/*
Theme Name: Crystal Paper / 晶页
Theme URI: https://crystalqwq.com
Description: 一款以文字、留白与纸面质感为核心的 Typecho 1.3 主题。
Version: 1.5.23
Author: Crystal
License: MIT
*/

@font-face {
    font-family: "Great Vibes";
    src: url("assets/fonts/GreatVibes-Latin.woff2") format("woff2");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

:root {
    --paper: #fdfefb;
    --paper-deep: #f3f3ee;
    --paper-strong: #e7e6df;
    --ink-faint: #a8a69f;
    --ink-soft: #787670;
    --ink-muted: #5c5a55;
    --ink: #24231f;
    --ink-strong: #141312;
    --border: rgba(36, 35, 31, 0.12);
    --border-strong: rgba(36, 35, 31, 0.22);
    --accent: #83c8ef;
    --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);
    --accent-strong: color-mix(in srgb, var(--accent) 45%, #153247);
    --accent-contrast: #153247;
    --selection: color-mix(in srgb, var(--accent) 24%, transparent);
    --shadow-whisper: 0 16px 50px rgba(33, 30, 25, 0.055);
    --footer-tint: color-mix(in srgb, var(--accent) 2%, var(--paper));
    --font-sans: "Source Han Serif CN", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
    --font-serif: "Source Han Serif CN", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
    --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --header-height: 64px;
    --content-wide: 1120px;
    --content-copy: 720px;
}

html[data-theme="dark"] {
    --paper: #1c1c1e;
    --paper-deep: #252527;
    --paper-strong: #323236;
    --ink-faint: #5d5b59;
    --ink-soft: #8b8985;
    --ink-muted: #aaa8a3;
    --ink: #e3e1dc;
    --ink-strong: #f5f3ee;
    --border: rgba(239, 236, 229, 0.11);
    --border-strong: rgba(239, 236, 229, 0.2);
    --accent-soft: color-mix(in srgb, var(--accent) 17%, transparent);
    --accent-strong: color-mix(in srgb, var(--accent) 88%, #ffffff);
    --selection: color-mix(in srgb, var(--accent) 32%, transparent);
    --shadow-whisper: 0 18px 60px rgba(0, 0, 0, 0.22);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 14px; background: var(--paper); }
body {
    position: relative;
    isolation: isolate;
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    letter-spacing: 0.012em;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    transition: color 0.35s var(--ease), background-color 0.35s var(--ease);
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    opacity: 0.045;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
    mix-blend-mode: multiply;
}

html[data-theme="dark"] body::before { opacity: 0.075; mix-blend-mode: screen; }
::selection { background: var(--selection); }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea { color: inherit; font: inherit; }
button { border: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1000; padding: 8px 12px; border-radius: 6px; color: var(--accent-contrast); background: var(--accent); transform: translateY(-160%); transition: transform 0.2s var(--ease); }
.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(calc(100% - 48px), var(--content-wide)); margin-inline: auto; }
.site-main { min-height: calc(100vh - 300px); }

.site-header { position: sticky; top: 0; z-index: 100; height: var(--header-height); padding: 10px 24px; pointer-events: none; }
.header-inner { position: relative; display: flex; align-items: center; justify-content: center; width: min(100%, var(--content-wide)); height: 44px; margin: 0 auto; }
.site-nav, .header-actions, .nav-toggle { pointer-events: auto; }
.site-nav { position: relative; display: flex; gap: 2px; align-items: center; justify-content: center; padding: 2px; border: 1px solid var(--border); border-radius: 5px; background: color-mix(in srgb, var(--paper) 80%, transparent); box-shadow: var(--shadow-whisper); backdrop-filter: blur(16px); }
.site-nav > a, .nav-articles > a { position: relative; z-index: 2; padding: 4px 10px; border-radius: 5px; color: var(--ink-muted); font-size: 13px; line-height: 19px; white-space: nowrap; transition: color 0.2s ease; }
.site-nav > a:hover, .site-nav > a.is-active, .nav-articles > a:hover, .nav-articles > a.is-active { color: var(--ink-strong); }
.nav-indicator { position: absolute; top: 2px; left: 0; z-index: 1; width: 0; height: 27px; border: 1px solid color-mix(in srgb, var(--border-strong) 55%, transparent); border-radius: 5px; background: var(--paper-deep); box-shadow: 0 5px 16px color-mix(in srgb, var(--ink-strong) 5%, transparent); opacity: 0; pointer-events: none; transform: translate3d(0, 0, 0); transition: width 0.22s var(--ease), transform 0.22s var(--ease), opacity 0.12s ease; will-change: width, transform; }
.nav-indicator.is-ready { opacity: 1; }
.nav-articles { position: relative; display: flex; }
.nav-articles::after { position: absolute; top: 100%; left: -16px; width: calc(100% + 32px); height: 18px; content: ""; }
.article-menu { position: absolute; top: calc(100% + 10px); left: 50%; display: grid; grid-template-columns: 140px minmax(0, 1fr); width: min(382px, calc(100vw - 32px)); height: 294px; overflow: hidden; border: 1px solid rgba(200, 180, 160, 0.08); border-radius: 5px; background: var(--paper); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(0, 0, 0, 0.04); opacity: 0; pointer-events: none; transform: translate(-50%, -4px); transform-origin: 50% 0; transition: opacity 0.12s ease, transform 0.16s var(--ease); }
.nav-articles:hover .article-menu, .nav-articles:focus-within .article-menu, .nav-articles.is-menu-open .article-menu { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.article-menu-categories { display: flex; gap: 2px; padding: 12px 9px; overflow-y: auto; border-right: 1px solid var(--border); background: color-mix(in srgb, var(--paper-deep) 45%, transparent); flex-direction: column; }
.article-menu-label { padding: 0 7px 6px; color: var(--ink-faint); font-size: 9px; letter-spacing: 0.14em; }
.article-menu-category { display: flex; align-items: center; justify-content: space-between; padding: 7px; border-radius: 5px; color: var(--ink-muted); font-size: 11px; transition: color 0.1s ease, background-color 0.1s ease, transform 0.12s var(--ease); }
.article-menu-category:hover, .article-menu-category:focus-visible, .article-menu-category.is-current { background: var(--paper); color: var(--ink-strong); transform: translateX(2px); }
.article-menu-category small { color: var(--ink-faint); font-size: 9px; }
.article-menu-panels { min-width: 0; padding: 12px; overflow-y: auto; }
.article-menu-panel[hidden] { display: none; }
.article-menu-panel header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 5px; padding: 0 5px 8px; border-bottom: 1px solid var(--border); }
.article-menu-panel header > span { color: var(--ink-strong); font-size: 12px; font-weight: 600; }
.article-menu-panel header a { color: var(--ink-soft); font-size: 9px; transition: color 0.1s ease; }
.article-menu-panel header a:hover { color: var(--accent-strong); }
.article-menu-posts { display: grid; gap: 2px; }
.article-menu-posts > a { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1px; padding: 7px 6px; border-radius: 5px; color: var(--ink-muted); transition: color 0.1s ease, background-color 0.1s ease, transform 0.12s var(--ease); }
.article-menu-posts > a:hover { background: var(--paper-deep); color: var(--ink-strong); transform: translateX(3px); }
.article-menu-posts span { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.article-menu-posts time { color: var(--ink-faint); font-size: 8px; white-space: nowrap; }
.article-menu-empty { margin: 28px 5px 0; color: var(--ink-soft); font-size: 10px; }
html[data-theme="dark"] .article-menu { border-color: rgba(64, 64, 64, 0.2); background: #000; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3); }
html[data-theme="dark"] .article-menu-categories { background: #000; }
.header-actions { position: absolute; right: 0; display: flex; gap: 6px; }
.icon-button, .back-to-top { display: grid; width: 38px; height: 38px; padding: 0; place-items: center; border: 1px solid var(--border); border-radius: 50%; background: color-mix(in srgb, var(--paper) 80%, transparent); cursor: pointer; backdrop-filter: blur(12px); transition: color 0.2s ease, border-color 0.2s ease, transform 0.25s var(--ease); }
.icon-button:hover, .back-to-top:hover { border-color: var(--accent); color: var(--accent-strong); transform: translateY(-2px); }
.icon-button svg, .back-to-top svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.theme-icon-moon, html[data-theme="dark"] .theme-icon-sun { display: none; }
html[data-theme="dark"] .theme-icon-moon { display: block; }
.nav-toggle { display: none; }

.eyebrow { margin: 0 0 12px; color: var(--ink-soft); font-family: var(--font-serif); font-size: 10px; font-style: italic; letter-spacing: 0.18em; text-transform: uppercase; }
.home-hero { display: flex; min-height: clamp(430px, 62vh, 540px); padding-block: 54px 48px; flex-direction: column; align-items: center; justify-content: flex-start; text-align: center; }
.hero-avatar { display: grid; width: clamp(72px, 7.5vw, 88px); aspect-ratio: 1; margin-bottom: 24px; overflow: hidden; place-items: center; border: 1px solid var(--border-strong); border-radius: 50%; background: linear-gradient(145deg, var(--paper-deep), color-mix(in srgb, var(--accent) 13%, var(--paper))); box-shadow: 0 16px 42px color-mix(in srgb, var(--ink-strong) 9%, transparent); }
.hero-avatar img { width: 100%; height: 100%; object-fit: cover; }
.hero-avatar svg { width: 50%; color: var(--ink-soft); fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.home-hero h1 { max-width: 860px; margin: 0; color: var(--ink-strong); font-family: var(--font-mono); font-size: clamp(29px, 3.2vw, 35px); font-weight: 400; line-height: 1.375; letter-spacing: -0.025em; }
.hero-line { display: flex; width: max-content; min-height: 1.375em; margin-inline: auto; align-items: center; justify-content: flex-start; }
.hero-role-line { display: flex; gap: 0.22em; align-items: center; justify-content: center; }
.hero-role-line > span:first-child { display: inline-flex; align-items: center; align-self: stretch; }
.hero-accent { color: var(--accent); }
.hero-title code { display: inline-block; padding: 0.25em 0.55em; border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent); border-radius: 0.35em; background: color-mix(in srgb, var(--accent) 10%, transparent); font: inherit; font-size: 0.72em; font-weight: 400; line-height: 1.375; letter-spacing: 0.005em; }
.hero-wave { display: inline-flex; font-family: "Apple Color Emoji", "Segoe UI Emoji", sans-serif; font-size: 0.82em; transform-origin: 70% 75%; }
.hero-wave.is-typed { animation: hero-wave 2.8s ease-in-out infinite; }
.hero-caret { display: block; width: 2px; height: 0.9em; margin-left: -0.09em; border-radius: 2px; background: var(--accent); flex: 0 0 auto; animation: hero-caret 1.05s steps(1, end) infinite; }
.js .hero-title[data-hero-typing] [data-hero-type] { visibility: hidden; }
.js .hero-title[data-hero-typing] [data-hero-code] { opacity: 0; transform: translateY(4px) scale(0.96); }
.js .hero-title[data-hero-typing] [data-hero-caret] { opacity: 0; animation: none; }
.js .hero-title[data-hero-typing].is-typing [data-hero-type], .js .hero-title[data-hero-typing].is-static [data-hero-type] { visibility: visible; }
.js .hero-title[data-hero-typing] [data-hero-code].is-visible { animation: hero-code-arrive 0.42s var(--ease) forwards; }
.js .hero-title[data-hero-typing] [data-hero-caret].is-visible { opacity: 1; animation: hero-caret 1.05s steps(1, end) infinite; }
.js .hero-title[data-hero-typing].is-static [data-hero-code], .js .hero-title[data-hero-typing].is-static [data-hero-caret] { opacity: 1; transform: none; animation: none; }
.hero-intro { max-width: 620px; margin: 44px auto 0; color: var(--ink-soft); font-family: var(--font-serif); font-size: 13px; font-style: italic; line-height: 1.65; letter-spacing: 0.055em; }
.hero-meta { display: flex; gap: 12px; align-items: center; margin-top: 8px; color: var(--ink-soft); font-size: 11px; }
.hero-meta strong { color: var(--ink-muted); font-weight: 500; }

@keyframes hero-caret {
    0%, 46% { opacity: 1; }
    47%, 100% { opacity: 0; }
}

@keyframes hero-wave {
    0%, 58%, 100% { transform: rotate(0deg); }
    64% { transform: rotate(14deg); }
    70% { transform: rotate(-7deg); }
    76% { transform: rotate(12deg); }
    82% { transform: rotate(0deg); }
}

@keyframes hero-code-arrive {
    from { opacity: 0; transform: translateY(4px) scale(0.96); }
    to { opacity: 1; transform: none; }
}

.writing-section { padding-block: 38px 120px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 24px; }
.section-heading h2, .archive-header h1, .comments-heading h2 { margin: 0; color: var(--ink-strong); font-family: var(--font-serif); font-size: clamp(26px, 4vw, 38px); font-weight: 500; letter-spacing: -0.02em; }
.text-link { padding-bottom: 4px; border-bottom: 1px solid var(--border-strong); color: var(--ink-muted); font-size: 12px; transition: color 0.2s ease, border-color 0.2s ease; }
.text-link:hover { border-color: var(--accent); color: var(--accent-strong); }
.post-list { display: grid; gap: 12px; }
.post-row { position: relative; isolation: isolate; display: grid; grid-template-columns: 44px minmax(0, 1fr) 28px; gap: 18px; align-items: center; overflow: hidden; padding: 26px 14px; border-radius: 12px; }
.post-row::before { position: absolute; inset: 0; z-index: -1; border-radius: inherit; background: color-mix(in srgb, var(--paper-deep) 66%, transparent); box-shadow: 0 14px 34px transparent; content: ""; opacity: 0; transform: translateY(3px) scale(0.997); transition: opacity 0.18s ease, transform 0.24s var(--ease), box-shadow 0.24s var(--ease); }
.post-row:hover::before, .post-row:focus-within::before { box-shadow: 0 14px 34px color-mix(in srgb, var(--ink-strong) 6%, transparent); opacity: 1; transform: none; }
.post-number { align-self: start; padding-top: 5px; color: var(--ink-faint); font-family: var(--font-serif); font-size: 13px; font-style: italic; transition: color 0.18s ease, transform 0.22s var(--ease); }
.post-row-main { display: grid; min-width: 0; transition: transform 0.24s var(--ease); }
.post-row-meta, .post-meta { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; color: var(--ink-soft); font-size: 11px; }
.post-row-meta a:hover { color: var(--accent-strong); }
.post-row h3 { margin: 0 0 8px; color: var(--ink-strong); font-family: var(--font-serif); font-size: clamp(20px, 2.8vw, 27px); font-weight: 500; line-height: 1.35; word-break: normal; writing-mode: horizontal-tb; }
.post-row p { max-width: 790px; margin: 0; color: var(--ink-muted); font-size: 13px; line-height: 1.75; }
.post-row-meta { margin-top: 12px; }
.post-arrow { color: var(--ink-faint); font-size: 16px; transition: color 0.18s ease, transform 0.22s var(--ease); }
.post-row:hover .post-row-main, .post-row:focus-within .post-row-main { transform: translateX(4px); }
.post-row:hover .post-number, .post-row:focus-within .post-number { color: var(--accent-strong); transform: translateX(2px); }
.post-row:hover .post-arrow, .post-row:focus-within .post-arrow { color: var(--accent); transform: translate(3px, -3px); }

.archive-page { padding-block: 110px 140px; }
.archive-header { max-width: 650px; margin-bottom: 80px; }
.archive-header p:last-child, .page-header p:last-child { margin: 16px 0 0; color: var(--ink-muted); font-family: var(--font-serif); }
.archive-list { max-width: 880px; }
.archive-item { display: grid; grid-template-columns: 80px 1fr; gap: 28px; padding: 32px 0; border-top: 1px solid var(--border); }
.archive-item time { display: flex; padding-top: 4px; flex-direction: column; color: var(--ink-muted); font-family: var(--font-serif); font-style: italic; }
.archive-item time span { font-size: 20px; }
.archive-item time small { color: var(--ink-faint); font-size: 10px; letter-spacing: 0.12em; }
.archive-content h2 { margin: 7px 0 8px; color: var(--ink-strong); font-family: var(--font-serif); font-size: 24px; font-weight: 500; line-height: 1.35; }
.archive-content h2 a { background-image: linear-gradient(var(--accent), var(--accent)); background-position: 0 100%; background-repeat: no-repeat; background-size: 0 1px; transition: color 0.25s ease, background-size 0.35s var(--ease); }
.archive-content h2 a:hover { color: var(--accent-strong); background-size: 100% 1px; }
.archive-content > p { margin: 0; color: var(--ink-muted); font-size: 13px; }
.pagination { margin-top: 56px; }
.page-nav { display: flex; gap: 7px; align-items: center; padding: 0; }
.page-nav span a, .page-nav span span { display: grid; min-width: 34px; height: 34px; padding: 0 10px; place-items: center; border: 1px solid var(--border); border-radius: 7px; color: var(--ink-muted); font-size: 12px; }
.page-nav .is-current span, .page-nav a:hover { border-color: var(--accent); color: var(--accent-strong); }

.post-page { padding-bottom: 120px; }
.post-header { max-width: 820px; padding-top: 112px; padding-bottom: 58px; text-align: center; }
.post-header h1, .page-header h1 { margin: 0; color: var(--ink-strong); font-family: var(--font-serif); font-size: clamp(34px, 6vw, 60px); font-weight: 500; line-height: 1.18; letter-spacing: -0.035em; text-wrap: balance; }
.post-header .eyebrow, .post-meta { color: var(--ink); font-size: 11px; font-style: normal; }
.post-meta { justify-content: center; margin-top: 22px; font-family: var(--font-serif); }
.post-summary { display: grid; grid-template-columns: 70px 1fr; gap: 20px; max-width: 880px; margin-bottom: 64px; padding: 22px 24px; border: 1px solid var(--border); border-radius: 8px; background: color-mix(in srgb, var(--paper-deep) 58%, transparent); box-shadow: var(--shadow-whisper); }
.post-summary > span { color: var(--accent-strong); font-family: var(--font-serif); font-size: 15px; font-weight: 500; letter-spacing: 0.06em; }
.post-summary p { margin: 0; color: var(--ink-muted); font-size: 13px; line-height: 1.8; }
.article-layout { display: grid; grid-template-columns: 170px minmax(0, var(--content-copy)) 170px; justify-content: center; }
.article-aside { position: relative; right: -24px; grid-row: 1; grid-column: 3; padding-left: 58px; }
.article-column { grid-row: 1; grid-column: 2; min-width: 0; }
.article-tools { position: sticky; top: 120px; }
.article-toc { text-align: left; }
.article-toc > span { display: block; margin-bottom: 9px; color: var(--ink-faint); font-family: var(--font-serif); font-size: 13px; font-style: italic; letter-spacing: 0.12em; }
.article-toc ol { margin: 0; padding: 0; list-style: none; }
.article-toc li { --toc-depth: 0; max-height: 32px; margin-top: 7px; overflow: hidden; opacity: 1; transform: none; transition: max-height 0.28s var(--ease), margin-top 0.28s var(--ease), opacity 0.18s ease, transform 0.28s var(--ease); }
.article-toc li:first-child { margin-top: 0; }
.article-toc li.is-nested { max-height: 0; margin-top: 0; opacity: 0; pointer-events: none; transform: translateY(-5px); }
.article-toc li.is-nested.is-expanded { max-height: 32px; margin-top: 7px; opacity: 1; pointer-events: auto; transform: none; }
.article-toc a { display: block; padding-left: calc(var(--toc-depth) * 12px); overflow: hidden; color: color-mix(in srgb, var(--ink-soft) 82%, transparent); font-size: 13px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; transition: color 0.16s ease; }
.article-toc li[data-depth="0"] a { color: color-mix(in srgb, var(--ink-soft) 82%, transparent); font-size: 13px; font-weight: 600; }
.article-toc li a:hover, .article-toc li a.is-active { color: var(--accent-strong); }
.reading-progress { display: flex; gap: 8px; align-items: center; width: max-content; height: 22px; margin-top: 20px; color: var(--ink-muted); }
.reading-progress-ring { width: 22px; height: 22px; overflow: visible; transform: rotate(-90deg); }
.reading-progress-track, .reading-progress-value { fill: none; stroke-width: 2.8; }
.reading-progress-track { stroke: var(--paper-strong); }
.reading-progress-value { stroke: var(--accent); stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 0.16s linear; }
.reading-progress-label { min-width: 39px; height: 22px; font-family: var(--font-mono); font-size: 14px; line-height: 22px; font-variant-numeric: tabular-nums; }

.prose { color: var(--ink); font-family: var(--font-serif); font-size: 16px; line-height: 1.9; letter-spacing: 0.018em; overflow-wrap: anywhere; }
.prose > *:first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose pre, .prose table, .prose figure { margin-block: 1.45em; }
.prose h2, .prose h3, .prose h4 { color: var(--ink-strong); font-family: var(--font-serif); font-weight: 500; line-height: 1.4; scroll-margin-top: 96px; }
.prose h2 { margin: 2.8em 0 1em; padding-top: 0.7em; border-top: 1px solid var(--border); font-size: 25px; }
.prose h3 { margin: 2.2em 0 0.8em; font-size: 20px; }
.prose h4 { margin: 1.8em 0 0.7em; font-size: 17px; }
.prose a { color: var(--accent-strong); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent); text-decoration-thickness: 1px; text-underline-offset: 4px; transition: text-decoration-color 0.2s ease; }
.prose a:hover { text-decoration-color: var(--accent); }
.prose strong { color: var(--ink-strong); font-weight: 600; }
.prose blockquote { padding: 6px 0 6px 22px; border-left: 2px solid var(--accent); color: var(--ink-muted); font-style: italic; }
.prose blockquote p { margin: 0.6em 0; }
.prose code { padding: 0.15em 0.38em; border: 1px solid var(--border); border-radius: 4px; background: var(--paper-deep); font-family: var(--font-mono); font-size: 0.83em; }
.prose pre { position: relative; padding: 20px 22px; overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; background: var(--paper-deep); color: var(--ink); font-size: 13px; line-height: 1.7; box-shadow: var(--shadow-whisper); }
.prose pre code { padding: 0; border: 0; background: transparent; font-size: inherit; }
.prose img { height: auto; margin-inline: auto; border-radius: 8px; cursor: zoom-in; box-shadow: var(--shadow-whisper); }
.prose figure { margin-inline: min(-5vw, -30px); text-align: center; }
.prose figcaption { margin-top: 10px; color: var(--ink-soft); font-family: var(--font-sans); font-size: 11px; font-style: italic; }
.prose hr { width: 70px; height: 1px; margin: 3.5em auto; border: 0; background: var(--border-strong); }
.prose hr + h2 { border-top: 0; }
.post-page .prose > hr:first-child { display: none; }
.post-page .prose > h2:first-child { padding-top: 0; border-top: 0; }
.prose ul, .prose ol { padding-left: 1.5em; }
.prose li { margin: 0.5em 0; padding-left: 0.25em; }
.prose li::marker { color: var(--accent); }
.prose table { display: block; width: 100%; overflow-x: auto; border-spacing: 0; border-collapse: collapse; font-family: var(--font-sans); font-size: 13px; }
.prose th, .prose td { min-width: 100px; padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
.prose th { color: var(--ink-strong); font-weight: 600; }

.post-tags { display: flex; gap: 8px; align-items: center; margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--ink-soft); font-size: 11px; }
.post-tags > span { margin-right: 4px; font-family: var(--font-serif); font-style: italic; }
.post-tags a { padding: 3px 8px; border-radius: 5px; background: var(--paper-deep); color: var(--ink-muted); }
.post-tags a:hover { color: var(--accent-strong); }
.post-note { display: flex; align-items: center; justify-content: space-between; margin-top: 38px; padding: 18px 20px; border: 1px solid var(--border); border-radius: 7px; background: color-mix(in srgb, var(--paper-deep) 55%, transparent); }
.post-note div { display: flex; flex-direction: column; }
.post-note span { color: var(--ink-soft); font-size: 10px; }
.post-note strong { color: var(--ink-muted); font-family: var(--font-serif); font-size: 13px; font-weight: 500; }
.copy-link, .text-button { padding: 0; border-bottom: 1px solid var(--border-strong); background: transparent; color: var(--ink-muted); font-size: 11px; cursor: pointer; }
.copy-link:hover, .text-button:hover { border-color: var(--accent); color: var(--accent-strong); }
.post-neighbors { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 70px; overflow: hidden; border: 1px solid var(--border); border-radius: 8px; background: var(--border); }
.neighbor { display: flex; min-height: 110px; padding: 20px; flex-direction: column; justify-content: center; background: var(--paper); }
.neighbor.next { align-items: flex-end; text-align: right; }
.neighbor span { margin-bottom: 7px; color: var(--ink-soft); font-size: 10px; }
.neighbor a { color: var(--ink-strong); font-family: var(--font-serif); font-size: 15px; }
.neighbor a:hover { color: var(--accent-strong); }
.page-entry { max-width: var(--content-copy); padding-block: 110px 130px; }
.page-header { margin-bottom: 70px; text-align: center; }

.comments-area { margin-top: 110px; padding-top: 64px; border-top: 1px solid var(--border); }
.comments-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 38px; }
.comments-heading h2 { font-size: 28px; }
.comments-heading > a { color: var(--ink-muted); font-size: 11px; }
.comments-heading > a:hover { color: var(--accent-strong); }
.comment-list, .comment-children { margin: 0; padding: 0; list-style: none; }
.comment-item { margin: 22px 0; }
.comment-card { display: grid; grid-template-columns: 44px 1fr; gap: 15px; }
.comment-avatar img, .comment-avatar > span { width: 44px; height: 44px; border-radius: 50%; }
.comment-avatar > span { display: grid; place-items: center; border: 1px solid var(--border); background: var(--paper-deep); color: var(--ink-muted); font-family: var(--font-serif); font-size: 15px; }
.comment-main { min-width: 0; padding-bottom: 22px; border-bottom: 1px solid var(--border); }
.comment-head { display: flex; gap: 12px; align-items: center; justify-content: space-between; }
.comment-author { color: var(--ink-strong); font-size: 13px; font-weight: 600; }
.comment-badge { margin-left: 6px; padding: 2px 5px; border-radius: 4px; background: var(--accent-soft); color: var(--accent-strong); font-size: 9px; }
.comment-time { color: var(--ink-soft); font-family: var(--font-serif); font-size: 10px; font-style: italic; }
.comment-content { margin-top: 9px; color: var(--ink-muted); font-family: var(--font-serif); font-size: 14px; line-height: 1.8; }
.comment-content p { margin: 0.55em 0; }
.comment-actions { margin-top: 8px; }
.comment-actions a { color: var(--ink-soft); font-size: 10px; }
.comment-actions a:hover { color: var(--accent-strong); }
.comment-children { margin-left: 58px; }
.comment-pagination ol { display: flex; gap: 8px; padding: 0; list-style: none; }
.comment-pagination a, .comment-pagination span { font-size: 11px; }
.respond { margin-top: 56px; padding: 28px; border: 1px solid var(--border); border-radius: 10px; background: color-mix(in srgb, var(--paper-deep) 52%, transparent); box-shadow: var(--shadow-whisper); }
.respond h3 { margin: 0; color: var(--ink-strong); font-family: var(--font-serif); font-size: 22px; font-weight: 500; }
.respond-note { margin: 6px 0 24px; color: var(--ink-soft); font-size: 11px; }
.cancel-comment-reply { float: right; font-size: 11px; }
.comment-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.comment-form label { display: flex; gap: 6px; flex-direction: column; }
.comment-form label > span { color: var(--ink-muted); font-size: 10px; }
.comment-form input, .comment-form textarea, .search-form input { width: 100%; border: 1px solid var(--border); border-radius: 6px; outline: none; background: var(--paper); transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.comment-form input { height: 40px; padding: 0 11px; }
.comment-form textarea { min-height: 150px; padding: 12px; resize: vertical; line-height: 1.7; }
.comment-form input:focus, .comment-form textarea:focus, .search-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.comment-textarea { margin-top: 14px; }
.comment-submit-row { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; }
.comment-submit-row > span { color: var(--ink-soft); font-size: 10px; }
.button { display: inline-grid; min-height: 40px; padding: 0 18px; place-items: center; border: 1px solid var(--accent); border-radius: 6px; background: var(--accent); color: var(--accent-contrast); font-size: 12px; cursor: pointer; transition: filter 0.2s ease, transform 0.25s var(--ease); }
.button:hover { filter: brightness(0.94); transform: translateY(-1px); }
.comment-form[aria-busy="true"] .button { opacity: 0.68; cursor: wait; transform: none; }
.comment-dialog { position: fixed; inset: 0; z-index: 700; display: grid; padding: 24px; place-items: center; background: rgba(8, 9, 11, 0.58); backdrop-filter: blur(12px); }
.comment-dialog[hidden] { display: none; }
.comment-dialog-panel { position: relative; width: min(100%, 430px); padding: 34px 32px 30px; border: 1px solid var(--border-strong); border-radius: 12px; background: var(--paper); box-shadow: 0 28px 90px rgba(0, 0, 0, 0.28); text-align: center; }
.comment-dialog-close { position: absolute; top: 12px; right: 12px; display: grid; width: 34px; height: 34px; padding: 0; place-items: center; border-radius: 50%; background: transparent; color: var(--ink-soft); font-size: 21px; cursor: pointer; }
.comment-dialog-close:hover { background: var(--paper-deep); color: var(--accent-strong); }
.comment-dialog-mark { display: grid; width: 42px; height: 42px; margin: 0 auto 16px; place-items: center; border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--border)); border-radius: 50%; background: var(--accent-soft); color: var(--accent-strong); font-family: var(--font-serif); font-size: 22px; }
.comment-dialog h4 { margin: 0; color: var(--ink-strong); font-family: var(--font-serif); font-size: 24px; font-weight: 500; }
.comment-dialog p { margin: 12px 0 24px; color: var(--ink-muted); font-size: 14px; line-height: 1.8; }
.comments-closed { display: flex; gap: 10px; align-items: center; color: var(--ink-soft); font-family: var(--font-serif); font-style: italic; }

.site-footer { position: relative; isolation: isolate; width: 100%; margin: 0; padding: 68px 0 28px; }
.site-footer::before { position: absolute; top: 36px; right: 0; bottom: 0; left: 0; z-index: -1; pointer-events: none; content: ""; background: linear-gradient(to bottom, transparent 0, var(--footer-tint) 32px, var(--footer-tint) 100%); }
.footer-shell { width: min(calc(100% - 48px), var(--content-wide)); margin: 0 auto; }
.footer-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 50px; }
.footer-title { display: inline-block; padding: 3px 4px 5px 0; color: var(--ink-strong); font-family: "Great Vibes", "Segoe Script", "Snell Roundhand", cursive; font-size: 36px; font-weight: 400; line-height: 1; clip-path: inset(0 100% 0 0); opacity: 0; filter: blur(0.8px); transform: translateY(1px); animation: footer-signature 4.8s linear infinite; will-change: clip-path, opacity, filter, transform; }
.footer-brand p { margin: 7px 0 0; color: var(--ink-soft); font-family: var(--font-serif); font-size: 14px; font-style: italic; line-height: 1.7; }
.footer-groups { display: flex; gap: 70px; }
.footer-group { display: flex; gap: 5px; min-width: 90px; flex-direction: column; }
.footer-group span { margin-bottom: 7px; color: var(--ink); font-family: inherit; font-size: 13px; font-style: normal; }
.footer-group a { color: var(--ink-muted); font-size: 13px; }
.footer-group a:hover, .footer-bottom a:hover { color: var(--accent-strong); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 52px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--ink-soft); font-size: 12px; line-height: 1.7; }
.filing-links { display: flex; gap: 12px; }

@keyframes footer-signature {
    0%, 6% { clip-path: inset(0 100% 0 0); opacity: 0; filter: blur(0.8px); transform: translateY(1px); animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1); }
    13% { clip-path: inset(0 0 0 0); opacity: 1; filter: blur(0); transform: translateY(0); }
    70% { clip-path: inset(0 0 0 0); opacity: 1; filter: blur(0); transform: translateY(0); animation-timing-function: cubic-bezier(0.55, 0, 1, 0.45); }
    77%, 100% { clip-path: inset(0 0 0 100%); opacity: 0; filter: blur(0.6px); transform: translateY(-1px); }
}

.back-to-top { position: fixed; right: 24px; bottom: 24px; z-index: 80; opacity: 0; pointer-events: none; transform: translateY(10px); }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.image-viewer, .search-overlay { position: fixed; inset: 0; z-index: 500; display: grid; padding: 28px; place-items: center; background: color-mix(in srgb, var(--paper) 78%, transparent); backdrop-filter: blur(24px); }
.image-viewer[hidden], .search-overlay[hidden] { display: none; }
.image-viewer img { max-width: min(92vw, 1400px); max-height: 88vh; border-radius: 8px; box-shadow: 0 30px 100px rgba(0, 0, 0, 0.22); }
.image-viewer button, .search-close { position: absolute; top: 24px; right: 24px; width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 50%; background: var(--paper-deep); cursor: pointer; }
.search-panel { width: min(92vw, 620px); }
.search-panel .eyebrow { text-align: center; }
.search-panel h2 { margin: 0 0 24px; color: var(--ink-strong); font-family: var(--font-serif); font-size: clamp(30px, 6vw, 50px); font-weight: 500; text-align: center; }
.search-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.search-form input { height: 48px; padding: 0 14px; font-size: 16px; }

.not-found, .empty-state { display: flex; min-height: 65vh; padding-block: 100px; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.error-code, .empty-state > span { margin: 0; color: var(--accent); font-family: var(--font-serif); font-size: 72px; font-style: italic; }
.not-found h1, .empty-state h2 { margin: 6px 0; color: var(--ink-strong); font-family: var(--font-serif); font-size: 32px; font-weight: 500; }
.not-found > p:not(.error-code), .empty-state p { margin: 0 0 24px; color: var(--ink-muted); }
.not-found-actions { display: flex; gap: 18px; align-items: center; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.75s var(--ease), transform 0.75s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
    .article-layout { display: block; max-width: var(--content-copy); }
    .article-aside { display: none; }
    .prose figure { margin-inline: 0; }
    .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    :root { --header-height: 58px; }
    .section-shell, .footer-shell { width: min(calc(100% - 32px), var(--content-wide)); }
    .site-header { height: var(--header-height); padding: 8px 16px; }
    .header-inner { height: 42px; }
    .nav-toggle { position: absolute; left: 0; display: grid; width: 38px; height: 38px; padding: 0; place-items: center; border: 1px solid var(--border); border-radius: 50%; background: color-mix(in srgb, var(--paper) 80%, transparent); cursor: pointer; backdrop-filter: blur(12px); }
    .nav-toggle span { grid-area: 1 / 1; width: 14px; height: 1px; background: var(--ink); transition: transform 0.3s var(--ease); }
    .nav-toggle span:first-child { transform: translateY(-3px); }
    .nav-toggle span:last-child { transform: translateY(3px); }
    .nav-toggle[aria-expanded="true"] span:first-child { transform: rotate(45deg); }
    .nav-toggle[aria-expanded="true"] span:last-child { transform: rotate(-45deg); }
    .site-nav { position: fixed; top: 62px; right: 16px; left: 16px; display: grid; gap: 3px; padding: 8px; border-radius: 5px; opacity: 0; pointer-events: none; transform: translateY(-10px) scale(0.98); transition: opacity 0.25s ease, transform 0.3s var(--ease); }
    .site-nav.is-open { opacity: 1; pointer-events: auto; transform: none; }
    .site-nav > a, .nav-articles > a { display: block; padding: 10px 12px; text-align: center; }
    .site-nav > a.is-active, .nav-articles > a.is-active { background: var(--paper-deep); }
    .nav-indicator, .article-menu { display: none !important; }
    .nav-articles { display: contents; }
    .nav-articles::after { display: none; }
    .search-button { display: none; }
    .home-hero { min-height: 390px; padding-block: 56px 34px; }
    .hero-avatar { width: 72px; margin-bottom: 20px; }
    .home-hero h1 { font-size: clamp(27px, 8vw, 32px); }
    .writing-section { padding-block: 32px 90px; }
    .post-list { gap: 8px; }
    .post-row { grid-template-columns: 34px minmax(0, 1fr); gap: 10px; padding-block: 22px; }
    .post-row:hover .post-row-main, .post-row:focus-within .post-row-main { transform: translateX(3px); }
    .post-arrow { display: none; }
    .post-row h3 { font-size: 21px; }
    .archive-page { padding-block: 82px 100px; }
    .archive-header { margin-bottom: 52px; }
    .archive-item { grid-template-columns: 54px 1fr; gap: 16px; }
    .archive-item time span { font-size: 16px; }
    .archive-content h2 { font-size: 20px; }
    .post-header { padding-top: 84px; padding-bottom: 42px; }
    .post-summary { grid-template-columns: 1fr; gap: 6px; padding: 18px; }
    .prose { font-size: 15px; line-height: 1.85; }
    .prose h2 { font-size: 22px; }
    .post-neighbors { grid-template-columns: 1fr; }
    .neighbor.next { align-items: flex-start; text-align: left; }
    .comment-fields { grid-template-columns: 1fr; }
    .respond { padding: 20px; }
    .comment-children { margin-left: 24px; }
    .comment-card { grid-template-columns: 36px 1fr; gap: 10px; }
    .comment-avatar img, .comment-avatar > span { width: 36px; height: 36px; }
    .footer-groups { gap: 38px; }
    .footer-bottom { align-items: flex-start; flex-direction: column; gap: 10px; }
    .filing-links { align-items: flex-start; flex-direction: column; gap: 5px; }
    .back-to-top { right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
    .reveal { opacity: 1; transform: none; }
    .footer-title { clip-path: none; animation: none !important; }
}

@media print {
    :root { --paper: #fff; --ink: #111; --ink-strong: #000; }
    body { background: #fff; font-size: 12px; }
    body::before, .site-header, .site-footer, .article-aside, .post-neighbors, .comments-area, .back-to-top { display: none !important; }
    .post-page { padding: 0; }
    .post-header { padding-top: 20px; }
    .article-layout { display: block; width: 100%; }
    .article-column { max-width: none; }
    .prose { font-size: 12px; }
}

/* More navigation uses the same paper surface as the article menu. */
.nav-more{position:relative;display:flex}
.nav-more::after{position:absolute;top:100%;left:-16px;width:calc(100% + 32px);height:18px;content:""}
.nav-more>button{position:relative;z-index:2;padding:4px 10px;border-radius:5px;color:var(--ink-muted);font:inherit;font-size:13px;line-height:19px;white-space:nowrap;background:transparent;cursor:pointer;transition:color .2s ease}
.nav-more>button:hover,.nav-more>button.is-active{color:var(--ink-strong)}
.more-menu{position:absolute;top:calc(100% + 10px);left:50%;z-index:5;display:grid;gap:2px;width:184px;padding:8px;border:1px solid rgba(200,180,160,.08);border-radius:5px;background:var(--paper);box-shadow:0 8px 32px rgba(0,0,0,.1),0 2px 8px rgba(0,0,0,.04);visibility:hidden;opacity:0;pointer-events:none;transform:translate(-50%,-4px);transform-origin:50% 0;transition:opacity .12s ease,transform .16s var(--ease),visibility 0s .16s}
.nav-more.is-menu-open .more-menu{visibility:visible;opacity:1;pointer-events:auto;transform:translate(-50%,0);transition-delay:0s}
.more-menu a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 11px;border-radius:4px;color:var(--ink-muted);font-size:12px;line-height:1.6;transition:color .12s ease,background-color .12s ease,transform .16s var(--ease)}
.more-menu a:hover,.more-menu a:focus-visible{color:var(--ink-strong);background:var(--paper-deep);transform:translateX(2px)}
.more-menu a>span:last-child{color:var(--ink-soft);font-size:12px}
html[data-theme="dark"] .more-menu{border-color:rgba(64,64,64,.2);background:#000;box-shadow:0 8px 32px rgba(0,0,0,.3)}
@media(max-width:720px){
    .nav-more{display:flex;flex-direction:column;min-width:0}
    .nav-more::after{display:none}
    .nav-more>button{display:block;width:100%;padding:10px 12px;text-align:center}
    .nav-more>button.is-active{background:var(--paper-deep)}
    .more-menu{position:static;left:auto;top:auto;width:100%;max-height:0;overflow:hidden;padding:0 8px;border:0;box-shadow:none;background:transparent;transform:translateY(-4px);transition:max-height .24s var(--ease),padding .24s var(--ease),opacity .18s ease,transform .24s var(--ease),visibility 0s .24s}
    .nav-more.is-menu-open .more-menu{max-height:150px;padding:6px 8px;transform:none}
    .more-menu a{padding:10px 14px;background:var(--paper-deep)}
    html[data-theme="dark"] .more-menu{background:transparent;box-shadow:none}
}
@media(prefers-reduced-motion:reduce){.more-menu,.more-menu a{transition:none}}

/* One moving paper surface connects the two desktop dropdowns. */
.nav-dropdown-surface{display:none}
@media(min-width:721px){
    .has-shared-dropdown .nav-dropdown-surface{display:block;position:absolute;top:0;left:0;z-index:3;pointer-events:none;border:1px solid rgba(200,180,160,.08);border-radius:5px;background:var(--paper);box-shadow:0 8px 32px rgba(0,0,0,.1),0 2px 8px rgba(0,0,0,.04);opacity:0;visibility:hidden;will-change:transform,width,height;transition:transform .28s var(--ease),width .28s var(--ease),height .28s var(--ease),opacity .16s ease,visibility 0s .28s}
    .has-shared-dropdown .nav-dropdown-surface.is-visible{opacity:1;visibility:visible;transition-delay:0s}
    .has-shared-dropdown .nav-articles .article-menu,.has-shared-dropdown .nav-more .more-menu{z-index:4;background:transparent;border-color:transparent;box-shadow:none;opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,-4px);transition:opacity .12s ease,transform .20s var(--ease),visibility 0s .12s}
    .has-shared-dropdown .nav-articles.is-menu-open .article-menu,.has-shared-dropdown .nav-more.is-menu-open .more-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);transition-delay:0s}
    html[data-theme="dark"] .has-shared-dropdown .nav-dropdown-surface{border-color:rgba(64,64,64,.2);background:#000;box-shadow:0 8px 32px rgba(0,0,0,.3)}
    html[data-theme="dark"] .has-shared-dropdown .article-menu,html[data-theme="dark"] .has-shared-dropdown .more-menu{background:transparent;border-color:transparent;box-shadow:none}
}
@media(prefers-reduced-motion:reduce){.has-shared-dropdown .nav-dropdown-surface,.has-shared-dropdown .article-menu,.has-shared-dropdown .more-menu{transition:none;will-change:auto}}