/* 暖纸方向：暖象牙纸面 + 暖墨字 + 朱砂陶土单 accent（与 artifact 图书馆 A 方案同款） */
:root {
  --paper: #f5efe3;
  --paper2: #efe7d6;
  --ink: #2b2118;
  --dim: #6d6050;
  --line: #ddd2bd;
  --accent: #a63d21;
  --accent-ink: #ffffff;
  --amber: #b7791f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.6;
}
h1, h2, .serif {
  font-family: "Songti SC", "Noto Serif SC", "SimSun", serif;
}
a { color: var(--accent); }
.topbar {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 20px 24px 8px; max-width: 1080px; margin: 0 auto;
}
.topbar h1 { margin: 0; font-size: 26px; letter-spacing: 0.08em; }
.topbar .who { color: var(--dim); font-size: 14px; }
.topbar .who button { margin-left: 12px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 8px 24px 48px; }
.stats { color: var(--dim); font-size: 13px; margin: 4px 0 16px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.input {
  border: 1px solid var(--line); background: #fffdf7; color: var(--ink);
  border-radius: 8px; padding: 11px 13px; font-size: 15px; min-height: 44px;
}
.input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.input-with-icon { padding-left: 46px; }
.searchbox { position: relative; flex: 1 1 260px; }
.searchbox .icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--dim); pointer-events: none; font-size: 18px;
}
.searchbox .input { width: 100%; }
.btn {
  border: 0; border-radius: 8px; padding: 11px 18px; font-size: 15px;
  min-height: 44px; cursor: pointer; background: var(--accent); color: var(--accent-ink);
}
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.danger { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.btn:disabled { opacity: 0.55; cursor: default; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 720px) { .grid { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: #fffdf7; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px; display: flex; flex-direction: column; gap: 10px;
}
.cover {
  width: 100%; aspect-ratio: 3 / 4; object-fit: cover;
  border-radius: 6px; background: var(--paper2); display: block;
}
.cover-fallback {
  width: 100%; aspect-ratio: 3 / 4; border-radius: 6px;
  background: var(--paper2); display: flex; align-items: center; justify-content: center;
  padding: 16px; text-align: center;
}
.cover-fallback span {
  font-family: "Songti SC", "Noto Serif SC", serif; font-size: 17px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden;
}
.card .title { font-family: "Songti SC", "Noto Serif SC", serif; font-size: 17px; line-height: 1.45; }
.card .meta { color: var(--dim); font-size: 13px; }
.card .foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.tag { color: var(--dim); font-size: 12px; border: 1px solid var(--line); border-radius: 99px; padding: 1px 8px; }
.panel {
  background: #fffdf7; border: 1px solid var(--line); border-radius: 10px;
  padding: 20px; max-width: 560px; margin: 40px auto;
}
.panel h2 { margin-top: 0; }
.panel label { display: block; margin: 12px 0 4px; color: var(--dim); font-size: 14px; }
.panel .input { width: 100%; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.msg { color: var(--accent); font-size: 14px; min-height: 20px; margin-top: 10px; }
.msg.ok { color: #2e6b30; }
.msg.warn { color: var(--amber); }
/* 扫码取景框：暖纸规矩，信号色用暖琥珀，不用亮绿 */
.scan-video {
  width: 100%; max-width: 520px; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 10px; border: 1px solid var(--line); background: var(--paper2);
  display: block;
}
.scan-video.scanning { outline: 2px solid var(--amber); outline-offset: 2px; }
.hidden { display: none !important; }
.empty { color: var(--dim); text-align: center; padding: 48px 0; }
details summary { cursor: pointer; color: var(--dim); }