/* 客製沙發布料換算：樣式（由 prototype.html 搬移） */
:root {
  --bg: #e9edf1; --panel: #ffffff; --ink: #1c2733; --muted: #5d6b79; --line: #cfd7df;
  --field: #f6f8fa; --accent: #2f5d8a; --accent-ink: #ffffff; --red: #c62828; --soft: #eef3f8;
  color-scheme: light; box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #151b22; --panel: #1e2630; --ink: #e6ebf0; --muted: #9aa8b6; --line: #34404d;
    --field: #252f3b; --accent: #6b9ccc; --accent-ink: #10161d; --red: #ff6b6b; --soft: #24303c; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #151b22; --panel: #1e2630; --ink: #e6ebf0; --muted: #9aa8b6; --line: #34404d;
  --field: #252f3b; --accent: #6b9ccc; --accent-ink: #10161d; --red: #ff6b6b; --soft: #24303c; color-scheme: dark;
}
html { scroll-padding-top: env(safe-area-inset-top, 0px); }
*, *::before, *::after { box-sizing: inherit; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; font-size: 15px; line-height: 1.6; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 20px 16px 48px; }
h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 16px; margin: 0 0 12px; }
.tabs { display: flex; gap: 6px; margin-bottom: 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tabs button { border: none; background: none; border-bottom: 3px solid transparent; border-radius: 0; padding: 8px 14px; font-weight: 500; color: var(--muted); }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 700; }
.banner { background: var(--soft); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; }
.banner:empty { display: none; }
.cols { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 18px; align-items: start; }
@media (max-width: 860px) { .cols { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin-bottom: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; }
label.f { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); flex: 1 1 120px; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--field); border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; margin-top: 4px; min-width: 0; width: 100%; }
input:focus-visible, select:focus-visible, button:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button { font: inherit; cursor: pointer; border-radius: 6px; padding: 8px 14px; border: 1px solid var(--line); background: var(--field); color: var(--ink); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 700; }
button.danger { color: var(--red); }
button.small { padding: 3px 9px; font-size: 13px; }
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 14px; }
.msg { font-size: 13px; color: var(--muted); }
.hint { font-size: 13px; color: var(--muted); margin: 8px 0 0; }
.tablewrap { overflow-x: auto; }
table.t { width: 100%; border-collapse: collapse; }
table.t th { font-size: 12px; color: var(--muted); font-weight: 500; text-align: left; padding: 4px; white-space: nowrap; }
table.t td { padding: 4px; vertical-align: middle; }
table.t input, table.t select { margin-top: 0; padding: 6px; }
table.edit { min-width: 640px; }
.x { color: var(--muted); text-align: center; }
.tw { display: block; font-size: 12px; color: var(--muted); }
.changed { color: var(--red); font-weight: 700; }
input.changed { color: var(--red); }
.badge { display: inline-block; font-size: 11px; padding: 0 6px; border-radius: 4px; background: var(--soft); color: var(--accent); margin-left: 4px; }
.list { display: flex; flex-direction: column; gap: 6px; }
.list button { text-align: left; background: var(--panel); width: 100%; }
.list button[aria-current="true"] { border-color: var(--accent); box-shadow: inset 3px 0 0 var(--accent); }
.list .s { display: block; font-size: 12px; color: var(--muted); }
.empty { color: var(--muted); padding: 12px 0; }
.stdbox { background: var(--soft); border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; font-size: 14px; }
.progress { height: 6px; background: var(--soft); border-radius: 3px; overflow: hidden; margin: 6px 0 14px; }
.progress div { height: 100%; background: var(--accent); }
.check td { border-bottom: 1px solid var(--line); padding: 10px 4px; }
.check input[type=checkbox] { width: 22px; height: 22px; margin: 0; accent-color: var(--accent); }
.check tr.done td.c { text-decoration: line-through; opacity: .5; }
.check tr.done .changed { color: inherit; }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
[hidden] { display: none !important; }
.group { border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin-bottom: 12px; background: var(--panel); }
.ghead { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.ghead input.gname { font-weight: 700; margin-top: 0; max-width: 320px; }
tr.grow td { font-weight: 700; background: var(--soft); padding: 6px 8px; border-radius: 4px; }
tr.grow .s { font-weight: 400; color: var(--muted); font-size: 13px; margin-left: 8px; }
.sheet tr.grow td { background: #f1f5f9; font-weight: 700; border-bottom: none; padding: 6px 8px; }
td.ncol { width: 120px; }
td.ncol .tw { white-space: nowrap; }
td.mcol { width: 130px; white-space: nowrap; }
.top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.top h1 { margin: 0; }
.zoom { display: flex; align-items: center; gap: 6px; }
.zoom button { min-width: 44px; font-weight: 700; padding: 6px 10px; }
#zVal { min-width: 44px; text-align: center; font-size: 14px; }

/* 下載用的表單：固定淺色 */
#printArea { position: fixed; left: -10000px; top: 0; width: 720px; }
.sheet { background: #fff; color: #1c2733; padding: 28px; font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; }
.sheet h3 { margin: 0; font-size: 22px; }
.sheet .meta { color: #5d6b79; font-size: 14px; margin: 6px 0 14px; }
.sheet .meta span { margin-right: 18px; }
.sheet .size { display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; padding: 12px; background: #f1f5f9; border-radius: 8px; margin-bottom: 14px; }
.sheet .size b { font-weight: 500; color: #5d6b79; }
.sheet table { width: 100%; border-collapse: collapse; font-size: 15px; }
.sheet th { text-align: left; font-weight: 500; color: #5d6b79; border-bottom: 2px solid #1c2733; padding: 6px 4px; font-size: 13px; }
.sheet td { border-bottom: 1px solid #dde3e9; padding: 9px 4px; vertical-align: top; }
.sheet .changed { color: #c62828; }
.sheet .tw { color: #5d6b79; }
.sheet .box { font-size: 18px; }
.sheet .foot { margin-top: 14px; font-size: 12px; color: #5d6b79; }

/* 登入畫面與使用者資訊 */
.gate { max-width: 420px; margin: 15vh auto 0; padding: 0 16px; text-align: center; }
.gate p { font-size: 16px; margin: 12px 0 20px; }
.gate button { font-size: 17px; padding: 12px 24px; margin: 6px; }
.tools { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.user { display: flex; align-items: center; gap: 8px; }

/* 人員管理 */
.urow { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 8px 12px; }
.urow .s { display: block; font-size: 12px; color: var(--muted); word-break: break-all; }
.urow .btns { display: flex; gap: 6px; }
label.chk { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
label.chk input { width: 22px; height: 22px; margin: 0; accent-color: var(--accent); }