:root{
  --ink:#141922;
  --ink-2:#4d5766;
  --line:#c9d0da;
  --line-soft:#e4e9ef;
  --paper:#ffffff;
  --shell:#eef1f5;
  --royal:#0b4da2;
  --royal-dark:#083a7a;
  --alert:#b3261e;
  --ok:#1a7f4b;
  --warn:#8a5a00;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--shell);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.45;
  -webkit-font-smoothing:antialiased;
}
[hidden]{display:none !important}
.shell{max-width:860px;margin:0 auto;padding:0 0 60px}
.shell.wide{max-width:1100px}

header.top{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  padding:22px 24px 18px;
  display:flex;
  align-items:baseline;
  gap:16px;
  flex-wrap:wrap;
}
.mark{font-size:15px;letter-spacing:.22em;color:var(--royal);font-weight:600}
header.top h1{margin:0;font-size:26px;font-weight:600;letter-spacing:-.01em}
.vertrags-nr{margin-left:auto;font-size:14px;color:var(--ink-2)}
.vertrags-nr b{font-weight:600;color:var(--ink)}

.block{background:var(--paper);border-bottom:1px solid var(--line-soft);padding:24px}
.block > h2{margin:0 0 4px;font-size:15px;font-weight:600;color:var(--royal)}
.block > p.hint,.hint{margin:0 0 18px;font-size:14px;color:var(--ink-2)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.grid .wide{grid-column:1 / -1}
@media(max-width:620px){.grid{grid-template-columns:1fr}}

label{display:block}
label > span{display:block;font-size:13px;color:var(--ink-2);margin-bottom:5px}
input[type=text],input[type=email],input[type=tel],input[type=date],input[type=time],
input[type=datetime-local],input[type=number],input[type=password],select,textarea{
  width:100%;
  font:inherit;
  font-size:17px;
  color:var(--ink);
  background:#fbfcfd;
  border:1px solid var(--line);
  border-radius:6px;
  padding:12px 12px;
  min-height:50px;
  appearance:none;
}
textarea{min-height:92px;resize:vertical;line-height:1.4}
input:focus,select:focus,textarea:focus{outline:2px solid var(--royal);outline-offset:1px;border-color:var(--royal);background:#fff}
input.missing,select.missing,.missing{border-color:var(--alert) !important;background:#fdf4f3}
.check{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.check input{width:24px;height:24px;flex:none;margin-top:2px}
.check.missing{padding:8px;border:1px solid var(--alert);border-radius:6px}

.zusatz{border-left:3px solid var(--royal);padding-left:14px;margin-top:6px}

/* Unterschrift */
.sig-wrap{margin-top:18px}
.sig-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px}
.sig-head strong{font-size:15px;font-weight:600}
.sig-head .stamp{font-size:13px;color:var(--ok)}
.sig-head .stamp.leer{color:var(--ink-2)}
.pad{position:relative;background:#fbfcfd;border:1px solid var(--line);border-radius:8px;touch-action:none;overflow:hidden}
.pad.signed{border-color:var(--royal)}
.pad.missing{border-color:var(--alert)}
.pad canvas{display:block;width:100%;height:180px}
.pad .baseline{position:absolute;left:28px;right:28px;bottom:44px;border-bottom:1px solid var(--line);pointer-events:none}
.pad .ghost{position:absolute;left:28px;bottom:18px;font-size:14px;color:var(--ink-2);pointer-events:none}
.pad.signed .ghost,.pad.signed .baseline{display:none}
.pad-tools{display:flex;gap:10px;margin-top:8px}

button,.btn{
  font:inherit;font-size:16px;border-radius:7px;border:1px solid var(--line);
  background:#fff;color:var(--ink);padding:10px 18px;min-height:46px;cursor:pointer;
  text-decoration:none;display:inline-flex;align-items:center;justify-content:center;
}
button:hover{background:#f3f6fa}
button.primary{background:var(--royal);border-color:var(--royal);color:#fff}
button.primary:hover{background:var(--royal-dark)}
button.danger{color:var(--alert);border-color:#e6b9b5}
button.small{min-height:36px;padding:6px 12px;font-size:14px}
button:disabled{opacity:.55;cursor:default}
button:focus-visible{outline:2px solid var(--royal);outline-offset:2px}

.status{font-size:14px;color:var(--ink-2)}
.status.warn,.err{color:var(--alert)}
.err{font-size:14px;min-height:1.2em;margin:8px 0}
.ok-box{background:#eef8f2;border:1px solid #b9dfc9;border-radius:8px;padding:14px 16px;color:#14563a}
.warn-box{background:#fff8e8;border:1px solid #ecd49a;border-radius:8px;padding:14px 16px;color:var(--warn)}

/* Kunde */
.summary{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;font-size:15px}
.summary dt{color:var(--ink-2)}
.summary dd{margin:0;font-weight:600}
.foto-pick{display:block}
.foto-pick .thumb{display:none;width:100%;max-height:220px;object-fit:contain;margin-top:8px;border:1px solid var(--line);border-radius:6px;background:#fbfcfd}
.foto-pick .thumb.on{display:block}
.agb-box{max-height:260px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:14px;font-size:14px;line-height:1.5;background:#fbfcfd}
.agb-box h3{font-size:14px;margin:14px 0 4px}
.agb-box p{margin:0 0 8px}
.agb-box .d-kopf{text-align:center;margin-bottom:8px}
.agb-box .d-mark{letter-spacing:.2em;color:var(--royal);font-weight:600;font-size:13px}
.agb-box h2{font-size:15px;margin:4px 0}
.agb-box .sub{font-size:12px;color:var(--ink-2)}

/* Admin */
nav.tabs{background:var(--paper);border-bottom:1px solid var(--line);padding:0 16px;display:flex;gap:4px;flex-wrap:wrap;align-items:center}
nav.tabs button{border:none;border-radius:0;border-bottom:3px solid transparent;background:none;min-height:50px;padding:0 14px;color:var(--ink-2)}
nav.tabs button.on{color:var(--royal);border-bottom-color:var(--royal);font-weight:600}
nav.tabs .sp{flex:1}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:end}
.toolbar > *{flex:1 1 180px}
.toolbar > button{flex:none}
#liste,#zLog,#bErg{overflow-x:auto}
table.liste{width:100%;border-collapse:collapse;font-size:15px}
table.liste th{text-align:left;font-size:12px;color:var(--ink-2);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line)}
table.liste td{padding:12px 10px;border-bottom:1px solid var(--line-soft);vertical-align:top}
table.liste tr.klick{cursor:pointer}
table.liste tr.klick:hover{background:#f6f9fc}
.badge{display:inline-block;font-size:12px;font-weight:600;border-radius:99px;padding:2px 10px}
.badge.offen{background:#fff1cf;color:#7a5200}
.badge.unterschrieben{background:#dcf3e6;color:#14563a}
.badge.storniert{background:#e9edf2;color:#4d5766}
.sub{font-size:13px;color:var(--ink-2)}
.karte{border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin-bottom:12px;background:#fff}
.karte h3{margin:0 0 6px;font-size:16px}
.kv{display:grid;grid-template-columns:170px 1fr;gap:4px 14px;font-size:15px;margin:0}
.kv dt{color:var(--ink-2)}
.kv dd{margin:0;word-break:break-word}
@media(max-width:620px){.kv{grid-template-columns:1fr}.kv dt{margin-top:8px}}
.ausweise{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.ausweise img{width:100%;border:1px solid var(--line);border-radius:6px}
.sigbild{background:#fbfcfd;border:1px solid var(--line);border-radius:6px;max-height:90px;max-width:100%}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.linkbox{font-family:ui-monospace,Menlo,monospace;font-size:13px;background:#f3f6fa;border:1px solid var(--line);border-radius:6px;padding:10px;word-break:break-all}
dialog{border:none;border-radius:12px;padding:0;width:min(760px,96vw);max-height:92vh;box-shadow:0 20px 60px rgba(0,0,0,.3)}
dialog::backdrop{background:rgba(20,25,34,.5)}
.dlg-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff}
.dlg-head h2{margin:0;font-size:18px}
.dlg-body{padding:16px 20px 24px}
.login{max-width:420px;margin:60px auto;border:1px solid var(--line);border-radius:12px}
.login label{margin-bottom:14px}