:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --line: #e4ded2;
  --ink: #23201b;
  --muted: #6f6a60;
  --accent: #2f6f73;
  --accent-soft: #e6efef;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 16px 64px;
}

.head h1 {
  margin: 0 0 4px;
  font-size: 24px;
  letter-spacing: 0.04em;
}

.head .sub {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 13px;
}

.searchbar {
  display: flex;
  gap: 8px;
}

.searchbar input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  font-size: 16px;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
}

.searchbar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.searchbar button {
  padding: 12px 20px;
  font-size: 15px;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}

.searchbar button:active { opacity: 0.85; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 6px;
}

.chip {
  padding: 6px 14px;
  font-size: 13px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.chip.active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent);
}

.status {
  margin: 14px 2px;
  font-size: 13px;
  color: var(--muted);
}

.status.error { color: #a4382e; }

.results {
  list-style: none;
  margin: 0;
  padding: 0;
}

.card {
  display: block;
  margin-bottom: 10px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
}

.card:hover { border-color: var(--accent); }

.card .top {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.badge {
  flex: none;
  padding: 1px 8px;
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 6px;
}

.card .title {
  font-size: 16px;
  font-weight: 600;
  word-break: break-word;
}

.card .sub {
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--muted);
  word-break: break-word;
}

.card .snippet {
  margin-top: 8px;
  font-size: 13.5px;
  color: #4a463f;
  word-break: break-word;
}

.card em {
  font-style: normal;
  background: #fff2c2;
  border-radius: 2px;
  padding: 0 1px;
}

@media (max-width: 480px) {
  .wrap { padding: 20px 12px 48px; }
}