:root {
  --bg: #f6f2ea;
  --paper: #fffdf8;
  --ink: #2b2620;
  --muted: #7a6f62;
  --line: #e2d8c8;
  --line-strong: #cdbfa8;
  --kraft: #a8743f;
  --kraft-dark: #7d5328;
  --kraft-soft: #f1e5d3;
  --head: #efe6d8;
  --changed: #fff1b8;
  --added: #e2f3df;
  --danger: #b4412f;
  --focus: #2f6db4;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  background: var(--bg); color: var(--ink); font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.err { color: var(--danger); min-height: 1.2em; margin: 8px 0 0; }
.grow { flex: 1; }
button { font: inherit; cursor: pointer; }
input, select { font: inherit; color: inherit; }

/* 登入 */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px;
  background: radial-gradient(circle at 20% 10%, #efe1c9, transparent 60%), var(--bg); }
.login-card { width: min(360px, 100%); background: var(--paper); border: 1px solid var(--line);
  border-radius: 14px; padding: 32px 28px; box-shadow: 0 12px 40px rgba(80, 55, 20, .12); }
.login-card h1 { font-size: 22px; margin: 14px 0 4px; }
.login-card p.muted { margin: 0 0 20px; }
.login-card label { display: block; margin-bottom: 14px; font-weight: 500; }
.login-card input { width: 100%; margin-top: 6px; padding: 10px 12px; border: 1px solid var(--line-strong);
  border-radius: 8px; background: #fff; }
.pw-wrap { position: relative; display: block; }
.pw-wrap input { padding-right: 42px; }
.eye { position: absolute; right: 6px; top: calc(50% + 2px); transform: translateY(-50%); border: 0; background: none;
  font-size: 16px; opacity: .55; padding: 4px; }
.eye.on { opacity: 1; }
.brand-mark { width: 44px; height: 44px; border-radius: 10px; background: var(--kraft); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 22px; }
.brand-mark.sm { width: 30px; height: 30px; font-size: 16px; border-radius: 7px; }

/* 頂部 */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 20px;
  background: var(--paper); border-bottom: 1px solid var(--line); padding: 0 20px; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; white-space: nowrap; }
.tabs { display: flex; gap: 2px; height: 100%; overflow-x: auto; }
.tabs button { border: 0; background: none; padding: 0 14px; color: var(--muted); font-weight: 500;
  border-bottom: 3px solid transparent; white-space: nowrap; }
.tabs button:hover { color: var(--ink); }
.tabs button.on { color: var(--kraft-dark); border-bottom-color: var(--kraft); }
.me { margin-left: auto; display: flex; gap: 12px; align-items: center; white-space: nowrap; }
.link { border: 0; background: none; color: var(--kraft-dark); padding: 0; }
.link:hover { text-decoration: underline; }

main { padding: 16px 20px 40px; max-width: 1600px; margin: 0 auto; }

/* 工具列 */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
.toolbar.sub { padding: 8px 12px; background: var(--kraft-soft); border-radius: 10px; }
.toolbar.editing { padding: 10px 12px; background: #fff7e0; border: 1px solid #e9cf86; border-radius: 10px; }
.field { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); white-space: nowrap; }
.field select, .field input, #search {
  padding: 7px 10px; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff; color: var(--ink); }
#verSel { font-weight: 700; min-width: 150px; }
#search { width: 220px; }
.chk { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); user-select: none; }
.btn { border: 1px solid var(--line-strong); background: #fff; color: var(--ink); padding: 7px 14px;
  border-radius: 8px; font-weight: 500; white-space: nowrap; }
.btn:hover { border-color: var(--kraft); }
.btn.primary { background: var(--kraft); border-color: var(--kraft); color: #fff; }
.btn.primary:hover { background: var(--kraft-dark); }
.btn.ghost { background: transparent; }
.btn.danger-ghost { color: var(--danger); background: transparent; border-color: transparent; }
.btn.danger-ghost:hover { border-color: var(--danger); }
.btn.block { width: 100%; padding: 10px; margin-top: 6px; }
.btn.xs { padding: 2px 8px; font-size: 12px; }
.pill { background: var(--kraft-soft); color: var(--kraft-dark); padding: 3px 10px; border-radius: 99px; font-weight: 700; }
.pill.over { background: #fbe1dc; color: var(--danger); }

/* 表格 */
.table-wrap { overflow: auto; background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  max-height: calc(100vh - 230px); }
.table-wrap.narrow { max-width: 980px; }
table.grid { border-collapse: separate; border-spacing: 0; width: 100%; }
.grid th, .grid td { border-bottom: 1px solid var(--line); border-right: 1px solid var(--line);
  padding: 7px 10px; text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.grid th:last-child, .grid td:last-child { border-right: 0; }
.grid thead th { position: sticky; top: 0; z-index: 2; background: var(--head); font-weight: 700;
  text-align: center; white-space: nowrap; line-height: 1.3; font-size: 13px; vertical-align: bottom; }
.grid th .unit { display: block; font-weight: 400; color: var(--muted); font-size: 11.5px; }
.grid td.t { text-align: left; }
.grid td.c { text-align: center; }
.grid td.name { font-weight: 500; }
.grid td.code { font-family: ui-monospace, Consolas, monospace; font-weight: 700; color: var(--kraft-dark); text-align: center; }
.grid td.widths { text-align: left; white-space: normal; min-width: 150px; max-width: 260px; font-size: 12.5px; }
.grid td.calc { color: var(--muted); }
.grid tbody tr:hover td { background: #fbf6ee; }
.grid tr.group td { background: #f8f3ea; font-weight: 700; color: var(--kraft-dark); text-align: left;
  font-size: 12.5px; letter-spacing: .05em; }
.grid td.chg { background: var(--changed) !important; }
.grid tr.added td { background: var(--added); }
.grid tr.inactive td { color: #a39889; }
.tag { display: inline-block; font-size: 11px; padding: 0 6px; border-radius: 4px; margin-left: 6px;
  background: #3f8a4a; color: #fff; font-weight: 500; vertical-align: 1px; }
.tag.src-ch { background: var(--kraft); }
.tag.src-lx { background: #4a6b8a; }
.tag.warn { background: var(--danger); }
.auto-tag { font-size: 10.5px; color: var(--muted); border: 1px solid var(--line-strong); border-radius: 3px;
  padding: 0 3px; margin-left: 4px; }
.empty { color: #c9bca8; }
.note { color: var(--muted); font-size: 12.5px; margin: 10px 2px; }
.removed { margin-top: 8px; font-size: 13px; }
.removed:empty { display: none; }
.removed { padding: 10px 12px; background: #fbe9e5; border-radius: 8px; color: var(--danger); }
.sheet-title { font-size: 17px; margin: 4px 0 12px; }
.sheet-title.inline { margin: 0; }
.sheet-title small { font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 6px; }

/* 編輯 */
.grid input.cell { width: 100%; min-width: 56px; padding: 4px 6px; border: 1px solid var(--line-strong);
  border-radius: 5px; text-align: right; background: #fff; }
.grid input.cell.t { text-align: left; }
.grid input.cell.w-name { min-width: 150px; }
.grid input.cell.w-widths { min-width: 190px; }
.grid input.cell:focus, .field input:focus, .field select:focus, #search:focus { outline: 2px solid var(--focus); outline-offset: -1px; }
.grid select.cell { padding: 4px; border: 1px solid var(--line-strong); border-radius: 5px; background: #fff; }
.row-ops { display: flex; gap: 2px; }
.row-ops button { border: 1px solid var(--line); background: #fff; border-radius: 4px; width: 24px; height: 24px;
  padding: 0; color: var(--muted); }
.row-ops button:hover { color: var(--ink); border-color: var(--kraft); }
.row-ops button.del:hover { color: var(--danger); border-color: var(--danger); }

/* 對話框 */
dialog { border: 0; border-radius: 12px; padding: 0; width: min(420px, calc(100vw - 32px));
  box-shadow: 0 20px 60px rgba(0, 0, 0, .25); }
dialog::backdrop { background: rgba(40, 30, 15, .35); }
#dlgForm { padding: 22px 22px 18px; }
#dlgForm h3 { margin: 0 0 14px; }
#dlgBody label { display: block; margin-bottom: 12px; color: var(--muted); }
#dlgBody input, #dlgBody select { display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid var(--line-strong); border-radius: 8px; color: var(--ink); }
#dlgBody p { margin: 0 0 10px; line-height: 1.6; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); opacity: 0;
  background: #2b2620; color: #fff; padding: 10px 18px; border-radius: 8px; transition: .25s; pointer-events: none; z-index: 99; }
.toast.show { opacity: 1; transform: translateX(-50%); }
.toast.bad { background: var(--danger); }


@media (max-width: 760px) {
  .topbar { flex-wrap: wrap; height: auto; padding: 8px 16px 0; gap: 6px; }
  .tabs { order: 3; width: 100%; height: 42px; }
  .brand span:last-child { font-size: 15px; }
  main { padding: 12px 16px 32px; }
  #search { width: 100%; }
  .table-wrap { max-height: none; }
}



.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: #fff; padding: 6px 14px; color: var(--muted); }
.seg button + button { border-left: 1px solid var(--line-strong); }
.seg button.on { background: var(--kraft); color: #fff; }
.danger-text { color: var(--danger); font-weight: 500; }
a.btn { text-decoration: none; display: inline-block; }