/* Layout: a quiet back-office — left rail of sections on desktop, scrolling tab strip on phones; content in a single column of panels. Palette borrows painteeme's sea: powder-blue ink, peach highlight, grey-green "good". */
:root{
  --bg:#F2F5F6; --panel:#FFFFFF; --sunk:#E8EEF0; --line:#D5DFE3;
  --ink:#1F3440; --muted:#5E727C; --faint:#8A9BA3;
  --accent:#3E7FA6; --accent-ink:#FFFFFF; --accent-soft:#DCEBF4;
  --peach:#F2B8A2; --peach-soft:#FBE7DE;
  --good:#4F8A6A; --good-soft:#DDEFE4; --warn:#B7791F; --warn-soft:#F8EBD3; --bad:#C2503F; --bad-soft:#F8E0DB;
  --lav:#9C8CC4;
  --f-display:"Zen Maru Gothic","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --f-body:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  --f-num:"DM Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#121B20; --panel:#18242B; --sunk:#1F2E36; --line:#2B3D46;
  --ink:#E3ECEF; --muted:#9DB0B8; --faint:#71858E;
  --accent:#7DB6D8; --accent-ink:#0E1A20; --accent-soft:#1E3442;
  --peach:#E7A38C; --peach-soft:#3A2A25;
  --good:#7CC39C; --good-soft:#1D3328; --warn:#E3B061; --warn-soft:#3A2F1A; --bad:#EC8676; --bad-soft:#3E231F;
  --lav:#B6A8DD; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#121B20; --panel:#18242B; --sunk:#1F2E36; --line:#2B3D46;
  --ink:#E3ECEF; --muted:#9DB0B8; --faint:#71858E;
  --accent:#7DB6D8; --accent-ink:#0E1A20; --accent-soft:#1E3442;
  --peach:#E7A38C; --peach-soft:#3A2A25;
  --good:#7CC39C; --good-soft:#1D3328; --warn:#E3B061; --warn-soft:#3A2F1A; --bad:#EC8676; --bad-soft:#3E231F;
  --lav:#B6A8DD; color-scheme:dark}
*{box-sizing:border-box}
html,body{background:var(--bg);margin:0}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
img{max-width:100%}
[hidden]{display:none!important}
body{color:var(--ink);font-family:var(--f-body);font-size:14px;line-height:1.6}
.num{font-family:var(--f-num);font-variant-numeric:tabular-nums}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.app{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}
.rail{position:sticky;top:env(safe-area-inset-top,0px);align-self:start;height:100vh;padding:24px 16px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:20px}
.brand{font-family:var(--f-display);font-weight:700;font-size:20px;line-height:1.2}
.brand small{display:block;font-family:var(--f-body);font-weight:400;font-size:12px;color:var(--muted);margin-top:4px}
.nav{display:flex;flex-direction:column;gap:2px}
.nav button{all:unset;cursor:pointer;padding:8px 12px;border-radius:8px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;gap:8px;white-space:nowrap}
.nav button:hover{background:var(--sunk);color:var(--ink)}
.nav button[aria-current="true"]{background:var(--accent-soft);color:var(--ink);font-weight:500}
.nav .badge{font-family:var(--f-num);font-size:11px;background:var(--peach);color:#3A2018;border-radius:99px;padding:0 7px}
.rail-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--faint)}
main{padding-block:24px 64px;padding-inline:32px;min-width:0;display:flex;flex-direction:column;gap:20px;max-width:1180px}
.head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px}
h1{font-family:var(--f-display);font-weight:700;font-size:26px;margin:0;text-wrap:balance}
h2{font-family:var(--f-display);font-weight:700;font-size:17px;margin:0}
h3{font-size:14px;font-weight:700;margin:0}
.sub{color:var(--muted);margin:2px 0 0;max-width:62ch}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px;min-width:0;display:flex;flex-direction:column;gap:14px}
.panel-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:2px;min-width:0}
.kpi .l{font-size:12px;color:var(--muted);letter-spacing:.04em}
.kpi .v{font-family:var(--f-num);font-size:22px;font-weight:500;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kpi .d{font-size:12px;color:var(--faint)}
.pos{color:var(--good)} .neg{color:var(--bad)}
.btn{cursor:pointer;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:7px 14px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:500}
.btn.primary:hover{filter:brightness(1.07)}
.btn.ghost{border-color:transparent;background:transparent;color:var(--muted);padding:5px 8px}
.btn.ghost:hover{color:var(--ink);background:var(--sunk)}
.btn.danger{color:var(--bad)}
.btn.small{padding:4px 10px;font-size:13px}
.tbl-wrap{overflow-x:auto;margin-inline:-4px}
table{border-collapse:collapse;width:100%;font-size:13px}
th{text-align:left;font-weight:500;color:var(--muted);font-size:12px;letter-spacing:.03em;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:none}
td.r,th.r{text-align:right}
td.num,td.r{font-family:var(--f-num);font-variant-numeric:tabular-nums;white-space:nowrap}
tr.total td{font-weight:700;border-top:1.5px solid var(--ink)}
.pill{display:inline-block;font-size:12px;padding:1px 9px;border-radius:99px;background:var(--sunk);color:var(--muted);white-space:nowrap}
.pill.good{background:var(--good-soft);color:var(--good)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.bad{background:var(--bad-soft);color:var(--bad)}
.pill.acc{background:var(--accent-soft);color:var(--accent)}
.pill.peach{background:var(--peach-soft);color:var(--ink)}
.muted{color:var(--muted)} .faint{color:var(--faint)} .small{font-size:12px}
.empty{border:1.5px dashed var(--line);border-radius:var(--r);padding:28px;text-align:center;color:var(--muted);display:flex;flex-direction:column;gap:10px;align-items:center}
.banner{border-radius:var(--r);padding:12px 16px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;background:var(--peach-soft);border:1px solid var(--peach)}
.banner.info{background:var(--accent-soft);border-color:var(--accent)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{all:unset;cursor:pointer;padding:5px 12px;font-size:13px;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:12px;color:var(--muted)}
.field .hint{font-size:11.5px;color:var(--faint);line-height:1.45}
input[type=text],input[type=number],input[type=date],input[type=month],select,textarea{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:7px 10px;min-width:0}
input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px}
.form-grid .full{grid-column:1/-1}
.fs{border:none;padding:0;margin:0;display:contents}
.fs-title{grid-column:1/-1;font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.06em;margin-top:6px;padding-top:10px;border-top:1px solid var(--line)}
.modal-bg{position:fixed;inset:0;background:rgba(15,28,35,.45);display:flex;align-items:flex-start;justify-content:center;padding:max(24px,env(safe-area-inset-top,0px)) 16px 24px;overflow-y:auto;z-index:20}
.modal{background:var(--panel);border-radius:14px;border:1px solid var(--line);width:min(680px,100%);padding:22px;display:flex;flex-direction:column;gap:16px;box-shadow:0 20px 50px rgba(0,0,0,.18)}
.modal-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;align-items:center}
.preview{background:var(--sunk);border-radius:var(--r);padding:12px 14px;display:flex;flex-direction:column;gap:6px;font-size:13px}
.preview .line{display:flex;justify-content:space-between;gap:12px}
.preview .line b{font-family:var(--f-num);font-weight:500}
.items{display:flex;flex-direction:column;gap:8px}
.item-row{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,1fr) minmax(0,1.3fr) auto;gap:8px;align-items:center}
.stack{display:flex;flex-direction:column;gap:8px}
.bars{display:flex;flex-direction:column;gap:10px}
.bar{display:grid;grid-template-columns:90px minmax(0,1fr) auto;gap:10px;align-items:center;font-size:13px}
.bar .track{height:10px;background:var(--sunk);border-radius:99px;overflow:hidden}
.bar .fill{height:100%;border-radius:99px;background:var(--accent)}
.alert{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}
.alert:last-child{border-bottom:none}
.dot{width:8px;height:8px;border-radius:50%;margin-top:7px;flex:none}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:12px;background:var(--sunk);border-radius:6px;padding:2px 8px;color:var(--muted)}
.chip b{font-family:var(--f-num);font-weight:500;color:var(--ink)}
.prod{border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
.prod-h{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;align-items:flex-start}
.prod-h .t{font-weight:700;font-size:15px}
.costbar{display:flex;height:10px;border-radius:99px;overflow:hidden;background:var(--sunk)}
.legend{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12px;color:var(--muted)}
.legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px;vertical-align:-1px}
.explain{background:var(--sunk);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.explain b{color:var(--ink)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:8px 16px;border-radius:99px;font-size:13px;z-index:40}
svg text{fill:var(--muted);font-family:var(--f-num);font-size:11px}
@media (max-width:980px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.grid3{grid-template-columns:1fr}}
@media (max-width:820px){
  .app{grid-template-columns:1fr}
  .rail{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;height:auto;flex-direction:row;align-items:center;padding:10px 16px;border-right:none;border-bottom:1px solid var(--line);background:var(--bg);gap:12px;overflow-x:auto}
  .brand{font-size:16px;white-space:nowrap}.brand small,.rail-foot{display:none}
  .nav{flex-direction:row}
  main{padding-inline:16px;padding-block:18px 56px}
  .grid2{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .item-row{grid-template-columns:minmax(0,1fr) 70px 90px auto}
  h1{font-size:22px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}