:root { --fg: #1d2330; --muted: #5b6475; --bg: #f6f7f9; --card: #fff; --line: #d5d9e0; --accent: #1f5fae;
        --ok: #e5f4ea; --okline: #2e7d4a; --err: #fbe9e9; --errline: #b3261e; --info: #e8f0fb; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, sans-serif; color: var(--fg); background: var(--bg); }
header { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; padding: .6rem 1rem; background: var(--card);
         border-bottom: 1px solid var(--line); }
.brand { font-weight: 600; }
nav { display: flex; gap: .8rem; flex-wrap: wrap; }
nav a { color: var(--accent); text-decoration: none; padding: .2rem .1rem; }
nav a[aria-current] { border-bottom: 2px solid var(--accent); }
.logout { margin-left: auto; }
.who { color: var(--muted); font-size: .9rem; }
main { max-width: 52rem; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.15rem; margin-top: 2rem; }
form { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 1rem; }
header form { background: none; border: 0; padding: 0; }
form.narrow { max-width: 22rem; }
label { display: block; margin: .6rem 0; }
label input:not([type=checkbox]):not([type=radio]), label select, label textarea { display: block; width: 100%;
  margin-top: .2rem; padding: .4rem; font: inherit; border: 1px solid var(--line); border-radius: 4px; background: #fff; }
label.check { display: flex; gap: .5rem; align-items: baseline; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; } .row label { flex: 1 1 12rem; }
fieldset { border: 1px solid var(--line); border-radius: 6px; margin: 1rem 0; }
.rules-form { background: none; border: 0; padding: 0; }
.rule { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: .8rem 1rem; margin: 0 0 1rem; }
.rule.off { opacity: .65; }
.rule-head, .part, .line, .form-foot { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.rule-head { border-bottom: 1px solid var(--line); padding-bottom: .6rem; margin-bottom: .4rem; }
.rule-no { font-weight: 600; white-space: nowrap; }
.rule label, .rule-head label { margin: 0; }
.rule label input:not([type=checkbox]), .rule label select { margin-top: 0; }
.grow { flex: 1 1 12rem; }
.tools { display: flex; gap: .3rem; margin-left: auto; }
.line { margin: .6rem 0 .3rem; }
.line select { width: auto; display: inline-block; }
.parts { list-style: none; margin: 0 0 .4rem; padding: 0 0 0 1.2rem; }
.part { margin: .3rem 0; }
.part > label:not(.grow) select { min-width: 10rem; }
.form-foot { justify-content: space-between; margin-top: .5rem; }
button.icon { background: #fff; color: var(--fg); border-color: var(--line); padding: .3rem .6rem; }
button.icon:disabled { opacity: .4; cursor: default; }
button.danger-text { color: var(--errline); }
[hidden] { display: none !important; }
button { font: inherit; padding: .45rem 1rem; border-radius: 4px; border: 1px solid var(--accent); background: var(--accent);
         color: #fff; cursor: pointer; }
button.secondary { background: #fff; color: var(--accent); }
button.danger { background: var(--errline); border-color: var(--errline); }
button.link { background: none; border: 0; color: var(--accent); padding: 0; text-decoration: underline; }
.hint { color: var(--muted); font-size: .9rem; margin: .2rem 0 .6rem; }
.msg { padding: .6rem .8rem; border-radius: 4px; border-left: 4px solid var(--accent); background: var(--info); }
.msg.ok { background: var(--ok); border-color: var(--okline); }
.msg.fehler { background: var(--err); border-color: var(--errline); }
.msg ul { margin: 0; padding-left: 1.2rem; }
.mono, pre { font-family: ui-monospace, monospace; font-size: .9rem; }
pre { background: var(--card); border: 1px solid var(--line); padding: .8rem; overflow-x: auto; white-space: pre-wrap; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }