/* dij.me 共用样式
   纯 CSS + 一小段本站脚本（site.js，只做锦上添花）；无外部字体、无第三方请求。
   ── 调节项都在 :root 里 ── */
:root {
  --bg: #0e0c1d;
  --bg-soft: #16132b;
  --card: rgba(255, 255, 255, 0.045);
  --line: rgba(230, 225, 255, 0.12);
  --text: #e9e6f5;
  --muted: #a39fbd;
  --accent: #b9a8ff;     /* 主色：Claude（本喵）的气泡 */
  --accent-2: #8fd6d0;   /* 副色：dij（主人）的气泡 */
  --ok: #7fd6a8;         /* 实测 */
  --warn: #e8c06a;       /* 推测 */
  --bad: #f19aa8;        /* 更正 / 认错 */
  --na: #9b98ad;         /* 查不了 */
  --radius: 14px;
  --max: 46rem;          /* 文章页正文宽度 */
  --max-wide: 66rem;     /* 首页、对话页宽度 */
  color-scheme: dark;
}
/* 浅色：跟随系统，或手动切换（html[data-theme=light]） */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f5fb; --bg-soft: #ecebf5; --card: #ffffff;
    --line: rgba(30, 25, 70, 0.12); --text: #1c1a2e; --muted: #625e7a;
    --accent: #5b45d6; --accent-2: #157a73;
    --ok: #1d7a4c; --warn: #8a5a00; --bad: #b4233c; --na: #6b6880;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f6f5fb; --bg-soft: #ecebf5; --card: #ffffff;
  --line: rgba(30, 25, 70, 0.12); --text: #1c1a2e; --muted: #625e7a;
  --accent: #5b45d6; --accent-2: #157a73;
  --ok: #1d7a4c; --warn: #8a5a00; --bad: #b4233c; --na: #6b6880;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1.5rem; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.75 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-2); }
img { max-width: 100%; height: auto; display: block; }
code { font: .9em/1.4 ui-monospace, "Cascadia Code", Consolas, monospace; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: .05em .35em; overflow-wrap: anywhere; }
pre { font: .85rem/1.55 ui-monospace, "Cascadia Code", Consolas, monospace; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: .7rem .9rem; overflow-x: auto; margin: .6rem 0; }
pre code { background: none; border: 0; padding: 0; overflow-wrap: normal; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.wrap.wide { max-width: var(--max-wide); }
[hidden] { display: none !important; }  /* 脚本没跑时，筛选、切换按钮保持隐藏 */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* 页面切换动画（Chrome 126+ 的跨文档 View Transitions，不支持的浏览器直接跳转） */
@view-transition { navigation: auto; }

/* 顶部导航 */
.nav { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 18px 0; font-size: .95rem; }
.nav a { color: inherit; text-decoration: none; opacity: .85; }
.nav a:hover { opacity: 1; color: inherit; }
.nav .brand { font-weight: 600; letter-spacing: .04em; display: flex; align-items: center; gap: .5rem; }
.nav .brand img { width: 22px; height: 22px; }
.nav .links { display: flex; align-items: center; gap: 1.2rem; }
.theme-toggle {
  font: inherit; font-size: .82rem; color: inherit; background: transparent; cursor: pointer;
  border: 1px solid var(--line); border-radius: 999px; padding: .1rem .7rem; opacity: .85;
}
.theme-toggle:hover { opacity: 1; border-color: var(--accent); }
.hero .theme-toggle { border-color: rgba(241, 238, 255, .3); }

/* 星空头图：始终是深色，不跟随浅色模式 */
.hero {
  color: #f1eeff;
  background-color: #0e0c1d;
  background-image: linear-gradient(to bottom, rgba(14, 12, 29, 0) 55%, var(--bg)),
    url("img/starry-1920.jpg");
  background-size: cover;
  background-position: center top;
}
@media (max-width: 800px) {
  .hero {
    background-image: linear-gradient(to bottom, rgba(14, 12, 29, 0) 55%, var(--bg)),
      url("img/starry-1280.jpg");
  }
}
.hero .nav a { color: #f1eeff; }
.hero-body { padding: 9vh 0 10vh; }
.hero h1 { font-size: clamp(2.4rem, 7vw, 3.6rem); line-height: 1.1; margin: 0 0 .6rem; letter-spacing: .02em; font-weight: 650; }
.hero p { margin: 0; max-width: 34rem; color: rgba(241, 238, 255, .82); font-size: 1.05rem; }

/* 正文区块 */
section { padding: 2.2rem 0; }
h2 { font-size: 1.25rem; margin: 0 0 1rem; letter-spacing: .02em; }
h2 small { font-weight: 400; color: var(--muted); font-size: .85rem; margin-left: .5rem; }
h3 { font-size: 1.05rem; margin: 1.8rem 0 .5rem; }
.muted { color: var(--muted); }

.card {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.1rem 1.2rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); color: inherit; text-decoration: none;
  transition: border-color .15s, transform .15s;
}
a.card:hover { border-color: var(--accent); color: inherit; transform: translateY(-1px); }
.card img { width: 48px; height: 48px; flex: none; border-radius: 10px; }
.card .title { font-weight: 600; }
.card .desc { color: var(--muted); font-size: .95rem; margin: .15rem 0 0; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }
.tag { font-size: .78rem; padding: .05rem .55rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.grid { display: grid; gap: .8rem; }

.empty { padding: 1rem 1.2rem; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); }

/* 项目页 */
.lead { font-size: 1.1rem; }
.shot { border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; margin: 1.4rem 0 .4rem; }
.caption { font-size: .85rem; color: var(--muted); text-align: center; }
.feat { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.feat li { padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.feat b { display: block; }
.feat span { color: var(--muted); font-size: .92rem; }
ol.steps { padding-left: 1.3rem; }
ol.steps li { margin: .35rem 0; }
.btn {
  display: inline-block; padding: .55rem 1.1rem; border-radius: 999px; text-decoration: none;
  background: var(--accent); color: var(--bg); font-weight: 600;
}
.btn:hover { background: var(--accent-2); color: var(--bg); }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.2rem 0; }

footer { padding: 2.5rem 0 3rem; color: var(--muted); font-size: .85rem; border-top: 1px solid var(--line); margin-top: 2rem; }
footer p { margin: .2rem 0; }

/* ───────── 证据徽章：实测 / 推测 / 查不了 / 更正 ───────── */
.badge {
  display: inline-flex; align-items: center; gap: .3em; font-size: .72rem; line-height: 1.5;
  padding: 0 .5rem; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap;
}
.badge::before { content: ""; width: .45em; height: .45em; border-radius: 50%; background: currentColor; }
.badge.ok { color: var(--ok); }
.badge.warn { color: var(--warn); }
.badge.na { color: var(--na); }
.badge.bad { color: var(--bad); }

/* 分类标签 */
.cat { font-size: .75rem; font-weight: 600; letter-spacing: .05em; padding: .05rem .55rem; border-radius: 6px; background: color-mix(in srgb, var(--c) 16%, transparent); color: var(--c); }
.cat-fix { --c: var(--bad); }
.cat-work { --c: var(--accent-2); }
.cat-style { --c: var(--accent); }
.cat-measure { --c: var(--warn); }

/* ───────── 首页：数字条 + 筛选 + 对话卡片 ───────── */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); gap: .6rem; margin: 0 0 1.6rem; }
.stat { padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.stat b { display: block; font-size: 1.6rem; line-height: 1.2; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: .82rem; }
.stat.ok b { color: var(--ok); } .stat.warn b { color: var(--warn); } .stat.bad b { color: var(--bad); }

.chips { display: flex; flex-wrap: wrap; gap: .45rem; margin: 0 0 1rem; }
.chip {
  font: inherit; font-size: .85rem; cursor: pointer; color: var(--muted); background: transparent;
  border: 1px solid var(--line); border-radius: 999px; padding: .15rem .8rem;
}
.chip:hover { color: var(--text); border-color: var(--accent); }
.chip[aria-pressed="true"] { color: var(--bg); background: var(--accent); border-color: var(--accent); }

.talks { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); }
.talk-card {
  position: relative; display: flex; flex-direction: column; gap: .4rem;
  padding: 1.05rem 1.15rem 1rem 1.35rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); color: inherit; text-decoration: none; overflow: hidden;
  transition: border-color .15s, transform .15s;
}
.talk-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--c, var(--accent)); opacity: .85; }
.talk-card:hover { border-color: var(--c, var(--accent)); color: inherit; transform: translateY(-2px); }
.talk-card[hidden] { display: none; }
.talk-card h3 { margin: .1rem 0 0; font-size: 1.08rem; line-height: 1.4; }
.talk-card p { margin: 0; color: var(--muted); font-size: .92rem; }
.tc-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; font-size: .8rem; color: var(--muted); }
.evbar { display: flex; gap: 2px; height: 6px; border-radius: 3px; overflow: hidden; margin-top: auto; }
.evbar i { display: block; flex: var(--n) 1 0; background: var(--c); }
.evbar .ok { --c: var(--ok); } .evbar .warn { --c: var(--warn); } .evbar .na { --c: var(--na); } .evbar .bad { --c: var(--bad); }
.evlegend { display: flex; flex-wrap: wrap; gap: .4rem .8rem; font-size: .8rem; color: var(--muted); margin: .2rem 0 1rem; }
.evlegend .badge { font-size: .72rem; }

/* ───────── 对话页 ───────── */
.progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 10; background: linear-gradient(90deg, var(--accent-2), var(--accent)); transform-origin: 0 50%; transform: scaleX(0); }
@supports (animation-timeline: scroll()) {
  .progress { animation: grow linear both; animation-timeline: scroll(root); }
  @keyframes grow { to { transform: scaleX(1); } }
}
@supports not (animation-timeline: scroll()) { .progress { display: none; } }

.talk-head { padding: 1.2rem 0 .4rem; }
.talk-head h1 { font-size: clamp(1.6rem, 4.5vw, 2.2rem); line-height: 1.3; margin: .5rem 0 .6rem; }
.talk-head .tc-meta { font-size: .85rem; }
.tldr {
  margin: 1rem 0 0; padding: .9rem 1.1rem; border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 9%, var(--card)); border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
}
.tldr b:first-child { display: block; font-size: .78rem; letter-spacing: .08em; color: var(--accent); margin-bottom: .15rem; }
.howto { font-size: .85rem; color: var(--muted); margin: .9rem 0 0; display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .6rem; }
.view-switch { margin-left: auto; }

.talk { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem; padding-top: 1rem; }
@media (min-width: 1080px) {
  .talk { grid-template-columns: 12.5rem minmax(0, 1fr); gap: 2.5rem; }
  .toc { position: sticky; top: 1.5rem; align-self: start; max-height: calc(100vh - 3rem); overflow: auto; }
}
.toc { font-size: .88rem; }
.toc b { display: block; font-size: .75rem; letter-spacing: .08em; color: var(--muted); margin-bottom: .4rem; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc a { display: block; padding: .2rem 0 .2rem .8rem; margin-left: -1px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--text); }
.toc a[aria-current="true"] { color: var(--text); border-left-color: var(--accent); }
@media (max-width: 1079px) {
  .toc { border: 1px solid var(--line); border-radius: 12px; padding: .7rem 1rem; background: var(--card); }
  .toc ol { display: flex; flex-wrap: wrap; gap: .2rem .9rem; border: 0; }
  .toc a { padding: 0; border: 0; margin: 0; }
}

.thread h2 { font-size: 1.1rem; margin: 2.2rem 0 .4rem; padding-top: .4rem; }
.thread h2:first-child { margin-top: 0; }
.thread h2 .num { color: var(--accent); margin-right: .4rem; font-variant-numeric: tabular-nums; }

/* 一轮发言：旁注栏 + 气泡。Claude 在左，dij 在右（旁注栏跟着换边） */
.turn { display: grid; grid-template-columns: 6.2rem minmax(0, 1fr); gap: .9rem; margin: 1.1rem 0; align-items: start; }
.turn.me { grid-template-columns: minmax(0, 1fr) 6.2rem; }
.turn.me .gutter { order: 2; align-items: flex-start; text-align: left; }
.gutter { display: flex; flex-direction: column; align-items: flex-end; gap: .3rem; padding-top: .55rem; font-size: .78rem; color: var(--muted); text-align: right; }
.gutter time { font-variant-numeric: tabular-nums; }
.bubble {
  --c: var(--accent);
  position: relative; min-width: 0; padding: .7rem 1rem .75rem; border-radius: var(--radius);
  background: color-mix(in srgb, var(--c) 7%, var(--card)); border: 1px solid color-mix(in srgb, var(--c) 22%, var(--line));
  border-left: 3px solid var(--c);
}
.turn.me .bubble { --c: var(--accent-2); border-left-width: 1px; border-right: 3px solid var(--c); justify-self: end; max-width: min(100%, 36rem); }
.who { display: block; font-size: .75rem; font-weight: 650; letter-spacing: .06em; color: var(--c); margin-bottom: .15rem; }
.bubble > :last-child, .body > :last-child { margin-bottom: 0; }
.body p { margin: .35rem 0 .55rem; }
.body ul, .body ol { margin: .3rem 0 .6rem; padding-left: 1.3rem; }
.body li { margin: .15rem 0; }
.body h4 { font-size: .95rem; margin: .9rem 0 .3rem; }
.body blockquote { margin: .5rem 0; padding: .1rem .9rem; border-left: 3px solid var(--line); color: var(--muted); }
.body .scroll { overflow-x: auto; margin: .5rem 0 .7rem; }
.body table { border-collapse: collapse; font-size: .86rem; min-width: 100%; }
.body th, .body td { border-bottom: 1px solid var(--line); padding: .35rem .6rem; text-align: left; vertical-align: top; }
.body th { color: var(--muted); font-weight: 600; white-space: nowrap; }
.body td.num, .body th.num { text-align: right; font-variant-numeric: tabular-nums; }

details.more { margin-top: .5rem; border-top: 1px dashed var(--line); padding-top: .4rem; }
details.more > summary { cursor: pointer; font-size: .84rem; color: var(--c); list-style: none; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before { content: "▸ "; }
details.more[open] > summary::before { content: "▾ "; }

/* 回看批注（10-15 写的复盘，和原话分开） */
.turn.note .bubble { --c: var(--warn); background: transparent; border: 1px dashed color-mix(in srgb, var(--warn) 55%, var(--line)); border-left: 3px solid var(--warn); }
.turn.note .who::after { content: " · 不是当时的原话"; font-weight: 400; color: var(--muted); letter-spacing: 0; }

/* 事件条：中间的旁白（「两小时后」「主人双击运行了脚本」） */
.event { display: flex; align-items: center; gap: .8rem; margin: 1.2rem 0; color: var(--muted); font-size: .82rem; text-align: center; }
.event::before, .event::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.event span { max-width: 32rem; }

/* 时间线 */
.timeline { list-style: none; margin: .6rem 0; padding: 0 0 0 1rem; border-left: 2px solid var(--line); }
.timeline li { position: relative; margin: 0 0 .55rem; padding-left: .4rem; }
.timeline li::before { content: ""; position: absolute; left: -1.42rem; top: .55em; width: .62rem; height: .62rem; border-radius: 50%; background: var(--bg); border: 2px solid var(--c, var(--muted)); }
.timeline li.hot { --c: var(--bad); }
.timeline time { font: .8rem/1 ui-monospace, Consolas, monospace; color: var(--muted); margin-right: .5rem; }

/* 条形对比图（SVG 由 build.py 生成） */
.chart { margin: .6rem 0 .8rem; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart text { fill: var(--text); font-size: 12px; font-family: inherit; }
.chart .lbl { fill: var(--muted); }
.chart .v20 { fill: var(--accent); } .chart .v11 { fill: var(--accent-2); }
.chart-legend { display: flex; gap: 1rem; font-size: .8rem; color: var(--muted); }
.chart-legend i { display: inline-block; width: .7rem; height: .7rem; border-radius: 2px; margin-right: .3rem; vertical-align: -1px; }

/* 精简模式：只看关键几轮（site.js 切换；没有脚本时始终是完整版） */
.thread.compact .turn:not(.key), .thread.compact .event, .thread.compact details.more { display: none; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin: 2.5rem 0 0; }
.pager a { display: block; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: inherit; background: var(--card); }
.pager a:hover { border-color: var(--accent); color: inherit; }
.pager small { display: block; color: var(--muted); font-size: .78rem; }
.pager .next { text-align: right; grid-column: 2; }

@media (max-width: 640px) {
  .turn, .turn.me { grid-template-columns: minmax(0, 1fr); gap: .25rem; }
  .gutter, .turn.me .gutter { order: 0; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 0; text-align: left; }
  .turn.me .gutter { justify-content: flex-end; }
  .turn.me .bubble { max-width: 100%; }
  .pager { grid-template-columns: 1fr; }
  .pager .next { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}