/* DMC v2 收集層 — baseline 視覺（清晰可用；精緻留設計部）*/
:root {
  --ink: #1c2733;
  --muted: #5b6b7a;
  --line: #d8e0e8;
  --bg: #f4f7fa;
  --card: #ffffff;
  --brand: #1f5f8b;
  --brand-dk: #16435f;
  --hard: #c0392b;
  --soft: #b8860b;
  --ok: #1e7d4f;
  --warn: #8a6d00;
  --radius: 8px;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font-family: "PingFang HK", "Microsoft JhengHei", "Noto Sans HK", system-ui, sans-serif;
  line-height: 1.55;
}
.wrap { max-width: 920px; margin: 0 auto; padding: 0 20px; }

.topbar { background: linear-gradient(135deg, var(--brand), var(--brand-dk)); color: #fff; padding: 26px 0 22px; }
.topbar h1 { margin: 0 0 4px; font-size: 1.5rem; }
.topbar .sub { margin: 0; opacity: .92; font-size: .92rem; }
.topbar .auth-bar { margin-top: 10px; display: flex; align-items: center; gap: 10px; }
.topbar .who-user { font-size: .8rem; opacity: .9; }
.topbar .btn-logout {
  background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.45);
  border-radius: 6px; padding: 4px 12px; font-size: .82rem; cursor: pointer;
}
.topbar .btn-logout:hover { background: rgba(255,255,255,.28); }

main.wrap { padding-top: 24px; padding-bottom: 40px; }

.card, .form-section {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; margin-bottom: 18px;
}
h2 { margin: 0 0 12px; font-size: 1.12rem; color: var(--brand-dk); border-bottom: 2px solid var(--line); padding-bottom: 8px; }
h3 { font-size: 1rem; margin: 0 0 8px; }
.muted { color: var(--muted); font-size: .9rem; }

.login-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 14px 0; }
@media (max-width: 560px) { .login-grid { grid-template-columns: 1fr; } }

.who-bar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
  background: #eaf2f8; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 16px; margin-bottom: 16px; font-weight: 600; }
.legend { font-weight: 400; font-size: .85rem; color: var(--muted); }

.field { margin-bottom: 14px; }
.lbl { display: block; font-weight: 600; margin-bottom: 5px; font-size: .94rem; }
.hint { font-size: .82rem; color: var(--muted); margin: 3px 0 6px; }
.hint.warn { color: var(--warn); }
.req.hard { color: var(--hard); }
.req.soft { color: var(--soft); }

.ctl {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px;
  font: inherit; background: #fff; color: var(--ink);
}
.ctl:focus { outline: 2px solid var(--brand); outline-offset: 0; border-color: var(--brand); }
.ctl.readonly { background: #eef2f6; color: var(--muted); }
.ctl.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .85rem; }
textarea.ctl { resize: vertical; }

/* list / 多行欄位 */
.list-field > .rows, .list-field > .concerns { margin: 6px 0; }
.list-item, .concern {
  border: 1px solid var(--line); border-left: 3px solid var(--brand);
  border-radius: 6px; padding: 12px 14px; margin-bottom: 10px; background: #fbfdff;
}
.concern { border-left-color: var(--brand-dk); background: #f7fafd; }
.list-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.cell { margin-bottom: 0; }
.strat-block { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
.obj-fields { padding-left: 4px; }

.btn-add, .btn-del {
  font: inherit; cursor: pointer; border-radius: 6px; padding: 6px 12px; border: 1px solid var(--line);
}
.btn-add { background: #eaf2f8; color: var(--brand-dk); font-weight: 600; }
.btn-add:hover { background: #dceaf4; }
.btn-del { background: #fff; color: var(--hard); font-size: .82rem; margin-top: 8px; }
.btn-del:hover { background: #fdeceb; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 18px 0 8px; }
.btn-primary, .btn-secondary {
  font: inherit; font-weight: 600; cursor: pointer; padding: 10px 18px; border-radius: 7px; border: none;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dk); }
.btn-primary:disabled { opacity: .6; cursor: default; }
.btn-secondary { background: #fff; color: var(--brand-dk); border: 1px solid var(--brand); }
.btn-secondary:hover { background: #eaf2f8; }
.upload-label { font-size: .85rem; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }

.login-err, .status { white-space: pre-wrap; font-family: inherit; }
.login-err { color: var(--hard); margin: 8px 0; font-size: .88rem; }
.status { margin: 14px 0 0; padding: 0; font-size: .9rem; }
.status.ok { color: var(--ok); }
.status.err { color: var(--hard); }
.status.warn { color: var(--warn); }

.preview-box { margin-top: 18px; }
.json-preview {
  background: #0f1b26; color: #d4e4f0; padding: 14px; border-radius: 8px;
  overflow: auto; max-height: 420px; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .8rem;
}

.foot { color: var(--muted); font-size: .82rem; padding: 20px; border-top: 1px solid var(--line); margin-top: 20px; }