/* Light, single-theme layout: sticky header, KPI cards, stacked form sections */
:root{
  color-scheme:light;
  --bg:#F3F5F8; --surface:#FFFFFF; --sunk:#F8FAFC; --ink:#0F172A; --ink-2:#334155; --muted:#64748B;
  --line:#E2E8F0; --line-2:#CBD5E1;
  --accent:#1D4ED8; --accent-hover:#1E40AF; --accent-ink:#FFFFFF; --brand:#C8102E; --brand-2:#003893;
  --good:#15803D; --good-bg:#DCFCE7; --bad:#B91C1C; --bad-bg:#FEE2E2; --warn:#A16207; --warn-bg:#FEF3C7;
  --auto:#EFF5FF; --auto-ink:#1E3A8A;
  --f:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:10px; --shadow:0 1px 2px rgba(15,23,42,.05),0 1px 3px rgba(15,23,42,.06);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
h1,h2,h3{margin:0;text-wrap:balance;letter-spacing:-.01em}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.muted{color:var(--muted)}

/* header */
.top{position:sticky;top:0;z-index:9;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top)}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding-block:12px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand svg{width:26px;height:32px;flex:none}
.brand b{font-size:18px;font-weight:700;line-height:1.1}
.brand small{display:block;font-size:12px;color:var(--muted)}
.weekctl{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.weekpick{display:flex;align-items:center;border:1px solid var(--line-2);border-radius:8px;background:var(--surface);overflow:hidden}
.weekpick input{border:0;border-radius:0;height:36px;width:auto;padding:0 6px;box-shadow:none}
.weekpick input:focus{box-shadow:none}
.iconbtn{width:36px;height:36px;border:0;background:var(--sunk);color:var(--ink-2);font-size:20px;line-height:1}
.iconbtn:hover{background:var(--line)}
.btn{height:38px;padding:0 16px;border-radius:8px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);font-weight:600;font-size:14px}
.btn:hover{background:var(--sunk)}
a.btn{display:inline-flex;align-items:center;text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);box-shadow:var(--shadow)}
.btn.primary:hover{background:var(--accent-hover)}
.btn.primary:disabled{opacity:.45;cursor:not-allowed}
.btn.small{height:32px;padding:0 12px;font-size:13px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:99px;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.dirty{background:var(--warn-bg);color:var(--warn)}
.pill.saved{background:var(--good-bg);color:var(--good)}
.pill.new{background:var(--sunk);color:var(--muted);border:1px solid var(--line)}
.nav{display:flex;flex-wrap:wrap;gap:4px;padding-block:0 10px}
.nav a{font-size:13px;font-weight:500;color:var(--muted);text-decoration:none;padding:5px 10px;border-radius:6px}
.nav a:hover{color:var(--ink);background:var(--sunk)}

/* page title + KPI cards */
.pagehead{display:flex;align-items:baseline;justify-content:space-between;gap:8px 16px;flex-wrap:wrap;margin-top:24px}
.pagehead h1{font-size:24px;font-weight:700}
.pagehead .muted{font-size:13px}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:14px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow);min-width:0;border-top:3px solid var(--line-2)}
.kpi:nth-child(1){border-top-color:var(--accent)}
.kpi:nth-child(2){border-top-color:var(--brand)}
.kpi:nth-child(3){border-top-color:var(--good)}
.kpi:nth-child(4){border-top-color:#D97706}
.kpi .lbl{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.kpi .val{font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.2;margin-top:4px;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kpi.money .val{color:var(--good)}
.kpi .val.neg,.kpi.money .val.neg{color:var(--bad)}
.kpi .sub{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:2px}

.banner{margin-top:14px;padding:12px 14px;border-radius:var(--r);font-size:14px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;border:1px solid transparent}
.banner.info{background:var(--auto);color:var(--auto-ink);border-color:#C7D7FE}
.banner.warn{background:var(--warn-bg);color:var(--warn);border-color:#FDE68A}
.banner.bad{background:var(--bad-bg);color:var(--bad);border-color:#FECACA}
.banner .grow{flex:1;min-width:200px}

/* sections */
main{padding-block:4px 48px}
section.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-top:20px;padding:22px 24px;box-shadow:var(--shadow);scroll-margin-top:120px}
.sechead{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:4px}
.sechead .num{display:inline-grid;place-items:center;min-width:30px;height:24px;padding:0 6px;border-radius:6px;background:#FDECEF;color:var(--brand);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
.sechead h2{font-size:19px;font-weight:700}
.sechead .tot{margin-left:auto;font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}
.sechead .tot span{font-size:12px;color:var(--muted);font-weight:500;margin-right:8px}
.hint{color:var(--muted);font-size:14px;margin:0 0 16px;max-width:75ch}

/* tables */
.tbl{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums}
th,td{padding:7px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;background:var(--sunk)}
th.r,td.r{text-align:right}
tbody tr:hover td{background:#FBFCFE}
tr:last-child td{border-bottom:0}
tr.total td,tbody tr.total:hover td{background:var(--sunk);font-weight:700}
td.label{font-weight:500;color:var(--ink-2);white-space:nowrap}
th.auto{color:var(--auto-ink)}
output,.o{display:block;text-align:right;padding:6px 9px;border-radius:6px;background:var(--auto);color:var(--auto-ink);font-weight:600;white-space:nowrap}
tr.total output{background:transparent;color:var(--ink);font-weight:700}

input,select,textarea{font:inherit;font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--line-2);border-radius:6px;padding:6px 9px;width:100%;min-width:0}
input:hover,select:hover,textarea:hover{border-color:#94A3B8}
input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(29,78,216,.15)}
input.n{text-align:right;font-variant-numeric:tabular-nums}
textarea{min-height:68px;resize:vertical}
::placeholder{color:#A3AEBE}
.del{width:30px;height:30px;border:0;background:transparent;color:var(--muted);border-radius:6px;font-size:18px}
.del:hover{background:var(--bad-bg);color:var(--bad)}
.addrow{margin-top:10px}

.qs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.qs .full{grid-column:1/-1}
.q label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.q .row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.q small{color:var(--muted);font-weight:500}

.sub-h{font-size:15px;font-weight:700;margin:24px 0 10px}
.weekinfo{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.weekinfo .o{text-align:left}

.chip{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px;margin-left:6px;white-space:nowrap}
.chip.up{background:var(--bad-bg);color:var(--bad)}
.chip.down{background:var(--good-bg);color:var(--good)}
.chip.flat{background:var(--sunk);color:var(--muted)}
td.big{font-size:17px}
tr.money td{border-top:2px solid var(--ink)}

/* saved weeks */
.chart{margin-top:6px}
.chart svg{width:100%;height:auto;display:block}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted);margin-top:4px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px}
.empty{padding:28px;text-align:center;color:var(--muted);border:1px dashed var(--line-2);border-radius:var(--r);background:var(--sunk)}
tr.cur td{background:var(--auto)}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom));background:var(--ink);color:#fff;padding:10px 18px;border-radius:99px;font-weight:600;font-size:14px;z-index:20;box-shadow:0 8px 24px rgba(15,23,42,.25);max-width:calc(100% - 32px)}
footer{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:13px;padding-block:0 32px}
.key i{display:inline-block;width:14px;height:14px;border-radius:4px;margin-right:6px;vertical-align:-2px;border:1px solid var(--line-2)}
.key .k-in{background:var(--surface)}
.key .k-auto{background:var(--auto);border-color:#C7D7FE}
.key .k-help{border-radius:50%;font-style:normal;font-size:10px;font-weight:700;line-height:12px;text-align:center;color:var(--muted)}

/* Gas station | Restaurant tabs */
body[data-tab="store"] .tab-rest,body[data-tab="rest"] .tab-store{display:none}
.tabsrow{display:flex;align-items:center;gap:6px 16px;flex-wrap:wrap;padding-bottom:10px}
.tabsrow .nav{padding:0}
.tabs{display:inline-flex;background:var(--sunk);border:1px solid var(--line);border-radius:10px;padding:3px;gap:2px;flex:none}
.tab{border:0;background:transparent;color:var(--muted);font-weight:600;font-size:14px;padding:6px 16px;border-radius:7px}
.tab:hover{color:var(--ink)}
.tab[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.biz{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px;margin-top:12px;padding:12px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;font-size:14px;font-variant-numeric:tabular-nums}
.biz b{font-size:15px}
.biz-l{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--brand-2)}
.biz .neg{color:var(--bad)}
.ratio{margin:12px 0 0;font-size:14px;color:var(--muted)}
.ratio b{color:var(--ink)}

/* model insights */
.insights:empty{display:none}
.ins-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ins-head h2{font-size:19px;font-weight:700}
.ins-badge{margin-left:auto;font-size:12px;font-weight:600;padding:4px 10px;border-radius:99px;background:var(--auto);color:var(--auto-ink)}
.ins-badge.learning{background:var(--warn-bg);color:var(--warn)}
.ins-sum{margin:12px 0 0;padding:12px 14px 12px 30px;background:var(--sunk);border-radius:var(--r);font-size:14px;color:var(--ink-2)}
.ins-sum li+li{margin-top:4px}
.ins-cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;margin-top:16px}
.ins-col h3{font-size:14px;font-weight:700;margin:0 0 8px;display:flex;align-items:center;gap:8px}
.ins-col h3 .n{font-size:12px;min-width:22px;height:20px;padding:0 6px;border-radius:99px;display:inline-grid;place-items:center}
.ins-col.watch h3{color:var(--bad)} .ins-col.watch h3 .n{background:var(--bad-bg)}
.ins-col.good h3{color:var(--good)} .ins-col.good h3 .n{background:var(--good-bg)}
.ins-item{border:1px solid var(--line);border-left:3px solid var(--bad);border-radius:8px;padding:10px 12px;margin-bottom:8px;background:var(--surface)}
.ins-item.check{border-left-color:var(--warn)}
.ins-col.good .ins-item{border-left-color:var(--good)}
.ins-item b{display:block;font-size:14px}
.ins-item p{margin:3px 0 0;font-size:13.5px;color:var(--ink-2)}
.ins-item .basis{font-size:12px;color:var(--muted)}
.ins-item .todo{font-size:13px;color:var(--ink)}
.ins-item .where{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.ins-none{font-size:14px;color:var(--muted);padding:10px 0}
.insights details summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--accent);padding:4px 0}
.ins-foot{margin-top:10px;font-size:12px;color:var(--muted)}
@media (max-width:720px){.ins-cols{grid-template-columns:minmax(0,1fr)}.ins-badge{margin-left:0}}

/* help (?) buttons and the note they open */
.qlab{display:flex;align-items:flex-start;gap:6px;margin-bottom:6px}
.qlab label{margin-bottom:0}
.help{display:inline-grid;place-items:center;flex:none;width:20px;height:20px;padding:0;margin-left:6px;border-radius:50%;border:1px solid var(--line-2);background:var(--surface);color:var(--muted);font-size:12px;font-weight:700;line-height:1;vertical-align:middle;position:relative}
.qlab .help{margin-left:0;margin-top:1px}
.help::after{content:"";position:absolute;inset:-8px} /* bigger tap area */
.help:hover,.help[aria-expanded="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.sechead .help{margin-left:0}
.helppop{position:absolute;z-index:30;width:min(360px,calc(100vw - 32px));background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(15,23,42,.18);padding:14px 16px;font-size:14px;line-height:1.5}
.helppop.sheet{position:fixed;left:0;right:0;bottom:0;width:auto;max-height:70vh;overflow:auto;border-radius:16px 16px 0 0;padding:16px 16px calc(18px + env(safe-area-inset-bottom))}
.helppop p{margin:0;color:var(--ink-2)}
.hp-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.hp-head b{font-size:15px;line-height:1.35;padding-top:3px}
.hp-x{flex:none;width:30px;height:30px;border:0;border-radius:8px;background:var(--sunk);color:var(--muted);font-size:18px;line-height:1}
.hp-x:hover{background:var(--line)}
.helppop .hp-k{margin:12px 0 2px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--auto-ink)}

/* signed-in user, owner tools, history dialog */
.who{display:flex;align-items:center;gap:8px}
.whoname{font-size:13px;color:var(--muted);white-space:nowrap}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.histbar{display:flex;justify-content:flex-end;margin-bottom:6px}
input:disabled,select:disabled,textarea:disabled{background:var(--sunk);color:var(--ink-2);cursor:not-allowed}
dialog{border:1px solid var(--line);border-radius:14px;padding:20px;width:min(640px,calc(100% - 32px));box-shadow:0 20px 50px rgba(15,23,42,.25);color:var(--ink)}
dialog::backdrop{background:rgba(15,23,42,.35)}
.dlghead{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.dlghead h2{font-size:18px}
.dlghead .iconbtn{border-radius:8px}

/* login and users pages */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.authcard{width:min(400px,100%);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:var(--shadow)}
.authcard h1{font-size:20px;margin:22px 0 4px}
.form{display:grid;gap:14px;margin-top:18px}
.form label{display:grid;gap:6px;font-size:13px;font-weight:600;color:var(--ink-2)}
.form input,.form select{height:40px}
.form .btn{height:42px}
.err{margin:0;padding:10px 12px;border-radius:8px;background:var(--bad-bg);color:var(--bad);font-size:14px}
.ok{margin:0;padding:10px 12px;border-radius:8px;background:var(--good-bg);color:var(--good);font-size:14px}
.urow{display:flex;justify-content:space-between;align-items:center;gap:10px 16px;flex-wrap:wrap;padding:14px 0;border-bottom:1px solid var(--line)}
.urow:last-child{border-bottom:0}
.urow .pill{margin-left:6px}
.uact{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.uact input{width:200px;height:32px}
.form.row3{grid-template-columns:repeat(3,minmax(0,1fr)) auto;align-items:end}

/* tablet */
@media (max-width:960px){
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* phone: tables become stacked cards, nothing scrolls sideways */
@media (max-width:720px){
  body{font-size:14px}
  .bar{padding-block:10px}
  .weekctl{width:100%}
  .weekpick{flex:1 1 100%}
  .weekpick input{flex:1}
  #saveBtn{flex:1}
  .nav{display:none}
  .brand small,.whoname{display:none}
  .who{order:1}
  .weekctl{order:2}
  .tabs{display:flex;width:100%}
  .tab{flex:1}
  .biz{gap:4px 14px}
  .form.row3{grid-template-columns:minmax(0,1fr)}
  .uact input{width:100%}
  .pagehead{margin-top:18px}
  .pagehead h1{font-size:20px}
  .kpis{gap:10px}
  .kpi{padding:12px 14px}
  section.card{padding:16px;scroll-margin-top:160px}
  .qs,.weekinfo{grid-template-columns:minmax(0,1fr)}
  .weekinfo{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .sechead .tot{width:100%;margin-left:0}

  .tbl.cards{border:0;border-radius:0}
  .tbl.cards thead{display:none}
  .tbl.cards table,.tbl.cards tbody{display:block}
  .tbl.cards tr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px 10px;padding:12px;border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;background:var(--surface)}
  .tbl.cards tr.total{background:var(--sunk)}
  .tbl.cards td{display:block;padding:0;border:0;background:transparent!important;text-align:left}
  .tbl.cards td[data-label]::before{content:attr(data-label);display:block;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:3px}
  .tbl.cards td:first-child,.tbl.cards td.label,.tbl.cards td[colspan]{grid-column:1/-1}
  .tbl.cards td:first-child::before,.tbl.cards td[colspan]::before{display:none}
  .tbl.cards td:first-child{font-weight:600}
  .tbl.cards td.blank{display:none}
  .tbl.cards td.delcell{position:absolute;right:6px;top:6px}
  .tbl.cards tr:has(td.delcell){position:relative;padding-right:40px}

  .tbl:not(.cards) td.label{white-space:normal}
  .tbl:not(.cards) td[style*="width"]{width:45%!important}
}