:root {
  --blau: #313E72; --tuerkis: #67C7EF; --rot: #CF2E2E; --navy: #1b2340; --graublau: #5b6b8c;
  --bg: #f4f6fa; --card: #ffffff; --line: #e2e6ef; --text: #1b2340; --muted: #6b7591;
  --ok: #2e8b57; --warn: #c98a00; --crit: #CF2E2E; --radius: 10px;
  font-family: Aptos, "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.45; }
a { color: var(--blau); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 .25rem; color: var(--navy); }
h2 { font-size: 1.15rem; margin: 1.6rem 0 .6rem; color: var(--navy); }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; }
.topbar { background: var(--navy); color: #fff; display: flex; align-items: center; gap: 1.2rem; padding: .55rem 1.2rem; flex-wrap: wrap; }
.topbar .brand { font-weight: 700; letter-spacing: .02em; display: flex; align-items: center; gap: .6rem; }
.topbar .brand .stripes { display: inline-block; width: 22px; height: 14px; background: linear-gradient(to bottom, var(--blau) 0 33%, var(--tuerkis) 33% 66%, var(--rot) 66% 100%); border-radius: 2px; }
.topbar nav { display: flex; gap: .2rem; flex-wrap: wrap; }
.topbar nav a { color: #d9deea; padding: .35rem .6rem; border-radius: 6px; font-size: .92rem; }
.topbar nav a.active, .topbar nav a:hover { background: rgba(255,255,255,.12); color: #fff; text-decoration: none; }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: .8rem; font-size: .9rem; color: #c8cfe0; }
.topbar form { margin: 0; }
.demo-banner { background: #fff4d6; color: #6b4f00; padding: .4rem 1.2rem; font-size: .9rem; border-bottom: 1px solid #f0d890; }
main { max-width: 1240px; margin: 0 auto; padding: 1.2rem 1.2rem 3rem; }
.sub { color: var(--muted); font-size: .92rem; }
.grid { display: grid; gap: 1rem; }
.grid.tiles { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; }
.card h2:first-child, .card h3:first-child { margin-top: 0; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; }
.tile .label { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.tile .value { font-size: 1.45rem; font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; }
.tile .delta { font-size: .82rem; }
.delta.up { color: var(--ok); } .delta.down { color: var(--crit); } .delta.flat { color: var(--muted); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr:hover td { background: #f8f9fc; }
.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .76rem; font-weight: 600; background: #e9edf5; color: var(--blau); white-space: nowrap; }
.badge.p1 { background: #fde3e3; color: var(--rot); } .badge.p2 { background: #fff1cc; color: #7a5a00; } .badge.p3 { background: #e5f6fd; color: #1c6a8c; }
.badge.offen { background: #e5f6fd; color: #1c6a8c; } .badge.umgesetzt { background: #dff3e6; color: #1e6b3c; } .badge.verworfen { background: #eee; color: #666; } .badge.später { background: #fff1cc; color: #7a5a00; }
.badge.kritisch { background: #fde3e3; color: var(--rot); } .badge.warn { background: #fff1cc; color: #7a5a00; } .badge.info { background: #e9edf5; color: var(--blau); }
.badge.laufend { background: #e5f6fd; color: #1c6a8c; } .badge.abgeschlossen { background: #dff3e6; color: #1e6b3c; } .badge.geplant { background: #eee; color: #555; } .badge.abgebrochen { background: #eee; color: #666; }
.btn { display: inline-block; background: var(--blau); color: #fff; border: 0; padding: .45rem .9rem; border-radius: 7px; font-size: .9rem; cursor: pointer; font-family: inherit; }
.btn:hover { background: #26315c; text-decoration: none; }
.btn.secondary { background: #e9edf5; color: var(--blau); }
.btn.danger { background: var(--rot); }
.btn.small { padding: .25rem .6rem; font-size: .8rem; }
input, select, textarea { font-family: inherit; font-size: .92rem; padding: .4rem .55rem; border: 1px solid #c9d0de; border-radius: 6px; background: #fff; color: var(--text); }
textarea { width: 100%; min-height: 80px; }
label { font-size: .82rem; color: var(--muted); display: block; margin-bottom: .15rem; }
.form-row { display: flex; gap: .8rem; flex-wrap: wrap; align-items: flex-end; margin-bottom: .6rem; }
.form-row > div { flex: 1 1 160px; }
.period { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; margin: .6rem 0 1rem; font-size: .9rem; }
.period a { padding: .25rem .6rem; border-radius: 6px; background: #e9edf5; }
.period a.active { background: var(--blau); color: #fff; }
.steps { padding-left: 1.2rem; } .steps li { margin: .3rem 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .25rem 1rem; font-size: .9rem; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; }
.alert-row { display: flex; gap: .8rem; align-items: flex-start; padding: .6rem 0; border-bottom: 1px solid var(--line); }
.alert-row .body { flex: 1; }
.chat { display: flex; flex-direction: column; gap: .8rem; max-width: 900px; }
.msg { padding: .7rem 1rem; border-radius: 12px; max-width: 85%; }
.msg.user { align-self: flex-end; background: var(--blau); color: #fff; }
.msg.assistant { align-self: flex-start; background: #fff; border: 1px solid var(--line); }
.msg.assistant table { font-size: .85rem; } .msg p:first-child { margin-top: 0; } .msg p:last-child { margin-bottom: 0; }
.chat-form { display: flex; gap: .6rem; margin-top: 1rem; }
.chat-form textarea { flex: 1; min-height: 60px; }
.toolcalls { font-size: .78rem; color: var(--muted); margin-top: .3rem; }
.report-md h2 { font-size: 1.05rem; margin-top: 1.3rem; } .report-md table { margin: .5rem 0; }
.login { max-width: 360px; margin: 10vh auto; }
.login input { width: 100%; margin-bottom: .8rem; }
.err { color: var(--rot); font-size: .9rem; }
.bar { height: 6px; background: #e9edf5; border-radius: 3px; overflow: hidden; } .bar > span { display: block; height: 100%; background: var(--tuerkis); }
canvas { max-width: 100%; }
pre { background: #0f1424; color: #e8ecf5; padding: .8rem 1rem; border-radius: 8px; overflow: auto; font-size: .82rem; }
code { background: #eef1f7; padding: .05rem .3rem; border-radius: 4px; font-size: .88em; }
details summary { cursor: pointer; color: var(--blau); }
@media (max-width: 720px) { main { padding: .8rem; } .grid.two { grid-template-columns: 1fr; } .msg { max-width: 100%; } }