:root {
  color-scheme: light;
  --paper: #f3f5f2;
  --sheet: #fbfcfa;
  --ink: #1e2b27;
  --muted: #66756f;
  --rule: #d6ddd8;
  --marker: #ffe45c;
  --like: #d8344c;
  --reply: #12786c;
  --warn: #9a5a00;
  --warn-bg: #fff3d6;
  --bad: #a3222f;
  --bad-bg: #fde7e8;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.6 var(--sans); }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: var(--reply); }
:focus-visible { outline: 2px solid var(--reply); outline-offset: 2px; border-radius: 3px; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.hidden { display: none !important; }

/* ---------- 顶栏 ---------- */
.top { display: flex; align-items: center; gap: 16px; padding: 12px 24px; border-bottom: 1px solid var(--rule); background: var(--sheet); position: sticky; top: 0; z-index: 5; }
.brand { font: 600 18px/1 var(--serif); letter-spacing: .02em; margin-right: auto; display: flex; align-items: baseline; gap: 10px; }
.brand small { font: 13px var(--sans); color: var(--muted); letter-spacing: 0; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 13px; border: 1px solid var(--rule); background: #fff; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--reply); }
.pill.warn::before { background: #e3a008; }
.pill.bad { border-color: #f1b7bd; background: var(--bad-bg); color: var(--bad); }
.pill.bad::before { background: var(--bad); }
.linkbtn { background: none; border: 0; padding: 4px 2px; color: var(--muted); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.linkbtn:hover { color: var(--ink); }

.banner { margin: 0; padding: 10px 24px; font-size: 14px; border-bottom: 1px solid var(--rule); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.banner.bad { background: var(--bad-bg); color: var(--bad); }
.banner button { margin-left: 8px; }

/* ---------- 布局 ---------- */
.layout { display: grid; grid-template-columns: minmax(340px, 440px) 1fr; min-height: calc(100vh - 57px); }
.side { border-right: 1px solid var(--rule); background: var(--sheet); display: flex; flex-direction: column; min-width: 0; }
.main { padding: 28px 40px 80px; min-width: 0; }
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .side { border-right: 0; }
  .layout.has-detail .side { display: none; }
  .layout:not(.has-detail) .main { display: none; }
  .main { padding: 18px 16px 60px; }
  .top { padding: 10px 14px; flex-wrap: wrap; }
  .brand small { display: none; }
}
.back { display: none; }
@media (max-width: 900px) { .back { display: inline-block; margin-bottom: 10px; } }

/* ---------- 登记表单 ---------- */
.reg { padding: 18px 20px; border-bottom: 1px solid var(--rule); }
.reg summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; align-items: center; gap: 8px; }
.reg summary::-webkit-details-marker { display: none; }
.reg summary::before { content: "+"; display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: var(--sheet); font-weight: 400; }
.reg[open] summary::before { content: "−"; }
.field { display: block; margin-top: 12px; }
.field > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
input[type=text], input[type=password], textarea { width: 100%; padding: 9px 11px; border: 1px solid var(--rule); border-radius: 6px; background: #fff; }
textarea { resize: vertical; min-height: 76px; }
input:focus, textarea:focus { border-color: var(--reply); outline: none; box-shadow: 0 0 0 3px rgba(18,120,108,.12); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.btn { appearance: none; border: 1px solid var(--ink); background: var(--ink); color: #fff; padding: 8px 16px; border-radius: 6px; cursor: pointer; }
.btn:hover { background: #2c3d37; }
.btn[disabled] { opacity: .5; cursor: progress; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: #e8ece9; }
.btn.danger { background: transparent; border-color: #e3aab0; color: var(--bad); }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 14px; }
.msg { font-size: 13px; margin-top: 8px; }
.msg.err { color: var(--bad); }
.msg.ok { color: var(--reply); }

/* ---------- 列表 ---------- */
.list { overflow-y: auto; flex: 1; }
.empty { padding: 40px 24px; color: var(--muted); }
.item { display: block; width: 100%; text-align: left; background: none; border: 0; border-bottom: 1px solid var(--rule); padding: 16px 20px; cursor: pointer; }
.item:hover { background: #f1f4f1; }
.item[aria-current="true"] { background: #eaefec; box-shadow: inset 3px 0 0 var(--ink); }
.item .t { font-size: 13px; color: var(--muted); display: flex; gap: 8px; align-items: baseline; }
.item .t b { color: var(--ink); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.item .stats { display: flex; gap: 14px; font-size: 13px; color: var(--muted); margin-top: 4px; }
.tag { display: inline-block; font-size: 12px; padding: 0 7px; border-radius: 4px; background: #e4eae6; color: var(--ink); white-space: nowrap; }
.tag.bad { background: var(--bad-bg); color: var(--bad); }
.tag.warn { background: var(--warn-bg); color: var(--warn); }

/* 被跟踪的那条评论：荧光笔划过的引文 */
.quote { font-family: var(--serif); font-size: 16px; line-height: 1.75; margin: 10px 0 0; }
.quote .who { font-family: var(--sans); font-size: 13px; color: var(--muted); display: block; margin-bottom: 2px; }
.quote mark { background: linear-gradient(transparent 52%, var(--marker) 52%, var(--marker) 92%, transparent 92%); color: inherit; padding: 0 1px; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.item .quote { font-size: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cline { display: flex; align-items: center; gap: 14px; margin-top: 6px; font-size: 13px; }
.likes { color: var(--like); font-weight: 600; }
.repl { color: var(--reply); font-weight: 600; }
.up { font-size: 12px; font-weight: 400; }
.spark { width: 84px; height: 22px; margin-left: auto; }

/* ---------- 详情 ---------- */
.dhead { display: flex; gap: 18px; align-items: flex-start; }
.cover { width: 72px; height: 96px; border-radius: 6px; object-fit: cover; background: #e4eae6; flex: none; }
.dhead h1 { font: 600 24px/1.35 var(--serif); margin: 0 0 6px; }
.meta { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 14px; }
.strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 26px 0 8px; border-top: 2px solid var(--ink); }
.strip > div { padding: 12px 14px 10px 0; }
.strip .k { font-size: 13px; color: var(--muted); }
.strip .v { font-size: 28px; line-height: 1.2; font-weight: 600; }
.strip .d { font-size: 13px; color: var(--muted); }
.strip .d.pos { color: var(--reply); }
@media (max-width: 600px) { .strip { grid-template-columns: repeat(2, 1fr); } .strip .v { font-size: 22px; } }
.note-hint { font-size: 12px; color: var(--muted); margin: 0 0 14px; }
.chartbox { position: relative; height: 240px; margin: 8px 0 6px; }
h2 { font: 600 18px/1.4 var(--serif); margin: 40px 0 6px; padding-top: 18px; border-top: 1px solid var(--rule); }

.cblock { margin: 26px 0 0; padding: 22px 24px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; }
.cblock .quote { font-size: 19px; margin: 0; }
.big { display: flex; gap: 36px; margin: 16px 0 4px; align-items: flex-end; flex-wrap: wrap; }
.big .v { font-size: 34px; line-height: 1; font-weight: 600; }
.big .k { font-size: 13px; color: var(--muted); margin-top: 6px; }
.status { margin-top: 12px; padding: 10px 12px; border-radius: 6px; font-size: 14px; background: var(--warn-bg); color: var(--warn); }
.status.bad { background: var(--bad-bg); color: var(--bad); }
.cands { list-style: none; padding: 0; margin: 10px 0 0; }
.cands li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-top: 1px dashed var(--rule); }
.cands li p { margin: 0; flex: 1; font-family: var(--serif); }

.replies { list-style: none; margin: 14px 0 0; padding: 0; max-height: 420px; overflow-y: auto; border-top: 1px solid var(--rule); }
.replies li { padding: 10px 0; border-bottom: 1px solid #e6ebe7; display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; }
.replies .rn { font-size: 13px; color: var(--muted); }
.replies .rn b { color: var(--ink); font-weight: 600; }
.replies .rc { grid-column: 1 / -1; }
.replies .new { color: #fff; background: var(--reply); border-radius: 3px; font-size: 11px; padding: 0 5px; margin-left: 6px; }
.replies .rt { font-size: 12px; color: var(--muted); text-align: right; }

.jobs { font-size: 13px; color: var(--muted); margin: 6px 0 0; padding-left: 18px; }
.inline-form { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 8px; margin-top: 10px; align-items: end; }
.labelform { display: flex; gap: 8px; align-items: flex-end; max-width: 520px; }
.labelform .field { flex: 1; }
@media (max-width: 600px) { .inline-form { grid-template-columns: 1fr; } }

/* ---------- 登录 ---------- */
.login { max-width: 360px; margin: 14vh auto 0; padding: 0 20px; }
.login h1 { font: 600 30px/1.3 var(--serif); margin: 0 0 4px; }
.login p { color: var(--muted); margin: 0 0 22px; }

/* ---------- 设置抽屉 ---------- */
dialog { border: 1px solid var(--rule); border-radius: 12px; padding: 0; width: min(560px, 94vw); max-height: 90vh; background: var(--sheet); color: var(--ink); }
dialog::backdrop { background: rgba(30, 43, 39, .35); }
.dlg { padding: 22px 26px 26px; overflow-y: auto; max-height: 90vh; }
.dlg h3 { font: 600 17px/1.4 var(--serif); margin: 22px 0 8px; }
.dlg h3:first-child { margin-top: 0; }
.qr { display: block; width: 220px; height: 220px; margin: 12px 0; image-rendering: pixelated; border: 1px solid var(--rule); border-radius: 6px; background: #fff; }
.events { list-style: none; padding: 0; margin: 0; font-size: 13px; max-height: 240px; overflow-y: auto; }
.events li { padding: 5px 0; border-bottom: 1px solid #e6ebe7; }
.events .error { color: var(--bad); }
.events .warn { color: var(--warn); }
.closex { float: right; }

@media (prefers-reduced-motion: no-preference) {
  .quote mark { transition: background-size .4s; }
}