* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", sans-serif;
  color: #1a1a1a;
  background: #f7f8fa;
  line-height: 1.6;
}

.site-header {
  padding: 3rem 1.5rem 2rem;
  text-align: center;
}

.site-header h1 { margin: 0 0 .5rem; font-size: 2rem; }
.subtitle { margin: 0; color: #666; }

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.page-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.page-card {
  display: block;
  padding: 1.25rem;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}

.page-card:hover {
  transform: translateY(-3px);
  border-color: #6366f1;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .08);
}

.page-card h2 { margin: 0 0 .35rem; font-size: 1.1rem; }
.page-card p { margin: 0; color: #666; font-size: .9rem; }

.loading, .empty, .error { color: #888; }
.error { color: #dc2626; }

.site-footer {
  padding: 2rem 1.5rem;
  text-align: center;
  color: #999;
  font-size: .85rem;
}

/* ---- 可折叠分组 ---- */
.groups { display: block; }

.group {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  margin: 0 0 1rem;
  overflow: hidden;
}

.group > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: 1rem 1.15rem;
  font-size: 1.05rem;
  font-weight: 600;
  user-select: none;
}

.group > summary::-webkit-details-marker { display: none; }

.group > summary::after {
  content: "▾";
  margin-left: auto;
  color: #9ca3af;
  transition: transform .18s ease;
}

.group:not([open]) > summary::after { transform: rotate(-90deg); }
.group > summary:hover { background: #fafbff; }

.group-count {
  font-size: .75rem;
  font-weight: 500;
  color: #6366f1;
  background: #eef0ff;
  border-radius: 999px;
  padding: .12rem .5rem;
}

.group .page-list { padding: 0 1.15rem 1.15rem; }

/* ---- 报错日志：作为主页的一个折叠分类，外观与其他分类一致 ---- */
.errlog { margin: 0; }

.errlog-head {
  display: flex;
  align-items: center;
  gap: .55rem;
}

.errlog-head strong { color: #b91c1c; font-size: 1rem; }

.errlog-head button {
  margin-left: auto;
  font: inherit;
  font-size: .8rem;
  cursor: pointer;
  color: #b91c1c;
  background: #fff;
  border: 1px solid #e7b4b4;
  border-radius: 999px;
  padding: .28rem .8rem;
}

.errlog-head button:active { background: #ffe9e9; }

.errlog-list {
  list-style: none;
  margin: 0;
  padding: 0 1.15rem;
  display: grid;
  gap: .6rem;
}

.errlog-list li {
  background: #fff;
  border: 1px solid #f0d7d7;
  border-radius: 10px;
  padding: .6rem .7rem;
}

.err-head {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  font-size: .8rem;
}

.err-name { font-weight: 600; color: #b91c1c; }
.err-time { color: #9ca3af; font-variant-numeric: tabular-nums; }

.err-msg {
  margin-top: .3rem;
  font-size: .88rem;
  color: #1a1a1a;
  word-break: break-word;
}

.err-loc {
  margin-top: .25rem;
  font-size: .75rem;
  color: #6b7280;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  word-break: break-all;
}

/* ---- 日志面板：模式切换 / 类型标签 / 批量操作 ---- */
.errlog-head { flex-wrap: wrap; }

.err-modes { display: flex; gap: .4rem; padding: .1rem 1.15rem .8rem; }

.err-modes button,
.errlog-head .err-modes button {
  margin-left: 0;
  font: inherit;
  font-size: .78rem;
  padding: .3rem .75rem;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid #e7b4b4;
  background: #fff;
  color: #b91c1c;
}

.err-modes button.on {
  background: #e2564d;
  border-color: #e2564d;
  color: #fff;
}

.err-kind {
  font-size: .68rem;
  padding: .05rem .42rem;
  border-radius: 999px;
  background: #ffe9e9;
  color: #b91c1c;
  white-space: nowrap;
}

.errlog-list li { cursor: pointer; }
.errlog-list li:hover { background: #fffafa; }

.err-actions { display: flex; gap: .5rem; margin-top: .7rem; }

.err-actions button {
  font: inherit;
  font-size: .8rem;
  padding: .38rem .9rem;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid #e7b4b4;
  background: #fff;
  color: #b91c1c;
}

.err-actions button:active { background: #ffe9e9; }

/* ---- 卡片图标 ---- */
.card-icon {
  display: block;
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: .45rem;
}

/* ---- 其他网站：添加表单 ---- */
.linkform {
  display: flex;
  gap: .5rem;
  padding: 0 1.15rem 1.15rem;
  flex-wrap: wrap;
}

.linkform input {
  flex: 1 1 120px;
  min-width: 0;
  font: inherit;
  font-size: .85rem;
  padding: .5rem .7rem;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  outline: none;
  background: #fbfcfe;
}

.linkform input:focus { border-color: #6366f1; background: #fff; }

.linkform button {
  font: inherit;
  font-size: .85rem;
  padding: .5rem 1.1rem;
  border-radius: 10px;
  border: 1px solid #6366f1;
  background: #6366f1;
  color: #fff;
  cursor: pointer;
}

.linkform button:active { background: #4f46e5; }