/* Layout: app shell like a Handwerker-ERP — left nav, top bar, work area; copper accent from the Kupfernotierung world. */
:root {
  --bg: #eef0ee; --panel: #ffffff; --panel2: #f7f8f6; --ink: #1d2328; --muted: #5d676f; --line: #d9ddd8;
  --nav: #22292e; --nav-ink: #c9d0d4; --nav-active: #b45f2b;
  --copper: #b45f2b; --copper-soft: #f6e6db;
  --ok: #2f7a4a; --ok-soft: #e1f0e6; --warn: #9a6a00; --warn-soft: #fbefcf; --bad: #b3261e; --bad-soft: #f9e0de;
  --paper: #ffffff; --paper-ink: #1d2328;
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  --f-mono: "JetBrains Mono", Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111518; --panel: #1b2125; --panel2: #20272c; --ink: #e8ebe9; --muted: #9aa4ab; --line: #2f383e;
    --nav: #0b0e10; --nav-ink: #aab3b9; --nav-active: #e08a52; --copper: #e08a52; --copper-soft: #3a2619;
    --ok: #6cc28c; --ok-soft: #173023; --warn: #e2b44a; --warn-soft: #352a10; --bad: #f08b84; --bad-soft: #3b1a18;
    --paper: #f4f4f2; --paper-ink: #1d2328; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111518; --panel: #1b2125; --panel2: #20272c; --ink: #e8ebe9; --muted: #9aa4ab; --line: #2f383e;
  --nav: #0b0e10; --nav-ink: #aab3b9; --nav-active: #e08a52; --copper: #e08a52; --copper-soft: #3a2619;
  --ok: #6cc28c; --ok-soft: #173023; --warn: #e2b44a; --warn-soft: #352a10; --bad: #f08b84; --bad-soft: #3b1a18;
  --paper: #f4f4f2; --paper-ink: #1d2328; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 var(--f-body); }
button, input, select, textarea { font: inherit; color: inherit; }
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100%; }
nav.side { background: var(--nav); color: var(--nav-ink); padding: 16px 0 24px; padding-left: env(safe-area-inset-left, 0px); display: flex; flex-direction: column; gap: 2px; }
.brand { font: 800 18px/1.1 var(--f-display); color: #fff; padding: 4px 18px 16px; }
.brand small { display: block; font: 500 10px/1.4 var(--f-mono); color: var(--nav-active); letter-spacing: .08em; text-transform: uppercase; margin-top: 4px; }
.navgrp { font: 500 10px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: #7d878e; padding: 14px 18px 6px; }
nav.side button { background: none; border: 0; text-align: left; padding: 8px 18px; color: var(--nav-ink); cursor: pointer; border-left: 3px solid transparent; display: flex; justify-content: space-between; gap: 8px; }
nav.side button:hover { background: rgba(255,255,255,.05); color: #fff; }
nav.side button.active { border-left-color: var(--nav-active); color: #fff; background: rgba(255,255,255,.07); font-weight: 600; }
nav.side .cnt { font: 500 11px/1.6 var(--f-mono); background: rgba(255,255,255,.1); border-radius: 9px; padding: 0 7px; }
main { min-width: 0; display: flex; flex-direction: column; }
.top { background: var(--panel); border-bottom: 1px solid var(--line); padding-block: 10px; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); display: flex; gap: 12px; align-items: center; flex-wrap: wrap; position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; }
.top input[type=search] { flex: 1 1 220px; min-width: 0; padding: 8px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel2); }
.who { font-size: 13px; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; }
.who b { color: var(--ink); }
.demo { font: 500 11px/1 var(--f-mono); background: var(--warn-soft); color: var(--warn); padding: 6px 9px; border-radius: 4px; letter-spacing: .04em; }
.view { padding-block: 22px 60px; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); display: grid; gap: 18px; align-content: start; }
h1 { font: 800 24px/1.15 var(--f-display); margin: 0; text-wrap: balance; }
h2 { font: 600 16px/1.2 var(--f-display); margin: 0 0 10px; }
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.head p { margin: 4px 0 0; color: var(--muted); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 16px 18px; min-width: 0; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.tile .lbl { font: 500 11px/1.3 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.tile .val { font: 800 24px/1.2 var(--f-display); font-variant-numeric: tabular-nums; margin-top: 6px; }
.tile .hint { color: var(--muted); font-size: 13px; }
.tile.alert { border-left: 4px solid var(--bad); }
.tile.money { border-left: 4px solid var(--copper); }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; }
.tbl { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 11px/1.2 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); white-space: nowrap; background: var(--panel2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tbody tr.click { cursor: pointer; }
tbody tr.click:hover { background: var(--panel2); }
.mono { font-family: var(--f-mono); font-size: 13px; }
.pill { display: inline-block; font: 500 11px/1 var(--f-mono); padding: 5px 8px; border-radius: 999px; white-space: nowrap; }
.p-ok { background: var(--ok-soft); color: var(--ok); }
.p-warn { background: var(--warn-soft); color: var(--warn); }
.p-bad { background: var(--bad-soft); color: var(--bad); }
.p-cu { background: var(--copper-soft); color: var(--copper); }
.muted { color: var(--muted); }
.p-grey { background: var(--panel2); color: var(--muted); border: 1px solid var(--line); }
.btn { border: 1px solid var(--line); background: var(--panel); padding: 8px 14px; border-radius: 6px; cursor: pointer; font-weight: 600; }
.btn:hover { border-color: var(--copper); }
.btn.primary { background: var(--copper); border-color: var(--copper); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btns { display: flex; gap: 8px; flex-wrap: wrap; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }
.form { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
label.f { display: grid; gap: 4px; font-size: 12px; color: var(--muted); font-weight: 600; }
label.f input, label.f select, td input, td textarea { padding: 7px 9px; border: 1px solid var(--line); border-radius: 5px; background: var(--panel); font-size: 14px; color: var(--ink); width: 100%; min-width: 0; }
td input.n { text-align: right; font-variant-numeric: tabular-nums; }
td textarea { resize: vertical; min-height: 36px; }
input:disabled, select:disabled, textarea:disabled { background: var(--panel2); color: var(--muted); }
.editor { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 18px; align-items: start; }
.sum { position: sticky; top: 70px; display: grid; gap: 8px; }
.sum .row { display: flex; justify-content: space-between; gap: 10px; font-variant-numeric: tabular-nums; }
.sum .row.big { font: 800 20px/1.2 var(--f-display); border-top: 2px solid var(--ink); padding-top: 8px; margin-top: 4px; }
.sum .row.sub { color: var(--muted); font-size: 13px; }
.sum .row.neg span:last-child { color: var(--bad); }
.note { font-size: 13px; color: var(--muted); }
.lock { background: var(--ok-soft); color: var(--ok); border-radius: 6px; padding: 10px 14px; font-weight: 600; }
.timeline { display: grid; gap: 0; }
.tl { display: grid; grid-template-columns: 130px 1fr auto; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); align-items: center; }
.tl:last-child { border-bottom: 0; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 12px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.overlay { position: fixed; inset: 0; background: rgba(10,14,16,.55); z-index: 20; display: grid; place-items: start center; overflow-y: auto; padding: max(24px, env(safe-area-inset-top, 0px)) 12px 40px; }
.dialog { background: var(--panel); border-radius: 8px; padding: 20px; width: min(520px, 100%); display: grid; gap: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.typegrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; }
.typegrid button { text-align: left; border: 1px solid var(--line); background: var(--panel2); border-radius: 6px; padding: 10px; cursor: pointer; }
.typegrid button:hover { border-color: var(--copper); }
.typegrid b { display: block; font-family: var(--f-display); }
.typegrid span { font-size: 12px; color: var(--muted); }
.paper { background: var(--paper); color: var(--paper-ink); width: min(794px, 100%); padding: clamp(18px, 5vw, 56px); border-radius: 2px; box-shadow: 0 20px 60px rgba(0,0,0,.35); font-size: 13px; display: grid; gap: 14px; }
.paper .ph { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.paper .logo { font: 800 22px/1 var(--f-display); color: #b45f2b; }
.paper h3 { font: 800 18px/1.2 var(--f-display); margin: 6px 0 0; }
.paper table th { background: #f1f2f0; color: #4b555c; }
.paper table td, .paper table th { border-color: #dcdfdb; }
.paper .foot { border-top: 1px solid #dcdfdb; padding-top: 10px; font-size: 11px; color: #5d676f; text-align: center; }
.paper .tot { margin-left: auto; width: min(320px, 100%); display: grid; gap: 4px; }
.paper .tot div { display: flex; justify-content: space-between; font-variant-numeric: tabular-nums; }
.paper .tot .b { font-weight: 700; border-top: 1px solid #1d2328; padding-top: 4px; }
.toast { position: fixed; bottom: max(20px, env(safe-area-inset-bottom, 0px)); right: max(20px, env(safe-area-inset-right, 0px)); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 6px; z-index: 30; font-weight: 600; }
.menu-btn { display: none; }
tr.r-T1 td { background: var(--copper-soft); font-weight: 700; }
tr.r-T2 td { background: var(--panel2); font-weight: 600; }
tr.r-X td { color: var(--muted); }
tr.sel td { box-shadow: inset 0 0 0 9999px rgba(180,95,43,.10); }
tr.drop-before td { border-top: 3px solid var(--copper); }
.drag { cursor: grab; color: var(--muted); user-select: none; font-size: 16px; line-height: 1; padding: 6px 2px; }
.artk { font: 500 10px/1 var(--f-mono); padding: 4px 6px; border-radius: 4px; background: var(--panel2); border: 1px solid var(--line); color: var(--muted); }
.toolbar { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 10px; }
.toolbar .sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px; }
.toolbar select { padding: 4px 8px; border: 1px solid var(--line); border-radius: 5px; background: var(--panel); font-size: 13px; }
.ver { display: grid; grid-template-columns: 70px 1fr auto; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.ver:last-child { border-bottom: 0; }
.paper tr.r-T1 td { background: #f1f2f0; font-weight: 700; }
.paper tr.r-T2 td { font-weight: 600; }
.paper tr.r-sum td { font-weight: 600; border-top: 1px solid #1d2328; }
.dialog.wide { width: min(860px, 100%); }
.phone { width: min(380px, 100%); border: 10px solid #1d2328; border-radius: 30px; background: var(--panel); padding: 16px 14px; display: grid; gap: 12px; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.phone label.f textarea { padding: 7px 9px; border: 1px solid var(--line); border-radius: 5px; background: var(--panel); font-size: 14px; width: 100%; }
#sig { width: 100%; height: 140px; border: 1px dashed var(--line); border-radius: 6px; background: #fff; touch-action: none; display: block; margin: 4px 0 6px; }
pre.xml { max-height: 50vh; overflow: auto; background: var(--panel2); border: 1px solid var(--line); border-radius: 6px; padding: 10px; font: 11.5px/1.45 var(--f-mono); white-space: pre; margin: 0; }
nav.side button.locked { opacity: .4; }
.chk { display: flex; gap: 8px; align-items: center; font-size: 14px; }
.split { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 24px; align-items: start; }
.top select { padding: 3px 6px; border: 1px solid var(--line); border-radius: 5px; background: var(--panel2); font-weight: 600; }
.paper .ph > div:last-child:not(:first-child) { margin-left: auto; }
.paper h4 { font: 700 13px/1.2 var(--f-display); margin: 4px 0 0; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .app { grid-template-columns: 1fr; }
  nav.side { position: fixed; inset: 0 auto 0 0; width: 240px; z-index: 15; transform: translateX(-100%); transition: transform .2s; overflow-y: auto; padding-top: max(16px, env(safe-area-inset-top, 0px)); }
  nav.side.open { transform: none; }
  .menu-btn { display: inline-block; }
  .editor { grid-template-columns: 1fr; }
  .sum { position: static; }
  .tl { grid-template-columns: 1fr auto; }
  .tl .d { grid-column: 1 / -1; color: var(--muted); font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---------- Ergänzungen für die echte Anwendung ---------- */
.login { min-height: 100%; display: grid; place-items: center; padding: 16px; }
.login .card { width: min(420px, 100%); }
.login h1 { margin-bottom: 4px; }
.login form { display: grid; gap: 12px; margin-top: 14px; }
.err { background: var(--bad-soft); color: var(--bad); padding: 8px 10px; border-radius: 6px; margin: 8px 0; }
.ok-box { background: var(--ok-soft); color: var(--ok); padding: 8px 10px; border-radius: 6px; margin: 8px 0; }
.who button { background: none; border: 1px solid var(--line); border-radius: 6px; padding: 3px 8px; cursor: pointer; }
.saved { font: 12px var(--f-mono); color: var(--muted); }
.saved.dirty { color: var(--warn); }
.loading { padding: 40px; text-align: center; color: var(--muted); }
.pick td { cursor: pointer; }
.pick tr:hover td { background: var(--panel2); }
.st-list { font-size: 12px; color: var(--muted); margin-top: 4px; }
label.f textarea { min-height: 70px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
.drop { border: 2px dashed var(--line); border-radius: 8px; padding: 18px; text-align: center; }
.sig-wrap canvas { width: 100%; height: 160px; background: #fff; border: 1px solid var(--line); border-radius: 6px; touch-action: none; }
.mat-row { display: grid; grid-template-columns: 70px 1fr auto; gap: 6px; align-items: center; margin-bottom: 6px; }
.mat-row input { padding: 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
.monteur-only .app { grid-template-columns: 1fr; }
.monteur-only nav.side, .monteur-only .menu-btn { display: none; }
@media print { nav.side, .top { display: none; } }
.g23 { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); }
@media (max-width: 860px) { .g23 { grid-template-columns: minmax(0, 1fr); } .kv { grid-template-columns: 1fr; } .kv dd { margin-bottom: 6px; } }
a.btn { text-decoration: none; color: inherit; display: inline-flex; align-items: center; }
#b-sum { align-self: start; }