:root{--bg:#f6f7f9;--fg:#1c2430;--mut:#5b6677;--card:#fff;--line:#d9dee6;--acc:#1f6f5c;--acc2:#e8f3f0;--red:#b3261e;--red2:#fdeceb;--org:#8a5a00;--org2:#fff4de}
@media (prefers-color-scheme:dark){:root{--bg:#12161c;--fg:#e8ecf1;--mut:#9aa6b6;--card:#1a2029;--line:#2b3441;--acc:#4fbf9f;--acc2:#16312b;--red:#ff8a80;--red2:#3a1b19;--org:#ffc266;--org2:#3a2d12}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
.top{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;align-items:center;padding:.6rem 1rem;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--acc);text-decoration:none}
nav{display:flex;flex-wrap:wrap;gap:.25rem 1rem;flex:1}
nav a,a{color:var(--acc)}
.logout{display:flex;gap:.75rem;align-items:center;margin:0}
.who{color:var(--mut);font-size:.9rem}
main{max-width:1100px;margin:0 auto;padding:1rem 16px 3rem}
h1{font-size:1.6rem;margin:.5rem 0 1rem}h2{font-size:1.25rem;margin:1.5rem 0 .5rem}h3{font-size:1.05rem;margin:1.25rem 0 .4rem}h4{font-size:.9rem;margin:.2rem 0;color:var(--mut)}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1rem;margin:0 0 1rem}
label{display:block;font-weight:600;margin:.75rem 0 .25rem}
input,select,textarea{width:100%;padding:.55rem .65rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}
textarea{min-height:5.5rem;resize:vertical}
button,.btn{display:inline-block;padding:.55rem 1rem;border:0;border-radius:8px;background:var(--acc);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
button.sec,.btn.sec{background:transparent;color:var(--acc);border:1px solid var(--acc)}
button.link{background:none;color:var(--acc);padding:0;font-weight:400;text-decoration:underline}
.row{display:flex;flex-wrap:wrap;gap:.75rem}.row>*{flex:1 1 220px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:700px){.two{grid-template-columns:1fr}}
table.tbl{width:100%;border-collapse:collapse;background:var(--card)}
.tbl th,.tbl td{border:1px solid var(--line);padding:.4rem .55rem;text-align:left;vertical-align:top;font-size:.95rem}
.tbl th{background:var(--acc2)}
.tblwrap{overflow-x:auto}
.matrix td.ja{background:var(--red2);font-weight:600}.matrix td.weitere{background:var(--org2)}
.badge{display:inline-block;padding:.1rem .55rem;border-radius:999px;font-size:.82rem;font-weight:600;margin:.1rem .25rem .1rem 0}
.badge.overdue{background:var(--red2);color:var(--red)}.badge.soon{background:var(--org2);color:var(--org)}.badge.ok{background:var(--acc2);color:var(--acc)}
.flash{padding:.6rem .9rem;border-radius:8px;margin:.5rem 0}.flash.ok{background:var(--acc2)}.flash.err{background:var(--red2);color:var(--red)}
.errors{background:var(--red2);color:var(--red);border-radius:8px;padding:.6rem 1rem}.errors ul,.warns ul{margin:.25rem 0;padding-left:1.2rem}
.warns{background:var(--org2);color:var(--org);border-radius:8px;padding:.6rem 1rem;margin-top:.5rem}
.stamp{padding:.6rem .9rem;border-radius:8px;border:1px solid var(--line)}.stamp.ok{background:var(--acc2)}.stamp.bad{background:var(--red2);color:var(--red)}
.note{color:var(--mut)}.text{white-space:normal}
.login{max-width:420px;margin:12vh auto}
@media (max-width:700px){.tbl.cards thead{display:none}}
@media print{.top,.noprint,button,.btn{display:none!important}body{background:#fff;color:#000;font-size:11pt}.card{border:0;padding:0}main{max-width:none;padding:0}h2,h3{break-after:avoid}table,.two>div{break-inside:avoid}.badge{border:1px solid #000;background:none;color:#000}}
.qr{max-width:260px;margin:.5rem 0}.qr svg{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:8px}
.secret{font-size:1.05rem;letter-spacing:.05em;word-break:break-all}
.codes{columns:2;list-style:none;padding:0;font-size:1.1rem}.codes li{padding:.15rem 0}
[hidden]{display:none!important}
.post{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:.75rem 1rem;margin:0 0 .75rem}
.post.reply{margin-left:1.5rem;background:var(--bg)}
.post.new{border-left:4px solid var(--acc)}
.post.gone{color:var(--mut);font-style:italic}
.post-actions{display:flex;flex-wrap:wrap;gap:.25rem 1rem;align-items:flex-start}
.post-actions details{flex:1 1 100%}
details summary{cursor:pointer;color:var(--acc)}
form.inline{display:inline;margin:0}
.check{display:flex;gap:.5rem;align-items:center;font-weight:400}.check input{width:auto}
fieldset{border:1px solid var(--line);border-radius:8px;margin:.75rem 0;padding:.5rem .75rem}