/* Gemeinsame Gestaltung für Betreiber- und Mandanten-Oberfläche */
  :root {
    --bg:#f4f6fa; --card:#fff; --text:#18202f; --muted:#667085; --line:#e4e7ee; --soft:#f8f9fc;
    --accent:#2f5bea; --accent-soft:#eaf0fe; --ok:#0f7a3d; --ok-soft:#e7f6ed; --err:#b42318; --err-soft:#fdecea;
    --shadow:0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.06); --radius:12px;
  }
  @media (prefers-color-scheme: dark) { :root {
    --bg:#10141c; --card:#181e29; --text:#e7eaf1; --muted:#98a2b3; --line:#283041; --soft:#1d2431;
    --accent:#6d8ff5; --accent-soft:#1f2a45; --ok:#4ade80; --ok-soft:#163025; --err:#f87171; --err-soft:#3a1d1d;
    --shadow:none;
  } }
  * { box-sizing: border-box; }
  body { margin:0; font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif; background:var(--bg); color:var(--text); -webkit-font-smoothing:antialiased; }
  a { color:var(--accent); }

  header { position:sticky; top:0; z-index:5; display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:8px 16px;
    padding:10px 24px; background:var(--card); border-bottom:1px solid var(--line); }
  header h1 { overflow-wrap:anywhere; }
  main { max-width:960px; margin:24px auto; padding:0 16px; }
  main.wide { max-width:none; margin:24px; }
  .card { background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:20px; margin-bottom:16px; box-shadow:var(--shadow); }
  h1,h2,h3 { margin:0 0 12px; line-height:1.3; } h1 { font-size:17px; } h2 { font-size:17px; } h3 { font-size:14px; color:var(--muted); }
  label { display:block; font-size:13px; color:var(--muted); margin:8px 0 4px; }

  input[type=text],input[type=email],input[type=password],input[type=number],select,input[type=date],input[type=search] {
    padding:8px 10px; border:1px solid var(--line); border-radius:8px; background:var(--card); color:var(--text); font:inherit; }
  input[type=text],input[type=email],input[type=password],input[type=number] { width:100%; }
  input:focus, select:focus, button:focus-visible { outline:2px solid var(--accent); outline-offset:1px; }

  button { padding:7px 14px; border:1px solid var(--line); border-radius:8px; background:var(--card); color:var(--text); font:inherit; font-size:14px;
    cursor:pointer; transition:background .15s, border-color .15s; }
  button:hover:not(:disabled) { background:var(--soft); border-color:#cfd5e1; }
  button.primary { background:var(--accent); border-color:var(--accent); color:#fff; font-weight:500; }
  button.primary:hover:not(:disabled) { background:var(--accent); filter:brightness(1.08); }
  button.danger { color:var(--err); }
  button:disabled { opacity:.45; cursor:not-allowed; }

  .row { display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
  .grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:0 14px; }
  .muted { color:var(--muted); font-size:13px; } .ok { color:var(--ok); } .err { color:var(--err); }
  .center { max-width:380px; margin:12vh auto; }

  nav { display:flex; flex-wrap:wrap; gap:2px; }
  nav a { padding:6px 12px; border-radius:8px; color:var(--muted); text-decoration:none; font-size:14px; font-weight:500; }
  nav a:hover { color:var(--text); background:var(--soft); }
  nav a.active { color:var(--accent); background:var(--accent-soft); }

  .tablewrap { overflow-x:auto; }
  table { width:100%; border-collapse:collapse; font-size:13px; }
  th,td { text-align:left; padding:8px 10px; border-bottom:1px solid var(--line); vertical-align:top; }
  th { color:var(--muted); font-weight:600; white-space:nowrap; font-size:12px; text-transform:uppercase; letter-spacing:.03em; } th[data-k] { cursor:pointer; user-select:none; }
  td.trunc { max-width:260px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

  .badge { display:inline-flex; align-items:center; gap:4px; padding:2px 9px; border-radius:999px; font-size:12px; font-weight:500; background:var(--soft);
    border:1px solid var(--line); white-space:nowrap; color:var(--text); }
  .badge.ok { background:var(--ok-soft); border-color:transparent; color:var(--ok); }
  .badge.err { background:var(--err-soft); border-color:transparent; color:var(--err); }
  .badge.accent { background:var(--accent-soft); border-color:transparent; color:var(--accent); }

  /* Postfach-Liste: eine Zeile je Postfach mit Avatar, Status, Zuordnung und Aktionen */
  .acc { border-top:1px solid var(--line); padding:14px 0; display:flex; justify-content:space-between; align-items:flex-start; gap:12px; flex-wrap:wrap; }
  .acc-main { display:flex; gap:12px; min-width:0; flex:1 1 420px; }
  .acc-info { min-width:0; }
  .acc-title { display:flex; flex-wrap:wrap; align-items:center; gap:6px 8px; font-weight:600; }
  .acc .chips { display:flex; flex-wrap:wrap; gap:6px; margin-top:6px; }
  .acc-actions { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:6px; flex:0 1 330px; }
  .acc-actions button { padding:6px 11px; font-size:13px; }
  .avatar { flex:none; width:38px; height:38px; border-radius:50%; display:grid; place-items:center; font-weight:600; font-size:14px; color:#fff; }
  .avatar.sm { width:28px; height:28px; font-size:11px; }
  .dot { width:7px; height:7px; border-radius:50%; display:inline-block; background:currentColor; }

  /* Ausklappbare Bereiche (Postfach hinzufügen, Erklärungen) */
  details > summary { cursor:pointer; }
  details.add { margin-top:12px; border:1px dashed var(--line); border-radius:10px; padding:10px 14px; }
  details.add[open] { border-style:solid; }
  details.add > summary { font-weight:600; color:var(--accent); }

  /* Zuordnung: Abschnitte, Schalter, Benutzer-Kacheln */
  .panel { background:var(--soft); border:1px solid var(--line); border-radius:var(--radius); padding:18px; margin:10px 0 0; }
  .panel h3 { color:var(--text); font-size:15px; }
  .section { padding:14px 0; border-top:1px solid var(--line); }
  .section:first-of-type { border-top:0; padding-top:4px; }
  .section h4 { margin:0 0 2px; font-size:14px; }
  .section > p { margin:0 0 10px; }
  .switch { display:flex; align-items:center; gap:10px; margin:6px 0; color:var(--text); font-size:14px; cursor:pointer; }
  .switch input { appearance:none; -webkit-appearance:none; width:36px; height:20px; border-radius:999px; background:var(--line); position:relative; cursor:pointer; transition:background .15s; margin:0; flex:none; }
  .switch input::after { content:""; position:absolute; top:2px; left:2px; width:16px; height:16px; border-radius:50%; background:#fff; transition:transform .15s; box-shadow:0 1px 2px rgba(0,0,0,.2); }
  .switch input:checked { background:var(--accent); }
  .switch input:checked::after { transform:translateX(16px); }
  .userpicks { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:8px; }
  .userpick { display:flex; align-items:center; gap:10px; margin:0; padding:10px 12px; border:1px solid var(--line); border-radius:10px; background:var(--card);
    color:var(--text); cursor:pointer; transition:border-color .15s, background .15s; }
  .userpick:hover { border-color:#cfd5e1; }
  .userpick:has(input:checked) { border-color:var(--accent); background:var(--accent-soft); }
  .userpick input { margin:0; accent-color:var(--accent); }
  .userpick .who { min-width:0; line-height:1.3; font-size:14px; }
  .userpick .who span { display:block; font-size:12px; color:var(--muted); overflow:hidden; text-overflow:ellipsis; }
  .note { font-size:13px; color:var(--muted); background:var(--card); border:1px solid var(--line); border-radius:8px; padding:8px 10px; margin-top:8px; }

  /* Formulare: Abschnitte, Hinweise und Fehlermeldungen am Feld */
  form.af h4 { margin:18px 0 4px; font-size:12px; text-transform:uppercase; letter-spacing:.05em; color:var(--muted); }
  .field { margin-bottom:6px; }
  .field select, .field input[type=text], .field input[type=email], .field input[type=password], .field input[type=number] { width:100%; }
  .hint { display:block; font-size:12px; color:var(--muted); margin-top:3px; min-height:0; }
  p.hint { margin:4px 0 0; }
  .field-err { display:block; font-size:12px; color:var(--err); margin-top:2px; }
  .field-err:empty { display:none; }
  input.invalid, select.invalid { border-color:var(--err) !important; }
  label.check { display:flex; align-items:center; gap:6px; color:var(--text); margin:8px 0 0; }

  /* Schmale Fenster (Handy, schmale GHL-Ansicht): nichts ragt seitlich heraus */
  @media (max-width: 600px) {
    header { padding:10px 16px; }
    main { margin:16px auto; padding:0 12px; }
    nav a { padding:6px 8px; }
    .card { padding:14px; }
    .panel { padding:14px; }
  }

  /* "hidden" muss immer gewinnen, auch gegen display-Regeln einzelner Klassen */
  [hidden] { display:none !important; }