/* 白底、細框線、一種強調色；不用漸層與陰影。手機優先（380px），寬螢幕置中。 */
:root {
  --accent: #0f6cbd;
  --ink: #1f2328;
  --muted: #656d76;
  --line: #d0d7de;
  --soft: #f6f8fa;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: #fff; color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 12px 16px 48px; }
a { color: var(--accent); }
h1 { font-size: 20px; margin: 8px 0 12px; }
h1 small, h3 small { font-size: 13px; font-weight: normal; color: var(--muted); }
h2 { font-size: 18px; margin: 20px 0 8px; }
h3 { font-size: 15px; margin: 16px 0 6px; }
.muted { color: var(--muted); font-size: 14px; }
.err { color: #b42318; border: 1px solid #b42318; padding: 8px 10px; border-radius: 6px; }
.ok { color: var(--accent); border: 1px solid var(--accent); padding: 8px 10px; border-radius: 6px; }
.note { border-left: 3px solid var(--accent); padding: 6px 10px; background: var(--soft); font-size: 14px; }
.empty { color: var(--muted); padding: 24px 0; text-align: center; }

/* 頂部導覽 */
.top { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line);
       padding: 8px 16px; position: sticky; top: 0; background: #fff; z-index: 2; }
.top nav a { margin-right: 14px; text-decoration: none; color: var(--ink); padding: 4px 0; }
.top nav a.on { color: var(--accent); border-bottom: 2px solid var(--accent); }
.who { display: flex; gap: 8px; align-items: center; font-size: 14px; color: var(--muted); margin: 0; }
button.link { background: none; border: 0; color: var(--accent); padding: 0; font-size: 14px; cursor: pointer; }

/* 表單 */
label { display: block; font-size: 14px; color: var(--muted); margin: 8px 0 0; }
input, select, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 9px 10px; font: inherit; color: var(--ink);
  border: 1px solid var(--line); border-radius: 6px; background: #fff;
}
textarea { resize: vertical; }
.row { display: flex; gap: 8px; }
.row > label { flex: 1; min-width: 0; }
button, .btn {
  display: inline-block; margin-top: 12px; padding: 9px 14px; font: inherit; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
}
button.primary, .btn { border-color: var(--accent); background: var(--accent); color: #fff; }
button.outline, .btn.outline { background: #fff; color: var(--accent); border-color: var(--accent); }
button.wide { width: 100%; }
.btn.ghost { background: #fff; color: var(--ink); border-color: var(--line); }
button.small { margin: 0; padding: 5px 12px; font-size: 14px; }
.box { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 12px 0; }
.box > summary { list-style: none; margin: 0; }
.box > summary::-webkit-details-marker { display: none; }
.box[open] > summary { margin-bottom: 4px; }
.inline-label { display: flex; align-items: center; gap: 8px; }
.inline-label select { width: auto; margin: 0; }

/* 登入 */
.login { max-width: 340px; margin: 12vh auto 0; }
.login button { width: 100%; }

/* 數字卡 */
.big { font-size: 22px; }
.big b { color: var(--accent); font-size: 30px; }
.stats { display: flex; gap: 10px; margin-bottom: 12px; }
.stat { flex: 1; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.stat .n { display: block; font-size: 26px; font-weight: 600; color: var(--accent); }
.stat span:last-child { font-size: 14px; color: var(--muted); }

/* 清單 */
.list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.list > li { border-bottom: 1px solid var(--line); }
.list.plain > li { padding: 10px 0; }
.item { position: relative; }
.item > details > summary { list-style: none; padding: 12px 64px 12px 0; cursor: pointer; }
.item > details > summary::-webkit-details-marker { display: none; }
.list:not(.plain) > li:not(:has(form.inline)) > details > summary { padding-right: 0; }
.item .name { display: block; font-weight: 600; }
.item .sub { display: block; font-size: 13px; color: var(--muted); }
.item form.inline { position: absolute; right: 0; top: 10px; }
.item.claimed { padding: 12px 0; }
.tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.tag { display: inline-block; font-size: 12px; line-height: 1.6; padding: 0 7px; border: 1px solid var(--accent);
       color: var(--accent); border-radius: 999px; white-space: nowrap; font-weight: normal; }
.tag.hot { background: var(--accent); color: #fff; }
.tag.warn { border-color: #b42318; color: #b42318; }
.tag.muted { border-color: var(--line); color: var(--muted); }

/* 客戶卡 */
.card { padding: 4px 0 16px; }
.card h2 { margin-top: 4px; }
.kv { display: grid; grid-template-columns: 72px 1fr; gap: 6px 10px; margin: 0; font-size: 15px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.posts { padding-left: 18px; margin: 4px 0; font-size: 14px; }
.posts li { margin-bottom: 4px; }
.history { list-style: none; padding: 0; margin: 4px 0; }
.history li { border-left: 2px solid var(--line); padding: 2px 0 8px 10px; font-size: 14px; }
.history .meta { color: var(--muted); font-size: 13px; }
.history .txt { white-space: pre-wrap; overflow-wrap: anywhere; }
.paste { border: 1px solid var(--accent); border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; }
.paste textarea { font: 13px/1.4 ui-monospace, Menlo, monospace; white-space: pre; overflow-x: auto; }

/* 老闆總覽 */
.people { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 640px) { .people { grid-template-columns: 1fr 1fr; } }
.person { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.person header { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.person header b { font-size: 16px; }
.grid { display: grid; grid-template-columns: auto 1fr auto 1fr; gap: 4px 10px; margin: 0; font-size: 14px; }
.grid dt { color: var(--muted); }
.grid dd { margin: 0; }
.grid dd.wide { grid-column: 2 / -1; }
.light { margin-left: auto; font-size: 13px; padding: 0 8px; border-radius: 999px; border: 1px solid var(--line); }
.light-綠 { border-color: var(--accent); color: var(--accent); }
.light-黃 { border-color: #9a6700; color: #9a6700; }
.light-紅 { border-color: #b42318; color: #b42318; }
.scroll { overflow-x: auto; }
table.funnel { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0; }
.funnel th, .funnel td { border-bottom: 1px solid var(--line); padding: 6px 4px; text-align: right; white-space: nowrap; }
.funnel th:first-child, .funnel td:first-child { text-align: left; }
.funnel th { color: var(--muted); font-weight: normal; }
.foot { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 10px; color: var(--muted); font-size: 13px; }

.field-err { display: block; color: #b42318; font-size: 13px; margin-top: 4px; }
.field-err[hidden] { display: none; }
select.invalid { border-color: #b42318; }
details.more > summary { color: var(--accent); cursor: pointer; font-size: 14px; margin: 4px 0 8px; }
.more-row { padding: 8px 0; }
.boss-card { margin-top: 10px; }
.boss-card header .muted { margin-left: 6px; }
.backup { font-size: 13px; color: var(--muted); margin: -4px 0 8px; }
.backup.stale { color: #b42318; font-weight: 600; }