:root {
  color-scheme: light;
  --bg: #f7f9f9;
  --panel: #ffffff;
  --ink: #0f1419;
  --muted: #536471;
  --line: #eff3f4;
  --line-strong: #cfd9de;
  --blue: #1d9bf0;
  --blue-soft: #e8f5fd;
  --red: #f4212e;
  --red-soft: #fdeced;
  --green: #00875a;
  --green-soft: #e7f8f1;
  --amber: #8a5a00;
  --amber-soft: #fff6e0;
  --size: 15px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #000000;
  --panel: #16181c;
  --ink: #e7e9ea;
  --muted: #71767b;
  --line: #2f3336;
  --line-strong: #3e4448;
  --blue: #1d9bf0;
  --blue-soft: #0c2d46;
  --red: #f4212e;
  --red-soft: #3d1518;
  --green: #00ba7c;
  --green-soft: #06281c;
  --amber: #ffd400;
  --amber-soft: #2c2508;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #000000;
    --panel: #16181c;
    --ink: #e7e9ea;
    --muted: #71767b;
    --line: #2f3336;
    --line-strong: #3e4448;
    --blue: #1d9bf0;
    --blue-soft: #0c2d46;
    --red: #f4212e;
    --red-soft: #3d1518;
    --green: #00ba7c;
    --green-soft: #06281c;
    --amber: #ffd400;
    --amber-soft: #2c2508;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--size);
  line-height: 1.55;
}
button, input { font: inherit; color: inherit; }
a { color: var(--blue); }
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.4rem 0.7rem;
  z-index: 9;
}
.skip:focus { top: 0.6rem; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 168px minmax(220px, 640px) auto;
  gap: 16px;
  align-items: center;
  padding: 10px 18px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; gap: 10px; align-items: center; min-width: 0; }
.brand strong { display: block; font-size: 16px; letter-spacing: -0.02em; }
.brand em { display: block; color: var(--muted); font-size: 12px; font-style: normal; }
.mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--ink);
  position: relative;
  flex: none;
}
.mark::before, .mark::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--panel);
}
.mark::before { top: 11px; }
.mark::after { top: 18px; right: 12px; }
.search { position: relative; }
.search input {
  width: 100%;
  border: 1px solid transparent;
  background: var(--bg);
  border-radius: 999px;
  padding: 11px 16px 11px 40px;
  outline: none;
}
.search input:focus { border-color: var(--blue); background: var(--panel); }
.search::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 50%;
  width: 14px;
  height: 14px;
  border: 2px solid var(--muted);
  border-radius: 50%;
  transform: translateY(-58%);
  pointer-events: none;
}
.search::after {
  content: "";
  position: absolute;
  left: 28px;
  top: 58%;
  width: 7px;
  height: 2px;
  background: var(--muted);
  transform: rotate(45deg);
  pointer-events: none;
}
.tools { display: flex; gap: 8px; align-items: center; }
#theme {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  border-radius: 999px;
  color: var(--muted);
  padding: 6px 10px;
  cursor: pointer;
}

.shell {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
  align-items: start;
}
.rail, .report {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.rail { position: sticky; top: 72px; max-height: calc(100vh - 88px); display: flex; flex-direction: column; }
.count { margin: 0; padding: 14px 16px 8px; color: var(--muted); font-size: 13px; }
.hint { margin: 0; padding: 0 16px 12px; color: var(--muted); font-size: 12px; border-bottom: 1px solid var(--line); }
.directory { overflow: auto; }

.account-card {
  display: flex;
  gap: 12px;
  width: 100%;
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 14px 16px;
  cursor: pointer;
}
.account-card:hover, .account-card[aria-current="true"] { background: color-mix(in srgb, var(--blue) 8%, var(--panel)); }
.account-card[aria-current="true"] { box-shadow: inset 3px 0 0 var(--blue); }
.card-body { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.card-top { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.card-top strong { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-handle, .card-overview, .muted, .handle { color: var(--muted); }
.card-handle, .card-overview { font-size: 13px; }
.card-overview {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  overflow: hidden;
  position: relative;
  background: hsl(var(--hue) 58% 42%);
  color: #fff;
  font-weight: 700;
}
.avatar.xl { width: 74px; height: 74px; font-size: 28px; }
.avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.report { padding: 22px 24px 36px; min-height: 70vh; }
.profile { display: flex; gap: 16px; align-items: center; }
.profile h2 { margin: 0; font-size: 26px; letter-spacing: -0.03em; }
.handle { margin: 2px 0 8px; }
.stamps, .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.pill, .stamp, .tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 650;
  background: var(--bg);
  color: var(--muted);
  white-space: nowrap;
}
.pill.active, .stamp.active, .tag { background: var(--green-soft); color: var(--green); }
.pill.deactivated, .stamp.deactivated, .pill.missing, .stamp.missing,
.banner.deactivated, .banner.missing {
  background: var(--red-soft);
  color: var(--red);
}
.pill.renamed, .stamp.renamed, .banner.renamed { background: var(--amber-soft); color: var(--amber); }
.pill.example, .stamp.example, .pill.unchecked, .stamp.unchecked { background: var(--blue-soft); color: var(--blue); }
.banner { border-radius: 12px; padding: 10px 12px; margin: 14px 0 0; }
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0;
}
.stat { background: var(--bg); border-radius: 14px; padding: 12px 14px; }
.stat strong { display: block; font-size: 22px; letter-spacing: -0.03em; }
.stat span { color: var(--muted); font-size: 12px; }
.overview {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 6px 12px;
  margin: 0 0 8px;
}
.overview dt { color: var(--muted); }
.overview dd { margin: 0; }
.report h3 { margin: 22px 0 8px; font-size: 16px; }
.report > ol { padding-left: 1.2rem; }
.behavior {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px 8px;
  margin: 12px 0;
}
.kicker { margin: 0; color: var(--blue); font-size: 12px; font-weight: 700; }
.behavior h3 { margin-top: 4px; }
.timeline { list-style: none; padding: 0; margin: 12px 0; display: flex; flex-direction: column; gap: 8px; }
.timeline li { background: var(--bg); border-radius: 12px; padding: 12px 14px; }
.timeline time { color: var(--muted); font-size: 12px; }
.timeline p { margin: 6px 0; }
.empty h2 { margin-top: 8px; }
.site-footer { max-width: 1180px; margin: 0 auto; padding: 0 16px 28px; color: var(--muted); font-size: 13px; }
.site-footer ul { margin: 0; padding-left: 1.1rem; }
.noscript { padding: 16px; }

@media (max-width: 860px) {
  .topbar { grid-template-columns: 1fr auto; }
  .search { grid-column: 1 / -1; }
  .shell { grid-template-columns: 1fr; }
  .rail { position: static; max-height: none; }
  .stats, .overview { grid-template-columns: 1fr; }
}