:root{
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  --navy:#1F3864;
  --navy-ink:#1F3864;
  --gold:#B08D57;
  --bg:#F7F8FA;
  --surface:#FFFFFF;
  --surface-2:#EEF1F6;
  --gold-soft:#F6EFE4;
  --line:#E2E6ED;
  --text:#1B1F26;
  --muted:#6B7280;
  --good:#2E7D32;
  --good-soft:#EAF6EC;
  --warn:#B26A00;
  --shadow:0 1px 2px rgba(31,56,100,.06);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --navy:#16223C;
    --navy-ink:#A9C2E8;
    --bg:#0E1420;
    --surface:#161D2B;
    --surface-2:#1D2637;
    --gold-soft:#241E15;
    --line:#2A3448;
    --text:#E7EBF2;
    --muted:#96A1B4;
    --good:#67C070;
    --good-soft:#15291A;
    --warn:#D9962F;
  }
}
:root[data-theme="dark"]{
  --navy:#16223C; --navy-ink:#A9C2E8; --bg:#0E1420; --surface:#161D2B;
  --surface-2:#1D2637; --gold-soft:#241E15; --line:#2A3448; --text:#E7EBF2;
  --muted:#96A1B4; --good:#67C070; --good-soft:#15291A; --warn:#D9962F;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px);-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:15px;line-height:1.5;
  padding-bottom:calc(74px + env(safe-area-inset-bottom,0px));
}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;margin:0;font-weight:700;letter-spacing:-.01em}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
button:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ---------- chrome ---------- */
.topbar{
  position:sticky;top:env(safe-area-inset-top,0px);z-index:20;
  background:var(--surface);border-bottom:2px solid var(--gold);
  padding:10px 16px;display:flex;align-items:center;gap:10px;
}
.brand{display:flex;align-items:center;gap:9px;min-width:0}
.brand h1{font-size:18px;color:var(--navy-ink);white-space:nowrap}
.brand small{display:block;font-size:10.5px;color:var(--gold);font-style:italic;margin-top:1px}
.daychip{
  margin-left:auto;display:flex;align-items:center;gap:8px;flex-shrink:0;
  background:var(--surface-2);border:1px solid var(--line);border-radius:999px;
  padding:5px 6px 5px 12px;font-size:12px;color:var(--muted)
}
.daychip b{color:var(--navy-ink)}
.daychip button{
  background:var(--navy);color:#fff;border-radius:999px;width:26px;height:26px;
  font-size:15px;line-height:1;display:grid;place-items:center
}
main{padding:16px 16px 8px;max-width:640px;margin:0 auto}
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;
  background:var(--surface);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom,0px)
}
.tabbar button{
  flex:1;padding:9px 2px 10px;display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:10.5px;color:var(--muted)
}
.tabbar button[aria-selected="true"]{color:var(--navy-ink);font-weight:600}
.tabbar button[aria-selected="true"] .ic{background:var(--gold-soft);border-color:var(--gold)}
.ic{
  width:30px;height:24px;display:grid;place-items:center;border-radius:7px;
  border:1px solid transparent
}
.ic svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- blocks ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow);margin-bottom:14px}
.card.flat{box-shadow:none}
.card h2{font-size:16px;color:var(--navy-ink);margin-bottom:3px}
.card p.sub{margin:0 0 12px;color:var(--muted);font-size:13px}
.hero{background:var(--navy);border:0;color:#fff;padding:18px}
.hero .lbl{font-size:12px;opacity:.75}
.hero .amt{font-family:Georgia,serif;font-size:36px;font-weight:700;line-height:1.1;margin:2px 0 8px}
.hero .biz{color:var(--gold);font-size:13px;display:flex;align-items:center;gap:6px}
.hero .split{display:flex;gap:18px;border-top:1px solid rgba(255,255,255,.15);padding-top:11px;margin-top:12px;font-size:12px;opacity:.85}
.hero .split b{display:block;font-size:15px;opacity:1;font-weight:600}
.seg{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.seg button{
  flex:1 1 auto;min-width:72px;padding:9px 6px;border-radius:9px;font-size:13px;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);text-align:center
}
.seg button[aria-pressed="true"]{border-color:var(--navy-ink);background:var(--surface-2);color:var(--navy-ink);font-weight:600}
.amounts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.amounts button{background:var(--gold);color:#fff;border-radius:10px;padding:13px 4px;font-weight:600;font-size:15px}
.amounts button.alt{background:var(--surface-2);color:var(--navy-ink);border:1px solid var(--line)}
.hint{font-size:12px;color:var(--muted);margin:10px 0 0}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0;padding-bottom:0}
.row .l{min-width:0}
.row .l b{display:block;font-weight:600;font-size:14px}
.row .l span{font-size:12px;color:var(--muted)}
.row .v{font-weight:600;color:var(--navy-ink);white-space:nowrap}
.row .v.out{color:var(--muted)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px}
.metric span{font-size:11.5px;color:var(--muted);display:block}
.metric b{font-family:Georgia,serif;font-size:20px;color:var(--navy-ink);display:block;margin-top:2px}
.btn{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  background:var(--navy);color:#fff;border-radius:10px;padding:13px;font-weight:600;font-size:15px
}
.btn.gold{background:var(--gold)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--navy-ink)}
.btn[disabled]{background:var(--line);color:var(--muted);cursor:not-allowed}
.pill{display:inline-block;font-size:11.5px;padding:3px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted)}
.pill.ok{background:var(--good-soft);color:var(--good);font-weight:600}
.pill.warn{background:var(--gold-soft);color:var(--warn);font-weight:600}
.note{display:flex;gap:10px;background:var(--gold-soft);border:1px solid var(--gold);border-radius:12px;padding:13px;font-size:12.5px;color:var(--text);line-height:1.5}
.note svg{width:17px;height:17px;flex:0 0 17px;stroke:var(--gold);fill:none;stroke-width:1.8;margin-top:1px}
input[type=range]{width:100%;accent-color:var(--navy-ink)}
.qrwrap{display:flex;gap:14px;align-items:center;background:var(--surface-2);border-radius:12px;padding:14px;flex-wrap:wrap}
.qr{width:104px;height:104px;flex:0 0 104px;background:#fff;border:2px solid var(--navy);border-radius:9px;padding:6px;display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.qr i{border-radius:1px}
.toast{
  position:fixed;left:12px;right:12px;bottom:calc(84px + env(safe-area-inset-bottom,0px));z-index:40;
  background:var(--good-soft);border:1px solid var(--good);border-radius:12px;padding:12px 14px;
  display:flex;gap:10px;font-size:13px;color:var(--text);box-shadow:0 6px 20px rgba(0,0,0,.14)
}
.toast b{display:block;color:var(--good)}
.toast small{color:var(--muted);display:block;margin-top:3px;font-size:11.5px}
@media (prefers-reduced-motion:no-preference){.toast{animation:rise .22s ease-out}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.chart{width:100%;height:170px;display:block;overflow-x:auto}
.legend{font-size:11.5px;color:var(--muted);margin-top:6px}
.member{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.member:last-child{border-bottom:0}
.av{width:32px;height:32px;border-radius:50%;background:var(--surface-2);color:var(--navy-ink);display:grid;place-items:center;font-size:12px;font-weight:700;flex:0 0 32px}
.member .nm{flex:1;min-width:0;font-size:14px}
.member .nm small{display:block;color:var(--muted);font-size:11.5px}
.bar{height:7px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin:9px 0 6px}
.bar i{display:block;height:100%;background:var(--gold)}
.item{display:flex;gap:11px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item .thumb{width:38px;height:38px;border-radius:9px;background:var(--gold-soft);display:grid;place-items:center;font-size:17px;flex:0 0 38px}
.item .nm{flex:1;min-width:0;font-size:14px}
.item .nm small{display:block;color:var(--muted);font-size:11.5px}
.qty{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.qty button{width:28px;height:28px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--navy-ink);font-size:16px;line-height:1;display:grid;place-items:center}
.qty span{min-width:14px;text-align:center;font-weight:600;font-size:14px}
.empty{color:var(--muted);font-size:13px;text-align:center;padding:14px 0}
footer{padding:4px 16px 22px;text-align:center;color:var(--muted);font-size:11.5px;max-width:640px;margin:0 auto;line-height:1.6}

/* ---------- app additions ---------- */
.modechip{margin-left:auto;display:flex;align-items:center;gap:8px;flex-shrink:0}
.modechip .pill{font-weight:600}
.modechip button{font-size:12px;color:var(--muted);padding:6px 8px;border-radius:8px;border:1px solid var(--line)}
.banner{background:var(--gold-soft);border-bottom:1px solid var(--gold);color:var(--text);font-size:12.5px;padding:8px 16px;text-align:center}
.field{display:block;margin-bottom:12px}
.field span{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.field input,.field textarea,.field select{
  width:100%;font:inherit;font-size:16px;color:var(--text);background:var(--surface);
  border:1px solid var(--line);border-radius:10px;padding:11px 12px
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text);margin:4px 0 14px}
.check input{margin-top:3px;width:18px;height:18px;accent-color:var(--navy-ink)}
.error{background:#FDECEC;border:1px solid #C62828;color:#8E1B1B;border-radius:10px;padding:10px 12px;font-size:13px;margin-bottom:12px}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .error{background:#2A1515;color:#F3A6A6}}
.linkbtn{color:var(--navy-ink);text-decoration:underline;font-size:13px;padding:4px 0}
.agreement{white-space:pre-wrap;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11.5px;line-height:1.55;background:var(--surface-2);border-radius:10px;padding:12px;overflow-x:auto;margin-top:12px}
.center{text-align:center}
.auth{max-width:420px;margin:24px auto}
.auth h2{font-size:24px;color:var(--navy-ink);margin-bottom:6px}
.spacer{height:10px}