/* IP Info v2 — 与「迹」同设计语言：暖黑底 / 宣纸字 / 朱砂强调 */

:root {
  --bg: #121014;
  --surface: #1b181d;
  --surface-2: #232026;
  --fg: #eae5dc;
  --muted: #97918a;
  --line: #2c2830;
  --ac: #cf7f6f;
  --ok: #7fae8f;
  --err: #c96a5a;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, Menlo, monospace;
  --serif: "Songti SC", "STSong", "Noto Serif SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}

[data-theme="light"] {
  --bg: #f5f3ef;
  --surface: #ffffff;
  --surface-2: #f0ede7;
  --fg: #22201d;
  --muted: #86817a;
  --line: #e5e0d8;
}

* { box-sizing: border-box; }

body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--sans); line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 34px 20px 60px; }

.head { margin-bottom: 22px; }
.head h1 {
  font-family: var(--serif); font-size: 30px; font-weight: 700;
  letter-spacing: .04em; margin: 0;
}
.head .sub { color: var(--muted); font-size: 13px; margin: 4px 0 0; }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px 20px; margin: 14px 0;
}

/* ---------- Hero ---------- */

.hero {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background:
    radial-gradient(600px 200px at 90% -40%, color-mix(in srgb, var(--ac) 14%, transparent), transparent 70%),
    var(--surface);
}
.hero-label { margin: 0; font-size: 12px; letter-spacing: .25em; color: var(--muted); }
.hero-ip {
  margin: 2px 0 0; font-family: var(--mono);
  font-size: clamp(22px, 5vw, 40px); font-weight: 700;
  letter-spacing: .02em; word-break: break-all; line-height: 1.25;
}
.hero-ip .caret {
  display: inline-block; width: .5em; height: 1em; margin-left: 4px;
  background: var(--ac); vertical-align: text-bottom;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-line { margin: 6px 0 0; font-size: 13px; color: var(--muted); }

.copy-btn {
  display: inline-flex; align-items: center; gap: 7px; flex: none;
  padding: 9px 15px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface-2); color: var(--fg); font-size: 13px; cursor: pointer;
  transition: border-color .2s, color .2s;
}
.copy-btn:hover { border-color: var(--ac); color: var(--ac); }
.copy-btn.done { border-color: var(--ok); color: var(--ok); }

/* ---------- 查询 ---------- */

.qrow { display: flex; gap: 10px; }
.qrow input {
  flex: 1; min-width: 0; padding: 11px 14px;
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 10px; color: var(--fg); font-size: 14px;
  font-family: var(--mono);
}
.qrow input:focus { outline: none; border-color: var(--ac); }
.btn {
  padding: 10px 22px; border: 1px solid var(--ac); border-radius: 10px;
  background: transparent; color: var(--ac); font-size: 14px; cursor: pointer;
  transition: background .2s, color .2s; white-space: nowrap;
}
.btn:hover { background: var(--ac); color: #fff; }
.btn:disabled { opacity: .5; cursor: wait; }

.hist { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.hist:empty { display: none; }
.hist .chip {
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 3px 11px; cursor: pointer; transition: all .2s;
}
.hist .chip:hover { color: var(--ac); border-color: var(--ac); }
.hint { margin: 10px 0 0; font-size: 12px; color: var(--muted); }

/* ---------- 数据源卡片 ---------- */

.sources {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.src h3 {
  margin: 0 0 10px; font-size: 15px;
  display: flex; align-items: center; gap: 8px;
}
.src .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--muted); opacity: .5; flex: none;
}
.src.ok .dot { background: var(--ok); opacity: 1; }
.src.fail .dot { background: var(--err); opacity: 1; }
.src .lat { margin-left: auto; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }

.src .body { font-size: 13px; min-height: 20px; }
.skeleton {
  height: 12px; border-radius: 6px; width: 70%;
  background: linear-gradient(90deg, var(--line) 25%, var(--surface-2) 45%, var(--line) 65%);
  background-size: 200% 100%; animation: sk 1.2s linear infinite;
}
@keyframes sk { to { background-position: -200% 0; } }

.kv { display: flex; gap: 8px; margin: 3px 0; }
.kv .k { color: var(--muted); flex: none; width: 74px; font-size: 12px; padding-top: 1px; }
.kv .v { word-break: break-all; }
.kv .v.mono { font-family: var(--mono); font-size: 12.5px; }
.src.fail .body { color: var(--err); font-size: 13px; }

.badge {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 11px; border: 1px solid var(--line); color: var(--muted);
  margin-right: 5px;
}
.badge.ac { color: var(--ac); border-color: var(--ac); }

/* ---------- 折叠区 ---------- */

.fold { padding: 0; overflow: hidden; }
.fold summary {
  padding: 14px 20px; cursor: pointer; font-size: 14.5px;
  list-style: none; user-select: none;
}
.fold summary::before {
  content: '+'; display: inline-block; width: 18px;
  color: var(--ac); font-weight: 700;
}
.fold[open] summary::before { content: '−'; }
.fold summary:hover { color: var(--ac); }
.fold .geobody { padding: 0 20px 18px; font-size: 13px; }

.geobody .gcard {
  border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; margin: 10px 0;
}
.geobody .gcard h4 {
  margin: 0 0 8px; font-size: 13px; color: var(--ac);
  display: flex; gap: 8px; align-items: center;
}
.jsonbox {
  background: var(--surface-2); border-radius: 10px;
  padding: 14px; overflow: auto; max-height: 420px;
}
.jsonbox pre {
  margin: 0; font-family: var(--mono); font-size: 12px; line-height: 1.6;
}
.muted { color: var(--muted); }

/* ---------- API 文档 / 页脚 ---------- */

.api-doc pre {
  background: var(--surface-2); border-radius: 8px; padding: 10px 12px;
  font-family: var(--mono); font-size: 12px; overflow: auto;
}
.api-doc code {
  font-family: var(--mono); font-size: 12px;
  background: var(--surface-2); padding: 1px 6px; border-radius: 5px;
}
.foot { text-align: center; color: var(--muted); font-size: 12px; margin-top: 26px; }

@media (max-width: 640px) {
  .wrap { padding: 24px 14px 44px; }
  .hero { flex-direction: column; align-items: flex-start; gap: 10px; }
  .qrow { flex-direction: column; }
  .kv .k { width: 62px; }
}