025em; margin: 0 0 0.75rem; line-height: 1.2; color: var(--foreground); }
.shelldocs-prose h2 { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; margin: 2.5rem 0 0.75rem; line-height: 1.3; scroll-margin-top: calc(var(--header-height) + 2rem); }
.shelldocs-prose h3 { font-size: 1.125rem; font-weight: 600; letter-spacing: -0.015em; margin: 1.75rem 0 0.5rem; line-height: 1.4; scroll-margin-top: calc(var(--header-height) + 2rem); }
.shelldocs-prose h4 { font-size: 1rem; font-weight: 600; margin: 1.25rem 0 0.5rem; }

.shelldocs-prose p { margin: 1rem 0; color: var(--foreground); }

.shelldocs-prose a {
    color: var(--foreground);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    text-decoration-color: color-mix(in oklch, var(--foreground) 30%, transparent);
    transition: text-decoration-color 150ms;
    font-weight: 500;
}
.shelldocs-prose a:hover { text-decoration-color: var(--foreground); }

.shelldocs-prose strong { font-weight: 600; color: var(--foreground); }

.shelldocs-prose code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--muted);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    color: var(--foreground);
    border: 1px solid var(--border);
    font-feature-settings: 'ss01';
}

.shelldocs-prose ul, .shelldocs-prose ol { padding-left: 1.5rem; margin: 1rem 0; }
.shelldocs-prose li { margin: 0.35rem 0; }
.shelldocs-prose li::marker { color: var(--muted-foreground); }

.shelldocs-prose blockquote {
    border-left: 3px solid var(--border-strong);
    padding: 0.75rem 0 0.75rem 1rem;
    margin: 1.25rem 0;
    color: var(--muted-foreground);
    background: color-mix(in oklch, var(--muted) 60%, transparent);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.shelldocs-prose blockquote p { margin: 0; }

.shelldocs-prose table {
    border-collapse: collapse;
    width: 100%;
    margin: 1.25rem 0;
    font-size: 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.shelldocs-prose th, .shelldocs-prose td { padding: 0.625rem 0.875rem; text-align: left; border-bottom: 1px solid var(--border); }
.shelldocs-prose th { font-weight: 600; color: var(--foreground); background: var(--muted); font-size: 0.8125rem; }
.shelldocs-prose tr:last-child td { border-bottom: 0; }
.shelldocs-prose tr:hover { background: color-mix(in oklch, var(--muted) 40%, transparent); }

.shelldocs-prose hr { border: 0; border-top: 1px solid var(--border); margin: 2.5rem 0; }
.shelldocs-prose img { border-radius: var(--radius); border: 1px solid var(--border); max-width: 100%; height: auto; }

/* Code blocks — wrapped by CodeBlockEnhancer */
.shelldocs-codeblock {
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card);
    overflow: hidden;
    margin: 1.5rem 0;
}
.shelldocs-codeblock-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.375rem 0.5rem 0.375rem 0.875rem;
    border-bottom: 1px solid var(--border);
    background: color-mix(in oklch, var(--card) 60%, var(--background));
}
.shelldocs-code-lang {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--muted-foreground);
    text-transform: lowercase;
    letter-spacing: 0.02em;
    font-family: var(--font-mono);
}
.shelldocs-codeblock-copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 5px;
    color: var(--muted-foreground);
    cursor: pointer;
    transition: color 150ms, background 150ms, border-color 150ms;
    padding: 0;
    margin-left: auto;
}
.shelldocs-codeblock-copy:hover {
    color: var(--foreground);
    background: var(--muted);
    border-color: var(--border);
}
.shelldocs-codeblock-copy svg { width: 0.875rem; height: 0.875rem; }
.shelldocs-codeblock-copy .icon-check { display: none; color: var(--success); }
.shelldocs-codeblock-copy.copied .icon-copy { display: none; }
.shelldocs-codeblock-copy.copied .icon-check { display: block; }

.shelldocs-codeblock pre {
    margin: 0;
    padding: 1rem 1.125rem;
    background: transparent;
    border: 0;
    border-radius: 0;
    font-size: 0.85rem;
    line-height: 1.7;
    overflow-x: auto;
}
.shelldocs-codeblock pre code {
    background: transparent;
    padding: 0;
    border: 0;
    font-family: var(--font-mono);
    font-size: inherit;
    color: var(--foreground);
    font-feature-settings: 'ss01', 'cv02';
}

/* Shiki output — normalise its inline styles into our chrome. */
.shelldocs-codeblock pre.shiki,
.shelldocs-prose pre.shiki,
.preview-body pre.shiki {
    margin: 0 !important;
    padding: 1rem 1.125rem !important;
    border: 0 !important;
    border-radius: 0 !important;
    font-family: var(--font-mono) !important;
    font-size: 0.85rem !important;
    line-height: 1.7 !important;
    overflow-x: auto;
}
pre.shiki code {
    background: transparent !important;
    padding: 0 !important;
    border: 0 !important;
    font-family: var(--font-mono) !important;
    font-size: inherit !important;
}

/* Dual-theme: Shiki emits --shiki-light + --shiki-dark on each token span
   with defaultColor:false. Only set `color` — NEVER background on spans, or
   every .line wrapper paints a bg strip across the block. */
pre.shiki { background-color: transparent !important; }
pre.shiki,
pre.shiki span { color: var(--shiki-light); }
:root.dark pre.shiki,
:root.dark pre.shiki span { color: var(--shiki-dark); }

/* View-transitions — the browser diffs old vs new page and cross-fades
   automatically when Blazor enhanced navigation swaps the DOM. Progressive:
   Chromium supports today; other engines just no-op the pseudo rules. */
@view-transition { navigation: auto; }
::view-transition-old(root),
::view-transition-new(root) { animation-duration: 180ms; animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1); }

/* Global reduced-motion guard — respects the OS preference so animations
   collapse to instant while transitions still fire (kept at 0.01ms so JS
   `transitionend` handlers still trigger). */
@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;
    }
    ::view-transition-old(root),
    ::view-transition-new(root) { animation: none !important; }
}