:root {
  --paper: #f4f1e9;
  --card: #fffdf8;
  --sunk: #ece7db;
  --ink: #1f1d19;
  --ink-2: #4b463d;
  --muted: #8a8374;
  --line: #e2dccd;
  --line-2: #cfc6b2;
  --accent: #b3412c;
  --accent-2: #93321f;
  --on-accent: #fffaf2;

  --c-pending: #9a7424;
  --c-next: #2d6185;
  --c-fixed: #3b6e4c;
  --c-norepro: #7a7266;
  --c-wontfix: #a03a30;
  --c-notbug: #67588a;

  --serif: "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --radius: 6px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151410;
    --card: #1c1a16;
    --sunk: #23211b;
    --ink: #ebe5d7;
    --ink-2: #c3bba9;
    --muted: #8c8576;
    --line: #2d2a23;
    --line-2: #3d392f;
    --accent: #d8644c;
    --accent-2: #e67a62;
    --on-accent: #1a0f0b;

    --c-pending: #d1a54a;
    --c-next: #6fa6cc;
    --c-fixed: #78b089;
    --c-norepro: #a59d90;
    --c-wontfix: #df7466;
    --c-notbug: #a896cc;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.7 var(--sans);
  border-top: 3px solid var(--accent);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
main { flex: 1; padding-bottom: 64px; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; letter-spacing: .01em; margin: 0; }
.mono { font-family: var(--mono); font-feature-settings: "tnum"; letter-spacing: 0; }
.muted { color: var(--muted); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.kicker {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--accent);
  font-weight: 600;
}
.lead { color: var(--ink-2); margin: 12px 0 0; max-width: 34em; }
.lead a { color: var(--accent); text-underline-offset: 3px; }
.page-title { font-size: 30px; line-height: 1.3; }

/* 页眉 */
.site-head { border-bottom: 1px solid var(--line); background: var(--paper); }
.head-in { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.seal {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  border: 2px solid var(--accent);
  border-radius: 4px;
  color: var(--accent);
  font: 700 19px/1 var(--serif);
  transform: rotate(-4deg);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font: 700 18px/1.2 var(--serif); letter-spacing: .08em; }
.brand-text small { font: 500 10px/1.4 var(--mono); letter-spacing: .14em; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.nav > a:not(.btn) { text-decoration: none; color: var(--ink-2); padding: 4px 0; border-bottom: 1.5px solid transparent; }
.nav > a:not(.btn):hover, .nav > a.on { color: var(--ink); border-bottom-color: var(--ink); }
.nav form { margin: 0; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--ink-2); cursor: pointer; }
.link-btn:hover { color: var(--accent); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0 20px;
  background: var(--accent); color: var(--on-accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font: 600 14px/1 var(--sans); letter-spacing: .04em;
  text-decoration: none; cursor: pointer;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn-sm { height: 34px; padding: 0 14px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--sunk); border-color: var(--ink-2); }
.btn-danger-ghost { background: transparent; color: var(--c-wontfix); border-color: transparent; }
.btn-danger-ghost:hover { background: color-mix(in srgb, var(--c-wontfix) 10%, transparent); border-color: transparent; }

/* 首屏 */
.hero { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; padding-top: 56px; padding-bottom: 40px; }
.hero h1 { font-size: 40px; line-height: 1.25; }
.hero-cta { margin: 24px 0 0; }
.tally { display: flex; margin: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.tally > div { padding: 16px 22px; min-width: 112px; }
.tally > div + div { border-left: 1px solid var(--line); }
.tally dt { font-size: 12px; color: var(--muted); letter-spacing: .06em; }
.tally dd { margin: 2px 0 0; font: 600 28px/1.2 var(--mono); }

/* 筛选 */
.tabs {
  display: flex; gap: 2px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: none;
  padding: 10px 14px 11px;
  text-decoration: none; color: var(--ink-2); font-size: 14px;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  white-space: nowrap;
}
.tab em { font: normal 12px var(--mono); color: var(--muted); margin-left: 6px; }
.tab:hover { color: var(--ink); }
.tab.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.toolbar { display: flex; gap: 8px; align-items: center; padding: 16px 0; flex-wrap: wrap; }
.toolbar input[type=search] { flex: 1 1 220px; }
.toolbar select { flex: 0 1 200px; }
.toolbar .btn { height: 38px; }
.clear { font-size: 13px; color: var(--muted); }

/* 表单控件 */
input, select, textarea {
  font: inherit; color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 8px 12px;
  min-height: 38px;
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; line-height: 1.65; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
::placeholder { color: var(--muted); opacity: .8; }

/* 记录列表 */
.ledger { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); overflow: hidden; }
.ledger li + li { border-top: 1px solid var(--line); }
.row {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 16px; align-items: center;
  padding: 14px 18px; text-decoration: none;
  transition: background .12s;
}
.row:hover { background: var(--sunk); }
.row-id { color: var(--muted); font-size: 13px; text-decoration: none; }
.row-main { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.row-title { font-weight: 600; font-size: 15.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row:hover .row-title { color: var(--accent); }
.row-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; font-size: 13px; color: var(--muted); margin: 0; }
.mod { color: var(--ink-2); font-weight: 500; }

/* 状态印 */
.stamp {
  --c: var(--c-pending);
  display: inline-flex; align-items: center;
  padding: 1px 9px;
  border: 1.5px solid var(--c);
  border-radius: 3px;
  color: var(--c);
  background: color-mix(in srgb, var(--c) 8%, transparent);
  font-size: 12.5px; font-weight: 600; letter-spacing: .06em;
  white-space: nowrap;
}
.st-pending { --c: var(--c-pending); }
.st-next { --c: var(--c-next); }
.st-fixed { --c: var(--c-fixed); }
.st-norepro { --c: var(--c-norepro); }
.st-wontfix { --c: var(--c-wontfix); }
.st-notbug { --c: var(--c-notbug); }
.stamp-lg {
  padding: 8px 16px;
  border: 3px double var(--c);
  font: 700 17px/1.2 var(--serif);
  letter-spacing: .14em;
  transform: rotate(-5deg);
  background: transparent;
  flex: none;
}

.sev { font-size: 12px; padding: 0 7px; border-radius: 3px; background: var(--sunk); color: var(--ink-2); line-height: 20px; }
.sev-major { color: var(--c-pending); background: color-mix(in srgb, var(--c-pending) 12%, transparent); }
.sev-crash { color: var(--c-wontfix); background: color-mix(in srgb, var(--c-wontfix) 12%, transparent); }

.empty { padding: 56px 20px; text-align: center; color: var(--muted); border: 1px dashed var(--line-2); border-radius: var(--radius); }
.pager { display: flex; justify-content: space-between; align-items: center; padding: 20px 2px; font-size: 14px; }
.pager a { color: var(--accent); text-decoration: none; }
.pager .mono { color: var(--muted); }

/* 详情 */
.bug { padding-top: 32px; }
.back { display: inline-block; font-size: 13px; color: var(--muted); text-decoration: none; margin-bottom: 24px; }
.back:hover { color: var(--accent); }
.bug-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.bug-head h1 { font-size: 30px; line-height: 1.35; }
.facts {
  display: grid; grid-template-columns: repeat(3, 1fr);
  margin: 28px 0 8px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}
.facts > div { padding: 12px 0; }
.facts > div:nth-child(n+4) { border-top: 1px dashed var(--line); }
.facts dt { font-size: 12px; color: var(--muted); letter-spacing: .06em; }
.facts dd { margin: 2px 0 0; font-size: 14.5px; word-break: break-word; }
.block { margin-top: 32px; }
.block h2 { font-size: 17px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.block h2::before { content: ""; width: 4px; height: 1em; background: var(--accent); border-radius: 1px; }
.prose { white-space: pre-wrap; word-break: break-word; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; color: var(--ink); }
.steps { font-variant-numeric: tabular-nums; }
.reply .prose { border-left: 3px solid var(--c-fixed); background: color-mix(in srgb, var(--c-fixed) 6%, var(--card)); }
.reply h2::before { background: var(--c-fixed); }

.notice {
  padding: 12px 16px; margin: 0 0 24px;
  border: 1px solid color-mix(in srgb, var(--c-fixed) 40%, transparent);
  background: color-mix(in srgb, var(--c-fixed) 8%, var(--card));
  border-radius: var(--radius); font-size: 14px;
}
.notice-warn { border-color: color-mix(in srgb, var(--c-pending) 45%, transparent); background: color-mix(in srgb, var(--c-pending) 9%, var(--card)); }

/* 提交表单 */
.narrow > .kicker:first-child { margin-top: 40px; }
.form { margin-top: 28px; display: flex; flex-direction: column; gap: 22px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 20px; }
.field { display: flex; flex-direction: column; gap: 6px; border: 0; margin: 0; padding: 0; min-width: 0; }
.lbl { font-size: 14px; font-weight: 600; padding: 0; }
.lbl i { color: var(--accent); font-style: normal; margin-left: 3px; }
.hint { font-size: 13px; color: var(--muted); margin-top: -4px; }
.err { font-size: 13px; color: var(--c-wontfix); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.sev-pick { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.sev-opt { position: relative; cursor: pointer; }
.sev-opt input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.sev-opt span {
  display: flex; flex-direction: column; gap: 2px; height: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--card);
  transition: border-color .15s, background .15s;
}
.sev-opt b { font-size: 14px; }
.sev-opt small { font-size: 12px; color: var(--muted); line-height: 1.45; }
.sev-opt:hover span { border-color: var(--ink-2); }
.sev-opt input:checked + span { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--card)); box-shadow: inset 0 0 0 1px var(--accent); }
.sev-opt input:focus-visible + span { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.form-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 18px; border-top: 1px solid var(--line); }
.form-foot p { margin: 0; font-size: 13px; }
.form-foot .btn { min-width: 132px; }

.login { max-width: 400px; padding-top: 72px; }
.empty-page { padding-top: 80px; }
.empty-page h1 { font-size: 30px; }
.empty-page .btn { margin-top: 24px; }

/* 后台 */
.adm-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; padding: 40px 0 20px; }
.adm-top .notice { margin: 0; padding: 6px 14px; }
.adm-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 14px; scroll-margin-top: 16px; }
.adm-item.is-hidden { opacity: .72; border-style: dashed; }
.adm-head { display: flex; align-items: center; gap: 12px; }
.adm-head h3 { flex: 1; font-size: 16.5px; min-width: 0; }
.adm-head h3 a { text-decoration: none; }
.adm-head h3 a:hover { color: var(--accent); }
.adm-item > .row-meta { margin-top: 6px; }
.tag-hidden { color: var(--c-wontfix); }
.adm-item details { margin-top: 12px; }
.adm-item summary { cursor: pointer; font-size: 13px; color: var(--ink-2); width: fit-content; }
.adm-item summary:hover { color: var(--accent); }
.adm-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 10px; }
.adm-cols h4 { font-size: 13px; color: var(--muted); font-family: var(--sans); font-weight: 600; margin-bottom: 6px; }
.adm-cols .prose { padding: 12px 14px; font-size: 14px; max-height: 320px; overflow: auto; background: var(--paper); }
.adm-form { margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); display: flex; flex-direction: column; gap: 14px; }
.status-pick { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.status-pick legend { font-size: 13px; color: var(--muted); padding: 0; margin-bottom: 8px; }
.status-pick label { --c: var(--c-pending); position: relative; cursor: pointer; }
.status-pick input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.status-pick span {
  display: inline-block; padding: 4px 12px;
  border: 1.5px solid var(--line-2); border-radius: 3px;
  font-size: 13px; color: var(--ink-2);
  transition: all .12s;
}
.status-pick label:hover span { border-color: var(--c); color: var(--c); }
.status-pick input:checked + span { border-color: var(--c); color: var(--c); background: color-mix(in srgb, var(--c) 10%, transparent); font-weight: 600; }
.status-pick input:focus-visible + span { box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 25%, transparent); }
.adm-form .field .lbl { font-size: 13px; font-weight: 500; color: var(--muted); }
.adm-actions { display: flex; align-items: center; gap: 8px; }
.adm-actions .spacer { flex: 1; }
.adm-actions .btn { height: 36px; }
.chk { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-2); cursor: pointer; }
.chk input { width: 16px; height: 16px; min-height: 0; accent-color: var(--accent); }

/* 页脚 */
.site-foot { border-top: 1px solid var(--line); font-size: 12.5px; color: var(--muted); }
.foot-in { display: flex; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 28px; }

/* 窄屏 */
@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 36px; padding-bottom: 28px; }
  .hero h1 { font-size: 30px; }
  .tally > div { flex: 1; min-width: 0; padding: 12px 14px; }
  .tally dd { font-size: 22px; }
  .row { grid-template-columns: 1fr auto; gap: 4px 12px; padding: 12px 14px; }
  .row-id { grid-column: 1; grid-row: 1; font-size: 12px; }
  .row-status { grid-column: 2; grid-row: 1; justify-self: end; }
  .row-main { grid-column: 1 / -1; }
  .row-title { white-space: normal; }
  .bug-head { flex-direction: column-reverse; gap: 16px; }
  .bug-head h1, .page-title { font-size: 24px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts > div:nth-child(n+3) { border-top: 1px dashed var(--line); }
  .grid2 { grid-template-columns: 1fr; }
  .sev-pick { grid-template-columns: 1fr 1fr; }
  .adm-cols { grid-template-columns: 1fr; }
  .adm-head { flex-wrap: wrap; }
  .adm-head h3 { flex-basis: 100%; order: 3; }
  .adm-top { flex-direction: column; align-items: flex-start; }
  .nav { gap: 14px; }
  .brand-text small { display: none; }
  .form-foot { flex-direction: column-reverse; align-items: stretch; }
}