:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e3e6ea;
  --text: #1f2733;
  --muted: #6b7686;
  --primary: #2f6fed;
  --danger: #d64541;
  --ok: #2e9e5b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.hidden { display: none !important; }

.center-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  width: 360px;
  box-shadow: 0 2px 12px rgba(0,0,0,.05);
}
.logo { text-align: center; font-size: 22px; margin-bottom: 20px; }
.tip { color: var(--muted); margin-bottom: 12px; }

input {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 10px;
  font-size: 14px;
}
input:focus { outline: none; border-color: var(--primary); }

.btn {
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { opacity: .9; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); }
.btn.ghost { background: transparent; }
.btn.block { display: block; width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.sm { padding: 4px 10px; font-size: 13px; }

.err { color: var(--danger); min-height: 18px; margin-bottom: 8px; font-size: 13px; }
.ok-text { color: var(--ok); }

header.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
header.topbar .brand { font-size: 17px; font-weight: bold; }
header.topbar .spacer { flex: 1; }
header.topbar a { color: var(--text); text-decoration: none; }
header.topbar a:hover { color: var(--primary); }

.page { max-width: 960px; margin: 16px auto; padding: 0 16px; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar input[type="text"] { width: 240px; margin-bottom: 0; }
.toolbar select, .toolbar input[type="date"] { padding: 8px; border: 1px solid var(--border); border-radius: 6px; }

.banner {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 13px;
}
.banner.warn { background: #fff7e6; border: 1px solid #ffd591; color: #ad6800; }
.banner.error { background: #fff1f0; border: 1px solid #ffa39e; color: #a8071a; }

table.list {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
table.list th, table.list td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  word-break: break-all;
}
table.list th { background: #fafbfc; color: var(--muted); font-weight: normal; font-size: 13px; position: sticky; top: 0; z-index: 5; }
table.list tr:last-child td { border-bottom: none; }

.pager { display: flex; gap: 10px; align-items: center; justify-content: flex-end; margin-top: 10px; color: var(--muted); }

.taskbar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 10px;
}
.taskbar .row { display: flex; align-items: center; gap: 10px; }
.taskbar .name { flex: 1; word-break: break-all; }
.taskbar .state { color: var(--muted); font-size: 13px; white-space: nowrap; }
.progress {
  height: 6px;
  background: #edf0f3;
  border-radius: 3px;
  margin-top: 8px;
  overflow: hidden;
}
.progress .bar { height: 100%; background: var(--primary); width: 0; transition: width .2s; }

.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: var(--card); border-radius: 10px; padding: 24px; width: 360px;
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.modal h3 { margin-bottom: 14px; font-size: 16px; }

label.inline { display: flex; align-items: center; gap: 6px; color: var(--muted); cursor: pointer; }

footer.foot { text-align: center; color: var(--muted); font-size: 12px; margin: 20px 0; }

/* ---------- 上传入口区（FR-13 / 附录C 线框） ---------- */
.col-side {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.col-side .side-row { display: flex; gap: 10px; flex-wrap: wrap; }
.col-side .btn { flex: 1; min-width: 120px; height: 48px; font-size: 15px; white-space: nowrap; }
.col-side .side-muted { color: var(--muted); font-size: 13px; margin-top: 8px; }
/* 桌面端无相机能力：拍照/相册入口自动隐藏，仅保留「选择文件」（FR-13） */
body:not(.is-mobile) .mobile-only { display: none !important; }
body:not(.is-mobile) .col-side .btn { flex: 0 0 auto; height: 40px; font-size: 14px; }
body:not(.is-mobile) .col-side { padding: 10px 12px; }

/* 网络状态横幅（FR-14 蜂窝切换提示） */
.banner.info { background: #e8f1ff; border: 1px solid #91caff; color: #0958d9; }

/* ---------- 平板端（481~1024px）双列布局（FR-12 / NFR-10） ---------- */
@media (min-width: 481px) and (max-width: 1024px) {
  .page { max-width: 100%; display: grid; grid-template-columns: 280px 1fr; gap: 16px; align-items: start; }
  .page > .col-side { position: sticky; top: 12px; margin-bottom: 0; display: flex; flex-direction: column; }
  .page > .col-side .side-row { flex-direction: column; }
  .page > .col-side .side-row .btn { width: 100%; }
  .page > .col-main { min-width: 0; margin-bottom: 0; background: transparent; border: none; padding: 0; }
}

/* ---------- 手机端（≤480px）单列布局（FR-12 / NFR-10 / NFR-14） ---------- */
@media (max-width: 480px) {
  body { font-size: 15px; }
  header.topbar { padding: 8px 12px; gap: 8px; flex-wrap: wrap; }
  header.topbar .brand { font-size: 15px; }
  header.topbar .btn.sm { padding: 8px 12px; font-size: 13px; min-height: 36px; }
  header.topbar a { padding: 8px 4px; }
  .page { margin: 10px auto; padding: 0 10px; }
  .card { width: 100%; max-width: 360px; }
  .modal { width: 92vw; max-width: 360px; }

  /* 触控目标 ≥ 44px（NFR-14） */
  .btn { min-height: 44px; padding: 10px 16px; }
  .btn.sm { min-height: 44px; padding: 8px 14px; }
  input { font-size: 16px; padding: 11px 12px; } /* 16px 防 iOS 聚焦缩放 */

  /* 桌面表格 → 单列卡片列表 */
  table.list, table.list tbody, table.list tr, table.list td { display: block; }
  table.list thead { display: none; }
  table.list { border: none; background: transparent; }
  table.list tr {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    padding: 6px 0;
  }
  table.list td {
    border-bottom: none;
    padding: 6px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
  }
  table.list td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 13px;
    flex-shrink: 0;
  }
  table.list td.td-name { padding-top: 10px; }
  table.list td.td-name::before { display: none; }
  table.list td.td-name .f-name { font-size: 15px; font-weight: 500; }
  table.list td.td-actions { justify-content: flex-end; gap: 8px; padding-bottom: 10px; }
  table.list td.td-actions::before { display: none; }

  .toolbar input[type="text"] { width: 100%; }
  .pager { justify-content: center; }
  .taskbar .row { flex-wrap: wrap; }
  .taskbar .state { white-space: normal; }
}