:root { --c: #5b7f73; --c2: #e8f0ec; --bg: #faf9f6; --t: #222; --r: 10px; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--t); background: var(--bg); }
header { background: var(--c); color: #fff; padding: .8rem 1rem; display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; }
header a { color: #fff; text-decoration: none; }
.brand { font-weight: 600; font-size: 1.15rem; margin-right: auto; }
nav { display: flex; flex-wrap: wrap; gap: .3rem 1rem; align-items: center; }
main { max-width: 760px; margin: 0 auto; padding: 1rem; }
footer { text-align: center; padding: 2rem 1rem; font-size: .85rem; }
footer a { color: #666; margin: 0 .5rem; }
h1 { font-size: 1.5rem; margin: .5rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.small { font-size: .85rem; color: #555; }
.card { background: #fff; border-radius: var(--r); padding: 1rem; margin: 1rem 0; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
label { display: block; margin-bottom: .8rem; font-weight: 500; }
label.inline { display: inline-flex; gap: .4rem; align-items: center; font-weight: normal; margin-right: 1rem; }
label.consent { display: flex; align-items: flex-start; font-size: .9rem; }
label.consent input { margin-top: .3rem; }
input:not([type=checkbox]):not([type=radio]), select { display: block; width: 100%; padding: .6rem; margin-top: .25rem; font-size: 1rem; border: 1px solid #ccc; border-radius: 6px; background: #fff; }
td select { width: auto; margin: 0; padding: .3rem; }
fieldset { border: 0; padding: 0; margin: 0 0 .8rem; }
legend { font-weight: 500; margin-bottom: .3rem; }
.row { display: flex; gap: 1rem; }
.row label { flex: 1; }
button { background: var(--c); color: #fff; border: 0; border-radius: 6px; padding: .7rem 1.2rem; font-size: 1rem; cursor: pointer; }
button.secondary { background: #fff; color: var(--c); border: 1px solid var(--c); }
button.danger { background: #b4443c; }
button.small { padding: .3rem .6rem; font-size: .85rem; }
button.link { background: none; padding: 0; color: #fff; text-decoration: underline; font-size: 1rem; }
form.inline { display: inline; }
.hp { position: absolute; left: -9999px; }
.flash { padding: .7rem 1rem; border-radius: 6px; margin-bottom: 1rem; background: var(--c2); }
.flash.error { background: #f7dedb; }
.flash.ok { background: #dcefe3; }
.flash a { word-break: break-all; }
.session { display: block; background: #fff; border-radius: var(--r); padding: .9rem 1rem; margin-bottom: .7rem; box-shadow: 0 1px 3px rgba(0,0,0,.08); border-left: 5px solid #ddd; color: inherit; text-decoration: none; }
.session.mine { border-left-color: var(--c); background: var(--c2); }
.session.off { opacity: .55; }
.session .when { font-weight: 600; }
.session .state { font-size: .9rem; color: #555; margin: .2rem 0 .6rem; }
.link-card .state { margin-bottom: 0; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--r); overflow: hidden; font-size: .92rem; }
th, td { text-align: left; padding: .5rem; border-bottom: 1px solid #eee; vertical-align: top; }
tr.cancelled, tr.session_cancelled { color: #999; }
tr.late_cancelled td:nth-child(2), tr.fehler { color: #b4443c; }
td.actions { white-space: nowrap; }
details { margin-top: 2rem; }
@media (max-width: 600px) { table { display: block; overflow-x: auto; } .row { flex-direction: column; gap: 0; } }