:root {
  --ink: #1d2a2c;
  --paper: #f4f5f2;
  --card: #ffffff;
  --line: #d6dad4;
  --muted: #5d6b6d;
  --ok: #1f7a4d;
  --bad: #b3372b;
  --accent: #2c5f66;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8ecea;
    --paper: #151a1b;
    --card: #1e2527;
    --line: #333d3f;
    --muted: #9aa8aa;
    --ok: #4cc38a;
    --bad: #f0786c;
    --accent: #6fb3bb;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.7;
}
main { max-width: 34rem; margin: 0 auto; padding: 2.5rem 1.25rem 3rem; }
h1 { font-size: 1.6rem; margin: 0 0 .25rem; letter-spacing: .02em; }
.sub { color: var(--muted); margin: 0 0 2rem; }
.entry {
  display: block;
  padding: 1.1rem 1.25rem;
  margin-bottom: .9rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: inherit;
  text-decoration: none;
}
.entry:hover, .entry:focus-visible { border-color: var(--accent); outline: none; }
.entry b { display: block; font-size: 1.1rem; }
.entry span { color: var(--muted); font-size: .95rem; }
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
}
.panel h2 { font-size: 1rem; margin: 0 0 .5rem; }
.row { display: flex; justify-content: space-between; gap: 1rem; padding: .35rem 0; border-top: 1px solid var(--line); }
.row:first-of-type { border-top: 0; }
.ok { color: var(--ok); font-weight: 600; }
.bad { color: var(--bad); font-weight: 600; }
.note { color: var(--muted); font-size: .9rem; margin-top: 1.5rem; }
a { color: var(--accent); }

/* ---------- 表單與按鈕 ---------- */
label { display: block; font-size: .95rem; margin: .9rem 0 .25rem; color: var(--muted); }
input, select, textarea {
  width: 100%;
  font: inherit;
  padding: .65rem .75rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
  color: var(--ink);
}
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
button {
  font: inherit;
  padding: .6rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.danger { color: var(--bad); }
button.small { padding: .25rem .6rem; font-size: .88rem; }
button:disabled { opacity: .55; cursor: not-allowed; }
.err { color: var(--bad); min-height: 1.6em; margin: .75rem 0 0; }
.big-input { font-size: 1.25rem; padding: .85rem 1rem; letter-spacing: .08em; }
.full { width: 100%; margin-top: 1.25rem; padding: .9rem; font-size: 1.1rem; }

/* ---------- 管理端 ---------- */
.wide { max-width: 64rem; }
.topbar { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.tabs { display: flex; gap: .5rem; margin: 1.25rem 0 1rem; border-bottom: 1px solid var(--line); }
.tabs button { border: 0; border-bottom: 3px solid transparent; border-radius: 0; background: none; padding: .6rem 1rem; }
.tabs button[aria-selected="true"] { border-bottom-color: var(--accent); font-weight: 700; }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: .75rem; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); }
th, td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--line); vertical-align: middle; font-size: .95rem; }
th { color: var(--muted); font-weight: 600; background: var(--paper); }
td.actions { display: flex; gap: .35rem; flex-wrap: wrap; }
.tag { display: inline-block; padding: 0 .5rem; border-radius: 4px; border: 1px solid var(--line); font-size: .85rem; }
.tag.ok { color: var(--ok); border-color: var(--ok); }
.tag.bad { color: var(--bad); border-color: var(--bad); }
.table-wrap { overflow-x: auto; }
dialog { border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); padding: 1.25rem 1.5rem; width: min(30rem, 92vw); }
dialog::backdrop { background: rgba(0,0,0,.4); }
dialog h2 { margin: 0 0 .5rem; font-size: 1.15rem; }
.dlg-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: 1.25rem; }
.hint { color: var(--muted); font-size: .88rem; margin: .25rem 0 0; }
.empty { color: var(--muted); padding: 1.5rem 0; }

/* ---------- 員工端：日報表單與照片 ---------- */
button.big { font-size: 1.15rem; padding: 1rem; }
.readonly { padding: .65rem .75rem; border: 1px dashed var(--line); border-radius: 6px; color: var(--muted); min-height: 2.9rem; }
textarea.big-input { font-size: 1.05rem; letter-spacing: normal; line-height: 1.6; resize: vertical; }
select.big-input { letter-spacing: normal; }
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: .5rem; margin-bottom: .75rem; }
.tile { position: relative; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: var(--card); }
.tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tile .ph { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--muted); font-size: .85rem; }
.tile .x { position: absolute; top: 2px; right: 2px; width: 1.7rem; height: 1.7rem; padding: 0; border-radius: 50%; line-height: 1; background: rgba(0,0,0,.6); border: 0; color: #fff; font-size: 1.1rem; }
.tile .st { position: absolute; left: 0; right: 0; bottom: 0; padding: .15rem .3rem; font-size: .78rem; background: rgba(0,0,0,.62); color: #fff; text-align: center; }
.tile .st.ok { background: rgba(31,122,77,.85); }
.tile .st.bad { background: rgba(179,55,43,.92); }
.tile .st button { all: unset; cursor: pointer; text-decoration: underline; }
.tile .bar { position: absolute; left: 0; bottom: 0; height: 3px; background: var(--accent); }
.tile .no { position: absolute; left: 3px; top: 3px; padding: 0 .35rem; font-size: .75rem; border-radius: 4px; background: rgba(0,0,0,.6); color: #fff; }
.rep { display: block; width: 100%; text-align: left; padding: .8rem 1rem; margin-bottom: .6rem; background: var(--card); border: 1px solid var(--line); border-radius: 6px; }
.rep b { display: block; }
.rep span { color: var(--muted); font-size: .9rem; }
.kv { display: grid; grid-template-columns: 5.5rem 1fr; gap: .25rem .75rem; margin: 0 0 1rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; white-space: pre-wrap; word-break: break-word; }
dialog .photo-grid { grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); }
dialog { max-height: 90vh; overflow-y: auto; }
a.tile { display: block; color: inherit; text-decoration: none; }

/* 施工位置快速按鈕 */
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: .1rem 0 .5rem; }
.chips:empty { display: none; }
.chip { padding: .45rem .9rem; border: 1px solid var(--line); border-radius: 999px; background: var(--card); font-size: 1rem; cursor: pointer; min-height: 2.4rem; }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
/* 管理端子頁籤 */
.subtabs { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 .9rem; }
.subtabs button { padding: .3rem .85rem; font-size: .92rem; border-radius: 999px; }
.subtabs button[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.tagchip { display: inline-block; padding: 0 .5rem; margin: 0 .2rem .2rem 0; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-size: .82rem; }
.tagbox { display: flex; flex-wrap: wrap; gap: .3rem; align-items: center; border: 1px solid var(--line); border-radius: 6px; padding: .3rem; background: var(--card); }
.tagbox input { border: 0; flex: 1; min-width: 7rem; padding: .25rem; background: transparent; }
.tagbox .tagchip button { all: unset; cursor: pointer; margin-left: .3rem; color: var(--muted); }

/* 報價單編輯 */
.qgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 0 .9rem; }
.qline { border: 1px solid var(--line); border-radius: 8px; padding: .55rem; margin-bottom: .6rem; background: var(--card); }
.qrow1 { display: grid; grid-template-columns: 1.6rem minmax(9rem, 1fr) 5.2rem 4.4rem 6.5rem 6.5rem auto auto; gap: .4rem; align-items: center; }
.qrow2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: .4rem; margin-top: .4rem; }
.qline input { padding: .35rem .5rem; }
.qno { color: var(--muted); text-align: center; }
.q-amt { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.q-star.on { background: #f5c542; border-color: #d9a400; color: #fff; }
.q-hint { margin: .25rem 0 0; min-height: 1em; }
.qtotals { max-width: 22rem; margin-left: auto; }
.qtotals .trow { display: flex; justify-content: space-between; align-items: center; padding: .25rem 0; }
.qtotals .total { border-top: 2px solid var(--line); font-size: 1.15rem; margin-top: .3rem; padding-top: .5rem; }
@media (max-width: 720px) { .qrow1 { grid-template-columns: 1.6rem 1fr 1fr; } .qrow1 .q-name { grid-column: 2 / 4; } }