*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #1a1a2e;
  background: #f4f4f7;
  line-height: 1.5;
}
.top {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 24px;
  background: #1a1a2e;
  color: #fff;
}
.brand { color: #a5b4fc; font-weight: 700; text-decoration: none; }
.tag { font-size: 0.85rem; opacity: 0.85; }
.wrap { max-width: 880px; margin: 0 auto; padding: 24px; }
.foot { text-align: center; padding: 32px; font-size: 0.8rem; color: #888; }
h1 { font-size: 1.75rem; letter-spacing: -0.02em; }
h2 { font-size: 1.1rem; margin-top: 0; }
.lede { color: #444; }
.panel {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.err { color: #b91c1c; background: #fef2f2; padding: 10px 14px; border-radius: 8px; }
.ok { color: #166534; background: #f0fdf4; padding: 10px 14px; border-radius: 8px; }
.hint { font-size: 0.85rem; color: #666; }
.muted { color: #888; }
.grid-form {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  align-items: end;
}
.grid-form label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; }
.grid-form input, .stack-form input, .stack-form select, .stack-form textarea {
  padding: 8px 10px; border: 1px solid #ddd; border-radius: 6px; font-size: 1rem;
}
.grid-form button, .stack-form button {
  padding: 10px 16px; background: #4f46e5; color: #fff; border: none; border-radius: 8px;
  font-weight: 600; cursor: pointer;
}
.stack-form label { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; font-size: 0.9rem; }
.tbl { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.tbl th, .tbl td { text-align: left; padding: 10px 8px; border-bottom: 1px solid #eee; }
.tbl tr.resolved { opacity: 0.65; }
.tbl a { color: #4f46e5; }
.back a { color: #4f46e5; text-decoration: none; }
.meta { color: #555; }
.sla { background: #eef2ff; padding: 12px 14px; border-radius: 8px; font-size: 0.95rem; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  border-left: 3px solid #4f46e5;
  padding: 12px 0 12px 16px;
  margin-left: 6px;
}
.t-time { font-weight: 600; margin-right: 8px; }
.t-src {
  display: inline-block;
  background: #e0e7ff;
  color: #3730a3;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 6px;
}
.t-kind {
  font-size: 0.8rem;
  color: #666;
}
.t-sum { margin: 6px 0 0; }
.t-json {
  font-size: 0.75rem;
  background: #f8fafc;
  padding: 8px;
  border-radius: 6px;
  overflow-x: auto;
}