/* Layout: eine Spalte wie ein Kassabuch, Tabs unten, Formulare als Vollbild-Blätter.
   Auffälligstes Element: die Kleinunternehmer-Skala auf der Startseite. */
:root{
  --paper:#F2F4F0; --card:#FFFFFF; --field:#FAFBF9; --ink:#16201B; --mute:#5B6861; --rule:#D6DDD5;
  --accent:#1B6B4D; --accent-ink:#FFFFFF; --accent-soft:#E0EEE6;
  --out:#A53A2B; --out-ink:#FFFFFF; --out-soft:#F6E2DE; --warn:#8F5B00; --warn-soft:#F7EACB;
  --shadow:0 1px 0 rgba(22,32,27,.04),0 8px 24px rgba(22,32,27,.08);
  --f-ui:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --f-num:ui-monospace,'SF Mono',SFMono-Regular,Menlo,Consolas,'Liberation Mono',monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#111613; --card:#192019; --field:#141A16; --ink:#E6ECE7; --mute:#93A29A; --rule:#2B352F;
    --accent:#5CC59A; --accent-ink:#0B1A13; --accent-soft:#1C3328;
    --out:#F08A78; --out-ink:#2A0F0A; --out-soft:#3A201B; --warn:#E5B35A; --warn-soft:#38290F;
    --shadow:0 8px 24px rgba(0,0,0,.4);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#111613; --card:#192019; --field:#141A16; --ink:#E6ECE7; --mute:#93A29A; --rule:#2B352F;
  --accent:#5CC59A; --accent-ink:#0B1A13; --accent-soft:#1C3328;
  --out:#F08A78; --out-ink:#2A0F0A; --out-soft:#3A201B; --warn:#E5B35A; --warn-soft:#38290F;
  --shadow:0 8px 24px rgba(0,0,0,.4);
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
img{max-width:100%}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.45 var(--f-ui);padding-inline:16px;padding-block:0 96px;-webkit-text-size-adjust:100%}
body.lock{overflow:hidden}
.wrap{max-width:760px;margin:0 auto}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mono,.amt,.nr{font-family:var(--f-num);font-variant-numeric:tabular-nums}
h2{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin:0 0 8px;font-weight:600}
p{margin:0}

/* Kopf */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:14px 10px;position:sticky;top:env(safe-area-inset-top,0px);background:var(--paper);z-index:5}
.brand{min-width:0}
.mark{display:block;font-weight:700;font-size:20px;letter-spacing:-.02em}
.biz{display:block;color:var(--mute);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-r{display:flex;gap:8px;align-items:center}
.top select{border:1px solid var(--rule);background:var(--card);border-radius:8px;padding:7px 8px;font-family:var(--f-num)}
.icon{width:38px;height:38px;border-radius:8px;border:1px solid var(--rule);background:var(--card);display:grid;place-items:center}
svg.i{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* Bausteine */
.stack{display:flex;flex-direction:column;gap:16px}
.card{background:var(--card);border:1px solid var(--rule);border-radius:12px;padding:16px;min-width:0}
.card.flat{background:transparent;border-style:dashed}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--rule);background:var(--card);border-radius:10px;padding:10px 14px;font-weight:600;min-height:44px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.danger{color:var(--out);border-color:var(--out)}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:default}
.btn small{font-weight:400;color:var(--mute);display:block}
.btn.primary small{color:inherit;opacity:.85}
.btns{display:flex;gap:10px;flex-wrap:wrap}
.btns>.btn{flex:1 1 150px}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px}
.chip{border:1px solid var(--rule);background:var(--card);border-radius:999px;padding:6px 12px;white-space:nowrap;font-size:14px}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.pill{display:inline-block;font-size:12px;font-weight:600;border-radius:999px;padding:2px 9px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}
.pill.open{background:var(--warn-soft);color:var(--warn)}
.pill.late,.pill.void{background:var(--out-soft);color:var(--out)}
.pill.void{text-decoration:line-through}
.muted{color:var(--mute)}
.small{font-size:13px}
.empty{padding:28px 8px;text-align:center;color:var(--mute)}
.empty b{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}

/* Zeilen */
.list{display:flex;flex-direction:column}
.row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 12px;text-align:left;width:100%;background:none;border:0;border-bottom:1px solid var(--rule);padding:12px 0;align-items:center}
.row:last-child{border-bottom:0}
.row .t{font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .s{color:var(--mute);font-size:13px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .amt{text-align:right;font-weight:500}
.row .amt.out{color:var(--out)}
.row .p{text-align:right}
.mh{display:flex;justify-content:space-between;gap:8px;padding:14px 0 4px;color:var(--mute);font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}

/* Kennzahlen im Kassabuch-Stil */
.ledger{display:flex;flex-direction:column;gap:6px}
.ledger .l{display:flex;align-items:baseline;gap:8px}
.ledger .l span:first-child{white-space:nowrap}
.ledger .l i{flex:1;border-bottom:1px dotted var(--mute);transform:translateY(-3px);min-width:12px}
.ledger .l b{font-family:var(--f-num);font-weight:500;font-variant-numeric:tabular-nums}
.ledger .l.sum{border-top:1px solid var(--ink);padding-top:6px;margin-top:2px;font-weight:700}
.ledger .l.sum b{font-weight:600}
.pos{color:var(--accent)} .neg{color:var(--out)}

/* Skala */
.gauge{margin:14px 0 4px}
.g-track{position:relative;height:16px;border-radius:4px;background:var(--rule);overflow:visible}
.g-fill{height:100%;border-radius:4px 0 0 4px;background:var(--accent)}
.g-fill.warn{background:#C79A1B}
.g-fill.warn2{background:#D0731F}
.g-fill.bad{background:var(--out)}
.g-tick{position:absolute;top:-5px;bottom:-5px;width:2px;background:var(--ink)}
.g-scale{position:relative;height:18px;margin-top:8px;font:12px var(--f-num);color:var(--mute)}
.g-scale span{position:absolute;top:0;white-space:nowrap}
.big{font-family:var(--f-num);font-size:28px;letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums}
.note{border-radius:10px;padding:10px 12px;font-size:14px;background:var(--warn-soft);color:var(--warn)}
.note.bad{background:var(--out-soft);color:var(--out)}
.note.good{background:var(--accent-soft);color:var(--accent)}
.steps{display:flex;flex-direction:column;gap:10px;margin:10px 0 14px;padding:0;list-style:none}
.steps li{display:flex;gap:10px;align-items:center}
.dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--rule);flex:none;display:grid;place-items:center}
.dot.done{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.dot svg{width:12px;height:12px;stroke:currentColor;stroke-width:3;fill:none}

/* Navigation */
#nav{position:fixed;left:0;right:0;bottom:0;background:var(--card);border-top:1px solid var(--rule);padding-bottom:env(safe-area-inset-bottom,0px);z-index:6}
#nav div{max-width:760px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
#nav button{background:none;border:0;padding:9px 4px 8px;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:12px;color:var(--mute)}
#nav button[aria-current="page"]{color:var(--accent);font-weight:700}

/* Blätter */
#sheet{position:fixed;inset:0;background:var(--paper);z-index:20;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top,0px)}
#sheet[hidden]{display:none}
.sh-bar{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--rule);background:var(--card)}
.sh-bar h3{margin:0;font-size:17px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sh-body{flex:1;overflow-y:auto;padding:16px;-webkit-overflow-scrolling:touch}
.sh-in{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.sh-foot{border-top:1px solid var(--rule);background:var(--card);padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px))}
.sh-foot .sh-in{flex-direction:row;gap:10px}
.sh-foot .btn{flex:1}

/* Formulare */
.f{display:flex;flex-direction:column;gap:5px;min-width:0}
.f>span{font-size:13px;color:var(--mute);font-weight:500}
.f input,.f select,.f textarea{width:100%;border:1px solid var(--rule);background:var(--field);border-radius:8px;padding:10px 11px;min-height:44px}
.f textarea{min-height:76px;resize:vertical}
.f input[type=checkbox]{width:20px;height:20px;min-height:0}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.check{display:flex;gap:10px;align-items:center}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.seg label{border:1px solid var(--rule);border-radius:10px;padding:10px 12px;background:var(--field);display:flex;gap:8px;align-items:flex-start}
.seg label:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.seg b{display:block}
.seg input{width:auto!important;min-height:0!important;margin-top:3px;flex:none}
.item{border:1px solid var(--rule);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:10px;background:var(--card)}
.item-h{display:flex;justify-content:space-between;align-items:center}
.sumbox{display:flex;flex-direction:column;gap:4px}
.thumbs{display:flex;gap:10px;flex-wrap:wrap}
.thumb{position:relative;width:88px;height:88px;border-radius:8px;border:1px solid var(--rule);overflow:hidden;background:var(--field);display:grid;place-items:center;font-size:12px;color:var(--mute);text-align:center}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb button{position:absolute;top:2px;right:2px;width:26px;height:26px;border-radius:50%;border:0;background:rgba(0,0,0,.65);color:#fff;line-height:1}
.drop{border:2px dashed var(--rule);border-radius:12px;padding:16px;text-align:center;display:block;cursor:pointer}
.drop input{display:none}

/* Rechnung als Blatt */
.paper{background:#fff;color:#16201B;border:1px solid var(--rule);border-radius:4px;padding:20px 18px;box-shadow:var(--shadow);font-size:13px}
.paper .ph{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.paper .pn{text-align:right}
.paper .pn b{display:block;font-size:20px}
.paper .to{margin:18px 0 12px;white-space:pre-line}
.paper dl{display:grid;grid-template-columns:auto 1fr;gap:2px 14px;margin:0 0 14px}
.paper dt{color:#5B6861}
.paper dd{margin:0}
.paper .sc{overflow-x:auto}
.paper table{border-collapse:collapse;width:100%}
.paper td.r,.paper th.r{white-space:nowrap}
.paper th{text-align:left;border-bottom:1.5px solid #16201B;padding:5px 6px;font-size:12px}
.paper td{padding:6px;border-bottom:1px solid #DCE2DB;vertical-align:top}
.paper .r{text-align:right}
.paper .tot{margin:10px 0 0 auto;max-width:260px}
.paper .tot div{display:flex;justify-content:space-between;gap:12px;padding:2px 6px}
.paper .tot .g{border-top:1.5px solid #16201B;font-weight:700;margin-top:4px;padding-top:5px}
.paper .pf{margin-top:14px;color:#3B4740;white-space:pre-line}

/* Meldungen */
#toast{position:fixed;left:16px;right:16px;bottom:calc(76px + env(safe-area-inset-bottom,0px));display:flex;justify-content:center;z-index:40;pointer-events:none}
#toast div{background:var(--ink);color:var(--paper);padding:10px 14px;border-radius:10px;max-width:520px;box-shadow:var(--shadow)}
#toast div.err{background:var(--out);color:var(--out-ink)}
.modal{position:fixed;inset:0;background:rgba(10,16,13,.55);z-index:50;display:grid;place-items:center;padding:16px}
.modal .box{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:18px;max-width:420px;width:100%;display:flex;flex-direction:column;gap:14px}
.modal h4{margin:0;font-size:17px}
.modal .acts{display:flex;gap:10px}
.modal .acts .btn{flex:1}
.help h4{margin:18px 0 4px;font-size:15px}
.help p,.help li{color:var(--ink);margin-bottom:6px}
.help ul{padding-left:20px;margin:4px 0}
@media (prefers-reduced-motion:no-preference){.g-fill{transition:width .5s ease}}
@media (max-width:420px){.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}.big{font-size:24px}}