:root{
  --tb-green:#348A63;
  --tb-green-dark:#287553;
  --tb-green-soft:#EEF7F2;
  --tb-charcoal:#29323D;
  --tb-text:#111827;
  --tb-muted:#5F6B7A;
  --tb-line:#DDE5E1;
  --tb-bg:#F8FAF9;
  --tb-white:#FFFFFF;
  --tb-danger:#B42318;
  --tb-danger-soft:#FEF3F2;
  --tb-warn:#9A6700;
  --tb-warn-soft:#FFF8E6;
  --tb-blue:#1A0DAB;
  --tb-google-text:#4D5156;
  --tb-google-green:#202124;
}
*{box-sizing:border-box}
html{background:transparent}
body{margin:0;background:transparent;color:var(--tb-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.tb-serp-app{width:100%;padding:2px 0 8px}
.tb-serp-shell{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:20px;align-items:start}
.tb-card{background:var(--tb-white);border:1px solid var(--tb-line);border-radius:22px;box-shadow:0 16px 42px rgba(17,24,39,.055);overflow:hidden}
.tb-card--editor{padding:26px}
.tb-card--preview{padding:24px;position:sticky;top:18px}
.tb-card-head,.tb-preview-head,.tb-output-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.tb-eyebrow{margin:0 0 7px;color:var(--tb-green-dark);font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}
h2{margin:0;color:var(--tb-text);font-size:clamp(22px,2.4vw,30px);line-height:1.12;letter-spacing:-.03em}
.tb-intro{max-width:720px;margin:10px 0 0;color:var(--tb-muted);font-size:14px;line-height:1.65}
.tb-notice{display:flex;gap:10px;margin:22px 0 6px;padding:13px 15px;background:var(--tb-green-soft);border:1px solid #D6E9DF;border-radius:14px;color:#355546;font-size:13px;line-height:1.55}
.tb-notice strong{white-space:nowrap;color:var(--tb-green-dark)}
.tb-fieldset{margin:22px 0 0;padding:0;border:0}
.tb-fieldset legend{width:100%;padding:0 0 12px;border-bottom:1px solid var(--tb-line);font-size:14px;font-weight:800;color:var(--tb-charcoal)}
.tb-field{position:relative;margin-top:15px}
.tb-field label{display:block;margin-bottom:7px;color:#28323D;font-size:13px;font-weight:750}
.tb-field input,.tb-field textarea,.tb-field select{width:100%;border:1px solid #CCD7D2;border-radius:11px;background:#fff;color:var(--tb-text);outline:0;transition:border-color .16s,box-shadow .16s,background .16s}
.tb-field input,.tb-field select{min-height:45px;padding:10px 12px}
.tb-field textarea{padding:11px 12px;line-height:1.5;resize:vertical}
.tb-field input:focus,.tb-field textarea:focus,.tb-field select:focus{border-color:var(--tb-green);box-shadow:0 0 0 3px rgba(52,138,99,.13)}
.tb-grid{display:grid;gap:14px}
.tb-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.tb-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.tb-help,.tb-error{margin:6px 0 0;font-size:12px;line-height:1.45}
.tb-help{color:#74808D}.tb-error{color:var(--tb-danger);font-weight:650}
.tb-meter-row{display:flex;justify-content:space-between;gap:12px;margin:7px 1px 5px;color:#6A7683;font-size:11px}
.tb-meter{height:5px;background:#E8EEEB;border-radius:999px;overflow:hidden}
.tb-meter span{display:block;width:0;height:100%;background:var(--tb-green);border-radius:inherit;transition:width .15s,background .15s}
.tb-meter span.is-warning{background:#D49B00}.tb-meter span.is-over{background:var(--tb-danger)}
.tb-details{margin-top:22px;border:1px solid var(--tb-line);border-radius:14px;background:#FCFDFC;overflow:hidden}
.tb-details summary{padding:14px 16px;font-size:13px;font-weight:800;color:var(--tb-charcoal);cursor:pointer;list-style-position:inside}
.tb-details-body{padding:0 16px 16px;border-top:1px solid var(--tb-line)}
.tb-check{display:flex;align-items:flex-start;gap:9px;margin-top:15px;color:#3E4955;font-size:13px;line-height:1.45}
.tb-check input{margin-top:2px;accent-color:var(--tb-green)}
.tb-form-actions{display:flex;justify-content:flex-end;margin-top:18px}
.tb-btn{border:0;border-radius:10px;padding:10px 14px;font-size:12px;font-weight:800;line-height:1.2;transition:transform .12s,background .12s,border-color .12s}
.tb-btn:active{transform:translateY(1px)}
.tb-btn:focus-visible,.tb-device-toggle button:focus-visible{outline:3px solid rgba(52,138,99,.22);outline-offset:2px}
.tb-btn--primary{background:var(--tb-green);color:#fff}.tb-btn--primary:hover{background:var(--tb-green-dark)}
.tb-btn--secondary{background:#F3F6F4;color:#2E3A44;border:1px solid #D6E0DB}.tb-btn--secondary:hover{background:#EBF2EE}
.tb-btn--ghost{background:#fff;color:var(--tb-green-dark);border:1px solid #CBDDD4;white-space:nowrap}.tb-btn--ghost:hover{background:var(--tb-green-soft)}
.tb-btn--danger-ghost{background:#fff;color:var(--tb-danger);border:1px solid #F1C8C4}.tb-btn--danger-ghost:hover{background:var(--tb-danger-soft)}
.tb-device-toggle{display:flex;padding:3px;border:1px solid var(--tb-line);background:#F4F7F5;border-radius:10px}
.tb-device-toggle button{border:0;background:transparent;color:#68737E;border-radius:7px;padding:7px 10px;font-size:11px;font-weight:800}
.tb-device-toggle button.is-active{background:#fff;color:var(--tb-green-dark);box-shadow:0 1px 4px rgba(17,24,39,.08)}
.tb-serp-preview{margin-top:22px;padding:20px;border:1px solid #E2E5E8;border-radius:16px;background:#fff;max-width:690px;overflow:hidden}
.tb-serp-preview[data-device="mobile"]{max-width:390px;padding:17px}
.tb-result-source{display:flex;align-items:center;gap:10px;min-width:0}
.tb-favicon{width:26px;height:26px;display:grid;place-items:center;flex:0 0 auto;border-radius:50%;background:#F1F3F4;color:#4B5563;border:1px solid #E0E4E7;font-size:12px;font-weight:800}
.tb-source-copy{min-width:0;flex:1}.tb-source-name{font-family:Arial,sans-serif;color:#202124;font-size:14px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tb-source-url{margin-top:2px;font-family:Arial,sans-serif;color:#4D5156;font-size:12px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-dots{font-family:Arial,sans-serif;font-size:19px;color:#5F6368;line-height:1}
.tb-result-title{margin-top:8px;font-family:Arial,sans-serif;color:#1A0DAB;font-size:20px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-serp-preview[data-device="mobile"] .tb-result-title{font-size:19px}
.tb-result-description{margin-top:4px;font-family:Arial,sans-serif;color:#4D5156;font-size:14px;line-height:1.52;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
#previewDate{color:#70757A;margin-right:5px}
.tb-preview-status{min-height:44px;margin-top:10px;padding:10px 12px;border-radius:11px;background:#F7F9F8;color:#61707B;font-size:12px;line-height:1.45}
.tb-preview-status strong{color:#35434E}
.tb-output-head{margin-top:24px;padding-top:22px;border-top:1px solid var(--tb-line)}
.tb-output-head h2{font-size:20px}
.tb-status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:28px;padding:5px 9px;border-radius:999px;background:#F1F4F2;color:#65726B;font-size:11px;font-weight:800;white-space:nowrap}
.tb-status-pill.is-ready{background:var(--tb-green-soft);color:var(--tb-green-dark)}
.tb-status-pill.is-error{background:var(--tb-danger-soft);color:var(--tb-danger)}
.tb-code-wrap{margin-top:14px;border:1px solid #DCE4E0;border-radius:14px;background:#17212B;overflow:hidden}
.tb-code{min-height:235px;max-height:360px;margin:0;padding:16px;overflow:auto;color:#DDEEE5;font:12px/1.62 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;white-space:pre-wrap;word-break:break-word;tab-size:2}
.tb-output-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tb-action-status{min-height:18px;margin:7px 0 0;color:var(--tb-green-dark);font-size:12px}
@media (max-width:980px){.tb-serp-shell{grid-template-columns:1fr}.tb-card--preview{position:static}.tb-serp-preview{max-width:none}}
@media (max-width:680px){.tb-card--editor,.tb-card--preview{padding:18px;border-radius:16px}.tb-card-head,.tb-preview-head,.tb-output-head{gap:12px;flex-direction:column}.tb-grid--2,.tb-grid--3{grid-template-columns:1fr}.tb-notice{flex-direction:column;gap:3px}.tb-notice strong{white-space:normal}.tb-meter-row{flex-direction:column;gap:2px}.tb-output-actions .tb-btn{width:100%}.tb-btn--ghost{align-self:flex-start}.tb-device-toggle{align-self:flex-start}.tb-serp-preview[data-device="mobile"],.tb-serp-preview{max-width:100%}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}