:root {
  --bg: #f6f7f9; --card: #ffffff; --text: #1a202c; --muted: #667085;
  --primary: #2b6cb0; --primary-ink: #ffffff; --border: #e2e8f0;
  --ok: #2f855a; --warn: #b7791f; --err: #c53030; --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#12151a; --card:#1b2027; --text:#e6e9ee; --muted:#9aa4b2;
          --primary:#4a90d9; --border:#2a323d; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
       background: var(--bg); color: var(--text); }
button { font: inherit; cursor: pointer; }
input, button { border-radius: 8px; }
a { color: var(--primary); }

/* Kopfzeile */
.topbar { position: sticky; top: 0; display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; background: var(--primary); color: var(--primary-ink);
  padding-top: max(10px, env(safe-area-inset-top)); }
.topbar h1 { font-size: 17px; margin: 0; font-weight: 600; }
.topbar .spacer { flex: 1; }
.iconbtn { background: transparent; border: 0; color: inherit; font-size: 20px; padding: 6px 8px; }
.badge { background: rgba(255,255,255,.18); padding: 4px 10px; border-radius: 999px; font-size: 13px; }

/* Layout */
.layout { display: flex; }
main { flex: 1; padding: 16px; max-width: 820px; margin: 0 auto; width: 100%; }

/* Drawer */
.drawer { position: fixed; inset: 0 auto 0 0; width: 280px; max-width: 82vw;
  background: var(--card); border-right: 1px solid var(--border); transform: translateX(-100%);
  transition: transform .2s; z-index: 40; overflow-y: auto; padding: 8px 0;
  padding-top: max(8px, env(safe-area-inset-top)); }
.drawer.open { transform: none; }
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 39; }
.drawer .group { padding: 10px 16px 4px; font-size: 12px; text-transform: uppercase;
  letter-spacing: .04em; color: var(--muted); }
.drawer .item { display: block; width: 100%; text-align: left; border: 0; background: transparent;
  color: var(--text); padding: 10px 16px; }
.drawer .item.sub { padding-left: 30px; color: var(--muted); }
.drawer .item:hover { background: var(--bg); }
.drawer .item.active { color: var(--primary); font-weight: 600; }

/* Karten & Formulare */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; margin-bottom: 14px; }
.card h3 { margin: 0 0 6px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.field input { padding: 10px; border: 1px solid var(--border); background: var(--card); color: var(--text); }
.btn { background: var(--primary); color: var(--primary-ink); border: 0; padding: 10px 16px; }
.btn.secondary { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn:disabled { opacity: .5; cursor: default; }
.price { font-weight: 600; }
.tag { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.tag.gratis { color: var(--ok); border-color: var(--ok); }
.tag.installed { color: var(--primary); border-color: var(--primary); }
.crosssell { color: var(--warn); font-size: 13px; margin-top: 6px; }
.msg { padding: 10px 12px; border-radius: 8px; margin: 10px 0; }
.msg.ok { background: rgba(47,133,90,.12); color: var(--ok); }
.msg.err { background: rgba(197,48,48,.12); color: var(--err); }
.msg.warn { background: rgba(183,121,31,.14); color: var(--warn); }
.auth { max-width: 420px; margin: 8vh auto; }
.center { text-align: center; }
.tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.tabs button { flex: 1; padding: 8px; border: 1px solid var(--border); background: var(--card); color: var(--text); }
.tabs button.active { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }

/* Modal */
.modal-scrim { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: flex;
  align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal { background: var(--card); border-radius: var(--radius); padding: 18px; max-width: 480px; width: 100%; }
.modal h3 { margin-top: 0; }