/* FieldPulse 視覺規範
   調色：冷灰底、墨藍字、鈷藍為唯一強調色；狀態色只用於異常等級。
   圓角規則：按鈕與選項 10px、面板 14px、標籤全圓。 */
:root {
  --bg: #f3f5f8; --panel: #ffffff; --ink: #14202b; --ink-2: #4c5a67; --ink-3: #7a8793;
  --line: #dde2e8; --line-2: #eceff3; --accent: #1f4fbf; --accent-ink: #ffffff; --accent-soft: #e6ecfb;
  --series: #2a78d6; --series-2: #eb6834; --grid: #e6eaef;
  --high: #c0362c; --high-soft: #fbe9e7; --mid: #a86400; --mid-soft: #fcf1dc; --low: #4c5a67; --low-soft: #eceff3;
  --good: #14804a; --good-soft: #e2f4ea;
  --shadow: 0 1px 2px rgba(20, 32, 43, .06), 0 8px 24px -12px rgba(20, 32, 43, .18);
  --num: "Manrope", "Noto Sans TC", sans-serif;
  /* 深色色塊：深淺模式都維持深底淺字，不跟著 --ink 反轉 */
  --slab: #14202b; --slab-ink: #eef2f6; --slab-ink-2: #b3bfca; --slab-accent: #8fb0ff; --slab-line: #4c5a67;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f151b; --panel: #172029; --ink: #eef2f6; --ink-2: #b3bfca; --ink-3: #8593a0;
    --line: #2a3642; --line-2: #212c36; --accent: #6f9bff; --accent-ink: #0b1420; --accent-soft: #1c2c4d;
    --series: #3987e5; --series-2: #d95926; --grid: #26313c;
    --high: #f08a80; --high-soft: #3a1f1d; --mid: #e8b04a; --mid-soft: #33290f; --low: #b3bfca; --low-soft: #212c36;
    --good: #5ccf93; --good-soft: #15301f; --shadow: 0 1px 2px rgba(0, 0, 0, .4);
    --slab: #1d2a37; --slab-line: #3a4856;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.6 "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; }
h1, h2, h3 { margin: 0; line-height: 1.3; font-weight: 700; }
h1 { font-size: 24px; } h2 { font-size: 18px; } h3 { font-size: 15px; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.num { font-family: var(--num); font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-2); } .small { font-size: 13px; }

/* 版面：桌機左側導覽，手機底部導覽 */
.shell { display: grid; grid-template-columns: 216px minmax(0, 1fr); min-height: 100dvh; }
.rail { background: var(--panel); border-right: 1px solid var(--line); padding: 20px 12px; position: sticky; top: 0; height: 100dvh; display: flex; flex-direction: column; gap: 4px; }
.brand { font: 700 19px var(--num); padding: 4px 12px 18px; letter-spacing: -.01em; }
.brand span { color: var(--accent); }
.nav-btn { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px; border: 0; background: none; border-radius: 10px; text-align: left; color: var(--ink-2); font-weight: 500; }
.nav-btn:hover { background: var(--line-2); }
.nav-btn[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }
.nav-btn .count { margin-left: auto; font: 700 12px var(--num); background: var(--high-soft); color: var(--high); padding: 1px 8px; border-radius: 99px; }
.rail .who { margin-top: auto; padding: 12px; border-top: 1px solid var(--line); font-size: 13px; }
.link { border: 0; background: none; padding: 0; color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
main { padding: 28px 32px 64px; min-width: 0; }
.page-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; margin-bottom: 20px; }
.page-head p { margin: 0; color: var(--ink-2); font-size: 14px; }
.live { margin-left: auto; font-size: 13px; color: var(--ink-2); display: flex; align-items: center; gap: 8px; }
.live i { width: 8px; height: 8px; border-radius: 50%; background: var(--good); }
.live.flash i { animation: pulse 1.2s ease-out; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 var(--good); } 100% { box-shadow: 0 0 0 10px transparent; } }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.panel + .panel, .grid + .panel, .panel + .grid, .kpis + .grid { margin-top: 16px; }
.panel > h2 { margin-bottom: 4px; }
.panel > .sub { margin: 0 0 16px; color: var(--ink-2); font-size: 13px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-main { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); }

/* 按鈕與表單 */
.btn { border: 1px solid var(--line); background: var(--panel); border-radius: 10px; padding: 9px 16px; font-weight: 500; white-space: nowrap; }
.btn:hover { border-color: var(--ink-3); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--high); border-color: var(--high); }
.btn.block { width: 100%; padding: 14px; font-size: 17px; font-weight: 700; }
.btn[disabled] { opacity: .5; cursor: default; }
label.f { display: grid; gap: 6px; font-size: 13px; font-weight: 500; color: var(--ink-2); }
.input, select.input, textarea.input { width: 100%; border: 1px solid var(--line); background: var(--panel); border-radius: 10px; padding: 10px 12px; min-height: 44px; color: var(--ink); }
textarea.input { min-height: 96px; resize: vertical; line-height: 1.6; }
.err { color: var(--high); font-size: 13px; margin: 6px 0 0; }

/* 登入 */
.login { min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.login-side { background: var(--slab); color: var(--slab-ink); padding: 56px; display: flex; flex-direction: column; justify-content: space-between; }
.login-side h1 { font-size: 36px; line-height: 1.35; max-width: 12em; }
.login-side ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; counter-reset: s; max-width: 30em; }
.login-side li { counter-increment: s; display: grid; grid-template-columns: 28px 1fr; gap: 12px; color: var(--slab-ink-2); font-size: 15px; }
.login-side li::before { content: counter(s); font: 700 14px var(--num); color: var(--slab-accent); padding-top: 2px; }
.login-side li b { color: var(--slab-ink); font-weight: 500; }
.login-form { display: grid; align-content: center; padding: 40px; }
.login-form form { width: min(360px, 100%); margin: 0 auto; display: grid; gap: 16px; }

/* 篩選列 */
.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-bottom: 16px; }
.filters label.f { min-width: 150px; flex: 1 1 150px; max-width: 220px; }
.seg { display: inline-flex; background: var(--line-2); border-radius: 10px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: none; border-radius: 8px; padding: 7px 14px; font-weight: 500; color: var(--ink-2); }
.seg button[aria-pressed="true"] { background: var(--panel); color: var(--ink); box-shadow: 0 1px 2px rgba(20, 32, 43, .12); }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; min-height: 44px; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); }

/* KPI */
.kpis { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.kpi { padding: 18px 20px; border-left: 1px solid var(--line-2); min-width: 0; }
.kpi:first-child { border-left: 0; }
.kpi .k { font-size: 13px; color: var(--ink-2); }
.kpi .v { font: 700 30px/1.2 var(--num); font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi:first-child .v { font-size: 40px; }
.kpi .d { font-size: 12px; color: var(--ink-3); margin-top: 2px; }

/* 圖表 */
.bars { display: grid; gap: 8px; }
.bar-row { display: grid; grid-template-columns: minmax(84px, 38%) 1fr 78px; gap: 10px; align-items: center; font-size: 13px; }
.bar-row .lab { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-row .track { height: 14px; }
.bar-row .fill { height: 100%; background: var(--series); border-radius: 0 4px 4px 0; min-width: 2px; transition: width .4s ease; }
.bar-row .val { text-align: right; font-family: var(--num); font-variant-numeric: tabular-nums; }
.bar-row .val small { color: var(--ink-3); margin-left: 4px; }
.qcard h3 { margin-bottom: 2px; }
.qcard .meta { font-size: 12px; color: var(--ink-3); margin-bottom: 12px; }
svg.chart { width: 100%; height: auto; display: block; overflow: visible; }
svg.chart text { fill: var(--ink-3); font: 11px var(--num); }
.tip { position: fixed; pointer-events: none; background: var(--ink); color: var(--bg); padding: 6px 10px; border-radius: 8px; font-size: 12px; line-height: 1.5; z-index: 20; white-space: nowrap; display: none; }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th { text-align: left; font-weight: 500; color: var(--ink-2); font-size: 12px; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.t th.sortable { cursor: pointer; }
table.t td { padding: 9px 10px; border-bottom: 1px solid var(--line-2); }
table.t tr:last-child td { border-bottom: 0; }
table.t .r { text-align: right; font-family: var(--num); font-variant-numeric: tabular-nums; }
.scroll { overflow-x: auto; }
.heat td.c { text-align: center; font-family: var(--num); font-variant-numeric: tabular-nums; min-width: 68px; }

/* 標籤 */
.tag { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.tag.high { background: var(--high-soft); color: var(--high); } .tag.medium { background: var(--mid-soft); color: var(--mid); }
.tag.low { background: var(--low-soft); color: var(--low); } .tag.good { background: var(--good-soft); color: var(--good); }

/* 覆核清單 */
.flag { display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; padding: 14px 0; border-bottom: 1px solid var(--line-2); }
.flag:last-child { border-bottom: 0; }
.flag .what { font-weight: 500; }
.flag .ctx { font-size: 13px; color: var(--ink-2); }
.flag .acts { display: flex; gap: 8px; align-items: start; }
.flag .detail { grid-column: 1 / -1; background: var(--bg); border-radius: 10px; padding: 12px 14px; font-size: 13px; display: grid; gap: 4px; }
.flag .detail div { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 12px; }
.flag .detail div span:first-child { color: var(--ink-2); }
.empty { padding: 36px 12px; text-align: center; color: var(--ink-2); }

/* 01 填表 */
.form-wrap { max-width: 640px; margin: 0 auto; }
.session { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 10px 0 12px; }
.session-bar { display: flex; align-items: center; gap: 10px; background: var(--slab); color: var(--slab-ink); border-radius: 14px; padding: 10px 14px; }
.session-bar .where { min-width: 0; flex: 1; }
.session-bar .where b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-bar .where span { font-size: 12px; color: var(--slab-ink-2); }
.session-bar .n { font: 700 22px var(--num); text-align: right; line-height: 1.1; }
.session-bar .n small { display: block; font: 400 11px "Noto Sans TC", sans-serif; color: var(--slab-ink-2); }
.session-bar .btn { background: transparent; color: var(--slab-ink); border-color: var(--slab-line); padding: 6px 12px; font-size: 13px; }
.q { padding: 18px 0; border-bottom: 1px solid var(--line); }
.q[hidden] { display: none; }
.q legend, .q .qt { font-weight: 700; padding: 0; margin-bottom: 10px; display: block; }
.q fieldset { border: 0; padding: 0; margin: 0; }
.q .hint { font-weight: 400; font-size: 12px; color: var(--ink-3); margin-left: 6px; }
.q.bad .qt, .q.bad legend { color: var(--high); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; }
.chip span { display: block; padding: 11px 16px; min-height: 46px; border: 1px solid var(--line); background: var(--panel); border-radius: 10px; font-size: 15px; user-select: none; }
.chip input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 500; }
.chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.submit-bar { position: sticky; bottom: 0; padding: 12px 0 calc(12px + env(safe-area-inset-bottom)); background: linear-gradient(to top, var(--bg) 70%, transparent); }
.queue { background: var(--mid-soft); color: var(--mid); border-radius: 10px; padding: 8px 12px; font-size: 13px; margin-bottom: 8px; }

#toast { position: fixed; left: 50%; bottom: 88px; transform: translate(-50%, 20px); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 99px; font-size: 14px; opacity: 0; transition: .25s; pointer-events: none; z-index: 30; max-width: 92vw; text-align: center; }
#toast.on { opacity: 1; transform: translate(-50%, 0); }
#toast.warn { background: var(--high); color: var(--panel); }
.skel { height: 120px; border-radius: 14px; background: linear-gradient(90deg, var(--line-2), var(--line), var(--line-2)); background-size: 200% 100%; animation: sk 1.4s linear infinite; }
@keyframes sk { to { background-position: -200% 0; } }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: fixed; top: auto; bottom: 0; left: 0; right: 0; height: auto; flex-direction: row; padding: 6px 8px calc(6px + env(safe-area-inset-bottom)); border-right: 0; border-top: 1px solid var(--line); z-index: 10; gap: 2px; }
  .brand, .rail .who { display: none; }
  .nav-btn { flex-direction: column; gap: 0; font-size: 12px; padding: 8px 4px; text-align: center; justify-content: center; }
  .nav-btn .count { margin: 0; position: absolute; transform: translate(26px, -8px); }
  main { padding: 16px 16px 96px; }
  .g2, .g-main { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .kpi:first-child { grid-column: 1 / -1; }
  .kpi { border-left: 0; border-top: 1px solid var(--line-2); }
  .kpi:first-child { border-top: 0; }
  .login { grid-template-columns: 1fr; }
  .login-side { padding: 32px 24px; gap: 24px; }
  .login-side h1 { font-size: 26px; }
  .flag { grid-template-columns: 1fr; }
  .live { margin-left: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }