/* Driver Ledger — iPhone PWA
   Palette lives on :root; dark mode is redefined tokens only, so the three
   theme states (system / forced light / forced dark) all resolve as a set. */
:root{
  --ground:#F2F4F1;
  --surface:#FFFFFF;
  --surface-2:#EAEEEA;
  --ink:#141A18;
  --ink-2:#4B5551;
  --ink-3:#7C8884;
  --line:#DBE1DC;
  --accent:#12695A;
  --accent-soft:#DDEDE8;
  --on-accent:#FFFFFF;
  --pos:#1C7A4C;
  --neg:#B4442B;
  --amber:#B87A08;
  --shadow:0 1px 2px rgba(20,26,24,.05), 0 6px 20px rgba(20,26,24,.05);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text",system-ui,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,monospace;
  --top:env(safe-area-inset-top,0px);
  --bottom:env(safe-area-inset-bottom,0px);
  color-scheme:light dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#0E1412; --surface:#171E1B; --surface-2:#1F2825;
    --ink:#E8EEE9; --ink-2:#A9B5B0; --ink-3:#77837E; --line:#2A3430;
    --accent:#4FC4A6; --accent-soft:#16342D; --on-accent:#08211C;
    --pos:#56C98C; --neg:#E8836A; --amber:#DFA93C;
    --shadow:0 1px 2px rgba(0,0,0,.5), 0 8px 26px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"]{
  --ground:#0E1412; --surface:#171E1B; --surface-2:#1F2825;
  --ink:#E8EEE9; --ink-2:#A9B5B0; --ink-3:#77837E; --line:#2A3430;
  --accent:#4FC4A6; --accent-soft:#16342D; --on-accent:#08211C;
  --pos:#56C98C; --neg:#E8836A; --amber:#DFA93C;
  --shadow:0 1px 2px rgba(0,0,0,.5), 0 8px 26px rgba(0,0,0,.4);
}

*{box-sizing:border-box}
[hidden]{display:none!important}
/* Status bar is "default" (solid), not black-translucent: on iOS 18 the translucent
   style lays the installed app out one status bar short, leaving a strip under the
   tab bar that the page can't draw into. */
html{height:100%;background:var(--ground)}
body{
  margin:0;position:fixed;inset:0;overflow:hidden;
  display:flex;flex-direction:column;
  background:var(--ground);color:var(--ink);
  font-family:var(--font);font-size:15px;line-height:1.4;
  -webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{-webkit-user-select:none;user-select:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- chrome ---------- */
.topbar{
  flex:0 0 auto;display:flex;align-items:flex-end;gap:10px;justify-content:space-between;
  padding:calc(var(--top) + 10px) 18px 10px;background:var(--ground);
}
.topbar h1{margin:0;font-size:26px;font-weight:700;letter-spacing:-.025em}
.topbar .sub{display:block;font-size:12.5px;font-weight:500;color:var(--ink-3);margin-top:1px}
.topbar .actions{display:flex;gap:8px;padding-bottom:3px}
.icon-btn{
  width:38px;height:38px;flex:0 0 auto;border-radius:13px;border:1px solid var(--line);
  background:var(--surface);display:grid;place-items:center;cursor:pointer;
}
.icon-btn.solid{background:var(--accent);color:var(--on-accent);border-color:transparent}
.icon-btn:active{transform:scale(.93)}

main{
  flex:1 1 auto;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  padding:2px 18px calc(24px + var(--bottom));display:flex;flex-direction:column;gap:14px;
}
main > *{flex:0 0 auto}
main::-webkit-scrollbar{width:0}

.tabbar{
  flex:0 0 auto;display:grid;grid-template-columns:repeat(5,1fr);gap:2px;
  /* the labels may sit partly in the home-indicator inset (34pt), as native tab bars do */
  padding:7px 8px max(7px, calc(var(--bottom) - 16px));
  background:color-mix(in srgb, var(--surface) 92%, transparent);
  -webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px);
  border-top:1px solid var(--line);
}
.tabbar button{
  background:none;border:0;cursor:pointer;padding:6px 2px 3px;border-radius:12px;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  color:var(--ink-3);font-size:10px;font-weight:600;letter-spacing:.01em;
}
.tabbar .gl{display:grid;place-items:center;height:22px}
.tabbar button[aria-selected="true"]{color:var(--accent)}
.tabbar button:active{opacity:.6}
/* Home, raised above the bar in the centre; the negative margin keeps the bar's height */
.tabbar .hub .gl{
  width:52px;height:52px;margin-top:-30px;border-radius:50%;
  background:var(--accent);color:var(--on-accent);
  border:4px solid var(--surface);box-shadow:0 4px 14px rgba(18,105,90,.35);
}
.tabbar .hub:active{opacity:1}
.tabbar .hub:active .gl{transform:scale(.93)}

/* ---------- blocks ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.card.pad{padding:16px}
.eyebrow{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

.hero{padding:18px 16px 16px;background:var(--accent);color:var(--on-accent);border-radius:20px}
.hero .amount{font-family:var(--mono);font-size:38px;font-weight:600;letter-spacing:-.035em;line-height:1.05;margin:6px 0 2px}
.hero .eyebrow{color:var(--on-accent);opacity:.75}
.hero-split{display:flex;gap:6px;margin-top:14px}
.hero-split div{flex:1;background:rgba(255,255,255,.15);border-radius:12px;padding:8px 10px;min-width:0}
:root[data-theme="dark"] .hero-split div{background:rgba(0,0,0,.16)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero-split div{background:rgba(0,0,0,.16)}}
.hero-split span{display:block;font-size:9.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;opacity:.75}
.hero-split b{font-family:var(--mono);font-size:15px;font-weight:600;letter-spacing:-.02em}

.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin:4px 2px -4px}
.section-head h2{margin:0;font-size:13px;font-weight:700;letter-spacing:-.01em}
.section-head button.link{background:none;border:0;padding:0;font-size:12.5px;font-weight:600;color:var(--accent);cursor:pointer}
.section-head .tot{font-size:12.5px;font-weight:600;color:var(--ink-2)}

.rows{display:flex;flex-direction:column}
.row{
  display:flex;align-items:center;gap:12px;padding:12px 16px;border:0;border-bottom:1px solid var(--line);
  background:none;width:100%;text-align:left;cursor:pointer;
}
.row:last-child{border-bottom:0}
.row:active{background:var(--surface-2)}
.row .glyph{width:34px;height:34px;border-radius:11px;background:var(--surface-2);color:var(--ink-2);display:grid;place-items:center;flex:0 0 auto}
.row .main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:1px}
.row .t{display:block;font-size:14.5px;font-weight:600;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .s{display:block;font-size:11.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .v{font-family:var(--mono);font-size:14.5px;font-weight:600;font-variant-numeric:tabular-nums;text-align:right;flex:0 0 auto;white-space:nowrap;letter-spacing:-.02em}
.row .v small{display:block;font-size:10.5px;font-weight:500;color:var(--ink-3)}
.v.pos{color:var(--pos)}
.v.neg{color:var(--neg)}

.quick{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.quick button{
  display:flex;align-items:center;gap:9px;padding:13px 12px;border-radius:14px;cursor:pointer;
  background:var(--surface);border:1px solid var(--line);font-size:13.5px;font-weight:600;letter-spacing:-.01em;
}
.quick button:active{background:var(--surface-2)}
.quick .g{display:grid;place-items:center;color:var(--accent)}

.empty{padding:26px 18px;text-align:center;color:var(--ink-3);font-size:13px;margin:0}
.note{font-size:11.5px;color:var(--ink-3);padding:0 2px;margin:0}

.chart{display:flex;align-items:flex-end;gap:7px;height:106px;padding:0 2px}
.chart .col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:5px;height:100%;min-width:0}
.chart .bar{width:100%;background:var(--accent);border-radius:4px 4px 2px 2px;min-height:3px;opacity:.45}
.chart .col.now .bar{opacity:1}
.chart .bar.negative{background:var(--neg)}
.chart .lbl{font-family:var(--mono);font-size:9.5px;color:var(--ink-3);letter-spacing:-.04em}
.chart .val{font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:-.04em}

.ledger{display:flex;flex-direction:column}
.ledger .li{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:11px 16px;border-bottom:1px solid var(--line)}
.ledger .li:last-child{border-bottom:0}
.ledger .li .k{font-size:13.5px}
.ledger .li .k small{display:block;font-size:11px;color:var(--ink-3)}
.ledger .li .a{font-family:var(--mono);font-size:14.5px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.ledger .li.total{background:var(--surface-2)}
.ledger .li.total .k{font-weight:700}
.ledger .li.total .a{font-size:16px}
.ledger .li.indent .k{padding-left:12px;color:var(--ink-2)}

.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.metrics div{background:var(--surface);padding:11px 10px;min-width:0}
.metrics span{display:block;font-size:9.5px;font-weight:700;letter-spacing:.055em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.metrics b{font-family:var(--mono);font-size:15px;font-weight:600;letter-spacing:-.03em}

.breakdown{display:flex;flex-direction:column;gap:9px;padding:14px 16px}
.bd{display:grid;grid-template-columns:1fr auto;gap:2px 10px}
.bd .n{font-size:12.5px;font-weight:600}
.bd .a{font-family:var(--mono);font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums}
.bd .track{grid-column:1/-1;height:6px;border-radius:3px;background:var(--surface-2);overflow:hidden}
.bd .fill{height:100%;border-radius:3px;background:var(--accent)}
.bd.out .fill{background:var(--amber)}

.pill-row{display:flex;gap:6px;flex-wrap:wrap}
.pill{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 13px;font-size:12.5px;font-weight:600;cursor:pointer}
.pill[aria-pressed="true"]{background:var(--accent);color:var(--on-accent);border-color:transparent}

select.period{
  width:100%;padding:12px 40px 12px 14px;border-radius:14px;border:1px solid var(--line);background:var(--surface);
  font-size:15px;font-weight:600;cursor:pointer;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px;background-repeat:no-repeat;
}

.setup{padding:16px;display:flex;flex-direction:column;gap:12px}
.setup h2{margin:0;font-size:17px;letter-spacing:-.02em}
.setup p{margin:0;font-size:13.5px;color:var(--ink-2)}
.setup ol{margin:0;padding-left:18px;font-size:13.5px;color:var(--ink-2);display:flex;flex-direction:column;gap:4px}

/* ---------- entry sheet ---------- */
.sheet-wrap{position:fixed;inset:0;z-index:70;display:flex;flex-direction:column;justify-content:flex-end}
.scrim{position:absolute;inset:0;background:rgba(10,16,14,.42);border:0;padding:0}
.sheet{
  position:relative;background:var(--ground);border-radius:22px 22px 0 0;
  height:92%;display:flex;flex-direction:column;animation:rise .24s cubic-bezier(.2,.8,.3,1);
}
@keyframes rise{from{transform:translateY(22px);opacity:.5}to{transform:none;opacity:1}}
.sheet header{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:14px 16px 11px;border-bottom:1px solid var(--line);flex:0 0 auto;
}
.sheet header h2{margin:0;font-size:15.5px;font-weight:700;letter-spacing:-.01em}
.txt-btn{background:none;border:0;cursor:pointer;font-size:15px;font-weight:600;color:var(--ink-3);padding:4px}
.txt-btn.primary{color:var(--accent)}
.sheet-body{flex:1 1 auto;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:14px 16px 6px;display:flex;flex-direction:column;gap:12px}
.sheet-foot{flex:0 0 auto;padding:10px 16px calc(14px + var(--bottom));display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line)}

.field label{display:block;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);margin-bottom:5px}
.field .ctrl{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:0 13px}
.field .ctrl:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field input,.field select{flex:1;min-width:0;border:0;background:none;outline:none;padding:13px 0;font-size:16px;font-weight:500;appearance:none}
.field input.num,.field select.num{font-family:var(--mono);letter-spacing:-.02em}
.field .unit{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--ink-3)}
.field .hint{font-size:11.5px;color:var(--ink-3);margin:5px 0 0}
.field.bad .ctrl{border-color:var(--neg)}
.field .err{font-size:11.5px;color:var(--neg);margin:5px 0 0;font-weight:600}
.derived{
  background:var(--accent-soft);color:var(--accent);border-radius:13px;padding:11px 13px;
  font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:-.01em;line-height:1.45;white-space:pre-line;
}
.btn{border:0;border-radius:14px;padding:14px;font-size:15.5px;font-weight:600;cursor:pointer;background:var(--accent);color:var(--on-accent)}
.btn:active{opacity:.85}
.btn.ghost{background:var(--surface);border:1px solid var(--line);color:var(--neg)}
.btn.quiet{background:var(--surface);border:1px solid var(--line);color:var(--ink)}

.toast{
  position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + var(--bottom));z-index:90;
  background:var(--ink);color:var(--ground);padding:10px 16px;border-radius:999px;
  font-size:13px;font-weight:600;box-shadow:var(--shadow);animation:rise .2s ease-out;
}