/* Batterie-Portal — schlicht und hell */
:root {
  --bg: #f6f8fb; --card: #ffffff; --line: #e5eaf1; --ink: #0f172a; --text: #475569; --muted: #64748b;
  --blue: #2563eb; --blue-50: #eff6ff; --green: #16a34a; --amber: #d97706; --red: #dc2626;
  --radius: 14px; --shadow: 0 1px 2px rgba(15,23,42,.05), 0 6px 20px rgba(15,23,42,.05);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); line-height: 1.6; font-size: 15px; -webkit-font-smoothing: antialiased; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: var(--ink); line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: 26px; } h2 { font-size: 19px; } h3 { font-size: 16px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.schmal { max-width: 440px; }

.top { background: #fff; border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.marke { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.marke-icon { width: 34px; height: 34px; border-radius: 9px; background: var(--blue-50); color: var(--blue); display: grid; place-items: center; }
.marke small { display: block; font-weight: 500; color: var(--muted); font-size: 12px; }
.top nav { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.top nav a { color: var(--text); }

main { padding: 40px 0 64px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; }
.card + .card { margin-top: 20px; }
.lead { color: var(--muted); margin-top: 6px; }
.mt { margin-top: 20px; } .mt-s { margin-top: 10px; }

label { display: block; font-weight: 600; color: var(--ink); font-size: 14px; margin-bottom: 6px; }
input, select, textarea { width: 100%; font: inherit; color: var(--ink); background: #fff; border: 1px solid #cbd5e1; border-radius: 10px; padding: 10px 12px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
textarea { min-height: 80px; resize: vertical; }
.feld { margin-bottom: 16px; }
.hinweis { font-size: 13px; color: var(--muted); margin-top: 4px; }
.raster { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 16px; }
.raster-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 16px; }
@media (max-width: 720px) { .raster, .raster-2 { grid-template-columns: 1fr; } }
.code-input { font-size: 28px; letter-spacing: .35em; text-align: center; font-weight: 700; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 42px; padding: 0 18px; border-radius: 10px; border: 1px solid var(--line); background: #fff; color: var(--ink); font: 600 14px inherit; cursor: pointer; text-decoration: none !important; }
.btn:hover { background: #f8fafc; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-gruen { background: var(--green); border-color: var(--green); color: #fff; }
.btn-rot { color: var(--red); border-color: #fecaca; }
.btn-voll { width: 100%; }
.btn-klein { height: 34px; padding: 0 12px; font-size: 13px; }
.knoepfe { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.meldung { border-radius: 10px; padding: 10px 14px; font-size: 14px; margin-bottom: 16px; }
.fehler { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }
.ok { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.info { background: var(--blue-50); border: 1px solid #bfdbfe; color: #1e40af; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--line); }
td { padding: 11px 12px; border-bottom: 1px solid var(--line); color: var(--ink); }
tr:last-child td { border-bottom: 0; }
.tabelle { overflow-x: auto; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13px; }
.rechts { text-align: right; }

.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 999px; background: #f1f5f9; color: var(--muted); }
.badge-gruen { background: #dcfce7; color: #166534; } .badge-gelb { background: #fef3c7; color: #92400e; } .badge-blau { background: var(--blue-50); color: #1e40af; }

.kacheln { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
@media (max-width: 720px) { .kacheln { grid-template-columns: repeat(2, 1fr); } }
.kachel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.kachel b { display: block; font-size: 26px; color: var(--ink); }
.kachel span { font-size: 13px; color: var(--muted); }

.soh { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.soh-zahl { font-size: 46px; font-weight: 800; line-height: 1; }
.balken { height: 10px; background: #e2e8f0; border-radius: 999px; overflow: hidden; margin-top: 14px; }
.balken div { height: 100%; border-radius: 999px; }
.werte { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 20px; }
@media (max-width: 720px) { .werte { grid-template-columns: repeat(2, 1fr); } }
.wert { background: #f8fafc; border-radius: 10px; padding: 12px 14px; }
.wert span { display: block; font-size: 12px; color: var(--muted); }
.wert b { color: var(--ink); }

.kopfzeile { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.suche { display: flex; gap: 8px; } .suche input { min-width: 260px; }
footer { text-align: center; font-size: 13px; color: var(--muted); padding: 24px 0 40px; }