:root{
  --bg:#ecefea; --panel:#fff; --ink:#16212b; --muted:#5d6b76; --line:#d3d9d2; --soft:#f4f6f2;
  --primary:#0f4c5c; --primary-ink:#fff; --notfall:#b3261e; --hoch:#c77700; --normal:#4d7c8a; --niedrig:#9aa7ad;
  --ok:#2e7d5b; --warn-bg:#fff4d6; --err-bg:#fde7e4;
  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#10171c; --panel:#18222a; --ink:#e7ecef; --muted:#93a1ab; --line:#2a3842; --soft:#1d2a33;
        --primary:#5fb3c6; --primary-ink:#0b1a20; --warn-bg:#3a2f12; --err-bg:#3d1c19; --normal:#7fb0bd}
}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.5 var(--font);font-variant-numeric:tabular-nums}
a{color:var(--primary);text-underline-offset:2px}
h1{font-size:1.5rem;line-height:1.2;margin:0;letter-spacing:-.01em;font-weight:650}
h2{font-size:1.05rem;margin:0 0 .6rem;font-weight:650}
h3{font-size:.95rem;margin:0 0 .4rem;font-weight:650}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:4px}

.topbar{display:flex;align-items:center;gap:1.5rem;padding:.7rem 1.5rem;background:var(--ink);color:var(--bg)}
.topbar .brand{font-weight:700;letter-spacing:-.01em;color:inherit;text-decoration:none}
.topbar nav{display:flex;gap:1rem;flex:1}
.topbar nav a{color:inherit;text-decoration:none;opacity:.75;padding:.2rem 0;border-bottom:2px solid transparent}
.topbar nav a[aria-current=page]{opacity:1;border-color:var(--bg)}
.topbar form{margin:0}
.topbar button{background:none;border:1px solid #fff4;color:inherit;border-radius:6px;padding:.25rem .7rem;cursor:pointer;font:inherit}
.testband{background:var(--warn-bg);color:var(--ink);padding:.45rem 1.5rem;font-size:.9rem;border-bottom:1px solid var(--line)}

main{padding:1.25rem 1.5rem 3rem;max-width:1600px;margin:0 auto}
.head{display:flex;align-items:flex-end;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.head .sub{color:var(--muted);margin-top:.2rem}
.head .grow{flex:1}

.btn,button.btn{display:inline-block;background:var(--primary);color:var(--primary-ink);border:1px solid var(--primary);
  border-radius:7px;padding:.45rem .9rem;font:600 .92rem var(--font);cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--primary)}
.btn.danger{background:transparent;color:var(--notfall);border-color:var(--notfall)}
.btn.small{padding:.25rem .6rem;font-size:.85rem}

input,select,textarea{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);
  border-radius:7px;padding:.45rem .6rem;width:100%}
textarea{min-height:6rem;resize:vertical}
label{display:block;font-weight:600;font-size:.88rem;margin:.7rem 0 .2rem}
label.inline{display:flex;gap:.5rem;align-items:center;font-weight:400;margin:.2rem 0}
label.inline input{width:auto}
.filters{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin-bottom:1rem}
.filters input,.filters select{width:auto;min-width:9rem}
.filters input[type=checkbox]{min-width:0}

.board{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(250px,1fr);gap:.8rem;overflow-x:auto;padding-bottom:1rem;align-items:start}
.col{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:.6rem;min-height:8rem}
.col h2{display:flex;justify-content:space-between;font-size:.95rem;margin:.1rem .2rem .6rem}
.col h2 span{color:var(--muted);font-weight:500}
.zettel{display:block;background:var(--panel);border:1px solid var(--line);border-left:6px solid var(--normal);
  border-radius:8px;padding:.6rem .7rem;margin-bottom:.55rem;text-decoration:none;color:inherit}
.zettel:hover{border-color:var(--primary);border-left-color:inherit}
.zettel.p-Notfall{border-left-color:var(--notfall)} .zettel.p-Hoch{border-left-color:var(--hoch)}
.zettel.p-Normal{border-left-color:var(--normal)} .zettel.p-Niedrig{border-left-color:var(--niedrig)}
.zettel .nr{font-size:.78rem;color:var(--muted)}
.zettel .titel{font-weight:600;line-height:1.3;margin:.1rem 0 .3rem}
.zettel .meta{font-size:.84rem;color:var(--muted)}
.chips{display:flex;gap:.3rem;flex-wrap:wrap;margin-top:.4rem}
.chip{font-size:.78rem;border:1px solid var(--line);border-radius:999px;padding:.05rem .5rem;background:var(--soft);color:var(--ink)}
.chip.rot{background:var(--err-bg);border-color:var(--notfall)} .chip.gelb{background:var(--warn-bg);border-color:var(--hoch)}
.chip.gruen{border-color:var(--ok)}
.leer{color:var(--muted);font-size:.88rem;padding:.4rem .3rem}

.grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:1rem}
@media (max-width:960px){.grid{grid-template-columns:1fr}.topbar{flex-wrap:wrap}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1rem 1.1rem;margin-bottom:1rem}
.steps{display:flex;gap:.25rem;flex-wrap:wrap;margin:.4rem 0 0}
.steps span{font-size:.8rem;padding:.15rem .55rem;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.steps span.done{color:var(--ink);background:var(--soft)}
.steps span.now{background:var(--primary);color:var(--primary-ink);border-color:var(--primary);font-weight:600}
.next{background:var(--warn-bg);border:1px solid var(--line);border-radius:8px;padding:.5rem .8rem;margin:.8rem 0}
table{border-collapse:collapse;width:100%}
th,td{text-align:left;padding:.45rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.85rem;color:var(--muted);font-weight:600}
td.num,th.num{text-align:right}
.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:flex-end}
.row>*{flex:1;min-width:9rem}
.row>.fix{flex:0 0 auto;min-width:0}
.log{list-style:none;margin:0;padding:0}
.log li{padding:.4rem 0;border-bottom:1px solid var(--line);font-size:.9rem}
.log time{color:var(--muted);font-size:.8rem;display:block}
.hinweis{background:var(--warn-bg);border:1px solid var(--hoch);padding:.5rem .8rem;border-radius:8px;margin-bottom:1rem}
.fehler{background:var(--err-bg);border:1px solid var(--notfall);padding:.5rem .8rem;border-radius:8px;margin:.6rem 0}
.mailtext{white-space:pre-wrap;background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:.6rem .8rem;font-size:.9rem}
.muted{color:var(--muted)}
.login{max-width:22rem;margin:12vh auto;padding:0 1rem}
.login .card{padding:1.4rem}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
@media (max-width:600px){.cols2{grid-template-columns:1fr}}
@media (prefers-reduced-motion:no-preference){.zettel{transition:border-color .12s}}