*{box-sizing:border-box}
:root{
    --gt-blue:#3e83e2;
    --gt-blue-dark:#2467c1;
    --gt-bg:#f4f7fb;
    --gt-card:#ffffff;
    --gt-text:#172033;
    --gt-muted:#6f7b8f;
    --gt-line:#e5eaf2;
    --gt-green:#18a66a;
    --gt-orange:#e89a22;
    --gt-red:#d94a4a;
    --gt-gray:#aab3c1;
    --gt-shadow:0 18px 60px rgba(23,32,51,.08);
}
html{scroll-behavior:smooth}
body{
    margin:0;
    background:
        radial-gradient(circle at 12% 0%,rgba(62,131,226,.12),transparent 32%),
        linear-gradient(180deg,#f9fbfe 0%,var(--gt-bg) 100%);
    color:var(--gt-text);
    font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
}
button,input{font:inherit}
.gt-wrap{width:min(1600px,calc(100% - 40px));margin:0 auto;padding:56px 0 52px}
.gt-hero{text-align:center;padding:40px 0 52px}
.gt-badge,.gt-kicker{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--gt-blue-dark);background:rgba(62,131,226,.10);
    border:1px solid rgba(62,131,226,.18);border-radius:999px;
    padding:8px 12px;font-size:13px;font-weight:800;letter-spacing:.02em
}
.gt-hero h1{max-width:900px;margin:18px auto 16px;font-size:clamp(34px,5vw,62px);line-height:1.05;letter-spacing:-.045em}
.gt-lead{max-width:780px;margin:0 auto;color:var(--gt-muted);font-size:18px;line-height:1.7}
.gt-domain-form{max-width:1120px;margin:34px auto 0;text-align:left}
.gt-domain-form label{display:block;margin:0 0 8px;font-weight:800}
.gt-domain-row{
    display:grid;grid-template-columns:1fr auto;gap:10px;background:#fff;
    padding:8px;border:1px solid var(--gt-line);border-radius:18px;box-shadow:var(--gt-shadow)
}
.gt-domain-row input{width:100%;border:0;outline:0;padding:14px 15px;font-size:17px;color:var(--gt-text);background:transparent}
.gt-domain-row button{
    border:0;border-radius:12px;background:var(--gt-blue);color:#fff;font-weight:800;
    padding:14px 22px;cursor:pointer;transition:.2s ease
}
.gt-domain-row button:hover{background:var(--gt-blue-dark);transform:translateY(-1px)}
.gt-domain-row button:disabled{opacity:.65;cursor:wait;transform:none}
.gt-form-note{text-align:center;color:var(--gt-muted);font-size:13px;margin-top:12px}
.gt-panel{
    background:rgba(255,255,255,.96);border:1px solid rgba(217,225,237,.92);border-radius:26px;
    box-shadow:0 22px 70px rgba(23,32,51,.085);padding:30px;margin-top:24px
}
.gt-hidden{display:none!important}
.gt-panel-head,.gt-result-head{display:flex;justify-content:space-between;align-items:flex-start;gap:22px}
.gt-panel-head h2,.gt-result-head h2{font-size:28px;margin:10px 0 6px;letter-spacing:-.025em}
.gt-panel-head p,.gt-result-url{margin:0;color:var(--gt-muted)}
.gt-progress-number{display:flex;align-items:baseline;gap:3px;white-space:nowrap}
.gt-progress-number strong{font-size:38px;line-height:1;color:var(--gt-blue)}
.gt-progress-number span{font-size:15px;color:var(--gt-muted)}
.gt-progress-track{height:14px;background:#e9eef5;border-radius:999px;overflow:hidden;margin-top:22px;box-shadow:inset 0 1px 3px rgba(23,32,51,.10)}
.gt-progress-bar{height:100%;border-radius:inherit;background:linear-gradient(90deg,hsl(0 72% 46%),hsl(14 76% 52%));transition:width .35s ease,background .35s ease;box-shadow:0 0 14px rgba(217,74,74,.18)}
.gt-progress-meta{display:flex;justify-content:space-between;gap:10px;color:var(--gt-muted);font-size:13px;margin-top:8px}
.gt-live-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;margin-top:24px}
.gt-checks-card,.gt-live-summary,.gt-result-card{background:#fbfcfe;border:1px solid var(--gt-line);border-radius:18px}
.gt-checks-card{overflow:hidden}
.gt-section-tabs{display:flex;gap:7px;overflow:auto;padding:13px;border-bottom:1px solid var(--gt-line);background:#fff}
.gt-section-tab{
    white-space:nowrap;border:1px solid var(--gt-line);background:#fff;color:#536075;
    border-radius:999px;padding:7px 11px;font-size:12px;font-weight:800;cursor:pointer
}
.gt-section-tab.is-active{background:var(--gt-blue);color:#fff;border-color:var(--gt-blue)}
.gt-check-list{max-height:720px;overflow:auto}
.gt-check-row{
    display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:10px;align-items:start;
    padding:14px 16px;border-bottom:1px solid var(--gt-line);transition:.25s ease;background:#fff
}
.gt-check-row:last-child{border-bottom:0}
.gt-check-row.is-running{background:rgba(62,131,226,.055)}
.gt-check-icon{
    width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-weight:900;
    background:#eef1f5;color:var(--gt-gray)
}
.is-running .gt-check-icon{background:rgba(62,131,226,.12);color:var(--gt-blue);animation:gtPulse 1s infinite}
.is-ok .gt-check-icon{background:rgba(24,166,106,.12);color:var(--gt-green)}
.is-warn .gt-check-icon{background:rgba(232,154,34,.13);color:var(--gt-orange)}
.is-fail .gt-check-icon{background:rgba(217,74,74,.12);color:var(--gt-red)}
.gt-check-title{font-weight:800;font-size:14px;line-height:1.35}
.gt-check-message{color:var(--gt-muted);font-size:13px;line-height:1.45;margin-top:3px}
.gt-check-section{font-size:11px;color:#8792a3;background:#f0f3f7;border-radius:999px;padding:6px 8px}
.gt-live-summary{padding:18px;align-self:start;position:sticky;top:18px}
.gt-live-score{text-align:center;padding:10px 6px 20px;border-bottom:1px solid var(--gt-line)}
.gt-live-score span,.gt-live-score small{display:block;color:var(--gt-muted)}
.gt-live-score strong{display:block;color:var(--gt-blue);font-size:56px;line-height:1;margin:8px 0}
.gt-live-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;padding:16px 0}
.gt-live-stats div{text-align:center;background:#fff;border:1px solid var(--gt-line);border-radius:12px;padding:10px 5px}
.gt-live-stats b{display:block;font-size:20px}
.gt-live-stats span{display:block;font-size:10px;color:var(--gt-muted);margin-top:3px}
.gt-note{font-size:12px;line-height:1.55;color:var(--gt-muted);background:#f1f5fb;border-radius:12px;padding:12px}
.gt-result-head{align-items:center}
.gt-score-circle{
    width:126px;height:126px;border-radius:50%;display:grid;place-content:center;text-align:center;
    border:10px solid rgba(62,131,226,.14);box-shadow:inset 0 0 0 2px rgba(62,131,226,.16)
}
.gt-score-circle strong{display:block;font-size:42px;line-height:1;color:var(--gt-blue)}
.gt-score-circle span{font-size:12px;color:var(--gt-muted);margin-top:3px}
.gt-summary-text{margin:22px 0;padding:16px 18px;border-radius:14px;background:#f4f8fe;color:#42516a;line-height:1.6}
.gt-category-scores{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.gt-category-score{padding:14px;border:1px solid var(--gt-line);border-radius:14px;background:#fff}
.gt-cat-top{display:flex;justify-content:space-between;gap:12px;font-size:13px}
.gt-cat-top span{font-weight:800}.gt-cat-top strong{color:var(--gt-blue)}
.gt-cat-track{height:7px;border-radius:999px;background:#edf1f7;overflow:hidden;margin-top:10px}
.gt-cat-fill{height:100%;background:var(--gt-blue);border-radius:inherit}
.gt-result-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.5fr);gap:18px;margin-top:22px}
.gt-result-card{padding:20px;background:#fff}
.gt-result-card h3{margin:0 0 15px;font-size:20px}
.gt-rec{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:15px 0;border-top:1px solid var(--gt-line)}
.gt-rec:first-child{border-top:0;padding-top:0}
.gt-rec-number{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#f0f3f7;font-weight:900;font-size:13px}
.gt-rec.is-fail .gt-rec-number{background:rgba(217,74,74,.12);color:var(--gt-red)}
.gt-rec.is-warn .gt-rec-number{background:rgba(232,154,34,.13);color:var(--gt-orange)}
.gt-rec-meta{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--gt-muted);font-weight:800}
.gt-rec h4{margin:3px 0 5px;font-size:15px}
.gt-rec p{margin:0;color:var(--gt-muted);font-size:13px;line-height:1.5}
.gt-rec-action{margin-top:8px;font-size:13px;line-height:1.5}
.gt-final-stats{display:grid;gap:9px}
.gt-final-stats div{display:flex;justify-content:space-between;gap:12px;padding:11px 12px;background:#f7f9fc;border-radius:10px}
.gt-final-stats span{color:var(--gt-muted);font-size:13px}
.gt-secondary-btn{
    width:100%;margin-top:16px;border:1px solid var(--gt-line);background:#fff;border-radius:12px;
    padding:12px;font-weight:800;color:var(--gt-text);cursor:pointer
}
.gt-empty{color:var(--gt-muted);font-size:13px}
@keyframes gtPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
@media (max-width:1100px){
    .gt-live-layout,.gt-result-grid{grid-template-columns:1fr}
    .gt-live-summary{position:static}
    .gt-category-scores{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:700px){.gt-category-scores{grid-template-columns:1fr}}
@media (max-width:640px){
    .gt-wrap{width:min(100% - 20px,1600px);padding-top:28px}
    .gt-hero{padding-top:20px}
    .gt-domain-row{grid-template-columns:1fr}
    .gt-domain-row button{width:100%}
    .gt-panel{padding:17px;border-radius:18px}
    .gt-panel-head,.gt-result-head{align-items:flex-start}
    .gt-progress-number{display:none}
    .gt-check-row{grid-template-columns:32px 1fr}
    .gt-check-section{grid-column:2;justify-self:start}
    .gt-score-circle{width:104px;height:104px;border-width:8px}
    .gt-score-circle strong{font-size:34px}
}

.gt-five-page-note{
    margin:0 0 22px;
    padding:18px 20px;
    border:1px solid rgba(62,131,226,.20);
    border-radius:16px;
    background:linear-gradient(135deg,rgba(62,131,226,.08),rgba(62,131,226,.025));
    color:#42516a;
    line-height:1.55
}
.gt-five-page-note strong{
    display:block;
    color:var(--gt-blue-dark);
    font-size:15px;
    margin-bottom:4px
}
.gt-five-page-note span{display:block;font-size:14px}

.is-na .gt-check-icon{background:#eef1f5;color:#7f8a9b}
.is-na .gt-check-title{color:#657187}
.is-na .gt-check-message{color:#8b95a5}
.gt-scan-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:9px}
.gt-scan-meta span,.gt-limit-meta span{
    display:inline-flex;padding:6px 9px;border-radius:999px;background:#f0f4fa;
    color:#617087;font-size:11px;font-weight:700
}
.gt-five-page-note em{
    display:block;margin-top:8px;font-style:normal;font-weight:800;color:var(--gt-green)
}
.gt-limit-box{display:grid;grid-template-columns:70px minmax(0,1fr);gap:20px;align-items:start}
.gt-limit-icon{
    width:64px;height:64px;border-radius:50%;display:grid;place-items:center;
    font-size:30px;font-weight:900;background:rgba(24,166,106,.12);color:var(--gt-green)
}
.gt-limit-box h2{margin:12px 0 8px;font-size:28px;letter-spacing:-.025em}
.gt-limit-box p{margin:0;color:var(--gt-muted);line-height:1.6}
.gt-limit-meta{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0}
.gt-limit-box .gt-secondary-btn{width:auto;padding-left:18px;padding-right:18px}
@media (max-width:640px){
    .gt-limit-box{grid-template-columns:1fr}
}

.gt-calibration-btn{
    width:100%;
    margin-top:16px;
    border:1px dashed rgba(62,131,226,.45);
    background:rgba(62,131,226,.06);
    border-radius:12px;
    padding:12px;
    font-weight:800;
    color:var(--gt-blue-dark);
    cursor:pointer
}
.gt-calibration-btn:hover{background:rgba(62,131,226,.10)}
.gt-calibration-note{
    margin-top:7px;
    text-align:center;
    color:var(--gt-muted);
    font-size:11px
}

.gt-test-toggle-wrap{
    max-width:1120px;
    margin:14px auto 0;
    padding:14px 16px;
    border:1px dashed rgba(62,131,226,.30);
    border-radius:14px;
    background:rgba(62,131,226,.045);
    text-align:left
}
.gt-test-toggle{
    display:flex;
    align-items:center;
    gap:12px;
    cursor:pointer;
    user-select:none
}
.gt-test-toggle input{
    position:absolute;
    opacity:0;
    pointer-events:none
}
.gt-test-switch{
    position:relative;
    flex:0 0 46px;
    width:46px;
    height:26px;
    border-radius:999px;
    background:#cfd6e1;
    transition:.2s ease
}
.gt-test-switch::after{
    content:"";
    position:absolute;
    width:20px;
    height:20px;
    left:3px;
    top:3px;
    border-radius:50%;
    background:#fff;
    box-shadow:0 2px 7px rgba(0,0,0,.16);
    transition:.2s ease
}
.gt-test-toggle input:checked + .gt-test-switch{
    background:var(--gt-blue)
}
.gt-test-toggle input:checked + .gt-test-switch::after{
    transform:translateX(20px)
}
.gt-test-copy{
    display:flex;
    flex-direction:column;
    gap:2px
}
.gt-test-copy strong{
    font-size:13px;
    color:var(--gt-text)
}
.gt-test-copy small{
    font-size:12px;
    color:var(--gt-muted)
}
.gt-test-hint{
    margin:8px 0 0 58px;
    font-size:11px;
    line-height:1.45;
    color:var(--gt-muted)
}
@media (max-width:640px){
    .gt-test-hint{margin-left:0}
}


/* v1.3.9 Batch-Test */
.gt-domain-row textarea{
    flex:1 1 620px;
    min-width:0;
    min-height:92px;
    resize:vertical;
    border:1px solid var(--gt-line);
    border-radius:14px;
    padding:14px 16px;
    font:inherit;
    line-height:1.45;
    background:#fff;
    color:var(--gt-text);
    outline:none
}
.gt-domain-row textarea:focus{
    border-color:var(--gt-blue);
    box-shadow:0 0 0 3px rgba(62,131,226,.10)
}
.gt-domain-row #gt-start{align-self:stretch;min-height:92px}
.gt-batch-box{
    margin:16px 0 0;
    padding:14px;
    border:1px solid var(--gt-line);
    border-radius:14px;
    background:rgba(62,131,226,.035)
}
.gt-batch-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;margin-bottom:10px}
.gt-batch-head strong{font-size:14px}
.gt-batch-head span{font-size:12px;color:var(--gt-muted);word-break:break-all}
.gt-batch-results{display:grid;gap:6px;max-height:210px;overflow:auto}
.gt-batch-item{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:8px;align-items:center;padding:8px 10px;border-radius:10px;background:#fff;border:1px solid var(--gt-line);font-size:12px}
.gt-batch-item .gt-batch-state{width:22px;height:22px;display:grid;place-items:center;border-radius:50%;font-weight:800;background:#eef2f7}
.gt-batch-item.is-running .gt-batch-state{background:rgba(62,131,226,.12)}
.gt-batch-item.is-ok .gt-batch-state{background:rgba(35,155,86,.12)}
.gt-batch-item.is-error .gt-batch-state{background:rgba(210,53,53,.10)}
.gt-batch-item .gt-batch-url{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gt-batch-item .gt-batch-score{font-weight:800;white-space:nowrap}
.gt-batch-final{margin:14px 0 18px;padding:16px;border:1px solid var(--gt-line);border-radius:14px;background:#fff}
.gt-batch-final h3{margin:0 0 10px;font-size:16px}
.gt-batch-final-grid{display:grid;gap:7px}
.gt-batch-final-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:9px 10px;border-radius:10px;background:var(--gt-soft);font-size:13px}
.gt-batch-final-row span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gt-batch-final-row strong{white-space:nowrap}
@media(max-width:720px){
    .gt-domain-row{align-items:stretch}
    .gt-domain-row textarea{flex-basis:100%}
    .gt-domain-row #gt-start{min-height:50px;width:100%}
}


/* v1.4.1 – breiteres Layout, moderner Footer */
.gt-site-footer{
    width:min(1600px,calc(100% - 40px));
    margin:0 auto 30px;
    border:1px solid rgba(217,225,237,.95);
    border-radius:20px;
    background:rgba(255,255,255,.82);
    box-shadow:0 14px 45px rgba(23,32,51,.06);
    backdrop-filter:blur(10px)
}
.gt-footer-inner{
    min-height:72px;
    padding:18px 24px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px 28px
}
.gt-footer-copy{display:flex;align-items:center;flex-wrap:wrap;gap:7px 12px;color:var(--gt-muted);font-size:13px}
.gt-footer-copy strong{color:var(--gt-text)}
.gt-footer-links{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px 16px}
.gt-footer-links a{color:#536075;text-decoration:none;font-size:13px;font-weight:750;transition:.2s ease}
.gt-footer-links a:hover{color:var(--gt-blue);text-decoration:underline;text-underline-offset:3px}
@media(max-width:760px){
    .gt-site-footer{width:min(100% - 20px,1600px)}
    .gt-footer-inner{align-items:flex-start;flex-direction:column;padding:18px}
    .gt-footer-links{justify-content:flex-start}
}