:root{
  --bg:#f4f6f8;
  --surface:#ffffff;
  --surface-soft:#f8fafc;
  --line:#d9e1ea;
  --text:#17212b;
  --muted:#667789;
  --primary:#128c7e;
  --primary-soft:#e9f7f4;
  --ok:#128c7e;
  --warn:#ffb020;
  --danger:#d64545;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.login-overlay{position:fixed;inset:0;z-index:20;background:linear-gradient(135deg,#f4f6f8,#eef8f6);display:grid;place-items:center;padding:20px}.login-overlay[hidden]{display:none}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px rgba(15,23,42,.14);padding:24px;display:grid;gap:14px}.login-card p{margin:0;color:var(--muted);font-weight:650}.login-card label{display:grid;gap:7px;font-size:13px;font-weight:850;color:#314052}.login-card input{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 11px;font:inherit}.login-card button{border:0;border-radius:10px;padding:11px 13px;background:var(--primary);color:#fff;font-weight:900;cursor:pointer}.login-card small{min-height:18px;color:var(--danger);font-weight:800}
.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;min-height:178px;padding:18px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--surface);z-index:3}
.brand{font-weight:950;font-size:30px;color:var(--primary);letter-spacing:-.045em}.brand-logo{display:block;width:190px;max-width:32vw;height:auto;object-fit:contain}.login-logo{display:block;width:220px;max-width:70%;height:auto;object-fit:contain;margin-bottom:2px}.subtitle{color:var(--muted);font-size:14px;margin-top:8px}.brand-block{justify-self:start;display:grid;justify-items:start;align-content:center}
.header-qr{justify-self:center;display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--text);background:var(--surface-soft);border:1px solid var(--line);border-radius:18px;padding:12px 16px;box-shadow:0 8px 22px rgba(15,23,42,.06)}.header-qr:hover{background:#fff}.header-qr-code{padding:8px;background:#fff;border:1px solid var(--line);border-radius:14px}.header-qr-code .qr-svg{width:116px;height:116px}.header-qr-meta{display:grid;gap:4px;min-width:140px}.header-qr-meta strong{font-size:17px}.header-qr-meta span{font-size:13px;color:var(--muted)}
.session-card{justify-self:end;display:grid;grid-template-columns:auto auto;gap:5px 10px;align-items:center;background:var(--surface-soft);border:1px solid var(--line);border-radius:14px;padding:12px}.ghost-link{grid-row:1/5;color:var(--primary);font-weight:850;text-decoration:none;border:1px solid #cfe1df;background:#fff;border-radius:10px;padding:9px 11px}.ghost-link:hover{background:#edf8f6}.session-card select{grid-column:2;border:1px solid var(--line);border-radius:9px;background:#fff;padding:7px 9px;font-weight:800;color:#334155}.session-card span,.session-card small{color:var(--muted);font-size:13px}.session-card strong{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#8a5a00;font-size:18px}
.layout{display:grid;grid-template-columns:minmax(280px,.82fr) minmax(300px,.9fr) minmax(430px,1.2fr);grid-template-areas:"active carts admin" "history history history";gap:16px;padding:16px;max-width:1580px;margin:0 auto}.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 24px rgba(15,23,42,.07);overflow:hidden}.active-panel{grid-area:active}.carts-panel{grid-area:carts}.admin-panel{grid-area:admin}.history-panel{grid-area:history}.active-panel,.carts-panel,.admin-panel{min-height:calc(100vh - 235px)}.panel-title{padding:16px 18px;border-bottom:1px solid var(--line);font-weight:900;color:#25313d;letter-spacing:-.02em}.list,.orders,.history{padding:14px}.empty{color:var(--muted)}
.customer,.cart-card,.order{border:1px solid var(--line);border-radius:14px;padding:13px;background:#fff;margin-bottom:10px}.customer-head,.order-head,.cart-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.customer strong,.cart-card strong,.order strong{display:block}.delete-x{border:0;background:#fff1f1;color:var(--danger);border-radius:999px;width:28px;height:28px;font-size:18px;font-weight:950;line-height:1;cursor:pointer}.delete-x:hover{background:#ffe1e1}.meta,small{color:var(--muted)}.meta{font-size:13px;line-height:1.35}.pill,.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;background:#fff4db;color:#946200;font-weight:850;font-size:12px;white-space:nowrap}.pill.ok,.badge.ok{background:var(--primary-soft);color:var(--ok)}.pill.muted{background:#f1f5f9;color:#64748b}.cart-card ul,.order ul{margin:10px 0 0;padding-left:20px;color:#334155}.order-items{display:grid;gap:8px;margin-top:12px}.order-item{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;border:1px solid #e8eef4;background:#fbfdff;border-radius:12px;padding:10px}.item-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.item-actions button.small{border:1px solid var(--line);border-radius:9px;padding:7px 9px;background:#fff;color:#334155;font-weight:850;cursor:pointer}.item-actions button.small:hover{background:#f8fafc}.item-actions button.done{background:var(--primary);border-color:var(--primary);color:#fff}.item-actions button:disabled{opacity:.55;cursor:not-allowed}.item-actions button.done:disabled{opacity:1}.cart-total{display:flex;justify-content:space-between;margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-size:17px}.order-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.order-actions button,.history button{border:1px solid var(--line);border-radius:10px;padding:9px 11px;background:#fff;color:#334155;font-weight:850;cursor:pointer}.order-actions button:hover,.history button:hover{background:#f8fafc}.order-actions button.done{background:var(--primary);border-color:var(--primary);color:#fff}.order-actions button:disabled{opacity:.55;cursor:not-allowed}.order-actions button.done:disabled{opacity:1}.order-age{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#475569}.history-table{width:100%;border-collapse:collapse;font-size:14px}.history-table th,.history-table td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.history-table th{background:var(--surface-soft);color:#475569;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.history-actions{display:flex;gap:6px;flex-wrap:wrap}.receipt{margin:0;min-height:270px;background:#fff;color:#111827;font:15px/1.32 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow:auto}.receipt.empty{padding:18px;color:var(--muted)}.receipt-card{display:grid;grid-template-columns:1fr auto;gap:22px;padding:20px}.receipt-copy{white-space:pre-wrap}.receipt-shop{font-weight:900;font-size:18px;letter-spacing:.08em}.receipt-qr{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:160px;border-left:1px dashed #cbd5e1;padding-left:20px}.receipt-qr-label{font:700 12px/1.2 Inter,system-ui,sans-serif;color:#475569;text-align:center}.qr-svg{display:block;border:1px solid #e5e7eb;border-radius:10px;background:#fff}.toast{position:fixed;right:18px;bottom:18px;background:var(--primary);color:#fff;padding:12px 14px;border-radius:12px;font-weight:900;box-shadow:0 10px 30px rgba(0,0,0,.18)}
@media(max-width:1100px){.topbar{grid-template-columns:1fr;justify-items:stretch;position:relative}.brand-block,.header-qr,.session-card{justify-self:stretch}.layout{grid-template-columns:1fr;grid-template-areas:"active" "carts" "admin" "history"}.receipt-card{grid-template-columns:1fr}.receipt-qr{border-left:0;border-top:1px dashed #cbd5e1;padding-left:0;padding-top:16px;align-items:flex-start}.history-table{font-size:13px}}

/* Warenkorb-Editor */
.cart-items{display:grid;gap:8px;margin-top:12px}
.cart-line{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;border:1px solid #e8eef4;background:#fbfdff;border-radius:12px;padding:10px}
.cart-line-main{min-width:0;text-align:left}.cart-line-main strong{line-height:1.25}.cart-line-main small{display:block;margin-top:3px;color:var(--muted)}
.cart-line-actions{display:flex;gap:6px;justify-content:flex-end;align-items:center}.edit-qty{border:0;background:#eef8f6;color:var(--primary);border-radius:999px;width:28px;height:28px;font-size:15px;font-weight:950;line-height:1;cursor:pointer}.edit-qty:hover{background:#dff2ee}
.qty-picker{grid-column:1/-1;display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;padding-top:2px}.qty-picker[hidden]{display:none}.qty-choice{border:1px solid var(--line);background:#fff;border-radius:9px;min-width:32px;height:32px;font-weight:900;color:#334155;cursor:pointer}.qty-choice:hover,.qty-choice.active{background:var(--primary);border-color:var(--primary);color:#fff}