:root{--bg-1:#f5f5f5;--bg-2:#f0f0f0;--surface:#ffffff;--surface-2:#f0f1f3;--text:#1f1f1f;--text-2:#4a4a4a;--muted:#6c6c6c;--border:#e6e6e6;--accent:#05989e;--accent-2:#07b3ba;--accent-ink:#ffffff;--btn-bg:#057a80;--btn-bg-hover:#046b70;--ok:#2e9e5b;--err:#e23b3b;--warn:#d9920b;--shadow:0 10px 30px rgba(0, 0, 0, 0.08);--radius:16px;--radius-sm:8px;--mono:"SFMono-Regular","JetBrains Mono","Fira Code",Consolas,"Liberation Mono",Menlo,monospace;--sans:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}[data-theme=dark]{--bg-1:#1d1e20;--bg-2:#1a1b1d;--surface:#2e2e33;--surface-2:#37383e;--text:#dadadb;--text-2:#bcbdbe;--muted:#a6a7a8;--border:#333333;--accent:#19b3ba;--accent-2:#2bc6cd;--ok:#3cb371;--err:#ff7b7b;--shadow:0 10px 30px rgba(0, 0, 0, 0.45)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-1:#1d1e20;--bg-2:#1a1b1d;--surface:#2e2e33;--surface-2:#37383e;--text:#dadadb;--text-2:#bcbdbe;--muted:#a6a7a8;--border:#333333;--accent:#19b3ba;--accent-2:#2bc6cd;--ok:#3cb371;--err:#ff7b7b;--shadow:0 10px 30px rgba(0, 0, 0, 0.45)}}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--sans);background:linear-gradient(135deg,var(--bg-1) 0,var(--bg-2) 100%);color:var(--text);min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:1.25rem;line-height:1.55;transition:background .3s,color .3s}.tool-container{background:var(--surface);width:100%;max-width:860px;margin:auto;padding:clamp(1.25rem,4vw,2rem);border-radius:var(--radius);box-shadow:var(--shadow);transition:background 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1.5rem;font-size:1rem}.field{margin-bottom:1rem}.field>label{display:block;font-weight:600;margin-bottom:.4rem;color:var(--text)}.hint{color:var(--muted);font-size:.85rem;margin-top:.3rem}.row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}.grid{display:grid;gap:.85rem}.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}input[type=number],input[type=password],input[type=text],input[type=url],select,textarea{width:100%;font-family:var(--sans);font-size:1rem;color:var(--text);background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-sm);padding:.7rem .8rem;transition:border-color .2s,box-shadow .2s}input:focus,select:focus,textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(5,152,158,.2)}textarea{min-height:140px;resize:vertical}.mono,input.mono,pre.mono,textarea.mono{font-family:var(--mono);font-variant-ligatures:none}select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238895a5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right .7rem center;background-size:1.1em;padding-right:2.2rem}.btn{font-family:inherit;font-size:1rem;font-weight:600;border:2px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:var(--radius-sm);padding:.65rem 1.1rem;cursor:pointer;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:.4rem}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--btn-bg);border-color:var(--btn-bg);color:var(--accent-ink)}.btn-primary:hover{background:var(--btn-bg-hover);border-color:var(--btn-bg-hover);color:var(--accent-ink)}.btn-block{width:100%}.btn-sm{padding:.4rem .7rem;font-size:.85rem}.output,.result{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:1rem;margin-top:1rem}.output pre,pre.output{font-family:var(--mono);white-space:pre-wrap;word-break:break-word;color:var(--text);font-size:.92rem}.big-value{font-size:clamp(1.5rem, 5vw, 2.2rem);font-weight:700;color:var(--accent);word-break:break-word}.badge{display:inline-block;padding:.15rem .55rem;border-radius:999px;border:1px solid var(--border);font-size:.8rem;color:var(--text-2)}.is-ok{color:var(--ok)}.is-err{color:var(--err)}.is-warn{color:var(--warn)}.seo-guide{margin-top:2.5rem;padding-top:1.75rem;border-top:1px solid var(--border);color:var(--text);text-align:left}.seo-guide h2{font-size:1.35rem;margin:1.5rem 0 .75rem}.seo-guide h3{font-size:1.12rem;margin:1.25rem 0 .5rem}.seo-guide li,.seo-guide p{color:var(--text-2);line-height:1.7;margin-bottom:.6rem}.seo-guide ol,.seo-guide ul{margin-left:1.4rem;margin-bottom:.8rem}.faq details{border:1px solid var(--border);border-radius:var(--radius-sm);padding:.4rem .9rem;margin-bottom:.6rem;background:var(--surface-2)}.faq summary{cursor:pointer;font-weight:600;padding:.55rem 0;color:var(--text)}.faq details[open] summary{color:var(--accent)}.faq details p{padding-bottom:.6rem}.tool-breadcrumb{font-size:.85rem;color:var(--muted);height:1.25rem;line-height:1.25rem;margin:-1.5rem 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tool-breadcrumb 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.2s}.tool-footer a:hover{color:var(--accent)}.tool-footer .sep{color:var(--muted)}#pd-toast{position:fixed;left:50%;bottom:1.5rem;transform:translateX(-50%) translateY(150%);background:var(--text);color:var(--surface);padding:.6rem 1.1rem;border-radius:999px;font-size:.9rem;font-weight:600;box-shadow:var(--shadow);opacity:0;transition:transform .3s,opacity .3s;z-index:9999;pointer-events:none}#pd-toast.show{transform:translateX(-50%) translateY(0);opacity:1}.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media (max-width:600px){body{padding:.75rem}.tool-header{justify-content:center}}