:root {
  --bg: #f4f5f7; --card: #ffffff; --text: #1d2129; --muted: #6b7280; --line: #e3e6eb;
  --accent: #2f6fde; --accent-text: #ffffff; --ok: #1f8a4c; --warn: #b26a00; --bad: #c2362f; --info: #2f6fde;
  --ok-bg: #e7f6ee; --warn-bg: #fff4e0; --bad-bg: #fdeceb; --info-bg: #e9f0fd; --chip: #eef0f3;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15171b; --card: #1e2127; --text: #e8eaed; --muted: #9aa1ab; --line: #30343c;
    --accent: #5b8ff0; --accent-text: #0d1117; --ok: #5fcf8f; --warn: #f0b155; --bad: #f07a72; --info: #7ea7f5;
    --ok-bg: #18301f; --warn-bg: #33270f; --bad-bg: #371b1a; --info-bg: #1a2640; --chip: #2a2e35;
  }
}
:root[data-theme="dark"] {
  --bg: #15171b; --card: #1e2127; --text: #e8eaed; --muted: #9aa1ab; --line: #30343c;
  --accent: #5b8ff0; --accent-text: #0d1117; --ok: #5fcf8f; --warn: #f0b155; --bad: #f07a72; --info: #7ea7f5;
  --ok-bg: #18301f; --warn-bg: #33270f; --bad-bg: #371b1a; --info-bg: #1a2640; --chip: #2a2e35;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; }
#app { max-width: 920px; margin: 0 auto; padding: 0 16px 48px; }
.hidden { display: none !important; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 16px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin: 16px 0; }
label, .field { display: block; margin: 0 0 12px; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; color: var(--text);
  background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
input[type="file"] { padding: 6px; }
input[type="radio"], input[type="checkbox"] { display: inline; width: auto; margin: 0 6px 0 0; }
fieldset { border: 0; padding: 0; }
legend { padding: 0; margin-bottom: 4px; }
.btn { display: inline-block; padding: 8px 14px; font: inherit; border-radius: 8px; border: 1px solid var(--line); background: var(--card);
  color: var(--text); cursor: pointer; text-decoration: none; line-height: 1.4; }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0 0 0 12px; }
.hint { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.error { color: var(--bad); min-height: 1em; margin: 8px 0 0; white-space: pre-wrap; }
.login { min-height: 90vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 100%; max-width: 360px; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 14px 0 6px; }
.brand { font-size: 17px; }
.who { color: var(--muted); }
.banner { background: var(--warn-bg); color: var(--warn); border-radius: 8px; padding: 8px 12px; margin: 8px 0; }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin-top: 6px; overflow-x: auto; }
.tab { background: none; border: 0; border-bottom: 2px solid transparent; padding: 10px 12px; font: inherit; color: var(--muted); cursor: pointer; white-space: nowrap; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.section-title { margin-top: 20px; }
.list { display: grid; gap: 10px; }
.list-head { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; }
.list-head .section-title { margin: 0; }
.item { display: flex; gap: 12px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.item .thumb { width: 64px; height: 64px; flex: none; border-radius: 8px; background: var(--chip); object-fit: cover; }
.item .body { flex: 1; min-width: 0; }
.item .title { font-weight: 600; overflow-wrap: anywhere; }
.item .meta { color: var(--muted); font-size: 13px; }
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; background: var(--chip); color: var(--muted); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.info { background: var(--info-bg); color: var(--info); }
.empty { color: var(--muted); padding: 16px 0; }
.back { margin: 16px 0 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.pic { position: relative; border: 2px solid transparent; border-radius: 10px; overflow: hidden; background: var(--chip); cursor: pointer; padding: 0; }
.pic img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.pic.sel { border-color: var(--accent); }
.pic .num { position: absolute; top: 6px; left: 6px; background: var(--accent); color: var(--accent-text); border-radius: 999px; min-width: 22px; height: 22px;
  font-size: 13px; line-height: 22px; text-align: center; padding: 0 6px; }
.pic .first { position: absolute; bottom: 6px; left: 6px; background: var(--ok); color: #fff; border-radius: 6px; font-size: 12px; padding: 0 6px; }
.pic-tools { display: flex; gap: 6px; justify-content: center; margin-top: 4px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; align-items: center; }
.results { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.results figure { margin: 0; }
.results img { width: 100%; border-radius: 8px; border: 1px solid var(--line); background: var(--chip); }
.results figcaption { color: var(--muted); font-size: 13px; }
.choices label { display: flex; align-items: center; margin: 4px 0; }
.row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.picker { border: 1px dashed var(--line); border-radius: 10px; padding: 12px; }
.picker .ptitle { font-weight: 600; margin-bottom: 6px; }
.progress { height: 8px; background: var(--chip); border-radius: 999px; overflow: hidden; margin: 8px 0 4px; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.runs { margin: 6px 0 0; padding: 0; list-style: none; }
.runs li { font-size: 13px; color: var(--muted); }
.segs { display: grid; gap: 6px; margin-top: 8px; }
.seg { display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; background: var(--card); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px;
  border-radius: 8px; max-width: calc(100% - 32px); z-index: 10; }
@media (max-width: 600px) {
  .row { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .item .thumb { width: 52px; height: 52px; }
}