/* Mietpult – gemeinsames Stylesheet der Werkzeuge (Nebenkosten, Mieterwechsel). Layout: Eingaben links, laufende Übersicht rechts, Dokumente als A4-Blatt darunter. */
:root{
  --bg:#f3f5f4; --surface:#ffffff; --sunk:#eef2f0; --ink:#18221f; --muted:#5d6b66; --line:#d9e0dd;
  --accent:#1f5c4a; --accent-soft:#e3eee9; --up:#9a4a12; --up-soft:#f8ebe0; --down:#1f5c4a; --down-soft:#e3eee9;
  --warn:#8a6a00; --warn-soft:#fbf3d6; --err:#a32727; --err-soft:#fbe5e5;
  --paper:#ffffff; --paper-ink:#1b1b1b;
  --font-ui:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#111816; --surface:#18211e; --sunk:#141c19; --ink:#e6ece9; --muted:#97a6a0; --line:#2b3733;
  --accent:#6cc3a4; --accent-soft:#1d3a31; --up:#f0a56c; --up-soft:#3a2819; --down:#6cc3a4; --down-soft:#1d3a31;
  --warn:#e8c55a; --warn-soft:#352c10; --err:#f08b8b; --err-soft:#3a1c1c; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#111816; --surface:#18211e; --sunk:#141c19; --ink:#e6ece9; --muted:#97a6a0; --line:#2b3733;
  --accent:#6cc3a4; --accent-soft:#1d3a31; --up:#f0a56c; --up-soft:#3a2819; --down:#6cc3a4; --down-soft:#1d3a31;
  --warn:#e8c55a; --warn-soft:#352c10; --err:#f08b8b; --err-soft:#3a1c1c; color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-ui);font-size:15px;line-height:1.5}
.wrap{max-width:1240px;margin:0 auto;padding-inline:16px;padding-block:0 64px}
header.top{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding-block:18px;border-bottom:1px solid var(--line);margin-bottom:28px}
.brand{font-weight:700;font-size:18px;letter-spacing:-.01em;display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none}
.brand i{width:18px;height:18px;border-radius:4px;background:var(--accent);display:inline-block;position:relative}
.brand i::after{content:"";position:absolute;inset:4px 7px;background:var(--surface);border-radius:1px}
nav{display:flex;gap:6px;flex-wrap:wrap}
nav a{font-size:14px;color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:6px}
nav a:hover{color:var(--ink)}
nav a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}
nav a .soon{font-size:11px;letter-spacing:.04em;text-transform:uppercase;margin-left:4px;opacity:.8}
h1{font-size:clamp(24px,3.4vw,32px);line-height:1.15;letter-spacing:-.02em;margin:0 0 8px;text-wrap:balance}
.lede{color:var(--muted);max-width:66ch;margin:0}
.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.chip{display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;background:var(--up-soft);color:var(--up);padding:3px 9px;border-radius:999px}
.grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:28px;align-items:start}
@media (max-width:940px){.grid{grid-template-columns:1fr}}
.steps{display:grid;gap:18px}
section.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:grid;gap:16px;min-width:0}
.step h2{font-size:17px;margin:0;display:flex;gap:10px;align-items:baseline}
.step h2 .n{font-family:var(--font-num);font-size:13px;color:var(--accent);font-weight:500}
.hint{font-size:13px;color:var(--muted);margin:0;max-width:72ch}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
label.f{display:grid;gap:5px;font-size:13.5px;font-weight:500;min-width:0}
label.f small{font-weight:400;color:var(--muted);font-size:12px}
input,select,textarea{font:inherit;font-size:14.5px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);width:100%;min-width:0}
input[type=number],input[type=date],.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
textarea{min-height:76px;resize:vertical}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{font:inherit;font-size:13.5px;cursor:pointer;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:7px 12px;white-space:nowrap}
button:hover{border-color:var(--muted)}
button.primary{background:var(--accent);color:var(--surface);border-color:var(--accent);font-weight:600}
button.ghost{border-color:transparent;background:transparent;color:var(--muted);padding:6px 8px}
button.ghost:hover{color:var(--err)}
button.add{border-style:dashed;color:var(--accent)}
.unit{border:1px solid var(--line);border-radius:9px;padding:14px;display:grid;gap:12px;background:var(--sunk)}
.unit-head{display:grid;grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr)) auto;gap:10px;align-items:end}
@media (max-width:620px){.unit-head{grid-template-columns:1fr 1fr}.unit-head .del{grid-column:2;justify-self:end}}
.ten{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) minmax(0,.8fr) auto;gap:8px;align-items:end}
@media (max-width:620px){.ten{grid-template-columns:1fr 1fr;padding-bottom:10px;border-bottom:1px dashed var(--line)}.ten label:first-child{grid-column:1/-1}}
.ten-list{display:grid;gap:8px}
.k{font-size:11.5px;color:var(--muted);letter-spacing:.07em;text-transform:uppercase;font-weight:600}
.lines{display:grid;gap:8px}
.line{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1.1fr) auto;gap:8px;align-items:center}
.line.two{grid-template-columns:minmax(0,2fr) minmax(0,1fr) auto}
.line.buy{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) minmax(0,1fr) auto}
@media (max-width:560px){.line,.line.two,.line.buy{grid-template-columns:1fr 1fr}.line>:first-child{grid-column:1/-1}}
.quick{display:flex;flex-wrap:wrap;gap:6px}
.quick button{font-size:12.5px;padding:5px 9px;border-radius:999px}
.calc{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;background:var(--accent-soft);border-radius:8px;padding:12px 14px}
.calc div{display:grid;gap:1px}
.calc b{font-family:var(--font-num);font-weight:500;font-variant-numeric:tabular-nums}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:0;border-radius:0;background:var(--surface)}
.seg button[aria-pressed=true]{background:var(--accent);color:var(--surface);font-weight:600}
details summary{cursor:pointer;font-size:13.5px;color:var(--accent);font-weight:500}
.hdd{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-top:10px}
@media (max-width:560px){.hdd{grid-template-columns:repeat(4,minmax(0,1fr))}}
.hdd label{font-size:12px}

/* Übersicht */
.side{position:sticky;top:calc(env(safe-area-inset-top,0px) + 16px);display:grid;gap:14px;min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;min-width:0}
.totals{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.totals div{display:grid;gap:2px}
.totals b{font-family:var(--font-num);font-weight:500;font-size:17px;font-variant-numeric:tabular-nums}
.msgs{display:grid;gap:8px}
.msg{border-radius:8px;padding:10px 12px;font-size:13.5px}
.msg.err{background:var(--err-soft);color:var(--err)}
.msg.warn{background:var(--warn-soft);color:var(--warn)}
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{font-size:11.5px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-weight:600;text-align:left;padding:0 0 8px;border-bottom:1px solid var(--line)}
th.n,td.n{text-align:right;white-space:nowrap;padding-left:10px;font-family:var(--font-num);font-variant-numeric:tabular-nums}
td{padding:9px 0;border-bottom:1px solid var(--line);vertical-align:top}
td small{display:block;color:var(--muted);font-size:12px}
tr.vac td{color:var(--muted)}
.pill{display:inline-block;font-family:var(--font-ui);font-size:11.5px;font-weight:600;padding:2px 8px;border-radius:999px;margin-top:3px}
.pill.up{background:var(--up-soft);color:var(--up)}
.pill.down{background:var(--down-soft);color:var(--down)}
.pill.zero{background:var(--sunk);color:var(--muted)}
button.link{border:0;background:none;padding:0;color:var(--accent);font-weight:600;font-size:13.5px;text-align:left;white-space:normal;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
button.link:hover{text-decoration-thickness:2px}
.check{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);padding-top:10px;flex-wrap:wrap}
.check b{font-family:var(--font-num);font-weight:500;color:var(--accent)}
.note{font-size:12.5px;color:var(--muted)}

/* Einzelabrechnung */
#statementArea{margin-top:36px}
.stmt-bar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:14px}
.stmt-bar h2{margin:0;font-size:20px;letter-spacing:-.01em}
.stmt-bar .toolbar select{width:auto}
.stmt-addr{flex-basis:100%;max-width:440px}
.stmt-addr textarea{min-height:84px}
.sheet{background:var(--paper);color:var(--paper-ink);max-width:800px;margin:0 auto;border-radius:4px;box-shadow:0 1px 2px rgba(0,0,0,.06),0 8px 28px rgba(0,0,0,.08);padding:56px 60px;font-size:13px;line-height:1.5}
@media (max-width:700px){.sheet{padding:28px 20px}}
.sheet .addr{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:36px}
@media (max-width:560px){.sheet .addr{grid-template-columns:1fr}}
.sheet .from{font-size:11.5px;white-space:pre-line;color:#555}
.sheet .to{white-space:pre-line;font-size:13.5px}
.sheet h3{font-size:17px;margin:0 0 4px;letter-spacing:-.01em}
.sheet .meta{color:#555;margin:0 0 20px}
.sheet table{font-size:12.5px;margin-bottom:18px}
.sheet th{color:#666;border-bottom-color:#cfcfcf}
.sheet td{border-bottom-color:#e6e6e6}
.sheet td small{color:#777}
.sheet .sum td{font-weight:600;border-bottom:0;padding-top:10px}
.sheet .result td{font-weight:700;font-size:14px;border-top:2px solid #1b1b1b;border-bottom:0;padding-top:10px}
.sheet .h4{font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;font-weight:700;color:#444;margin:22px 0 8px}
.sheet p{margin:0 0 10px;max-width:68ch}
.sheet .fine{font-size:11.5px;color:#666;margin-top:24px;border-top:1px solid #e0e0e0;padding-top:12px}
.empty{color:var(--muted);text-align:center;padding:40px 16px;border:1px dashed var(--line);border-radius:var(--r)}
.confirm{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13.5px;background:var(--err-soft);color:var(--err);border-radius:8px;padding:6px 10px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

@media print{
  @page{size:A4;margin:16mm 16mm}
  body{background:#fff}
  .wrap>*:not(#statementArea), .stmt-bar{display:none!important}
  #statementArea{margin:0}
  .sheet{box-shadow:none;padding:0;max-width:none;border-radius:0}
}
@media (prefers-reduced-motion:no-preference){.panel,.sheet{transition:background-color .2s}}