*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:#0f172a;background:#fff;line-height:1.65}a{text-decoration:none;color:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}.narrow{width:min(820px,calc(100% - 40px))}.site-header{height:76px;border-bottom:1px solid #e9eef5;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{font-size:20px;font-weight:850;display:flex;align-items:center;gap:10px}.brand img{height:38px;max-width:190px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--primary);color:#fff}.site-header nav{display:flex;gap:26px;font-size:14px;font-weight:650;color:#475569}.site-header nav a:hover{color:var(--primary)}.btn,.search-box button,.tool-workspace button{border:0;border-radius:12px;background:var(--primary);color:white;padding:13px 20px;font-weight:750;cursor:pointer;display:inline-block}.btn-sm{padding:10px 15px;font-size:13px}.hero{padding:105px 0 88px;background:radial-gradient(circle at 50% 0,#dbeafe 0,transparent 44%),linear-gradient(#f8fbff,#fff)}.hero-inner{text-align:center;max-width:850px}.badge,.eyebrow{font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase;color:var(--primary)}.badge{display:inline-block;background:#eff6ff;border:1px solid #bfdbfe;border-radius:99px;padding:8px 12px}.hero h1,.page-hero h1{font-size:clamp(42px,6vw,72px);line-height:1.05;letter-spacing:-.045em;margin:22px 0}.hero h1 span{color:var(--primary)}.hero p,.page-hero p{font-size:18px;color:#64748b}.search-box{display:flex;max-width:680px;margin:34px auto 18px;background:white;border:1px solid #dbe4ef;padding:7px;border-radius:16px;box-shadow:0 20px 50px rgba(15,23,42,.1)}.search-box input{flex:1;border:0;outline:0;padding:12px;font-size:16px}.search-box.compact{margin-left:0}.hero-pills{display:flex;gap:20px;justify-content:center;color:#64748b;font-size:13px}.section{padding:82px 0}.soft{background:#f8fafc}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:30px}.section-head h2,.cta h2{font-size:36px;letter-spacing:-.03em;margin:5px 0}.section-head a{font-weight:750;color:var(--primary)}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{position:relative;display:grid;grid-template-columns:auto 1fr;gap:16px;padding:24px;border:1px solid #e5eaf1;border-radius:18px;background:#fff;transition:.2s}.tool-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(15,23,42,.08);border-color:#bfdbfe}.tool-icon{width:50px;height:50px;border-radius:14px;background:#eff6ff;display:grid;place-items:center;font-size:24px}.tool-icon.big{width:74px;height:74px;margin:0 auto 14px;font-size:34px}.tool-card h3{margin:8px 0 5px;font-size:18px}.tool-card p{margin:0;color:#64748b;font-size:14px}.chip{font-size:10px;text-transform:uppercase;font-weight:850;letter-spacing:.09em;color:var(--primary)}.arrow{position:absolute;right:16px;top:15px;color:#94a3b8}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.category-grid a{display:flex;flex-direction:column;padding:22px;border:1px solid #e5eaf1;border-radius:16px;background:#fff}.category-grid span{color:#64748b;font-size:13px}.cta{background:#0f172a;color:#fff;border-radius:26px;padding:46px;display:flex;justify-content:space-between;align-items:center}.cta p{color:#94a3b8}.page-hero{text-align:center;padding:78px 0;background:#f8fafc;border-bottom:1px solid #edf1f6}.page-hero h1{font-size:52px;margin:15px 0}.tool-head p{max-width:700px;margin:auto}.tool-workspace,.content-card{background:#fff;border:1px solid #e4e9f0;border-radius:20px;padding:28px;box-shadow:0 12px 40px rgba(15,23,42,.05)}.tool-workspace{margin-bottom:24px}.tool-workspace textarea,.tool-workspace input,.form input,.form textarea{width:100%;border:1px solid #d8e0ea;border-radius:12px;padding:13px;font:inherit;outline:0}.tool-workspace textarea:focus,.tool-workspace input:focus,.form input:focus,.form textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #dbeafe}.tool-workspace label,.form label{display:grid;gap:8px;font-weight:700;margin-bottom:15px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:15px}.result-grid div,.result-box{background:#f8fafc;border:1px solid #e5eaf1;border-radius:14px;padding:20px}.result-grid strong{display:block;font-size:28px}.result-grid span{color:#64748b}.result-box{margin-top:15px;min-height:65px}.big-result{font-size:42px;font-weight:850;text-align:center}.mono{font-family:ui-monospace,monospace}.content-card h2{margin-top:25px}.prose{font-size:16px}.prose h2{font-size:28px}.prose p{color:#475569}.site-footer{background:#07111f;color:#cbd5e1;padding:65px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}.footer-grid h4{color:#fff}.footer-grid a{display:block;margin:8px 0;color:#94a3b8}.footer-brand{color:#fff}.copyright{border-top:1px solid #1e293b;margin-top:40px;padding-top:20px;font-size:13px;color:#64748b}.alert{padding:13px 16px;border-radius:12px;margin-bottom:18px}.alert.success{background:#ecfdf5;color:#047857}.alert.error{background:#fef2f2;color:#b91c1c}.empty{padding:40px;text-align:center;color:#64748b}
@media(max-width:850px){.site-header nav{display:none}.tool-grid{grid-template-columns:repeat(2,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.cta{display:block}.hero-pills{flex-wrap:wrap}.page-hero h1{font-size:42px}}
@media(max-width:560px){.container,.narrow{width:min(100% - 24px,1160px)}.site-header .btn-sm{display:none}.hero{padding:72px 0}.hero h1{font-size:44px}.tool-grid,.category-grid,.footer-grid,.form-grid{grid-template-columns:1fr}.tool-card{padding:19px}.section{padding:58px 0}.result-grid{grid-template-columns:1fr}.search-box{border-radius:13px}.search-box button{padding:10px}.cta{padding:30px}.page-hero{padding:55px 0}.page-hero h1{font-size:38px}}

body.theme-midnight{background:#08111f;color:#e5edf7}body.theme-midnight .site-header{background:#0a1424eF;border-color:#1e2c40}body.theme-midnight .site-header nav,body.theme-midnight .hero p,body.theme-midnight .page-hero p{color:#a8b7ca}body.theme-midnight .hero,body.theme-midnight .page-hero,body.theme-midnight .soft{background:#0b1627}body.theme-midnight .tool-card,body.theme-midnight .tool-workspace,body.theme-midnight .content-card,body.theme-midnight .category-grid a{background:#101d30;border-color:#24344b}body.theme-midnight .tool-card p,body.theme-midnight .prose p{color:#a8b7ca}body.theme-emerald{--primary:#059669}body.theme-emerald .hero{background:radial-gradient(circle at 50% 0,#d1fae5 0,transparent 44%),linear-gradient(#f4fcf8,#fff)}body.theme-emerald .brand-mark,body.theme-emerald .btn,body.theme-emerald .search-box button,body.theme-emerald .tool-workspace button{background:#059669}


/* v2.3 Navigation Builder */
.main-navigation{display:flex;align-items:center;gap:26px}.main-navigation .nav-item{position:relative}.main-navigation .nav-item>a{display:flex;align-items:center;gap:5px;padding:26px 0}.dropdown-arrow{font-size:12px;transition:.2s}.nav-dropdown{position:absolute;left:50%;top:calc(100% - 5px);min-width:210px;padding:8px;background:#fff;border:1px solid #e5eaf1;border-radius:14px;box-shadow:0 20px 45px rgba(15,23,42,.13);opacity:0;visibility:hidden;transform:translate(-50%,8px);transition:.18s;display:grid;gap:2px}.nav-dropdown a{padding:10px 12px;border-radius:9px;white-space:nowrap;color:#475569}.nav-dropdown a:hover{background:#eff6ff;color:var(--primary)}.has-dropdown:hover .nav-dropdown,.has-dropdown:focus-within .nav-dropdown{opacity:1;visibility:visible;transform:translate(-50%,0)}.has-dropdown:hover .dropdown-arrow{transform:rotate(180deg)}.menu-highlight>a{color:var(--primary)!important}.theme-midnight .nav-dropdown{background:#101d30;border-color:#24344b}.theme-midnight .nav-dropdown a{color:#cbd5e1}.theme-midnight .nav-dropdown a:hover{background:#17263b}.order-input{width:68px!important;padding:7px!important}
@media(max-width:850px){.main-navigation{display:none}}

/* v2.4 premium experience */
body{--radius:16px}.theme-radius-rounded{--radius:24px}.theme-radius-sharp{--radius:8px}.hero-inner{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);align-items:center;gap:64px;text-align:left}.hero-copy h1{margin-inline:0}.hero-copy .search-box{margin-inline:0}.hero-copy .hero-pills{justify-content:flex-start}.hero-showcase{position:relative;min-height:380px;display:grid;place-items:center}.hero-orb{width:240px;height:240px;border-radius:50%;display:grid;place-content:center;text-align:center;background:linear-gradient(145deg,var(--primary),#7c3aed);color:#fff;box-shadow:0 35px 90px rgba(37,99,235,.28)}.hero-orb strong{font-size:68px;line-height:1}.hero-orb span{font-weight:750}.floating-card{position:absolute;background:#fff;border:1px solid #e8edf5;border-radius:18px;padding:16px 18px;box-shadow:0 22px 55px rgba(15,23,42,.12);display:grid;grid-template-columns:auto 1fr;gap:2px 12px;min-width:210px}.floating-card b{grid-row:1/3;font-size:25px}.floating-card span{font-weight:800}.floating-card small{color:#64748b}.fc-one{left:0;top:44px}.fc-two{right:0;bottom:48px}.trust-strip{border-block:1px solid #e9eef5;background:#fff}.trust-strip .container{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px;color:#94a3b8;font-size:12px;letter-spacing:.12em}.trust-strip span{letter-spacing:0;color:#64748b}.section-head p{margin:5px 0 0;color:#64748b}.premium-grid .tool-card{min-height:210px}.tool-card small{color:#94a3b8}.category-grid a{position:relative;padding:24px}.category-symbol{width:40px;height:40px;border-radius:12px;background:#eff6ff;color:var(--primary);display:grid;place-items:center;margin-bottom:22px}.category-grid i{position:absolute;right:22px;top:22px;font-style:normal}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.value-grid article{padding:32px;border-top:2px solid #dbe4f0}.value-grid article>span{color:var(--primary);font-size:12px;font-weight:900;letter-spacing:.12em}.value-grid h3{font-size:22px;margin:16px 0 8px}.value-grid p{color:#64748b;margin:0}.premium-cta{background:linear-gradient(135deg,#0f172a,#1e3a8a);color:#fff}.premium-cta p{color:#cbd5e1}.theme-aurora{background:#f8f8ff}.theme-aurora .hero{background:radial-gradient(circle at 15% 10%,#dbeafe,transparent 30%),radial-gradient(circle at 85% 20%,#f5d0fe,transparent 28%),linear-gradient(#fafaff,#fff)}.theme-aurora .tool-card,.theme-aurora .category-grid a{background:rgba(255,255,255,.72);backdrop-filter:blur(14px)}.theme-minimal{--primary:#111827}.theme-minimal .hero{background:#fafafa}.theme-minimal .hero h1{font-family:Georgia,serif;font-weight:600}.theme-minimal .tool-card{box-shadow:none}.theme-midnight .trust-strip{background:#0a1424;border-color:#1e2c40}.theme-midnight .floating-card{background:#101d30;border-color:#24344b}.theme-midnight .trust-strip span,.theme-midnight .trust-strip b{color:#94a3b8}.custom-tool-runtime{display:grid;gap:16px}.related-tools{margin-top:42px}.tool-card.compact{min-height:0}.tool-card.compact p{display:none}
@media(max-width:900px){.hero-inner{grid-template-columns:1fr;text-align:center}.hero-copy .search-box{margin-inline:auto}.hero-copy .hero-pills{justify-content:center}.hero-showcase{min-height:300px}.trust-strip .container{overflow:auto;justify-content:flex-start}.value-grid{grid-template-columns:1fr}}
@media(max-width:560px){.hero-showcase{display:none}}
.tk-runtime label{display:block;margin:0 0 16px;font-weight:700;color:var(--text,#182033)}
.tk-runtime input,.tk-runtime select,.tk-runtime textarea{width:100%;margin-top:7px;padding:13px 14px;border:1px solid var(--border,#dbe2ea);border-radius:12px;background:var(--surface,#fff);color:inherit;font:inherit}
.tk-runtime textarea{resize:vertical;min-height:130px}.tk-runtime .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.tk-result{white-space:pre-wrap;overflow-wrap:anywhere;min-height:68px;margin:18px 0}.tk-pre{margin:0;white-space:pre-wrap}
.tk-serp{font-family:Arial,sans-serif}.tk-serp small{color:#202124}.tk-serp h3{color:#1a0dab;font-weight:400;margin:6px 0}.tk-serp p{color:#4d5156;margin:0}
.tk-palette{display:grid;grid-template-columns:repeat(5,1fr);min-height:120px;border-radius:14px;overflow:hidden}.tk-palette span{display:flex;align-items:flex-end;justify-content:center;padding:10px}.tk-palette b{font-size:12px;background:#fff;padding:4px 6px;border-radius:6px;color:#111}
.tk-favicons{display:flex;align-items:flex-end;gap:22px;flex-wrap:wrap}.tk-favicons span{display:grid;gap:8px;text-align:center}.tk-favicons img{object-fit:cover}
@media(max-width:640px){.tk-runtime .form-grid{grid-template-columns:1fr}.tk-palette{grid-template-columns:1fr;min-height:auto}.tk-palette span{min-height:64px}}