:root {
  color-scheme: dark;
  --bg: #0f1218;
  --card: #171b23;
  --card-alt: #1d222c;
  --hover: #222834;
  --text: #e4e7ec;
  --muted: #8b93a1;
  --border: #2a303c;
  --input: #11151c;
  --primary: #4f7cff;
  --primary-hover: #3d68e8;
  --danger: #f06363;
}

* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: #7fa2ff; text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h2 + * { margin-top: 0; }
.card h2:not(:first-child) { margin-top: 24px; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 24px; background: #0a0d12; border-bottom: 1px solid var(--border); }
.topbar a, .topbar .link { color: var(--text); }
.topbar nav { display: flex; gap: 18px; align-items: center; }
.brand { font-weight: 700; font-size: 16px; }

main { max-width: 1400px; margin: 0 auto; padding: 20px 24px; }
footer { text-align: center; color: var(--muted); font-size: 12px; padding: 20px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 18px 20px; margin-bottom: 20px; }
.card.flush { padding: 0; overflow-x: auto; }
.card.narrow { max-width: 420px; margin: 60px auto; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 20px; align-items: start; }
.grid2 .card { margin-bottom: 0; }
.grid2 + .card, .grid2 + section { margin-top: 20px; }

label { display: block; margin-bottom: 10px; font-weight: 500; }
label.check { display: inline-flex; gap: 6px; align-items: center; font-weight: 400; margin: 0 14px 6px 0; }
input:not([type=checkbox]), select, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 7px 9px;
  border: 1px solid var(--border); border-radius: 6px; font: inherit;
  background: var(--input); color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(79, 124, 255, .25); }
input::placeholder, textarea::placeholder { color: #5d6573; }
input[type=checkbox] { accent-color: var(--primary); }
textarea { resize: vertical; }
fieldset { border: 1px solid var(--border); border-radius: 6px; margin: 0 0 12px; padding: 8px 12px; }
legend { font-weight: 500; padding: 0 4px; }
.checks { display: flex; flex-wrap: wrap; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.form-grid .wide { grid-column: 1 / -1; }

button, .btn {
  display: inline-block; padding: 7px 14px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--card-alt); color: var(--text); font: inherit; cursor: pointer; text-decoration: none;
}
button:hover, .btn:hover { background: var(--hover); text-decoration: none; }
button.primary, .btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover, .btn.primary:hover { background: var(--primary-hover); }
button.danger { color: var(--danger); border-color: #5a2a2a; }
button.link { border: 0; background: none; padding: 0; color: #7fa2ff; }
button:disabled { opacity: .6; cursor: wait; }
.small { font-size: 12px; }
.inline { display: inline; }
.right { text-align: right; margin-top: 10px; }
.row { display: flex; gap: 8px; margin-bottom: 10px; }
.row input { margin: 0; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; background: var(--card-alt); }
tr:last-child td { border-bottom: 0; }
table.leads tr:hover td { background: var(--hover); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.overdue { color: var(--danger); font-weight: 600; }
.g-link { display: inline-block; margin-left: 6px; padding: 0 6px; border: 1px solid var(--border); border-radius: 4px; font-size: 11px; font-weight: 700; color: var(--muted); line-height: 16px; }
.g-link:hover { color: #fff; background: var(--primary); border-color: var(--primary); text-decoration: none; }
.count { background: var(--hover); border-radius: 10px; padding: 1px 8px; font-size: 12px; margin-left: 4px; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; background: #14301f; color: #8ee0a8; border: 1px solid #1f4a2f; }
.flash.error { background: #3a1717; color: #ffa3a3; border-color: #5a2424; }

.list-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.quick { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 18px; }
.status-bar { display: flex; gap: 6px; flex-wrap: wrap; margin: 14px 0; }
.status-bar a { padding: 5px 12px; border: 1px solid var(--border); border-radius: 16px; background: var(--card); color: var(--text); }
.status-bar a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.status-bar a:hover { text-decoration: none; background: var(--hover); }
.status-bar a.active:hover { background: var(--primary-hover); }
.filters { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.filters input[type=search] { width: 300px; margin: 0; }
.filters select { width: auto; margin: 0; }
.filters label.check { margin: 0; }

.badge { display: inline-block; padding: 1px 9px; border-radius: 10px; font-size: 12px; font-weight: 500; white-space: nowrap; background: #262c37; color: #c3c8d1; vertical-align: middle; }
.st-neu { background: #1c2b4f; color: #9db8ff; }
.st-nicht_erreicht { background: #2a2f38; color: #a3aab6; }
.st-rueckruf { background: #3d3115; color: #f5c95c; }
.st-interesse { background: #163824; color: #7fdca2; }
.st-termin { background: #12343d; color: #6fd3ea; }
.st-kunde { background: #1f8a4c; color: #fff; }
.st-kein_interesse { background: #3d1c1c; color: #ff9b9b; }
.st-ungueltig { background: #24272d; color: #777e8a; text-decoration: line-through; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { border-left: 3px solid var(--border); padding: 4px 0 12px 12px; }
.timeline .note { margin-top: 4px; white-space: normal; }

.user-actions { min-width: 260px; }
.user-actions summary { color: #7fa2ff; margin: 0; }
.user-actions form { margin-top: 8px; }
details summary { cursor: pointer; font-weight: 500; margin-bottom: 10px; }

@media (max-width: 700px) {
  main { padding: 16px; }
  .grid2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .filters input[type=search] { width: 100%; }
}