:root{--bg:#f7f9fc;--surface:#fff;--surface-2:#f0f4fa;--text:#101828;--muted:#667085;--line:#e4e7ec;--primary:#4f46e5;--primary-2:#06b6d4;--accent:#7c3aed;--success:#039855;--warning:#dc6803;--danger:#d92d20;--shadow:0 18px 50px rgba(16,24,40,.08);--shadow-sm:0 8px 24px rgba(16,24,40,.06);--radius:24px;--radius-sm:16px;--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 15% 0%,rgba(6,182,212,.08),transparent 28%),radial-gradient(circle at 90% 8%,rgba(124,58,237,.08),transparent 26%),var(--bg);color:var(--text);line-height:1.6}body.dark{--bg:#0c1220;--surface:#121a2b;--surface-2:#182238;--text:#f6f7fb;--muted:#a7b0c2;--line:#26324a;--shadow:0 20px 60px rgba(0,0,0,.35);--shadow-sm:0 8px 24px rgba(0,0,0,.25)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 32px));margin-inline:auto}.skip-link{position:absolute;left:-999px;top:0}.skip-link:focus{left:16px;top:16px;z-index:999;background:var(--surface);padding:12px 16px;border-radius:12px;box-shadow:var(--shadow)}
.header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--surface) 82%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid color-mix(in srgb,var(--line) 75%,transparent);transition:.25s}.header.scrolled .header-inner{height:64px}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:.25s}.brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.03em;white-space:nowrap}.brand-mark{width:40px;height:40px;border-radius:14px;background:linear-gradient(145deg,var(--primary),var(--primary-2));display:grid;place-items:center;color:white;box-shadow:0 10px 24px rgba(79,70,229,.25)}.brand small{display:block;font-size:10px;color:var(--muted);font-weight:700;letter-spacing:.08em;text-transform:uppercase}.nav{display:flex;align-items:center;gap:5px}.nav a,.nav button{padding:10px 12px;border-radius:12px;color:var(--muted);font-size:14px;font-weight:750;border:0;background:transparent}.nav a:hover,.nav a.active,.nav button:hover{color:var(--text);background:var(--surface-2)}.header-actions{display:flex;align-items:center;gap:8px}.icon-btn{width:42px;height:42px;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:14px;display:grid;place-items:center;box-shadow:var(--shadow-sm)}.search-trigger{min-width:210px;height:42px;border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:14px;padding:0 12px;display:flex;align-items:center;justify-content:space-between;gap:12px}.kbd{font-size:11px;border:1px solid var(--line);background:var(--surface-2);padding:2px 7px;border-radius:7px}.mobile-toggle{display:none}
.hero{padding:76px 0 52px;position:relative;overflow:hidden}.hero::before{content:"";position:absolute;inset:10% auto auto 50%;width:720px;height:380px;transform:translateX(-50%);background:radial-gradient(ellipse,rgba(79,70,229,.13),transparent 65%);filter:blur(8px);pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;background:rgba(79,70,229,.09);color:var(--primary);font-size:13px;font-weight:850;border:1px solid rgba(79,70,229,.14)}h1,h2,h3{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(42px,6vw,76px);margin:20px 0 18px;max-width:850px}.gradient-text{background:linear-gradient(90deg,var(--primary),var(--accent),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:18px;color:var(--muted);max-width:720px}.hero-search{margin-top:28px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:8px;display:flex;align-items:center;box-shadow:var(--shadow);max-width:760px}.hero-search input{flex:1;border:0;outline:0;background:transparent;color:var(--text);padding:12px 14px;min-width:0}.btn{border:0;border-radius:14px;padding:12px 17px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.2s}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 10px 24px rgba(79,70,229,.24)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(79,70,229,.3)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--line)}.btn-soft{background:var(--surface-2);color:var(--text)}.btn-danger{background:#fee4e2;color:#b42318}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.trust-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.trust-chip{font-size:13px;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:7px 11px;display:flex;align-items:center;gap:7px}.hero-panel{background:linear-gradient(160deg,var(--surface),color-mix(in srgb,var(--surface) 70%,rgba(79,70,229,.07)));border:1px solid var(--line);border-radius:32px;padding:18px;box-shadow:var(--shadow);position:relative}.mock-window{background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden}.mock-top{height:46px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 14px;gap:7px}.dot{width:9px;height:9px;border-radius:50%;background:#f97066}.dot:nth-child(2){background:#fdb022}.dot:nth-child(3){background:#12b76a}.mock-body{padding:18px}.mini-upload{height:160px;border:1.5px dashed color-mix(in srgb,var(--primary) 45%,var(--line));border-radius:18px;background:linear-gradient(180deg,rgba(79,70,229,.045),transparent);display:grid;place-items:center;text-align:center}.mini-upload b{display:block}.floating-badge{position:absolute;right:-18px;bottom:26px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px 14px;box-shadow:var(--shadow-sm);font-size:13px;font-weight:800}
.section{padding:64px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}.section-head h2{font-size:clamp(30px,4vw,46px);margin:0 0 8px}.section-head p{margin:0;color:var(--muted);max-width:680px}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.category-card,.tool-card,.feature-card,.blog-card,.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.22s}.category-card{padding:22px;position:relative;overflow:hidden;min-height:240px}.category-card::after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-45px;top:-45px;background:var(--card-glow,rgba(79,70,229,.09))}.category-card:hover,.tool-card:hover,.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card-icon{width:50px;height:50px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(79,70,229,.12),rgba(6,182,212,.1));color:var(--primary);margin-bottom:18px;position:relative;z-index:1}.category-card h3{font-size:21px;margin:0 0 8px}.category-card p{color:var(--muted);font-size:14px;margin:0 0 16px}.mini-list{display:flex;flex-wrap:wrap;gap:7px}.mini-list span{font-size:11px;padding:5px 8px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.card-link{margin-top:18px;font-size:13px;font-weight:850;color:var(--primary);display:flex;align-items:center;gap:6px}.tool-card{padding:18px;display:flex;flex-direction:column;min-height:190px}.tool-card-top{display:flex;align-items:start;justify-content:space-between;gap:10px}.tool-card .card-icon{width:44px;height:44px;border-radius:14px;margin-bottom:14px}.fav-btn{width:34px;height:34px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--muted)}.fav-btn.active{color:#f79009;background:#fffaeb;border-color:#fedf89}.tool-card h3{font-size:17px;margin:0 0 7px}.tool-card p{font-size:13px;color:var(--muted);margin:0 0 14px;flex:1}.tag-row{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:10px;font-weight:800;background:var(--surface-2);color:var(--muted);padding:4px 7px;border-radius:999px}.tag.live{background:#ecfdf3;color:#027a48}.tag.api{background:#eff4ff;color:#3538cd}.feature-card{padding:24px}.feature-card h3{margin:12px 0 7px}.feature-card p{color:var(--muted);font-size:14px;margin:0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat-card{padding:22px}.stat-card strong{display:block;font-size:34px;letter-spacing:-.04em}.stat-card span{color:var(--muted);font-size:13px}.steps{counter-reset:step}.step{position:relative;padding:24px 24px 24px 76px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.step::before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:22px;width:38px;height:38px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:900}.step h3{margin:0 0 6px}.step p{margin:0;color:var(--muted);font-size:14px}.faq{display:grid;gap:10px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}.faq-q{width:100%;border:0;background:transparent;color:var(--text);font-weight:850;padding:17px 18px;display:flex;justify-content:space-between;text-align:left}.faq-a{max-height:0;overflow:hidden;color:var(--muted);padding:0 18px;transition:.25s}.faq-item.open .faq-a{max-height:250px;padding:0 18px 18px}.blog-card{overflow:hidden}.blog-cover{height:170px;background:linear-gradient(135deg,rgba(79,70,229,.85),rgba(6,182,212,.8));position:relative}.blog-cover::after{content:"";position:absolute;inset:24px;border:1px solid rgba(255,255,255,.35);border-radius:18px}.blog-body{padding:20px}.blog-body h3{margin:0 0 8px}.blog-meta{font-size:12px;color:var(--muted)}
.page-hero{padding:46px 0 26px}.breadcrumbs{display:flex;gap:7px;flex-wrap:wrap;color:var(--muted);font-size:13px}.breadcrumbs a:hover{color:var(--primary)}.page-hero h1{font-size:clamp(38px,5vw,62px);margin:18px 0 12px}.page-hero p{color:var(--muted);max-width:760px;font-size:17px}.filter-bar{position:sticky;top:78px;z-index:20;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px);padding:12px 0;margin-bottom:20px}.filter-shell{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);padding:9px;border-radius:18px;box-shadow:var(--shadow-sm)}.filter-shell input{flex:1;border:0;outline:0;background:transparent;color:var(--text);padding:8px 10px}.select{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:12px;padding:10px 12px}.pill-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:3px}.pill-tab{white-space:nowrap;border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:8px 12px;font-weight:750}.pill-tab.active{background:var(--text);color:var(--surface);border-color:var(--text)}
.tool-shell{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}.tool-main,.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.tool-main{padding:24px}.side-stack{display:grid;gap:16px;position:sticky;top:94px}.side-card{padding:18px}.side-card h3{font-size:16px;margin:0 0 10px}.side-card p,.side-card li{font-size:13px;color:var(--muted)}.privacy-note{display:flex;gap:10px;background:#ecfdf3;color:#027a48;border:1px solid #abefc6;padding:12px 14px;border-radius:14px;font-size:13px;font-weight:750;margin-bottom:18px}.dark .privacy-note{background:rgba(3,152,85,.12);border-color:rgba(3,152,85,.35)}.tool-tabs{display:flex;gap:7px;border-bottom:1px solid var(--line);margin-bottom:20px;overflow:auto}.tool-tab{border:0;background:transparent;color:var(--muted);font-weight:800;padding:10px 12px;border-bottom:2px solid transparent;white-space:nowrap}.tool-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.upload-zone{border:1.5px dashed color-mix(in srgb,var(--primary) 45%,var(--line));background:linear-gradient(180deg,rgba(79,70,229,.05),transparent);border-radius:20px;min-height:260px;display:grid;place-items:center;text-align:center;padding:26px;transition:.2s}.upload-zone.dragover{border-color:var(--primary);background:rgba(79,70,229,.09);transform:scale(1.008)}.upload-zone input{display:none}.upload-icon{width:66px;height:66px;border-radius:22px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;margin:0 auto 14px;box-shadow:var(--shadow-sm);color:var(--primary)}.upload-zone h3{margin:0 0 6px}.upload-zone p{margin:0 0 16px;color:var(--muted);font-size:14px}.file-list{display:grid;gap:10px;margin-top:14px}.file-row{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:var(--surface-2);padding:12px;border-radius:14px}.file-row .meta{flex:1;min-width:0}.file-row b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-row small{color:var(--muted)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:800;color:var(--muted)}.input,.textarea{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:14px;padding:12px 13px;outline:none;transition:.2s}.input:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(79,70,229,.1)}.textarea{min-height:220px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.55}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.editor{position:relative}.editor-head{display:flex;align-items:center;justify-content:space-between;background:var(--surface-2);border:1px solid var(--line);border-bottom:0;border-radius:14px 14px 0 0;padding:9px 11px}.editor-head span{font-size:12px;font-weight:850;color:var(--muted)}.editor .textarea{border-radius:0 0 14px 14px;min-height:360px}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.progress-shell{display:none;margin-top:16px;background:var(--surface-2);border:1px solid var(--line);border-radius:16px;padding:15px}.progress-shell.show{display:block}.progress-bar{height:9px;background:var(--line);border-radius:999px;overflow:hidden}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--primary-2));transition:.3s}.result-panel{display:none;margin-top:16px;border:1px solid var(--line);border-radius:18px;overflow:hidden}.result-panel.show{display:block}.result-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--surface-2);border-bottom:1px solid var(--line)}.result-body{padding:16px}.result-preview{max-height:430px;overflow:auto;background:#0b1020;color:#d1e5ff;border-radius:14px;padding:16px;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.canvas-wrap{display:grid;place-items:center;min-height:260px;background:repeating-conic-gradient(#eef1f6 0 25%,#fff 0 50%) 50%/20px 20px;border:1px solid var(--line);border-radius:18px;overflow:hidden}.dark .canvas-wrap{background:repeating-conic-gradient(#1d2638 0 25%,#121a2b 0 50%) 50%/20px 20px}.canvas-wrap canvas,.canvas-wrap img{max-width:100%;max-height:460px}.counter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}.counter-box{background:var(--surface-2);border:1px solid var(--line);border-radius:15px;padding:14px;text-align:center}.counter-box strong{font-size:26px;display:block}.counter-box span{font-size:11px;color:var(--muted)}.notice{border-radius:14px;padding:12px 14px;font-size:13px;margin:12px 0}.notice.info{background:#eff8ff;color:#175cd3;border:1px solid #b2ddff}.notice.warn{background:#fffaeb;color:#b54708;border:1px solid #fedf89}.notice.error{background:#fef3f2;color:#b42318;border:1px solid #fecdca}.api-card{border:1px solid var(--line);background:linear-gradient(135deg,rgba(79,70,229,.06),rgba(6,182,212,.05));border-radius:20px;padding:22px}.endpoint{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#101828;color:#e5e7eb;padding:12px;border-radius:12px;overflow:auto;font-size:12px}.share-actions{display:flex;gap:8px;flex-wrap:wrap}.color-swatch{height:70px;border-radius:15px;border:1px solid var(--line)}
.search-modal{position:fixed;inset:0;z-index:300;background:rgba(16,24,40,.48);display:none;align-items:flex-start;justify-content:center;padding:9vh 16px 16px;backdrop-filter:blur(8px)}.search-modal.open{display:flex}.search-box{width:min(720px,100%);background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:0 30px 90px rgba(16,24,40,.25);overflow:hidden}.search-input-row{display:flex;align-items:center;gap:10px;padding:14px;border-bottom:1px solid var(--line)}.search-input-row input{flex:1;border:0;outline:0;background:transparent;color:var(--text);font-size:17px}.search-results{max-height:60vh;overflow:auto;padding:10px}.search-result{display:flex;align-items:center;gap:12px;padding:11px;border-radius:14px}.search-result:hover,.search-result.active{background:var(--surface-2)}.search-result .card-icon{width:38px;height:38px;margin:0;border-radius:12px}.search-result small{display:block;color:var(--muted)}.empty{padding:28px;text-align:center;color:var(--muted)}.toast-wrap{position:fixed;right:18px;bottom:18px;z-index:500;display:grid;gap:10px}.toast{background:var(--surface);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);padding:12px 14px;min-width:260px;display:flex;gap:10px;align-items:center;animation:toastIn .25s ease}.toast.success{border-left:4px solid var(--success)}.toast.error{border-left:4px solid var(--danger)}@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}.drawer{position:fixed;inset:0;z-index:250;background:rgba(16,24,40,.4);display:none}.drawer.open{display:block}.drawer-panel{width:min(360px,88vw);height:100%;margin-left:auto;background:var(--surface);padding:18px;box-shadow:-20px 0 60px rgba(0,0,0,.18);overflow:auto}.drawer-nav{display:grid;gap:6px;margin-top:20px}.drawer-nav a{padding:12px;border-radius:12px;font-weight:800;color:var(--muted)}.drawer-nav a:hover{background:var(--surface-2);color:var(--text)}
.footer{margin-top:70px;background:#101828;color:#f2f4f7;padding:56px 0 24px}.footer .brand{color:#fff}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:30px}.footer h4{font-size:14px;margin:0 0 12px}.footer a{display:block;color:#98a2b3;font-size:13px;margin:8px 0}.footer a:hover{color:#fff}.footer p{color:#98a2b3;font-size:13px}.footer-bottom{border-top:1px solid #344054;margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#98a2b3;font-size:12px}
.article{max-width:830px;margin:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,5vw,52px);box-shadow:var(--shadow-sm)}.article h2{margin-top:34px}.article p,.article li{color:var(--muted)}.article-toc{background:var(--surface-2);border:1px solid var(--line);border-radius:18px;padding:18px}.legal{max-width:900px;margin:auto}.legal section{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;margin:14px 0}.legal p,.legal li{color:var(--muted)}
@media (max-width:1050px){.nav{display:none}.mobile-toggle{display:grid}.search-trigger{min-width:auto}.search-trigger span.label{display:none}.hero-grid{grid-template-columns:1fr}.hero-panel{max-width:680px}.grid-4{grid-template-columns:repeat(2,1fr)}.tool-shell{grid-template-columns:1fr}.side-stack{position:static;grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(3,1fr)}.footer-grid>div:first-child{grid-column:1/-1}.editor-grid{grid-template-columns:1fr}}
@media (max-width:720px){.container{width:min(100% - 22px,var(--max))}.header-inner{height:66px}.brand-text{display:none}.search-trigger{display:none}.hero{padding:50px 0 34px}.hero h1{font-size:42px}.hero p{font-size:16px}.hero-search{display:grid;grid-template-columns:1fr}.hero-search .btn{width:100%}.floating-badge{right:8px;bottom:8px}.section{padding:44px 0}.section-head{align-items:start;flex-direction:column}.grid-4,.grid-3,.grid-2,.stats{grid-template-columns:1fr}.category-card{min-height:auto}.page-hero{padding-top:32px}.page-hero h1{font-size:40px}.filter-bar{top:66px}.filter-shell{flex-wrap:wrap}.filter-shell input{width:100%;flex-basis:100%}.tool-main{padding:15px;border-radius:20px}.side-stack{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.upload-zone{min-height:220px}.counter-grid{grid-template-columns:repeat(2,1fr)}.toolbar .btn{flex:1}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column}.article{border-radius:20px}.mobile-sticky{position:sticky;bottom:8px;z-index:10;background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(12px);border:1px solid var(--line);padding:8px;border-radius:16px;box-shadow:var(--shadow)}.mobile-sticky .btn{width:100%}}
@media (max-width:420px){.hero h1{font-size:36px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.hero-actions .btn{width:100%}.page-hero h1{font-size:34px}.tool-card{min-height:170px}.btn{padding:11px 13px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}


/* v2 media platform navigation */
.nav-dropdown{position:relative;display:flex;align-items:center}.nav-dropdown>a{display:flex;align-items:center;gap:5px}.nav-dropdown-menu{position:absolute;left:50%;top:calc(100% + 16px);width:min(760px,88vw);transform:translate(-50%,8px);background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown:focus-within .nav-dropdown-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.nav-dropdown-menu a{padding:11px 12px;border-radius:13px;color:var(--text);font-size:13px}.nav-dropdown-menu a:hover{background:var(--surface-2);color:var(--primary)}
.platform-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.platform-card{display:flex;gap:13px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:17px;box-shadow:var(--shadow-sm);transition:.2s;min-height:154px}.platform-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--platform-color) 35%,var(--line))}.platform-logo{width:46px;height:46px;min-width:46px;display:grid;place-items:center;border-radius:15px;background:color-mix(in srgb,var(--platform-color) 12%,var(--surface));color:var(--platform-color);font-size:22px;font-weight:950}.platform-card strong{display:block;font-size:16px;margin:3px 0 7px}.platform-card small{display:block;color:var(--muted);font-size:12px;line-height:1.45}.platform-card em{display:block;color:var(--primary);font-style:normal;font-weight:850;font-size:11px;margin-top:10px}.media-result{display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;align-items:start}.media-result img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;background:var(--surface-2);border:1px solid var(--line)}.media-result h3{margin:0 0 8px}.media-meta{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.media-meta span{font-size:11px;padding:5px 8px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.quality-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}.quality-card{border:1px solid var(--line);border-radius:16px;padding:12px;background:var(--surface)}.quality-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:11px;background:var(--surface-2)}.quality-card strong{display:block;margin:10px 0 7px}.rights-box{display:flex;gap:9px;align-items:flex-start;padding:13px;border:1px solid #fedf89;background:#fffaeb;border-radius:14px;color:#854a0e;font-size:13px}.rights-box input{margin-top:3px}.endpoint-status{display:flex;gap:9px;align-items:center;padding:11px 13px;border-radius:13px;background:var(--surface-2);font-size:12px;color:var(--muted)}.status-dot{width:9px;height:9px;border-radius:50%;background:#f79009}.status-dot.ok{background:#12b76a}.seo-note{font-size:12px;color:var(--muted);margin-top:12px}
@media(max-width:1100px){.platform-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:900px){.nav-dropdown{display:none}.platform-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.platform-grid{grid-template-columns:1fr}.platform-card{min-height:auto}.media-result{grid-template-columns:1fr}.quality-grid{grid-template-columns:1fr 1fr}}@media(max-width:420px){.quality-grid{grid-template-columns:1fr}}


/* v3 automatic media engine + SEO navigation */
.nav-menu-label{grid-column:1/-1;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:var(--muted);padding:4px 10px 1px}.nav-menu-label.media-label{margin-top:6px;padding-top:12px;border-top:1px solid var(--line)}
.nav-dropdown-menu{max-height:min(68vh,620px);overflow:auto;grid-template-columns:repeat(4,minmax(0,1fr))}
.media-platform-section{background:linear-gradient(180deg,transparent,rgba(79,70,229,.035),transparent)}
.engine-note{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:14px;border:1px solid #c7d7fe;background:#eef4ff;color:#24408e;font-size:13px;margin:12px 0}.engine-note strong{display:block;color:#153eaa}.engine-note small{display:block;margin-top:3px;line-height:1.45}
.endpoint-status.ready{background:#ecfdf3;color:#067647}.endpoint-status.error{background:#fef3f2;color:#b42318}.status-dot.loading{animation:pulseDot 1s infinite}@keyframes pulseDot{50%{opacity:.35;transform:scale(.75)}}
.playlist-list{display:grid;gap:8px;margin-top:14px}.playlist-row{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2)}.playlist-row a{font-weight:750}.subtitle-pills{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.subtitle-pills span{padding:5px 8px;border-radius:999px;background:var(--surface-2);font-size:11px;color:var(--muted)}
@media(max-width:1000px){.nav-dropdown-menu{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* =========================================================
   UTKU PRO TOOLS V4 — AURORA LIGHT SYSTEM
   Complete visual redesign, 2026
   ========================================================= */
:root{
 --v4-bg:#f5fbff;--v4-surface:rgba(255,255,255,.82);--v4-solid:#fff;--v4-ink:#082135;
 --v4-muted:#587083;--v4-line:#d7e7f1;--v4-cyan:#00a6d6;--v4-blue:#2563eb;--v4-violet:#6d5dfc;
 --v4-mint:#19c99a;--v4-coral:#ff6b6b;--v4-yellow:#ffbf3f;--v4-shadow:0 22px 70px rgba(11,75,111,.12);
 --v4-shadow-sm:0 10px 32px rgba(11,75,111,.09);--v4-radius:26px;
 --primary:var(--v4-blue);--primary-2:var(--v4-violet);--text:var(--v4-ink);--muted:var(--v4-muted);
 --surface:var(--v4-solid);--surface-2:#eff8fd;--line:var(--v4-line);--shadow:var(--v4-shadow);--shadow-sm:var(--v4-shadow-sm)
}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--v4-bg)}
body{font-family:Inter,"SF Pro Display","Segoe UI",system-ui,sans-serif;color:var(--v4-ink);background:
 radial-gradient(circle at 9% 3%,rgba(0,166,214,.13),transparent 30rem),
 radial-gradient(circle at 92% 0%,rgba(109,93,252,.11),transparent 31rem),
 linear-gradient(180deg,#fbfeff 0,#f4fbff 45%,#fff 100%);min-height:100vh}
body.dark{--v4-bg:#07131d;--v4-surface:rgba(12,29,42,.86);--v4-solid:#0c1d2a;--v4-ink:#eef9ff;--v4-muted:#9eb7c7;--v4-line:#1f3a4a;--surface:#0c1d2a;--surface-2:#102838;--text:#eef9ff;--muted:#9eb7c7;--line:#1f3a4a;background:radial-gradient(circle at 12% 0,rgba(0,166,214,.18),transparent 30rem),radial-gradient(circle at 90% 0,rgba(109,93,252,.16),transparent 32rem),#07131d}
a{color:inherit}.container{width:min(1240px,calc(100% - 32px))}
.header{top:12px;width:calc(100% - 24px);margin:0 12px;border:1px solid rgba(205,230,242,.88);border-radius:22px;background:rgba(255,255,255,.79);backdrop-filter:blur(22px) saturate(160%);box-shadow:0 8px 32px rgba(11,75,111,.08)}
body.dark .header{background:rgba(9,25,37,.8);border-color:#1f3a4a}.header.scrolled{top:6px;box-shadow:0 15px 50px rgba(11,75,111,.16)}
.header-inner{height:72px}.brand-mark{width:42px;height:42px;border-radius:15px;background:linear-gradient(145deg,var(--v4-cyan),var(--v4-blue) 55%,var(--v4-violet));color:#fff;box-shadow:0 10px 25px rgba(37,99,235,.27)}
.brand-text{font-weight:950;letter-spacing:-.035em}.brand-text small{color:var(--v4-cyan);letter-spacing:.02em}.nav{padding:5px;background:#eef8fd;border:1px solid #dceef6;border-radius:15px;gap:2px}.dark .nav{background:#102838;border-color:#1f3a4a}.nav a{padding:9px 13px;border-radius:11px;color:#456477}.nav a:hover,.nav a.active{background:#fff;color:var(--v4-blue);box-shadow:0 5px 16px rgba(11,75,111,.09)}.dark .nav a:hover,.dark .nav a.active{background:#173447}
.search-trigger{border:1px solid #d4e8f2;background:#f8fdff;border-radius:14px;box-shadow:none}.search-trigger:hover{border-color:#8edcf0;background:#fff}.icon-btn{border-radius:14px;border-color:#d4e8f2;background:#f8fdff}
.hero{padding:108px 0 78px;overflow:hidden;position:relative}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(13,116,160,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(13,116,160,.035) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(to bottom,#000,transparent 86%);pointer-events:none}
.hero-grid{grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.eyebrow{border:1px solid #c9ebf5;background:#edfbff;color:#087fa4;border-radius:999px;padding:8px 13px;font-weight:900;box-shadow:0 7px 20px rgba(0,166,214,.08)}.dark .eyebrow{background:#103342;border-color:#1d5264;color:#7de6ff}
.hero h1{font-size:clamp(50px,6vw,82px);line-height:.98;letter-spacing:-.065em;max-width:850px;margin:20px 0}.gradient-text{background:linear-gradient(100deg,var(--v4-cyan),var(--v4-blue) 48%,var(--v4-violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:19px;line-height:1.75;color:#557285;max-width:690px}.hero-search{padding:8px;background:rgba(255,255,255,.92);border:1px solid #cfe8f3;border-radius:21px;box-shadow:0 18px 50px rgba(12,100,145,.13);gap:8px}.dark .hero-search{background:#0d2433;border-color:#245064}.hero-search input{height:54px;padding:0 18px;font-size:16px}.btn{border-radius:14px;font-weight:900;letter-spacing:-.01em;min-height:44px}.btn-primary{background:linear-gradient(135deg,var(--v4-cyan),var(--v4-blue) 55%,var(--v4-violet));box-shadow:0 10px 23px rgba(37,99,235,.24);border:0;color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(37,99,235,.3)}.btn-secondary,.btn-soft{background:#fff;border:1px solid #cfe4ef;color:#274f68}.dark .btn-secondary,.dark .btn-soft{background:#102838;border-color:#245064;color:#d9f3ff}
.hero-panel{filter:drop-shadow(0 30px 70px rgba(0,113,160,.13))}.mock-window{border:1px solid #cde7f2;border-radius:32px;background:rgba(255,255,255,.75);backdrop-filter:blur(18px);box-shadow:var(--v4-shadow);transform:rotate(1.3deg)}.mock-window:after{content:"";position:absolute;inset:28% -8% -10% 25%;background:linear-gradient(135deg,rgba(0,196,220,.24),rgba(109,93,252,.18));filter:blur(45px);z-index:-1}.mini-upload{border:2px dashed #a8dcec;background:linear-gradient(145deg,#f3fdff,#f7f7ff)}.counter-box{border:1px solid #d7ebf4;background:#fff;border-radius:18px}.counter-box strong{color:var(--v4-blue)}.floating-badge{border:1px solid #bcebdc;background:#ecfff8;color:#08795c;box-shadow:0 12px 35px rgba(25,201,154,.15)}
.section{padding:68px 0}.section-head h2{font-size:clamp(34px,4vw,52px);letter-spacing:-.045em}.section-head p{font-size:16px;line-height:1.7}.category-card,.tool-card,.info-card,.side-card,.article,.legal section,.platform-card{border:1px solid #d5e9f2;background:rgba(255,255,255,.78);backdrop-filter:blur(14px);border-radius:24px;box-shadow:0 10px 30px rgba(11,75,111,.07)}.dark .category-card,.dark .tool-card,.dark .info-card,.dark .side-card,.dark .article,.dark .legal section,.dark .platform-card{background:rgba(12,29,42,.84);border-color:#1f3a4a}
.category-card{padding:25px;min-height:300px;overflow:hidden;position:relative}.category-card:before{content:"";position:absolute;width:140px;height:140px;border-radius:50%;right:-55px;top:-55px;background:linear-gradient(135deg,var(--card-glow),rgba(0,166,214,.02));filter:blur(2px)}.category-card:hover{transform:translateY(-7px);border-color:#8edcf0;box-shadow:0 25px 55px rgba(11,75,111,.14)}
.card-icon{width:50px;height:50px;border-radius:17px;background:linear-gradient(145deg,#e9faff,#eef1ff);color:var(--v4-blue);border:1px solid #cfe7f2;box-shadow:0 8px 18px rgba(37,99,235,.09)}.dark .card-icon{background:#123044;border-color:#245064}.category-card h3,.tool-card h3{letter-spacing:-.025em}.mini-list span,.tag{border:1px solid #d9ebf3;background:#f6fcff;color:#4e6c7d}.dark .mini-list span,.dark .tag{background:#102838;border-color:#244457}.card-link{color:var(--v4-blue);font-weight:950}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.grid-3{gap:18px}.tool-grid{gap:18px}.tool-card{padding:21px;min-height:238px;display:flex;flex-direction:column;transition:.22s;position:relative;overflow:hidden}.tool-card:after{content:"";position:absolute;inset:auto -35% -55% 20%;height:120px;background:linear-gradient(90deg,rgba(0,166,214,.13),rgba(109,93,252,.12));filter:blur(35px);pointer-events:none}.tool-card:hover{transform:translateY(-6px);border-color:#8edcf0;box-shadow:0 22px 50px rgba(11,75,111,.14)}.tool-card p{line-height:1.6}.tool-card .tag-row{margin-top:auto;padding-top:15px}.tool-card-action{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;position:relative;z-index:1}.tool-card-action .quick-use{flex:1;text-align:center;padding:10px 14px;border-radius:13px;background:linear-gradient(135deg,var(--v4-cyan),var(--v4-blue));color:#fff;font-size:13px;font-weight:950;box-shadow:0 8px 18px rgba(37,99,235,.18)}.tool-card-action .quick-use:hover{filter:brightness(1.04);transform:translateY(-1px)}
.page-hero{padding:116px 0 52px;background:transparent}.page-hero h1{font-size:clamp(42px,5vw,66px);letter-spacing:-.055em}.filter-bar{top:94px;background:rgba(245,251,255,.82);backdrop-filter:blur(18px);border-block:1px solid #d9eaf2}.dark .filter-bar{background:rgba(7,19,29,.86)}.filter-shell{border:1px solid #cfe5ef;background:#fff;border-radius:19px;padding:8px;box-shadow:0 9px 28px rgba(11,75,111,.08)}.dark .filter-shell{background:#0d2433;border-color:#21495d}.input,.select,textarea{border-radius:14px;border:1px solid #cfe3ed;background:#fbfeff}.dark .input,.dark .select,.dark textarea{background:#0d2433;border-color:#245064;color:#eef9ff}
.category-live-search{margin-top:18px;display:grid;gap:12px}.category-chip-row{display:flex;gap:8px;flex-wrap:wrap}.category-chip{border:1px solid #cfe5ef;background:#fff;color:#4b6a7c;border-radius:999px;padding:9px 13px;font-weight:850;font-size:12px;cursor:pointer}.category-chip:hover,.category-chip.active{background:linear-gradient(135deg,#e8fbff,#eef0ff);border-color:#7ed8ee;color:#126c9a}.live-search-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.live-search-results:empty{display:none}.live-search-item{display:flex;align-items:center;gap:10px;padding:11px;border:1px solid #d7e9f2;background:rgba(255,255,255,.9);border-radius:15px}.live-search-item:hover{border-color:#78d5ed;transform:translateY(-2px)}.live-search-item .card-icon{width:38px;height:38px;border-radius:12px;flex:0 0 auto}.live-search-item strong{font-size:13px}.live-search-item small{display:block;color:var(--v4-muted);font-size:11px;margin-top:2px}
.search-dialog{border:1px solid #cde5f0;background:rgba(255,255,255,.95);backdrop-filter:blur(24px);border-radius:28px;box-shadow:0 35px 100px rgba(2,57,86,.26)}.dark .search-dialog{background:rgba(9,25,37,.98);border-color:#245064}.search-input-row{padding:16px;gap:12px}.search-category-select{width:190px;max-width:38%;border:1px solid #cfe3ed;border-radius:13px;background:#f6fcff;color:var(--v4-ink);padding:10px 12px;font-weight:800}.dark .search-category-select{background:#102838;color:#eef9ff;border-color:#245064}.search-result{border:1px solid transparent}.search-result:hover{border-color:#c6e4f0;background:#f1faff}
.tool-main{border-radius:28px;border:1px solid #d2e7f0;background:rgba(255,255,255,.82);box-shadow:var(--v4-shadow);backdrop-filter:blur(14px)}.dark .tool-main{background:rgba(12,29,42,.88);border-color:#1f3a4a}.upload-zone{border:2px dashed #9dd8e9;background:linear-gradient(145deg,#f2fcff,#f6f5ff);border-radius:23px}.dark .upload-zone{background:linear-gradient(145deg,#0e2a39,#171f3d);border-color:#2d6376}.progress-bar{background:#e6f2f7}.progress-fill{background:linear-gradient(90deg,var(--v4-cyan),var(--v4-blue),var(--v4-violet))}
.platform-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.platform-card{padding:19px;min-height:158px}.platform-logo{border-radius:17px;box-shadow:0 8px 20px color-mix(in srgb,var(--platform-color) 18%,transparent)}
.engine-note{border:1px solid #bce7f3;background:#edfbff;color:#155f79;border-radius:17px}.rights-box{border:1px solid #f6d789;background:#fff9e7;border-radius:17px}.endpoint-status{border:1px solid #d7e8ef;border-radius:15px}.quality-card{border-radius:20px}.media-result img{border-radius:20px}.playlist-row{border-radius:15px}
.footer{background:linear-gradient(145deg,#071c2a,#0b2b3d 55%,#182552);border-top:1px solid rgba(126,216,238,.15);border-radius:36px 36px 0 0;margin-top:90px}.footer-grid{gap:40px}.footer a{color:#a8c4d3}.footer a:hover{color:#75e4ff}
.admin-shortcut{position:fixed;right:18px;bottom:18px;z-index:90;width:46px;height:46px;display:grid;place-items:center;border-radius:15px;background:rgba(255,255,255,.92);border:1px solid #cde5ef;box-shadow:0 12px 35px rgba(11,75,111,.16);color:var(--v4-blue);font-weight:950;opacity:.35}.admin-shortcut:hover{opacity:1;transform:translateY(-2px)}
@media(max-width:1120px){.grid-4{grid-template-columns:repeat(2,1fr)}.platform-grid{grid-template-columns:repeat(3,1fr)}.live-search-results{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.header{top:7px}.hero{padding-top:92px}.hero-grid{grid-template-columns:1fr}.hero-panel{max-width:720px}.filter-bar{top:80px}.platform-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.container{width:min(100% - 20px,1240px)}.header{width:calc(100% - 12px);margin:0 6px;border-radius:18px}.header-inner{height:64px}.brand-text{display:block;font-size:14px}.brand-text small{font-size:8px}.hero{padding:82px 0 42px}.hero h1{font-size:46px}.hero p{font-size:16px}.hero-search{border-radius:18px}.grid-4,.grid-3,.grid-2,.platform-grid,.live-search-results{grid-template-columns:1fr}.section{padding:48px 0}.category-card{min-height:auto}.page-hero{padding-top:94px}.filter-bar{top:72px}.tool-card{min-height:215px}.search-category-select{width:120px;max-width:34%;font-size:11px}.admin-shortcut{display:none}}
@media(max-width:430px){.brand-text small{display:none}.hero h1{font-size:39px}.page-hero h1{font-size:37px}.category-chip{padding:8px 10px}.tool-card{padding:18px}.footer{border-radius:26px 26px 0 0}}

/* BUILD 4.2.0: cache-safe audited release */
.build-badge{display:inline-flex;align-items:center;padding:3px 8px;margin-left:7px;border-radius:999px;background:linear-gradient(135deg,#dffbff,#eeeaff);border:1px solid #b8e7f2;color:#075f89;font-size:9px;font-weight:950;letter-spacing:.08em;vertical-align:middle}
.dark .build-badge{background:#133143;border-color:#2e6073;color:#8cecff}
.tool-card-action{margin-top:14px}
.tool-card-action .quick-use{width:100%}
.version-notice{margin:12px 0 0;font-size:12px;color:var(--muted)}