:root{
  --mkd-red:#d4001a;
  --mkd-red-dark:#a90014;
  --mkd-text:#111827;
  --mkd-muted:#5b6472;
  --mkd-border:#e5e7eb;
  --mkd-soft:#f7f7f8;
  --mkd-ok:#15803d;
  --mkd-warn:#d97706;
  --mkd-bad:#dc2626;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--mkd-text);
  background:transparent;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:transparent;color:var(--mkd-text)}
body{font-size:16px;line-height:1.5}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 0 28px}
.hero{
  background:#fff;
  color:var(--mkd-text);
  border:1px solid var(--mkd-border);
  border-radius:0;
  padding:26px 30px;
  margin:0 0 20px;
  box-shadow:none;
}
.hero h1{margin:4px 0 12px;font-size:clamp(26px,3vw,38px);line-height:1.15;font-weight:600;letter-spacing:-.01em}
.hero p{max-width:850px;margin:0;line-height:1.6;color:#252525}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--mkd-red);font-weight:700;font-size:13px;margin:0 0 8px}.card{background:#fff;border:1px solid var(--mkd-border);border-radius:0;padding:22px 24px;margin:18px 0;box-shadow:none}label{display:block;font-weight:700;margin-bottom:8px}.row{display:flex;gap:12px;align-items:stretch}.row input{flex:1}.check-form input,.lead-form input,.lead-form textarea{width:100%;border:1px solid #c9ced6;border-radius:0;padding:12px 13px;font-size:16px;background:#fff;color:var(--mkd-text)}.check-form input:focus,.lead-form input:focus,.lead-form textarea:focus{outline:2px solid rgba(212,0,26,.18);border-color:var(--mkd-red)}button{border:0;border-radius:0;background:var(--mkd-red);color:#fff;font-weight:800;padding:12px 20px;font-size:16px;cursor:pointer;white-space:nowrap}button:hover{background:var(--mkd-red-dark)}.alert{padding:13px 15px;border-radius:0;margin:16px 0;border-left:5px solid}.error{background:#fff1f2;color:#7f1d1d;border-color:var(--mkd-bad)}.success{background:#f0fdf4;color:#14532d;border-color:var(--mkd-ok)}.score-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:18px 0}.score-card{background:#fff;border:1px solid var(--mkd-border);border-top:5px solid #9ca3af;border-radius:0;padding:18px 14px;text-align:center;box-shadow:none}.score-card strong{display:block;font-size:34px;line-height:1;font-weight:800}.score-card span{display:block;margin-top:8px;color:var(--mkd-muted)}.score-card.good{border-top-color:var(--mkd-ok)}.score-card.warn{border-top-color:var(--mkd-warn)}.score-card.poor{border-top-color:var(--mkd-bad)}.score-card.total{background:var(--mkd-red);border-color:var(--mkd-red);color:white}.score-card.total span{color:#fff}.issues-card{border-top:5px solid var(--mkd-red)}.issues-card h2{margin:0 0 8px;font-size:24px}.issues-card>p{margin-top:0;color:var(--mkd-muted)}.issues{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.issue{border:1px solid var(--mkd-border);border-left:5px solid var(--mkd-warn);border-radius:0;padding:14px;background:#fff}.issue strong{display:block;margin-bottom:6px;color:#111}.issue p{margin:0;color:#4b5563;line-height:1.45}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--mkd-border);vertical-align:top}th{background:#f3f4f6;font-weight:800}.ok{display:inline-block;background:#e8f7ee;color:#176336;padding:3px 8px;border-radius:0;font-weight:800}.bad{display:inline-block;background:#ffe9e9;color:#8a1f1f;padding:3px 8px;border-radius:0;font-weight:800}.muted{color:var(--mkd-muted)}.lead-card{border-top:5px solid var(--mkd-red)}.lead-form{display:grid;gap:13px;max-width:760px}.checkbox{font-weight:500;display:flex;gap:10px;align-items:flex-start}.checkbox input{width:auto;margin-top:4px}@media (max-width:760px){.container{padding-bottom:20px}.hero{padding:20px}.row{flex-direction:column}.score-grid{grid-template-columns:repeat(2,1fr)}.score-card.total{grid-column:1/-1}.issues{grid-template-columns:1fr}button{width:100%}}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:end}.check-form button{margin-top:12px}.selector-unknown{margin:4px 0 8px}.check-form input:disabled{background:#f3f4f6;color:#6b7280}.score-grid.has-dkim{grid-template-columns:repeat(6,1fr)}.score-card.dkim strong{font-size:22px;line-height:1.15;min-height:50px;display:flex;align-items:center;justify-content:center}.dkim-note{margin:-8px 0 16px;color:var(--mkd-muted);font-size:14px}.score-card.dkim.warn{border-top-color:var(--mkd-warn)}.score-card.dkim.poor{border-top-color:var(--mkd-bad)}.score-card.dkim.good{border-top-color:var(--mkd-ok)}@media (max-width:900px){.score-grid.has-dkim{grid-template-columns:repeat(3,1fr)}}@media (max-width:760px){.form-grid{grid-template-columns:1fr}.score-grid.has-dkim{grid-template-columns:repeat(2,1fr)}.score-grid.has-dkim .score-card.total{grid-column:1/-1}}

button:disabled { opacity: .55; cursor: not-allowed; filter: grayscale(25%); }
.service-options{display:grid;gap:8px;margin:12px 0 14px}.service-option{background:#f7f7f7;border-left:4px solid var(--mkd-red);padding:10px 12px}.monitoring-fields{background:#fff8f8;border:1px solid #e7c6c6;padding:12px;margin:8px 0 14px}.small{font-size:14px}.lead-form textarea{width:100%;border:1px solid #c9ced6;border-radius:0;padding:12px 13px;font-size:16px;background:#fff;color:var(--mkd-text)}

/* Admin-Oberfläche */
.admin-container{max-width:1280px}
.admin-hero h1{font-size:clamp(24px,2.4vw,34px)}
.admin-nav{margin:12px 0 18px;text-align:right}.admin-nav a{color:var(--mkd-red);font-weight:700;text-decoration:none}.admin-nav a:hover{text-decoration:underline}.admin-login{max-width:520px}.admin-stats{grid-template-columns:repeat(5,1fr)}.admin-stats .score-card strong{font-size:30px}.admin-filter{margin:0 0 12px;max-width:260px}.admin-filter select,.admin-edit-form select,.admin-edit-form input,.admin-edit-form textarea{width:100%;border:1px solid #c9ced6;border-radius:0;padding:10px 12px;font-size:15px;background:#fff;color:var(--mkd-text)}.admin-table{font-size:14px}.admin-table th{white-space:nowrap}.button-link{display:inline-block;background:var(--mkd-red);color:#fff!important;text-decoration:none;font-weight:800;padding:7px 10px}.button-link:hover{background:var(--mkd-red-dark)}.admin-edit-form{display:grid;gap:12px}.admin-inline-action{margin-top:14px;padding-top:14px;border-top:1px solid var(--mkd-border)}code{background:#f3f4f6;padding:2px 5px}
@media (max-width:900px){.admin-stats{grid-template-columns:repeat(2,1fr)}.admin-table{font-size:13px}}

.admin-add{padding:0}
.admin-add-details{padding:0}
.admin-add-details summary{display:block;cursor:pointer;padding:18px 22px;font-size:20px;font-weight:800;color:var(--mkd-red);background:#fff}
.admin-add-details summary:hover{background:#fff7f7}
.admin-add-details[open] summary{border-bottom:1px solid var(--mkd-border)}
.admin-add-details form,.admin-add-details .muted{margin:18px 22px}

.hcaptcha-wrap{margin:14px 0}.admin-actions{display:flex;gap:6px;flex-wrap:wrap}.admin-actions form{display:inline}.button-secondary{background:#6b7280}.button-secondary:hover{background:#4b5563}.button-muted{background:#374151}.button-muted:hover{background:#1f2937}

.danger-zone{border-top:1px solid #fecaca;background:#fff7f7;padding:14px}
.danger-button{background:#991b1b}
.danger-button:hover{background:#7f1d1d}

/* Version 3.0 Dashboard / Vertrieb */
.admin-stats-v3{grid-template-columns:repeat(5,1fr)}
.compact-card{padding-top:16px;padding-bottom:16px}
.health-badge,.sales-badge{display:inline-block;padding:4px 8px;font-weight:800;border-radius:0;font-size:12px}
.health-badge.good,.sales-badge.good{background:#e8f7ee;color:#176336}
.health-badge.warning,.sales-badge.warning{background:#fff7ed;color:#9a3412}
.health-badge.critical,.sales-badge.critical{background:#ffe9e9;color:#8a1f1f}
.health-badge.muted,.sales-badge.muted{background:#f3f4f6;color:#6b7280}
.detail-summary{border-left:5px solid var(--mkd-red)}
.detail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:12px 0 18px}
.detail-grid>div{border:1px solid var(--mkd-border);padding:12px;background:#fff}
.detail-grid strong{display:block;font-size:24px;line-height:1.1}
.detail-grid span{display:block;color:var(--mkd-muted);font-size:13px;margin-top:5px}
.recommendations{margin:8px 0 0;padding-left:22px}.recommendations li{margin:5px 0}
.admin-actions form{display:inline-block;margin:3px 0}
.button-secondary,.button-muted,.danger-button{padding:7px 10px;font-size:14px}
.button-secondary{background:#15803d}.button-muted{background:#6b7280}.danger-button{background:#991b1b}
@media (max-width:1000px){.admin-stats-v3{grid-template-columns:repeat(2,1fr)}.detail-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.detail-grid{grid-template-columns:1fr}}