:root {
    --orange:#FF5A2E; --orange-dark:#E94B22; --orange-light:#FFF3EF;
    --heading:#101828; --text:#475467; --muted:#667085; --line:#E7EAF0;
    --bg:#E9EDF3; --subtle:#F7F8FB; --card:#fff;
    --error:#b3261e; --error-bg:#fbeaea;
    --shadow:0 1px 2px rgba(16,24,40,.06), 0 4px 16px rgba(16,24,40,.06);
}
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--text); font-family:Inter,system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif; font-size:15px; line-height:1.5; -webkit-text-size-adjust:100%; }
a { color:var(--orange-dark); font-weight:600; text-decoration:none; }
a:hover { color:var(--orange); text-decoration:underline; }
:focus-visible { outline:2px solid var(--orange); outline-offset:2px; }
h1 { color:var(--heading); font-size:28px; font-weight:700; letter-spacing:-.02em; line-height:1.2; margin:0 0 18px; }
h2 { color:var(--heading); font-size:17px; font-weight:650; letter-spacing:-.01em; margin:0 0 14px; }
strong { color:var(--heading); }

.topbar { background:var(--card); border-top:3px solid var(--orange); box-shadow:0 1px 3px rgba(16,24,40,.08); }
.topbar__inner { max-width:1100px; margin:0 auto; padding:14px 24px; display:flex; flex-wrap:wrap; gap:8px 20px; align-items:center; justify-content:space-between; }
.brand { display:flex; flex-wrap:wrap; align-items:baseline; gap:2px 10px; color:var(--heading); font-weight:700; font-size:16px; letter-spacing:-.01em; }
.brand::before { content:""; align-self:center; width:10px; height:10px; border-radius:3px; background:var(--orange); }
.brand__tenant { color:var(--muted); font-weight:500; font-size:14px; }
.topbar__nav { display:flex; flex-wrap:wrap; gap:6px 18px; align-items:center; font-size:14px; }
.topbar__nav a { color:var(--text); font-weight:500; }
.topbar__nav a:hover { color:var(--orange-dark); }
.topbar__nav form { margin:0; }
.linkbutton { background:none; border:0; padding:0; color:var(--text); font:inherit; font-weight:500; cursor:pointer; }
.linkbutton:hover { color:var(--orange-dark); text-decoration:underline; }

.page { max-width:1100px; margin:0 auto; padding:32px 24px 56px; }
.card { background:var(--card); border-radius:14px; padding:22px; margin-bottom:22px; box-shadow:var(--shadow); }
.card--narrow { max-width:420px; margin:56px auto; padding:30px; }

.stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); gap:14px; margin-bottom:14px; }
.stat { background:var(--card); border-radius:14px; padding:18px 20px; box-shadow:var(--shadow); }
.stat__label { display:block; color:var(--muted); font-size:13px; font-weight:500; margin-bottom:2px; }
.stat__value { display:block; color:var(--heading); font-size:26px; font-weight:700; letter-spacing:-.02em; font-variant-numeric:tabular-nums; }
.stat--primary { background:var(--heading); border-bottom:4px solid var(--orange); }
.stat--primary .stat__label { color:#D0D5DD; }
.stat--primary .stat__value { color:#fff; }
.summary { margin:0 0 22px; font-size:14px; }
.stats--two { grid-template-columns:repeat(2,minmax(0,1fr)); }
.stats--three { grid-template-columns:repeat(3,minmax(0,1fr)); }

table { width:100%; border-collapse:separate; border-spacing:0; }
th, td { text-align:left; padding:12px; border-bottom:1px solid var(--line); overflow-wrap:anywhere; }
thead th { background:var(--subtle); color:var(--muted); font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:.04em; border-bottom:1px solid var(--line); }
thead th:first-child { border-top-left-radius:8px; }
thead th:last-child { border-top-right-radius:8px; }
tbody tr:hover td { background:var(--subtle); }
tbody td { color:var(--text); }
tbody td.value { color:var(--heading); font-weight:600; }
tfoot th { color:var(--heading); font-weight:700; border-bottom:0; border-top:2px solid var(--heading); }
.num { text-align:right; font-variant-numeric:tabular-nums; }
.nowrap { white-space:nowrap; }
.cell-title { color:var(--heading); font-weight:600; }
.is-selected td { background:var(--orange-light); }
.is-selected td:first-child { box-shadow:inset 3px 0 0 var(--orange); }
tbody tr.is-selected:hover td { background:var(--orange-light); }
.tag { display:inline-block; margin-left:6px; padding:1px 8px; border-radius:999px; background:var(--line); color:var(--muted); font-size:12px; font-weight:500; }

.muted { color:var(--muted); }
.alert { background:var(--orange-light); color:var(--heading); border-left:3px solid var(--orange); border-radius:8px; padding:11px 14px; }
.alert--error { background:var(--error-bg); color:var(--error); border-left-color:var(--error); }
.monthnav { display:flex; justify-content:space-between; gap:12px; margin:-8px 0 18px; }

.form { display:grid; gap:16px; }
.form label { display:grid; gap:6px; color:var(--heading); font-size:14px; font-weight:500; }
.form select { width:100%; padding:11px 12px; border:1px solid #D0D5DD; border-radius:8px; font:inherit; font-size:16px; color:var(--heading); background:#fff; }
.form input, .form select { min-height:48px; }
.credentials dl { display:grid; grid-template-columns:auto 1fr; gap:4px 14px; margin:10px 0; }
.credentials dt { color:var(--muted); }
.credentials dd { margin:0; }
.credentials code { font-size:16px; font-weight:600; color:var(--heading); user-select:all; }
.form input { width:100%; min-width:0; padding:11px 12px; border:1px solid #D0D5DD; border-radius:8px; font:inherit; font-size:16px; font-weight:400; color:var(--heading); background:#fff; }
.form input:focus { border-color:var(--orange); outline:0; box-shadow:0 0 0 3px var(--orange-light); }
.form--inline { grid-template-columns:160px minmax(0,1fr) auto; align-items:end; }
.button { padding:12px 16px; background:var(--orange); color:#fff; border:0; border-radius:8px; font:inherit; font-weight:600; cursor:pointer; box-shadow:0 1px 2px rgba(16,24,40,.12); transition:background .15s; }
.button:hover { background:var(--orange-dark); }

/* Handy: Zeilen werden zu Karten, kein seitliches Schieben */
@media (max-width: 760px) {
    .form--inline { grid-template-columns:1fr; }
    h1 { font-size:23px; margin-bottom:14px; }
    .topbar__inner { padding:12px 16px; }
    .page { padding:20px 14px 40px; }
    .card { padding:16px; border-radius:12px; margin-bottom:16px; }
    .card--narrow { margin:20px auto; padding:22px; }
    .card--flush { background:none; box-shadow:none; padding:0; }
    .stats { grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; margin-bottom:12px; }
    .stat { padding:13px 14px; border-radius:12px; }
    .stat__value { font-size:20px; overflow-wrap:anywhere; }
    .stat--primary .stat__value { font-size:24px; }
    .stats--three { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .stats--three .stat:last-child { grid-column:1 / -1; }
    .summary { margin-bottom:18px; font-size:13px; }

    .hide-mobile { display:none !important; }
    .cards, .cards tbody, .cards tfoot { display:block; width:100%; }
    .cards thead { display:none; }
    .cards tr { display:grid; grid-template-columns:1fr 1fr; gap:10px 14px; background:var(--card); border-radius:12px; padding:14px; margin-bottom:10px; box-shadow:var(--shadow); }
    .cards td, .cards tfoot th { display:flex; flex-direction:column; gap:0; padding:0; border:0; text-align:left; white-space:normal; font-variant-numeric:tabular-nums; color:var(--heading); font-weight:600; font-size:15px; }
    tbody tr:hover td { background:none; }
    .cards td::before, .cards tfoot th::before { content:attr(data-label); color:var(--muted); font-size:12px; font-weight:400; }
    .cards td:empty, .cards tfoot th:empty { display:none; }

    .cards .cell-title, .cards .cell-sub, .cards .cell-total { grid-column:1 / -1; }
    .cards .cell-title { display:block; font-size:16px; font-weight:600; }
    .cards .cell-title::before, .cards .cell-sub::before { content:none; }
    .cards .cell-sub { display:block; margin-top:-8px; padding-bottom:10px; border-bottom:1px solid var(--line); color:var(--muted); font-size:14px; font-weight:400; }
    .cards .cell-sub:empty { display:none; }
    .cards .cell-total { order:9; flex-direction:row; justify-content:space-between; align-items:baseline; padding-top:10px; border-top:1px solid var(--line); font-size:17px; font-weight:700; }
    .cards .cell-total::before { font-size:14px; }

    .cards tfoot tr { background:var(--heading); box-shadow:none; margin-bottom:0; border-bottom:4px solid var(--orange); }
    .cards tfoot th { color:#fff; border-top:0; }
    .cards tfoot th::before { color:#D0D5DD; }
    .cards tfoot .cell-total { border-top:1px solid #344054; font-size:20px; }

    /* Monatsübersicht: 4 Spalten passen ohne Schieben */
    .compact th, .compact td { padding:10px 4px; font-size:14px; overflow-wrap:normal; }
    .compact thead th { font-size:11px; letter-spacing:.02em; }
    .compact th:first-child, .compact td:first-child { padding-left:8px; }
    .compact th:last-child, .compact td:last-child { padding-right:6px; }
}