:root{
  --canvas:#f4f6f8;--surface:#fff;--surface-2:#f0f3f5;--ink:#22303b;--muted:#657381;--faint:#81909d;--line:#dfe5e9;
  --blue:#2460c8;--blue-hover:#194ca5;--focus:#3188e8;--teal:#087e70;
  --summary:#eaf0f7;--summary-ink:#536576;--summary-muted:#637589;--summary-line:#b8c6d5;--summary-hover:#dbe5ef;--summary-btn:#293e52;
  --good:#08705d;--good-bg:#e6f4ee;--bad:#b22b37;--bad-bg:#fcecef;--warn:#966008;--warn-bg:#fff4dd;
  --notice-bg:#fff5dc;--notice-line:#e4cd90;--notice-ink:#775211;
  --wa:#1a9e55;--wa-hover:#15864a;--radius:8px;color-scheme:light
}
/* Karanlık tema: JS yoksa sistem tercihi, JS varsa data-theme belirler. */
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --canvas:#0f151b;--surface:#161e26;--surface-2:#1f2a34;--ink:#e3e9ee;--muted:#98a6b3;--faint:#728190;--line:#26323d;
  --blue:#4c86ea;--blue-hover:#3a74d8;--focus:#6aa3ff;--teal:#35c2ae;
  --summary:#172433;--summary-ink:#a9b8c7;--summary-muted:#8898a8;--summary-line:#35506d;--summary-hover:#1f3044;--summary-btn:#d4e1ee;
  --good:#4fd1a5;--good-bg:#12342b;--bad:#ff8691;--bad-bg:#3d1a20;--warn:#f0bd5c;--warn-bg:#3a2d12;
  --notice-bg:#2e250f;--notice-line:#5c4a1c;--notice-ink:#f0cf82;--wa:#1f9d57;--wa-hover:#25b566;color-scheme:dark
}}
:root[data-theme="dark"]{
  --canvas:#0f151b;--surface:#161e26;--surface-2:#1f2a34;--ink:#e3e9ee;--muted:#98a6b3;--faint:#728190;--line:#26323d;
  --blue:#4c86ea;--blue-hover:#3a74d8;--focus:#6aa3ff;--teal:#35c2ae;
  --summary:#172433;--summary-ink:#a9b8c7;--summary-muted:#8898a8;--summary-line:#35506d;--summary-hover:#1f3044;--summary-btn:#d4e1ee;
  --good:#4fd1a5;--good-bg:#12342b;--bad:#ff8691;--bad-bg:#3d1a20;--warn:#f0bd5c;--warn-bg:#3a2d12;
  --notice-bg:#2e250f;--notice-line:#5c4a1c;--notice-ink:#f0cf82;--wa:#1f9d57;--wa-hover:#25b566;color-scheme:dark
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--canvas)}
body{margin:0;background:var(--canvas);color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:15px;transition:background .2s,color .2s}
header{height:86px;padding:0 max(5vw,24px);display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line);background:var(--surface)}
a{color:inherit;text-decoration:none}
.brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:700;letter-spacing:-.6px;white-space:nowrap}
.brand-logo{display:block;width:44px;height:44px;border-radius:50%;flex-shrink:0;box-shadow:0 0 0 1px var(--line)}
.header-note{font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:28px}
.theme-switch{margin-left:auto;display:flex;gap:2px;padding:3px;background:var(--surface-2);border:1px solid var(--line);border-radius:8px}
.theme-switch button{font:inherit;font-size:12px;cursor:pointer;display:flex;align-items:center;gap:6px;min-height:30px;padding:0 10px;border:0;border-radius:6px;background:transparent;color:var(--muted)}
.theme-switch button:hover{color:var(--ink)}
.theme-switch button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.12)}
.help-link{font-size:14px;white-space:nowrap}
main{max-width:1240px;padding:38px 32px 0;margin:auto}
.eyebrow{display:flex;justify-content:space-between;font-size:11px;font-weight:700;letter-spacing:1.5px;color:var(--muted)}
.eyebrow span{font-weight:400}
.intro{display:flex;align-items:center;justify-content:space-between;gap:30px;margin:27px 0 30px}
h1{font-size:clamp(30px,3.4vw,44px);font-weight:600;letter-spacing:-1.6px;line-height:1.15;margin:0 0 16px;text-wrap:balance}
.intro p{color:var(--muted);line-height:1.7;margin:0;font-size:15px}
.privacy{display:flex;align-items:center;gap:14px;max-width:285px;font-size:13px;line-height:1.7;color:var(--muted)}
.privacy>span{font-size:32px;color:var(--teal)}
.privacy strong{color:var(--ink);font-weight:600}
.control-panel{display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:var(--radius);padding:26px 30px}
.section-label{font-size:10px;font-weight:700;letter-spacing:1.3px;color:var(--muted)}
.connection{display:flex;flex-direction:column;gap:8px;min-width:0}
.connection strong{font-size:27px;letter-spacing:-.5px;font-family:Consolas,monospace;overflow-wrap:anywhere}
.connection>span:last-child{font-size:12px;color:var(--muted)}
.primary,.share{font:inherit;cursor:pointer;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:6px;background:var(--blue);color:#fff;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:26px;transition:background .15s}
.primary:hover{background:var(--blue-hover)}
button:disabled{opacity:.55;cursor:not-allowed}
button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:4px}
.theme-switch button:focus-visible{outline-offset:1px}
.run{display:flex;flex-direction:column;align-items:stretch;gap:10px;min-width:247px}
.run>span{font-size:11px;color:var(--muted);text-align:center}
.status-line{display:flex;align-items:center;gap:9px;margin:18px 0 22px;color:var(--muted);font-size:12px;min-height:20px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--faint);flex-shrink:0}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 0}
.metrics article{padding:0 24px;border-right:1px solid var(--line);min-width:0}
.metrics article:last-child{border:0}
.metric-icon{font-size:23px;color:var(--muted);line-height:1}
h2{font-size:17px;margin:0;font-weight:600}
.metrics h2{font-size:12px;font-weight:500;color:var(--muted);margin:13px 0 14px}
.metrics strong{display:block;font-size:28px;font-weight:600;letter-spacing:-.5px;min-height:34px}
.metrics article:first-child strong{font-size:18px;letter-spacing:-.3px}
.metrics small{font-size:13px;color:var(--muted);font-weight:400;letter-spacing:0}
.metrics p{font-size:11px;line-height:1.6;color:var(--muted);margin:12px 0 0}
.details-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:25px;margin-top:26px}
.checks{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:10px}
.section-heading>span{font-size:11px;color:var(--muted)}
.check-row{display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding:20px 0}
.step-number{font:12px Consolas,monospace;color:var(--faint)}
.check-row h3{font-size:13px;margin:0 0 5px;font-weight:600}
.check-row p{font-size:11px;color:var(--muted);margin:0;line-height:1.6}
.badge{background:var(--surface-2);color:var(--muted);font-size:10px;padding:5px 8px;border-radius:4px;white-space:nowrap;margin-left:auto}
.good{color:var(--good)!important}
.bad{color:var(--bad)!important}
.warn{color:var(--warn)!important}
.badge.good{background:var(--good-bg)}
.badge.bad{background:var(--bad-bg)}
.badge.warn{background:var(--warn-bg)}
.summary{background:var(--summary);border-radius:var(--radius);padding:27px;display:flex;flex-direction:column;align-items:stretch}
.summary h2{font-size:23px;letter-spacing:-.6px;line-height:1.3;margin:21px 0 12px}
.summary p{color:var(--summary-ink);font-size:13px;line-height:1.8;margin:0 0 22px}
.share{background:var(--wa);color:#fff;font-size:13px;margin-top:auto}
.share-label{display:flex;align-items:center;gap:9px}
.share:hover:not(:disabled){background:var(--wa-hover)}
.summary small{color:var(--summary-muted);font-size:10px;margin-top:10px}
.help{display:grid;grid-template-columns:1fr 1.7fr;gap:40px;padding:40px 0}
.help h2{margin-top:12px;font-size:21px;letter-spacing:-.5px}
details{border-bottom:1px solid var(--line);padding:15px 0}
details:first-child{padding-top:0}
summary{cursor:pointer;font-size:13px;font-weight:500;line-height:1.6}
details p{font-size:12px;line-height:1.8;color:var(--muted)}
footer{display:flex;justify-content:space-between;gap:15px;padding:23px 0;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}
footer span span{padding:0 10px}
.notice{padding:15px;margin-bottom:20px;border:1px solid var(--notice-line);background:var(--notice-bg);color:var(--notice-ink);font-size:12px;line-height:1.6;border-radius:6px}
[hidden]{display:none!important}
@media(max-width:980px){.theme-switch .label{display:none}.theme-switch button{padding:0 9px;font-size:14px}}
@media(max-width:850px){.privacy{display:none}.metrics{grid-template-columns:repeat(2,1fr);padding:0}.metrics article{padding:22px;border-bottom:1px solid var(--line)}.metrics article:nth-child(2){border-right:0}.metrics article:nth-child(3){border-bottom:0}.details-grid{grid-template-columns:1fr}.help{grid-template-columns:1fr;gap:20px}.summary h2{margin-top:16px}.header-note{display:none}}
@media(max-width:520px){header{height:70px;padding:0 16px;gap:12px}.brand{font-size:19px}.brand-logo{width:38px;height:38px}.help-link{display:none}main{padding:25px 16px 0}.eyebrow span{display:none}.intro{margin:24px 0}.intro h1{font-size:31px;letter-spacing:-1px}.intro p{font-size:13px}.control-panel{flex-direction:column;align-items:stretch;padding:22px}.connection strong{font-size:23px}.run{min-width:0}.metrics article{padding:18px 14px}.metrics strong{font-size:25px}.metrics article:first-child strong{font-size:16px}.checks{padding:19px 15px}.check-row{gap:10px}.step-number{display:none}.check-row p{max-width:205px}.section-heading>span{font-size:10px}.badge{font-size:9px;padding:5px}.help{padding:30px 0}footer{flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}