:root{--bg: #ffffff;--bg-soft: #f4f5f7;--card: #ffffff;--border: #e4e6ea;--text: #17191e;--muted: #5f6873;--brand: #2550d8;--brand-ink: #1c40b0;--brand-soft: #eef2fd;--brand-grad: linear-gradient(180deg, #2f5ee2, #2550d8);--ok: #0f9d58;--radius: 12px;--shadow: 0 1px 2px rgba(20, 24, 33, .05);--shadow-lg: 0 6px 24px rgba(20, 24, 33, .08);--maxw: 1120px;--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0d1014;--bg-soft: #161a21;--card: #151921;--border: #262c36;--text: #e7e9ed;--muted: #98a1ad;--brand: #5d83f6;--brand-ink: #6f91f8;--brand-soft: #18213a;--brand-grad: linear-gradient(180deg, #5d83f6, #4f74ee);--shadow: 0 1px 2px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 28px rgba(0, 0, 0, .45)}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.narrow{max-width:820px}h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em}h1{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:800}h2{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:700;margin-top:1.6em}h3{font-size:1.15rem;font-weight:700}p{margin:0 0 1em;color:var(--text)}.muted{color:var(--muted)}.grad-text{color:var(--brand)}.site-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.site-header .container{display:flex;align-items:center;gap:24px;height:64px}.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:1.1rem;letter-spacing:-.02em}.logo-mark{width:30px;height:30px;border-radius:8px;background:var(--brand);display:grid;place-items:center;color:#fff}.logo-mark svg{width:18px;height:18px}.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}.nav a{padding:8px 13px;border-radius:10px;font-weight:600;font-size:.93rem;color:var(--muted)}.nav a:hover{color:var(--text);background:var(--bg-soft)}.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;padding:12px 22px;border-radius:12px;font-weight:700;font-size:1rem;border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer;transition:transform .08s ease,box-shadow .15s ease}.btn:hover{border-color:color-mix(in srgb,var(--brand) 35%,var(--border))}.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn-primary:hover{background:var(--brand-ink);border-color:var(--brand-ink)}.btn-lg{padding:14px 28px;font-size:1rem}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.tool-card{display:block;transition:transform .1s ease,border-color .15s ease}.tool-card:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--border));box-shadow:var(--shadow-lg)}.tool-card .pair{font-weight:800;font-size:1.05rem;display:flex;align-items:center;gap:8px}.tool-card .arrow{color:var(--brand)}.tool-card p{font-size:.88rem;color:var(--muted);margin:6px 0 0}.chip{display:inline-block;padding:4px 11px;border-radius:999px;font-size:.8rem;font-weight:600;background:var(--bg-soft);color:var(--muted);border:1px solid var(--border)}.chip-icon{display:inline-flex;align-items:center;gap:6px}.cat-badge{width:34px;height:34px;border-radius:9px;flex:none;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center}.hub-badge{display:inline-grid;place-items:center;width:56px;height:56px;border-radius:14px;background:var(--brand-soft);color:var(--brand)}.hero{text-align:center;padding:56px 0 24px}.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:680px;margin:0 auto 1.5em}.search{max-width:560px;margin:0 auto;position:relative}.search input{width:100%;padding:15px 18px;border-radius:14px;border:1px solid var(--border);background:var(--card);color:var(--text);font-size:1.05rem;box-shadow:var(--shadow)}.search input:focus{outline:2px solid var(--brand);border-color:transparent}.search-results{position:absolute;top:110%;left:0;right:0;background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);max-height:340px;overflow-y:auto;text-align:left;z-index:30}.search-results a{display:block;padding:11px 16px;border-bottom:1px solid var(--border);font-weight:600}.search-results a:last-child{border-bottom:none}.search-results a:hover{background:var(--bg-soft)}.search-results mark{background:color-mix(in srgb,var(--brand) 28%,transparent);color:inherit;border-radius:4px}.ec-converter{margin:8px 0}.ec-drop{border:2px dashed color-mix(in srgb,var(--brand) 40%,var(--border));border-radius:var(--radius);background:var(--card);padding:44px 24px;text-align:center;cursor:pointer;transition:all .15s ease}.ec-drop:hover,.ec-drop.ec-drag{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 6%,var(--card))}.ec-drop .big{font-size:1.15rem;font-weight:700;margin-bottom:4px}.ec-drop .pick{color:var(--brand);text-decoration:underline}.ec-cloud{width:52px;height:52px;margin:0 auto 12px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center}.ec-cloud svg{width:26px;height:26px}.ec-input{display:none}.ec-panel{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);padding:28px 24px;text-align:center}.ec-bar{height:10px;background:var(--bg-soft);border-radius:999px;overflow:hidden;margin:16px 0 10px}.ec-bar-fill{height:100%;width:0;background:var(--brand);transition:width .25s ease}.ec-spinner{width:34px;height:34px;border:3px solid var(--bg-soft);border-top-color:var(--brand);border-radius:50%;margin:0 auto 12px;animation:spin .8s linear infinite}.ec-files{list-style:none;padding:0;margin:16px 0 0;text-align:left;max-height:220px;overflow-y:auto}.ec-file{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px;border:1px solid var(--border);border-radius:9px;margin-bottom:6px;font-size:.9rem}.ec-file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ec-file-stat{font-size:.82rem;color:var(--muted);flex:none;font-weight:600}.ec-file.active{border-color:color-mix(in srgb,var(--brand) 45%,var(--border))}.ec-file.active .ec-file-stat{color:var(--brand)}.ec-file.ok .ec-file-stat{color:var(--ok)}.ec-file.bad{border-color:color-mix(in srgb,#e5484d 45%,var(--border))}.ec-file.bad .ec-file-stat{color:#e5484d}@keyframes spin{to{transform:rotate(360deg)}}.ec-check{width:52px;height:52px;margin:0 auto 4px;border-radius:50%;background:color-mix(in srgb,var(--ok) 14%,transparent);color:var(--ok);display:grid;place-items:center}.ec-check svg{width:28px;height:28px}.ec-error .ec-check,.ecc-error .ec-check{background:color-mix(in srgb,#e5484d 14%,transparent);color:#e5484d}.ec-error{border-color:color-mix(in srgb,#ef4444 50%,var(--border))}.ec-error-msg{color:#ef4444;font-weight:600}.ec-privacy-note{font-size:.85rem;color:var(--muted);margin-top:12px;display:flex;gap:6px;align-items:center;justify-content:center}.prose{max-width:760px}.prose h2{border-top:1px solid var(--border);padding-top:1.2em}.prose ol,.prose ul{padding-left:1.3em}.prose li{margin-bottom:.4em}.steps{list-style:none;padding:0;counter-reset:step;display:grid;gap:14px}.steps li{counter-increment:step;padding-left:48px;position:relative}.steps li:before{content:counter(step);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:8px;background:var(--brand-soft);color:var(--brand);border:1px solid color-mix(in srgb,var(--brand) 25%,transparent);display:grid;place-items:center;font-weight:800}.faq details{border:1px solid var(--border);border-radius:12px;padding:4px 18px;margin-bottom:10px;background:var(--card)}.faq summary{cursor:pointer;font-weight:700;padding:12px 0}.faq p{padding-bottom:10px}.crumb{font-size:.85rem;color:var(--muted);margin:18px 0 4px}.crumb a:hover{color:var(--brand)}.site-footer{border-top:1px solid var(--border);margin-top:64px;background:var(--bg-soft)}.site-footer .container{padding:40px 20px}.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}.foot-grid h4{font-size:.95rem;margin:0 0 12px}.foot-grid a{display:block;color:var(--muted);font-size:.9rem;padding:3px 0}.foot-grid a:hover{color:var(--text)}.foot-bottom{margin-top:28px;padding-top:20px;border-top:1px solid var(--border);font-size:.85rem;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}.section{padding:24px 0}.center{text-align:center}.mt{margin-top:28px}.tag-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:16px}@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}.nav{display:none}}