:root{--bg:#f6faf9;--fg:#0f1f1d;--mut:#546a67;--card:rgba(255,255,255,.78);--bd:rgba(13,148,136,.18);--pri:#0d9488;--pri2:#14b8a6;--acc:#6366f1;--sh:0 20px 50px -20px rgba(13,148,136,.35)}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#071412;--fg:#e8f5f3;--mut:#93b0ab;--card:rgba(16,36,33,.72);--bd:rgba(45,212,191,.22);--sh:0 20px 60px -25px #000}}
:root[data-theme=dark]{--bg:#071412;--fg:#e8f5f3;--mut:#93b0ab;--card:rgba(16,36,33,.72);--bd:rgba(45,212,191,.22);--sh:0 20px 60px -25px #000}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow-x:hidden}
a{color:var(--pri)}.wrap{max-width:68rem;margin:0 auto;padding:0 1.1rem}
header.top{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--bd)}
header.top .wrap{display:flex;align-items:center;gap:1rem;height:3.6rem}
.logo{display:flex;align-items:center;gap:.55rem;font-weight:800;color:var(--fg);text-decoration:none}.logo i{width:2rem;height:2rem;border-radius:.6rem;background:linear-gradient(135deg,var(--pri),var(--acc));display:grid;place-items:center;color:#fff;font-style:normal;font-weight:800}
nav.m{margin-left:auto;display:flex;gap:1.1rem;font-size:.9rem}nav.m a{color:var(--mut);text-decoration:none}nav.m a:hover{color:var(--pri)}
#theme{margin-left:auto;border:1px solid var(--bd);background:var(--card);color:var(--fg);border-radius:.7rem;width:2.4rem;height:2.4rem;cursor:pointer;font-size:1.05rem}nav.m+#theme{margin-left:.5rem}
@media(max-width:760px){nav.m{display:none}}
.hero{position:relative;text-align:center;padding:3.6rem 0 2rem;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.45;z-index:-1;animation:float 14s ease-in-out infinite}
.b1{width:22rem;height:22rem;background:var(--pri2);left:-5rem;top:-6rem}.b2{width:20rem;height:20rem;background:var(--acc);right:-4rem;top:-3rem;animation-delay:-5s}.b3{width:16rem;height:16rem;background:#f59e0b;left:42%;top:5rem;opacity:.22;animation-delay:-9s}
@keyframes float{50%{transform:translate(2.5rem,1.5rem) scale(1.12)}}
.badge{display:inline-flex;gap:.5rem;align-items:center;font-size:.82rem;padding:.35rem .85rem;border:1px solid var(--bd);border-radius:99px;background:var(--card);color:var(--mut)}
.badge b{width:.5rem;height:.5rem;border-radius:50%;background:#22c55e;animation:pulse 2s infinite}@keyframes pulse{50%{box-shadow:0 0 0 .45rem rgba(34,197,94,0)}0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}}
h1{font-size:clamp(2rem,5.5vw,3.3rem);line-height:1.1;margin:1rem auto .8rem;max-width:46rem;letter-spacing:-.02em;background:linear-gradient(100deg,var(--fg),var(--pri),var(--acc),var(--fg));background-size:250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 8s linear infinite}
@keyframes shine{to{background-position:-250% 0}}
.sub{max-width:40rem;margin:0 auto;color:var(--mut);font-size:1.05rem}
.card{background:var(--card);border:1px solid var(--bd);border-radius:1.6rem;padding:1.4rem;box-shadow:var(--sh);backdrop-filter:blur(10px);margin:1.6rem 0}
.dz{display:block;text-align:center;padding:2.6rem 1rem;border:2px dashed var(--pri);border-radius:1.2rem;cursor:pointer;transition:.25s;background:linear-gradient(120deg,transparent 30%,rgba(20,184,166,.12),transparent 70%) 0 0/250% 100%;animation:sweep 5s linear infinite}
@keyframes sweep{to{background-position:-250% 0}}
.dz:hover,.dz.drag{transform:translateY(-3px) scale(1.01);box-shadow:0 0 0 .4rem rgba(20,184,166,.18)}
.dz svg{width:3rem;height:3rem;color:var(--pri);animation:bob 2.4s ease-in-out infinite}@keyframes bob{50%{transform:translateY(-.4rem)}}
.dz strong{display:block;font-size:1.15rem;margin-top:.4rem}.dz small{color:var(--mut)}.dz input{position:absolute;opacity:0;pointer-events:none}
.opts{display:flex;flex-wrap:wrap;gap:1rem 1.6rem;align-items:center;margin-top:1rem;font-size:.92rem;color:var(--mut)}.opts input[type=range]{accent-color:var(--pri);vertical-align:middle}
select,input[type=text],input[type=datetime-local],textarea{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--bd);border-radius:.8rem;padding:.55rem .8rem;max-width:100%}
textarea{width:100%;min-height:11rem;resize:vertical}
.btn{font:inherit;font-weight:600;border:0;border-radius:.85rem;padding:.6rem 1.1rem;cursor:pointer;color:#fff;background:linear-gradient(135deg,var(--pri),var(--acc));text-decoration:none;display:inline-block;transition:.2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px var(--pri)}.btn.g{background:var(--card);color:var(--fg);border:1px solid var(--bd)}
.list{margin-top:1rem;display:grid;gap:.7rem}.row{display:flex;align-items:center;gap:.9rem;padding:.7rem .9rem;border:1px solid var(--bd);border-radius:1rem;background:var(--bg);animation:slide .45s cubic-bezier(.2,.8,.2,1)}
@keyframes slide{from{opacity:0;transform:translateY(14px)}}
.row img{width:3rem;height:3rem;object-fit:cover;border-radius:.6rem;background:repeating-conic-gradient(#8883 0 25%,transparent 0 50%) 0 0/12px 12px}
.row .i{flex:1;min-width:0}.row .n{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row .s{font-size:.85rem;color:var(--mut)}.row .s.e{color:#ef4444}
.spin{width:1.4rem;height:1.4rem;border:3px solid var(--bd);border-top-color:var(--pri);border-radius:50%;animation:rot .7s linear infinite}@keyframes rot{to{transform:rotate(1turn)}}
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem 1.4rem;color:var(--mut);font-size:.9rem;margin:.5rem 0 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(10rem,1fr));gap:.6rem}.grid .btn{text-align:center;font-weight:500}
.kv{display:grid;grid-template-columns:8rem 1fr;gap:.35rem .9rem;margin-top:1rem;font-size:.95rem}.kv b{color:var(--mut);font-weight:500}.kv span{word-break:break-all}
.big{font-size:clamp(2rem,6vw,3rem);font-weight:800;font-variant-numeric:tabular-nums;color:var(--pri)}
section.p{padding:1rem 0}section.p h2{font-size:1.6rem;letter-spacing:-.01em;margin:.2rem 0 .6rem}section.p p,section.p li{color:var(--mut)}section.p ol{padding-left:1.3rem}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:.9rem}.feat div{padding:1.1rem;border:1px solid var(--bd);border-radius:1.2rem;background:var(--card);transition:.25s}.feat div:hover{transform:translateY(-4px);box-shadow:var(--sh)}.feat b{display:block;margin-bottom:.2rem}
details{border:1px solid var(--bd);border-radius:1rem;padding:.8rem 1rem;margin:.5rem 0;background:var(--card)}summary{cursor:pointer;font-weight:600}details p{margin:.6rem 0 0}
.rel{display:grid;grid-template-columns:repeat(auto-fill,minmax(13rem,1fr));gap:.6rem}.rel a{display:block;padding:.8rem 1rem;border:1px solid var(--bd);border-radius:1rem;text-decoration:none;color:var(--fg);background:var(--card);transition:.2s}.rel a:hover{border-color:var(--pri);transform:translateY(-3px)}
footer{border-top:1px solid var(--bd);margin-top:3rem;padding:2rem 0;color:var(--mut);font-size:.9rem;text-align:center}footer a{color:var(--mut);margin:0 .6rem}
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}html{scroll-behavior:auto}}
.bar{height:.5rem;background:var(--bd);border-radius:9px;overflow:hidden;margin-top:1rem}.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--pri),var(--acc));transition:width .3s}
.row .x{display:flex;gap:.3rem}.row .x button{font:inherit;border:1px solid var(--bd);background:var(--card);color:var(--fg);border-radius:.6rem;width:2.1rem;height:2.1rem;cursor:pointer}.row .x button:hover{border-color:var(--pri)}
#res .row{margin-top:1rem}
.note{padding:.7rem 1rem;border-radius:.9rem;margin-top:.8rem;font-size:.95rem;border:1px solid var(--bd)}.note:empty{display:none}.note.ok{border-color:#22c55e;background:rgba(34,197,94,.12)}.note.err{border-color:#ef4444;background:rgba(239,68,68,.12)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9rem}input[type=number]{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--bd);border-radius:.8rem;padding:.5rem .6rem;width:5.5rem}
.hl{white-space:pre-wrap;word-break:break-word;padding:.8rem;border:1px solid var(--bd);border-radius:.9rem;background:var(--bg);margin-top:.8rem;min-height:3rem}.hl mark{background:rgba(250,204,21,.55);color:inherit;border-radius:3px}
.dbox{max-height:28rem;overflow:auto;border:1px solid var(--bd);border-radius:.9rem;margin-top:.8rem;background:var(--bg)}.dl{display:grid;grid-template-columns:2.6rem 2.6rem 1.2rem 1fr;gap:.3rem;font:.85rem ui-monospace,Menlo,Consolas,monospace;padding:.1rem .5rem;white-space:pre-wrap;word-break:break-word}.dl.add{background:rgba(34,197,94,.18)}.dl.del{background:rgba(239,68,68,.18)}.dl i{color:var(--mut);font-style:normal;text-align:right}
.two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:700px){.two{grid-template-columns:1fr}}.two label{font-weight:600;font-size:.9rem}
.pw{font:clamp(1.15rem,4vw,1.7rem) ui-monospace,Menlo,Consolas,monospace;word-break:break-all;padding:1rem;border:1px solid var(--bd);border-radius:1rem;background:var(--bg);animation:slide .4s}
.str{height:.5rem;border-radius:9px;background:var(--bd);overflow:hidden;margin:.8rem 0 .3rem}.str i{display:block;height:100%;width:0;transition:width .4s,background .4s}
.chk{display:inline-flex;gap:.4rem;align-items:center;margin-right:1rem;color:var(--fg)}.chk input{accent-color:var(--pri)}
.ml{margin:.6rem 0 .3rem;font-size:.9rem;color:var(--mut)}
@media(max-width:760px){nav.m+#theme{margin-left:auto}}#theme{font-size:1.35rem;line-height:1}
.calc{padding:1rem 0;border-bottom:1px solid var(--bd)}.calc:last-child{border:0}.calc p{margin:0;display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.calc input{width:7.5rem}.res{font-size:1.6rem;font-weight:800;color:var(--pri);margin-top:.4rem;font-variant-numeric:tabular-nums;word-break:break-all}
.sw{height:5rem;border-radius:1rem;border:1px solid var(--bd);transition:background .3s;margin:.8rem 0}.cr{display:flex;gap:.6rem;align-items:center;margin:.4rem 0}.cr b{width:3rem;color:var(--mut);font-weight:500}.cr code{flex:1;font-size:1rem}
table.t{width:100%;border-collapse:collapse;margin-top:1rem;font-variant-numeric:tabular-nums}table.t td,table.t th{padding:.4rem .6rem;border-bottom:1px solid var(--bd);text-align:left}