/* 链接核查台 —— 样式
   主题跟随系统，浅色优先 */

:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1f2329;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2563eb;
  --accent-fg: #ffffff;
  --warn: #b45309;
  --ok: #15803d;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card: #1c1f24;
    --text: #e6e8eb;
    --muted: #9aa1ab;
    --line: #2c313a;
    --accent: #4f8cff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 32px 20px 64px; }

header { margin-bottom: 24px; }
h1 { font-size: 24px; margin: 0 0 6px; letter-spacing: .5px; }
.sub { color: var(--muted); margin: 0; font-size: 14px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.card.muted { background: transparent; }

.lbl { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; }
.lbl:first-child { margin-top: 0; }

input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }

.row { display: flex; align-items: center; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

button {
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: opacity .15s;
}
button:disabled { opacity: .5; cursor: not-allowed; }

.primary { background: var(--accent); color: var(--accent-fg); }
.ghost { background: transparent; color: var(--text); border-color: var(--line); }

.quota { margin-left: auto; font-size: 13px; color: var(--muted); }
.hint { font-size: 13px; margin: 12px 0 0; min-height: 20px; }
.hint.err { color: #dc2626; }
.hint.ok { color: var(--ok); }

.hidden { display: none; }

/* 加载动画 */
.loader {
  width: 22px; height: 22px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin-bottom: 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.tiny { font-size: 12px; color: var(--muted); }

.result-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }

.tag {
  display: inline-block;
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg);
}

/* 报告渲染 */
.report h2 { font-size: 17px; margin: 22px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.report h3 { font-size: 15px; margin: 18px 0 8px; }
.report p { margin: 10px 0; }
.report ul, .report ol { padding-left: 22px; margin: 10px 0; }
.report li { margin: 5px 0; }
.report code {
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.report blockquote {
  margin: 12px 0;
  padding: 10px 14px;
  border-left: 3px solid var(--accent);
  background: var(--bg);
  border-radius: 0 6px 6px 0;
  color: var(--muted);
}
.report table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 13.5px;
}
.report th, .report td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.report th { background: var(--bg); font-weight: 600; }
.report hr { border: none; border-top: 1px solid var(--line); margin: 22px 0; }
.report strong { font-weight: 600; }

footer { margin-top: 28px; text-align: center; }

@media (max-width: 560px) {
  .wrap { padding: 20px 14px 48px; }
  .report table { font-size: 12.5px; }
  .report th, .report td { padding: 6px 7px; }
}