/* 找书雷达 H5 · 移动端优先 · 浅色纸感 */
:root {
  --bg: #f7f5f0;
  --card: #ffffff;
  --ink: #23211c;
  --ink-2: #6b675c;
  --line: #e6e1d6;
  --accent: #1a5fb4;
  --accent-ink: #ffffff;
  --amber: #b45309;
  --amber-bg: #fdf3e3;
  --radius: 14px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}
.app { max-width: 560px; margin: 0 auto; min-height: 100vh; min-height: 100dvh; padding: 0 16px calc(20px + var(--safe-b)); }
.noscript { padding: 40px 16px; text-align: center; color: var(--ink-2); }

/* ── 首页头部 ── */
.hero { padding: 42px 4px 18px; }
.hero .mark { font-size: 34px; letter-spacing: .5px; font-weight: 800; }
.hero .mark .dot { color: var(--accent); }
.hero .tag { margin-top: 6px; color: var(--ink-2); font-size: 14px; }

/* ── 搜索框 ── */
.searchbar { position: sticky; top: 0; z-index: 10; background: var(--bg); padding: 10px 0 12px; }
.searchbar .box {
  display: flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: 11px 16px; box-shadow: 0 1px 4px rgba(35,33,28,.05);
}
.searchbar .box:focus-within { border-color: var(--accent); }
.searchbar input { flex: 1; border: none; outline: none; font-size: 16px; background: transparent; color: var(--ink); }
.searchbar .icon { color: var(--ink-2); font-size: 17px; }
.searchbar .clear { border: none; background: none; color: var(--ink-2); font-size: 18px; cursor: pointer; padding: 0 2px; }

/* ── 列表 ── */
.section-title { font-size: 13px; color: var(--ink-2); margin: 14px 4px 8px; font-weight: 600; }
.list { display: flex; flex-direction: column; gap: 10px; }
.row {
  display: block; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 13px 15px; text-decoration: none; color: inherit;
  transition: transform .06s ease;
}
.row:active { transform: scale(.985); background: #fbfaf7; }
.row .t { font-size: 16.5px; font-weight: 650; }
.row .m { margin-top: 5px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip {
  font-size: 11.5px; color: var(--ink-2); background: #f1efe8;
  border-radius: 6px; padding: 2px 7px; letter-spacing: .3px;
}
.chip.fmt { color: var(--accent); background: #e8f0fb; font-weight: 600; }
.row .size { font-size: 12px; color: var(--ink-2); }

/* ── 空态 ── */
.empty { text-align: center; padding: 56px 20px; color: var(--ink-2); }
.empty .big { font-size: 40px; margin-bottom: 10px; }
.empty .t { font-size: 17px; color: var(--ink); font-weight: 650; margin-bottom: 6px; }
.empty .d { font-size: 13.5px; }
.empty .btn { margin-top: 18px; }

/* ── 详情页 ── */
.back {
  display: inline-flex; align-items: center; gap: 5px; margin: 16px 0 4px;
  border: none; background: none; color: var(--accent); font-size: 15px; cursor: pointer; padding: 4px 0;
}
.detail { padding: 6px 0 20px; }
.detail h1 { font-size: 23px; line-height: 1.35; margin: 8px 0 10px; }
.detail .meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.linkcard {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 15px; margin-bottom: 14px;
}
.linkcard .label { font-size: 12px; color: var(--ink-2); margin-bottom: 4px; }
.linkcard .url { font-size: 14px; word-break: break-all; color: var(--accent); user-select: all; }
.linkcard .code-row { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.linkcard .code { font-size: 24px; font-weight: 800; letter-spacing: 3px; color: var(--amber); background: var(--amber-bg); border-radius: 8px; padding: 4px 12px; user-select: all; }
.linkcard .code-copy { border: none; background: none; color: var(--ink-2); font-size: 13px; cursor: pointer; padding: 6px; }
.actions { display: flex; flex-direction: column; gap: 10px; }
.btn {
  display: block; width: 100%; border: none; border-radius: 12px; padding: 14px;
  font-size: 16.5px; font-weight: 650; cursor: pointer; text-align: center; text-decoration: none;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:active { background: #164e93; }
.btn-ghost { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.howto { margin-top: 18px; font-size: 13px; color: var(--ink-2); background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); padding: 12px 14px; }
.howto b { color: var(--ink); }
.footer { margin-top: 26px; text-align: center; font-size: 11.5px; color: #a29d8f; line-height: 1.7; }

/* ── toast ── */
.toast {
  position: fixed; left: 50%; bottom: calc(36px + var(--safe-b)); transform: translateX(-50%);
  background: var(--ink); color: #fff; font-size: 14px; border-radius: 999px;
  padding: 9px 20px; opacity: 0; pointer-events: none; transition: opacity .18s ease; z-index: 99;
}
.toast.show { opacity: .94; }