:root{color-scheme:light;--bg:#f7f8f6;--surface:#ffffff;--surface-muted:#eef2f3;--ink:#15201f;--muted:#61706f;--border:#dbe2e1;--accent:#0f766e;--accent-dark:#115e59;--accent-soft:#d9f4ef;--warning:#8a4b10;--shadow:0 16px 38px rgba(21,32,31,0.08)}*{box-sizing:border-box}body,html{background:var(--bg)}body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}textarea{min-height:240px;resize:vertical;padding:14px;line-height:1.5}input,select{padding:11px 12px}button{border:0;cursor:pointer;font-weight:700}.button-link,button{border-radius:8px;background:var(--accent);color:white;padding:11px 14px}.button-link{display:inline-flex;font-weight:800}.button-link.secondary,button.secondary{border:1px solid var(--border);background:var(--surface);color:var(--ink)}.button-link:hover,button:hover{background:var(--accent-dark)}.button-link.secondary:hover,button.secondary:hover{background:var(--surface-muted)}button:disabled,button:disabled:hover{background:var(--surface-muted);color:var(--muted);cursor:not-allowed}.site-shell{min-height:100vh}.site-header{border-bottom:1px solid var(--border);background:rgba(247,248,246,.88);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:-webkit-sticky;position:sticky;top:0;z-index:10}.container,.site-header__inner{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header__inner{justify-content:space-between;min-height:68px;gap:18px}.brand,.site-header__inner{display:flex;align-items:center}.brand{gap:10px;font-weight:800}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--accent);color:white}.nav-links{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:.95rem}.nav-links a:hover{color:var(--ink)}.main{padding:42px 0 64px}.hero{display:grid;grid-gap:18px;gap:18px;margin-bottom:34px}.eyebrow{color:var(--accent-dark);font-size:.82rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.1rem,4vw,4rem);line-height:1.02;margin-bottom:0;max-width:820px}h2{font-size:1.55rem;margin-bottom:16px}h3{margin-bottom:8px}.lede,h3{font-size:1.08rem}.lede{color:var(--muted);line-height:1.65;max-width:760px}.grid{display:grid;grid-gap:16px;gap:16px}.tool-grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}.category-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));margin-top:28px}.card{border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.tool-card{display:flex;min-height:172px;flex-direction:column;justify-content:space-between;gap:18px;padding:18px}.tool-card p{color:var(--muted);line-height:1.55;margin-bottom:0}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:.78rem;font-weight:700;padding:5px 9px}.tag-link:hover{border-color:var(--accent);color:var(--accent-dark)}.section{margin-top:42px}.section-heading-row{align-items:baseline;display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between}.section-heading-row a{color:var(--accent-dark);font-weight:800}.not-found-hero{max-width:780px}.recovery-list{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.search-form{display:grid;grid-gap:8px;gap:8px;max-width:620px}.search-form label{color:var(--ink);font-weight:800}.search-row{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:10px;gap:10px}.result-note{color:var(--muted);margin-bottom:18px}.empty-state{border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--muted);margin-top:16px;padding:18px}.tool-layout{grid-template-columns:minmax(0,1fr) 280px;grid-gap:24px}.guide-layout,.tool-layout{display:grid;gap:24px;align-items:start}.guide-layout{grid-template-columns:minmax(0,1fr) 300px;grid-gap:24px}.guide-layout>*,.tool-layout>*{min-width:0}.docs-panel,.side-panel,.tool-panel{border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow);padding:18px}.workspace{display:grid;grid-gap:16px;gap:16px}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.toolbar label{display:grid;grid-gap:6px;gap:6px;min-width:160px}.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.form-grid label{display:grid;grid-gap:6px;gap:6px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:12px;gap:12px}.stat{border:1px solid var(--border);border-radius:8px;background:var(--surface-muted);padding:14px}.stat strong{display:block;font-size:1.65rem}.stat span{color:var(--muted);font-size:.86rem}.error{border:1px solid #f5c2b5;border-radius:8px;background:#fff4ef;color:#842b16;padding:12px}.success{border:1px solid #b7e7d2;border-radius:8px;background:#effcf6;color:#176044;padding:12px}.notice,.warning{border:1px solid #f1d3a4;border-radius:8px;background:#fff8ea;color:var(--warning);padding:12px}.notice{border-color:var(--border);background:var(--surface-muted);color:var(--muted)}.copy-note{color:var(--accent-dark);font-weight:800}.option-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));grid-gap:10px;gap:10px}.option-grid label{align-items:center;border:1px solid var(--border);border-radius:8px;display:flex;gap:10px;padding:10px 12px}.option-grid input{width:auto}.preview-panel{border:1px solid var(--border);border-radius:8px;display:grid;grid-gap:12px;gap:12px;padding:14px}.table-scroll{overflow-x:auto}.preview-panel table{border-collapse:collapse;width:100%}.preview-panel td,.preview-panel th{border:1px solid var(--border);padding:9px 10px;text-align:left}.preview-panel th{background:var(--surface-muted)}.serp-preview{background:#fbfcfb}.serp-card{max-width:680px}.serp-url{color:#31533f;font-size:.9rem;margin-bottom:4px;overflow-wrap:anywhere}.serp-title{color:#1a0dab;font-size:1.25rem;line-height:1.3;margin-bottom:4px}.serp-card p{color:#4d5156;line-height:1.45;margin:0}.diff-panel{border:1px solid var(--border);border-radius:8px;background:#fbfcfb;display:grid;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.92rem;line-height:1.55;overflow-x:auto;padding:12px;white-space:pre-wrap}.diff-part{border-left:3px solid transparent;display:block;padding:2px 8px}.diff-part--added{background:#eaf8ef;border-left-color:#2f8f55}.diff-part--removed{background:#fff0ed;border-left-color:#d05b43}.diff-part--unchanged,.example-list{color:var(--muted)}.example-list{line-height:1.65;margin:0;padding-left:20px}.example-list code{color:var(--ink);font-size:.9em}.link-list{display:grid;grid-gap:10px;gap:10px;padding:0;margin:0;list-style:none}.link-list a{color:var(--accent-dark);font-weight:700}.guide-callout{border-bottom:1px solid var(--border);margin-bottom:18px;padding-bottom:18px}.guide-content{display:grid;grid-gap:28px;gap:28px}.guide-content section{min-width:0;scroll-margin-top:92px}.guide-content h2{margin-bottom:10px}.guide-content p{color:var(--muted);line-height:1.7}.guide-content pre{background:var(--surface-muted);border:1px solid var(--border);border-radius:8px;overflow-x:auto;padding:14px}.guide-content table{border-collapse:collapse;min-width:720px;width:100%}.guide-content .table-scroll{max-width:100%;min-width:0;overflow-x:auto;width:100%}.guide-content td,.guide-content th{border:1px solid var(--border);padding:10px;text-align:left;vertical-align:top}.guide-content th{background:var(--surface-muted)}.tool-help{display:grid;grid-gap:24px;gap:24px;margin-top:24px}.tool-help__grid{display:grid;grid-gap:20px;gap:20px;grid-template-columns:repeat(2,minmax(0,1fr))}.tool-help h2,.tool-help h3{margin-bottom:10px}.guide-tool-links{margin-top:12px}.faq-list{display:grid;grid-gap:10px;gap:10px}.faq-list details{border:1px solid var(--border);border-radius:8px;background:var(--surface-muted);padding:12px}.faq-list summary{cursor:pointer;font-weight:800}.faq-list p{margin:10px 0 0}.side-panel__section{margin-top:24px}.trust-panel{border-bottom:1px solid var(--border);margin-bottom:18px;padding-bottom:18px}.trust-panel h2{font-size:1.08rem;margin-bottom:10px}.trust-panel ul{color:var(--muted);display:grid;grid-gap:8px;gap:8px;line-height:1.55;margin:0;padding-left:20px}.breadcrumbs{color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;font-size:.9rem;margin-bottom:18px}.breadcrumbs a{color:var(--accent-dark)}.footer{border-top:1px solid var(--border);color:var(--muted);padding:28px 0}.footer__inner{align-items:center;display:flex;flex-wrap:wrap;gap:14px 24px;justify-content:space-between}.footer__inner p{margin:0}.footer-links{display:flex;flex-wrap:wrap;gap:12px}.footer-links a{color:var(--accent-dark);font-weight:700}.docs-panel{line-height:1.65}.legal-page{max-width:840px}.legal-page h2:not(:first-child){margin-top:28px}.legal-page p{color:var(--muted)}.legal-page a{color:var(--accent-dark);font-weight:700}.docs-panel code{background:var(--surface-muted);border-radius:6px;padding:2px 5px}@media (max-width:820px){.site-header__inner{align-items:flex-start;flex-direction:column;padding:14px 0}.form-grid,.guide-layout,.search-row,.split,.tool-help__grid,.tool-layout{grid-template-columns:1fr}.nav-links{width:100%;overflow-x:auto;padding-bottom:2px}}