/* ============================================================
   橙照 · 基础层
   全局排版、Quarto 文档骨架、代码/提示框/表格/目录与可访问性。
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--cz-bg);
  color: var(--cz-ink);
  font-family: var(--cz-font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60rem 42rem at 8% -8%, rgba(201, 154, 63, 0.16), transparent 62%),
    radial-gradient(48rem 36rem at 105% 18%, rgba(191, 83, 39, 0.1), transparent 60%),
    radial-gradient(52rem 40rem at 50% 110%, rgba(78, 107, 88, 0.1), transparent 65%);
}

html[data-theme="dark"] body::before {
  background:
    radial-gradient(60rem 42rem at 8% -8%, rgba(224, 178, 94, 0.1), transparent 62%),
    radial-gradient(48rem 36rem at 105% 18%, rgba(233, 138, 92, 0.1), transparent 60%),
    radial-gradient(52rem 40rem at 50% 110%, rgba(157, 184, 164, 0.07), transparent 65%);
}

/* ---------- 排版 ---------- */

h1,
h2,
h3,
h4,
h5,
h6,
.title {
  margin: 0 0 0.6em;
  color: var(--cz-ink);
  font-family: var(--cz-font-display);
  font-weight: 560;
  line-height: 1.12;
  letter-spacing: -0.015em;
  font-variation-settings: "SOFT" 20, "WONK" 0;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.4rem, 4.4vw, 3.7rem);
}

h2 {
  margin-top: 2.4em;
  font-size: clamp(1.7rem, 2.6vw, 2.35rem);
}

h3 {
  margin-top: 1.9em;
  font-size: clamp(1.3rem, 1.7vw, 1.55rem);
}

h4 {
  font-size: 1.12rem;
  letter-spacing: 0;
}

p {
  margin: 0 0 1.15em;
}

strong,
b {
  color: var(--cz-ink);
  font-weight: 600;
}

em,
i {
  font-family: var(--cz-font-reading);
}

small {
  font-size: 0.86em;
  color: var(--cz-ink-2);
}

a {
  color: var(--cz-accent-strong);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, var(--cz-accent) 42%, transparent);
  text-underline-offset: 0.2em;
  transition: color 160ms var(--cz-ease), text-decoration-color 160ms var(--cz-ease);
}

a:hover {
  color: var(--cz-accent);
  text-decoration-color: currentColor;
}

hr {
  margin: 3rem 0;
  border: 0;
  border-top: 1px solid var(--cz-line);
}

::marker {
  color: var(--cz-accent);
}

ul,
ol {
  padding-left: 1.4em;
}

li {
  margin: 0.35em 0;
}

blockquote {
  margin: 2rem 0;
  padding: 1.2rem 1.5rem;
  border-left: 3px solid var(--cz-accent);
  border-radius: 0 var(--cz-radius-sm) var(--cz-radius-sm) 0;
  background: color-mix(in srgb, var(--cz-accent-soft) 38%, transparent);
  color: var(--cz-ink-2);
  font-family: var(--cz-font-reading);
  font-size: 1.08em;
}

blockquote p:last-child {
  margin-bottom: 0;
}

kbd {
  padding: 0.15em 0.45em;
  border: 1px solid var(--cz-line-strong);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--cz-bg-deep);
  font-family: var(--cz-font-mono);
  font-size: 0.8em;
  color: var(--cz-ink-2);
}

mark {
  padding: 0 0.15em;
  background: var(--cz-accent-soft);
  color: var(--cz-ink);
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
}

figure {
  margin: 2rem 0;
}

figcaption,
.figure-caption {
  margin-top: 0.65rem;
  color: var(--cz-ink-3);
  font-family: var(--cz-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

/* ---------- Quarto 页面骨架 ---------- */

#quarto-content {
  padding-top: 0;
}

#quarto-content.page-layout-custom,
#quarto-content.page-layout-full {
  margin-inline: auto;
}

.quarto-container {
  max-width: var(--cz-container);
}

main.content {
  padding-top: clamp(2rem, 4vw, 3.25rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

/* 自定义内页自己排标题，隐藏 Quarto 的默认 title block。 */
body:has(.cz-page) #title-block-header {
  display: none;
}

body:has(.cz-page) main.content {
  padding-top: 0;
}

main.cz-home-main {
  padding: 0;
}

.quarto-document-content {
  max-width: var(--cz-reading);
}

.page-layout-custom .quarto-document-content,
.page-layout-full .quarto-document-content {
  max-width: none;
}

#quarto-margin-sidebar {
  top: calc(var(--cz-nav-height) + 1.5rem);
}

/* ---------- 标题区 ---------- */

.quarto-title-block {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.quarto-title-block .title {
  margin-bottom: 0.35em;
  font-size: clamp(2.5rem, 5vw, 4.1rem);
}

.quarto-title-block .subtitle {
  margin-bottom: 1rem;
  color: var(--cz-ink-2);
  font-family: var(--cz-font-reading);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  font-weight: 400;
}

.description {
  max-width: 46rem;
  color: var(--cz-ink-2);
  font-family: var(--cz-font-reading);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.75;
}

.quarto-title-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
  margin-top: 1.4rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--cz-line);
  color: var(--cz-ink-3);
  font-family: var(--cz-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.quarto-title-meta-heading {
  color: var(--cz-ink-3);
  font-weight: 400;
  opacity: 1;
}

.quarto-title-meta-contents {
  color: var(--cz-ink-2);
  font-family: var(--cz-font-body);
  font-size: 0.86rem;
  letter-spacing: 0;
  text-transform: none;
}

.quarto-category {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--cz-line-strong);
  border-radius: 999px;
  color: var(--cz-ink-2);
  font-family: var(--cz-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.quarto-category:hover {
  border-color: var(--cz-accent);
  color: var(--cz-accent);
}

/* ---------- 正文细节 ---------- */

.content p,
.content li {
  text-wrap: pretty;
}

.content h2 {
  scroll-margin-top: calc(var(--cz-nav-height) + 1.5rem);
}

.content h3 {
  scroll-margin-top: calc(var(--cz-nav-height) + 1.25rem);
}

.content a:not(.btn):not(.quarto-category) {
  font-weight: 500;
}

.quarto-figure-center {
  text-align: center;
}

.column-margin {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--cz-ink-2);
}

/* ---------- 代码 ---------- */

code {
  padding: 0.12em 0.36em;
  border: 1px solid var(--cz-line);
  border-radius: 6px;
  background: var(--cz-bg-deep);
  color: var(--cz-accent-strong);
  font-family: var(--cz-font-mono);
  font-size: 0.86em;
}

pre {
  position: relative;
  margin: 1.6rem 0;
  padding: 1.25rem 1.35rem;
  overflow: auto;
  border: 1px solid rgba(244, 234, 217, 0.12);
  border-radius: var(--cz-radius);
  background: #1b1713;
  color: #f4ead9;
  font-family: var(--cz-font-mono);
  font-size: 0.84rem;
  line-height: 1.72;
  box-shadow: var(--cz-shadow-soft);
}

html[data-theme="dark"] pre {
  background: #0d0b09;
}

pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1em;
}

div.sourceCode {
  margin: 1.6rem 0;
}

div.sourceCode pre {
  margin: 0;
}

.code-with-filename {
  margin: 1.6rem 0;
  border-radius: var(--cz-radius);
  overflow: hidden;
}

.code-with-filename .code-with-filename-file {
  padding: 0.55rem 1.1rem;
  border: 1px solid rgba(244, 234, 217, 0.12);
  border-bottom: 0;
  border-radius: var(--cz-radius) var(--cz-radius) 0 0;
  background: #241e18;
  color: #c9bba7;
  font-family: var(--cz-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.code-with-filename pre {
  margin: 0;
  border-radius: 0 0 var(--cz-radius) var(--cz-radius);
}

.code-copy-button {
  top: 0.6rem;
  right: 0.6rem;
  border-radius: 8px;
  background: rgba(244, 234, 217, 0.1);
  color: #f4ead9;
}

.code-copy-button:hover {
  background: var(--cz-accent);
  color: #fffaf1;
}

/* ---------- 提示框 ---------- */

.callout {
  margin: 1.8rem 0;
  border: 1px solid var(--cz-line);
  border-left: 3px solid var(--cz-accent);
  border-radius: var(--cz-radius-sm);
  background: color-mix(in srgb, var(--cz-surface-solid) 72%, transparent);
  box-shadow: none;
}

.callout.callout-style-default > .callout-header {
  padding: 0.9rem 1.15rem;
  background: transparent;
  font-family: var(--cz-font-display);
  font-weight: 560;
}

.callout .callout-body-container {
  padding: 0 1.15rem 1rem;
}

.callout.callout-note {
  border-left-color: var(--cz-sage);
}

.callout.callout-tip {
  border-left-color: var(--cz-gold);
}

.callout.callout-warning {
  border-left-color: var(--cz-gold);
}

.callout.callout-caution,
.callout.callout-important {
  border-left-color: var(--cz-accent);
}

.callout p:last-child {
  margin-bottom: 0;
}

/* ---------- 表格 ---------- */

table {
  width: 100%;
  margin: 1.8rem 0;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.65;
}

thead th {
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--cz-line-strong);
  background: var(--cz-bg-deep);
  color: var(--cz-ink);
  font-family: var(--cz-font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-align: left;
  text-transform: uppercase;
}

tbody td {
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--cz-line);
  vertical-align: top;
}

tbody tr:hover {
  background: color-mix(in srgb, var(--cz-accent-soft) 24%, transparent);
}

/* ---------- 目录 ---------- */

#TOC {
  padding-left: 0;
  border-left: 1px solid var(--cz-line);
  font-size: 0.82rem;
  line-height: 1.5;
}

#TOC .toc-title {
  margin-bottom: 0.65rem;
  color: var(--cz-ink-3);
  font-family: var(--cz-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

#TOC a {
  display: block;
  padding: 0.28rem 0 0.28rem 0.9rem;
  border-left: 2px solid transparent;
  color: var(--cz-ink-2);
  text-decoration: none;
}

#TOC a:hover,
#TOC a.active {
  border-left-color: var(--cz-accent);
  color: var(--cz-accent);
}

#TOC ul {
  padding-left: 0.7rem;
  list-style: none;
}

#TOC > ul {
  padding-left: 0;
}

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border: 1px solid var(--cz-line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--cz-ink);
  font-family: var(--cz-font-body);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: transform 180ms var(--cz-ease), background 180ms var(--cz-ease), border-color 180ms var(--cz-ease), color 180ms var(--cz-ease);
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--cz-accent);
  color: var(--cz-accent);
}

.btn-primary,
.btn.btn-primary {
  border-color: var(--cz-accent);
  background: var(--cz-accent);
  color: #fffaf1;
}

.btn-primary:hover,
.btn.btn-primary:hover {
  background: var(--cz-accent-strong);
  border-color: var(--cz-accent-strong);
  color: #fffaf1;
}

/* ---------- 分页导航 ---------- */

.page-navigation {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--cz-line);
}

.page-navigation a {
  padding: 1rem 1.1rem;
  border: 1px solid var(--cz-line);
  border-radius: var(--cz-radius-sm);
  color: var(--cz-ink);
  text-decoration: none;
  transition: border-color 180ms var(--cz-ease), transform 180ms var(--cz-ease);
}

.page-navigation a:hover {
  transform: translateY(-2px);
  border-color: var(--cz-accent);
}

.page-navigation .nav-page-title {
  display: block;
  margin-top: 0.2rem;
  color: var(--cz-accent);
  font-family: var(--cz-font-display);
  font-size: 1.05rem;
}

/* ---------- 搜索 / 返回顶部 ---------- */

#quarto-search {
  margin-left: 0.25rem;
}

.aa-Autocomplete .aa-Form,
.aa-DetachedFormContainer {
  border: 1px solid var(--cz-line);
  border-radius: 999px;
  background: var(--cz-surface);
  color: var(--cz-ink);
}

.aa-DetachedOverlay {
  background: color-mix(in srgb, var(--cz-bg) 88%, transparent);
  backdrop-filter: blur(10px);
}

#quarto-back-to-top {
  border: 1px solid var(--cz-line);
  border-radius: 999px;
  background: var(--cz-surface);
  color: var(--cz-ink-2);
  font-size: 0.75rem;
}

#quarto-back-to-top:hover {
  border-color: var(--cz-accent);
  color: var(--cz-accent);
}

/* ---------- 无障碍与动效 ---------- */

:focus-visible {
  outline: 3px solid var(--cz-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.cz-skip {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 3000;
  padding: 0.65rem 1rem;
  border-radius: 0 0 10px 10px;
  background: var(--cz-ink);
  color: var(--cz-bg);
  font-size: 0.85rem;
  text-decoration: none;
  transition: top 160ms var(--cz-ease);
}

.cz-skip:focus {
  top: 0;
  color: var(--cz-bg);
}

.cz-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2500;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cz-gold), var(--cz-accent));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms var(--cz-ease) var(--reveal-delay, 0ms), transform 700ms var(--cz-ease) var(--reveal-delay, 0ms);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 移动端 ---------- */

@media (max-width: 991.98px) {
  body {
    font-size: 1rem;
  }

  main.content {
    padding-top: 1.75rem;
  }

  .quarto-title-block .title {
    font-size: clamp(2.2rem, 8vw, 3.2rem);
  }

  #quarto-margin-sidebar {
    display: none;
  }
}

@media (max-width: 575.98px) {
  .quarto-title-meta {
    gap: 0.9rem;
  }

  .page-navigation {
    grid-template-columns: 1fr;
  }
}