:root {
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --border: #dfe3e8;
  --text: #1f2430;
  --text-muted: #6b7280;
  --accent: #2454ff;
  --accent-hover: #173fd6;
  --error: #c0362c;
  --success: #1c7a3d;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand { font-weight: 600; font-size: 1.05rem; }
.user-box { display: flex; align-items: center; gap: 0.75rem; color: var(--text-muted); font-size: 0.9rem; }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

h1 { font-size: 1.25rem; margin: 0 0 0.75rem; }
h2 { font-size: 1.05rem; margin: 0 0 0.75rem; }

.hint { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }

label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}
label input, label textarea {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  color: var(--text);
  font-family: inherit;
}
label textarea { resize: vertical; }

button {
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 6px;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  font-weight: 500;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.55; cursor: not-allowed; }

.secondary-btn {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
  margin-top: 0.5rem;
}
.secondary-btn:hover { background: #f0f3ff; }

.primary-btn { margin-top: 1rem; }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  font-size: 0.85rem;
}
.link-btn:hover { text-decoration: underline; background: none; }

.spinner { margin-left: 0.75rem; color: var(--text-muted); font-size: 0.85rem; }

.error {
  color: var(--error);
  background: #fdecea;
  border: 1px solid #f3c1bc;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font-size: 0.87rem;
  margin-top: 0.75rem;
}
.success {
  color: var(--success);
  background: #eaf6ee;
  border: 1px solid #bfe3cb;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font-size: 0.87rem;
  margin-top: 0.75rem;
}

.hidden { display: none !important; }

.kunde-check {
  margin: -0.5rem 0 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f7f8fa;
  font-size: 0.88rem;
}
.kunde-check.checking { color: var(--text-muted); }
.kunde-check.confirmed {
  background: #eaf6ee;
  border-color: #bfe3cb;
  color: var(--success);
}
.kunde-check .kunde-match-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.kunde-check .kunde-match-list button {
  width: 100%;
  text-align: left;
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 400;
  padding: 0.5rem 0.65rem;
}
.kunde-check .kunde-match-list button:hover {
  border-color: var(--accent);
  background: #f0f3ff;
}
.kunde-check .kunde-new-btn {
  margin-top: 0.5rem;
  background: transparent;
  color: var(--error);
  border: 1px solid var(--border);
}
.kunde-check .kunde-new-btn:hover { background: #fdecea; }

.pos-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
  font-size: 0.88rem;
}
.pos-table th {
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding: 0.4rem 0.4rem;
}
.pos-table td {
  border-bottom: 1px solid var(--border);
  padding: 0.35rem 0.4rem;
  vertical-align: top;
}
.pos-table input {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  padding: 0.3rem;
  border-radius: 4px;
  font-size: 0.88rem;
}
.pos-table input:focus {
  border-color: var(--accent);
  background: white;
  outline: none;
}
.pos-table tr.unsicher td { background: #fff8e6; }
.pos-table .row-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  padding: 0 0.3rem;
}
.pos-table .row-remove:hover { color: var(--error); }

.total-row {
  text-align: right;
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

@media (max-width: 600px) {
  .pos-table thead { display: none; }
  .pos-table tr { display: block; margin-bottom: 0.75rem; border-bottom: 2px solid var(--border); }
  .pos-table td { display: block; border-bottom: none; }
}