*{box-sizing:border-box}
:root{--bg:#0b0f19;--card:rgba(255,255,255,.05);--bd:rgba(255,255,255,.11);--t:#f1f5f9;--m:#94a3b8;--a:#f59e0b;--s:#38bdf8;--g:linear-gradient(120deg,#f59e0b,#38bdf8)}
@media(prefers-color-scheme:light){:root{--bg:#f4f7fb;--card:rgba(255,255,255,.8);--bd:rgba(15,23,42,.12);--t:#0f172a;--m:#52627a}}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font:16px/1.7 system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;background:var(--bg);color:var(--t);
background-image:radial-gradient(700px 420px at 12% -5%,rgba(245,158,11,.22),transparent),radial-gradient(760px 480px at 95% 5%,rgba(56,189,248,.2),transparent)}
.w{max-width:960px;margin:auto;padding:0 20px}
header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding:18px 0}
.lg{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--t);text-decoration:none;letter-spacing:.3px}.lg img{width:38px;height:38px}
.lang{display:flex;gap:4px;flex-wrap:wrap;background:var(--card);border:1px solid var(--bd);border-radius:99px;padding:4px;backdrop-filter:blur(10px)}
.lang a{color:var(--m);font-size:13px;padding:4px 11px;border-radius:99px;text-decoration:none}.lang a.on{background:var(--g);color:#0b0f19;font-weight:700}
.hero{text-align:center;padding:26px 0 18px}
.bdg{display:inline-block;font-size:13px;padding:5px 14px;border:1px solid var(--bd);border-radius:99px;background:var(--card);color:var(--m)}
h1{font-size:clamp(30px,6vw,54px);line-height:1.1;margin:16px 0 10px;letter-spacing:-.02em}
h1 b{background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--m);max-width:640px;margin:0 auto}
.chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:16px}.chips i{font-style:normal;font-size:12px;padding:3px 11px;border-radius:99px;border:1px solid var(--bd);color:var(--s)}
.tool{background:var(--card);border:1px solid var(--bd);border-radius:24px;padding:18px;backdrop-filter:blur(14px);box-shadow:0 20px 60px rgba(0,0,0,.25)}
#dz{display:block;text-align:center;cursor:pointer;font-weight:600;padding:52px 16px;border-radius:18px;border:2px solid transparent;
background:linear-gradient(var(--bg),var(--bg)) padding-box,var(--g) border-box;transition:.2s}
#dz:hover,#dz.o{transform:scale(1.01);box-shadow:0 0 0 6px rgba(56,189,248,.15)}#dz small{display:block;color:var(--m);font-weight:400;margin-top:6px}
#dz svg{width:44px;height:44px;stroke:url(#gr);margin-bottom:6px}input[type=file]{display:none}
.ct{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:14px}
.ct label{display:flex;flex-direction:column;font-size:12px;color:var(--m);gap:5px;text-transform:uppercase;letter-spacing:.5px}
.ct select,.ct input{padding:10px;border-radius:11px;border:1px solid var(--bd);background:rgba(127,127,127,.1);color:var(--t);font-size:15px}
.ct input[type=range]{padding:0;accent-color:var(--a);height:40px}
#ls{margin-top:14px}.r{display:flex;align-items:center;gap:12px;border:1px solid var(--bd);border-radius:14px;padding:10px;margin-bottom:8px;flex-wrap:wrap;animation:in .3s}
@keyframes in{from{opacity:0;transform:translateY(8px)}}
.r img{width:56px;height:56px;object-fit:cover;border-radius:10px;cursor:pointer}.r span{flex:1;min-width:150px;font-size:14px;word-break:break-all}.r em{font-style:normal;color:#22c55e;font-weight:700}
.btn{border:0;cursor:pointer;background:var(--g);color:#0b0f19;padding:9px 16px;border-radius:10px;font-weight:700;font-size:14px;text-decoration:none}
.btn.g{background:transparent;border:1px solid var(--bd);color:var(--t)}
#bar{display:none;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-top:6px}#bar b{color:#22c55e}
.pv{text-align:center;color:var(--m);font-size:13px;margin:14px 0 0}
#cm{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:9;align-items:center;justify-content:center;flex-direction:column;gap:12px;padding:16px}#cm.show{display:flex}
.cw{position:relative;max-width:min(92vw,900px)}.cw img{display:block;max-width:100%;max-height:72vh;border-radius:12px}.cw img.top{position:absolute;inset:0}
.cw u{position:absolute;top:8px;font-size:12px;background:rgba(0,0,0,.6);color:#fff;padding:2px 10px;border-radius:99px;text-decoration:none}
#cm input{width:min(92vw,500px);accent-color:var(--a)}
.ad{display:none;margin:22px auto;max-width:728px;min-height:90px;text-align:center}.ad.on{display:block}.ad.on:before{content:"Advertisement";display:block;font-size:10px;color:var(--m);letter-spacing:1px;text-transform:uppercase}
section{padding:16px 0}h2{font-size:23px;margin:0 0 8px}.c{color:var(--m)}
details{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:12px 16px;margin-bottom:8px}summary{font-weight:600;cursor:pointer}details p{margin:8px 0 0;color:var(--m)}
footer{border-top:1px solid var(--bd);margin-top:20px;padding:22px 0 36px;text-align:center;color:var(--m);font-size:14px}footer a{color:var(--m);margin:0 8px}
.tl{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:14px;margin:8px 0}
.tl a{display:block;text-decoration:none;color:var(--t);background:var(--card);border:1px solid var(--bd);border-radius:18px;padding:18px;transition:.2s;backdrop-filter:blur(10px)}
.tl a:hover{transform:translateY(-3px);border-color:var(--s)}.tl b{display:block;font-size:18px;margin-bottom:4px}.tl span{color:var(--m);font-size:14px}
.tl i{font-style:normal;font-size:26px;display:block;margin-bottom:6px}
.bc{font-size:13px;color:var(--m);margin:6px 0}.bc a{color:var(--s);text-decoration:none}
.opts{display:none}.opts.on{display:grid}.hid{display:none}
.th{width:48px;height:60px;border-radius:6px;overflow:hidden;background:#fff;flex:none}.th canvas,.th img{width:100%;height:100%;object-fit:cover}
.pgs{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;margin-top:14px}
.pc{border:1px solid var(--bd);border-radius:12px;padding:8px;text-align:center;cursor:grab;background:rgba(127,127,127,.06)}.pc.x{opacity:.3}
.pc .cv{height:150px;display:flex;align-items:center;justify-content:center;overflow:hidden}.pc canvas{max-width:100%;max-height:100%;background:#fff;transition:transform .2s}
.pc small{color:var(--m)}.pc button{border:0;background:none;color:var(--t);cursor:pointer;font-size:16px;padding:2px 5px}
.run{margin-top:14px;width:100%;padding:14px;font-size:17px}.run:disabled{opacity:.5}#st{text-align:center;color:var(--s);min-height:22px;font-size:14px;margin-top:8px}
.r .mv{display:flex;gap:4px}.r .mv button{padding:6px 10px}.r img.pv2{width:44px;height:56px;object-fit:cover;border-radius:6px}
/* fix: dropdown/inputs unreadable in dark mode */
:root{color-scheme:dark}
@media(prefers-color-scheme:light){:root{color-scheme:light}}
.ct select,.ct input{background:var(--bg);color:var(--t);border:1px solid var(--bd)}
.ct select option{background:var(--bg);color:var(--t)}
.ct input::placeholder{color:var(--m);opacity:.8}
.qg{display:grid;grid-template-columns:1fr 330px;gap:20px}@media(max-width:780px){.qg{grid-template-columns:1fr}}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.tabs button{border:1px solid var(--bd);background:transparent;color:var(--m);padding:7px 14px;border-radius:99px;cursor:pointer;font-size:14px}
.tabs button.on{background:var(--g);color:#0b0f19;border-color:transparent;font-weight:700}
.fl{display:grid;gap:10px}.fl label,.ds label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--m);text-transform:uppercase;letter-spacing:.4px}
.fl input,.fl textarea,.fl select,.ds select,.ds input[type=number]{padding:11px;border-radius:11px;border:1px solid var(--bd);background:var(--bg);color:var(--t);font-size:15px;font-family:inherit;text-transform:none}
.fl textarea{min-height:90px;resize:vertical}
.ds{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-top:14px}
.ds input[type=color]{width:100%;height:42px;padding:2px;border-radius:10px;border:1px solid var(--bd);background:var(--bg);cursor:pointer}
.ds .ck{flex-direction:row;align-items:center;gap:8px;text-transform:none;font-size:14px;color:var(--t)}
.pv3{background:repeating-conic-gradient(rgba(127,127,127,.18) 0 25%,transparent 0 50%) 0 0/16px 16px;border-radius:16px;padding:14px;display:flex;align-items:center;justify-content:center;min-height:260px}
.pv3 canvas{max-width:100%;height:auto;border-radius:6px}.pv3 p{color:var(--m);text-align:center;font-size:14px}
.acts{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.acts .btn{flex:1;min-width:90px}
.wn{font-size:13px;color:#fbbf24;margin:8px 0 0}.sc{font-size:13px;margin:8px 0 0}.sc.ok{color:#22c55e}.sc.bad{color:#f87171}
.ds{align-items:end}.ds select,.ds input[type=number]{color:var(--t)}

/* ===== bright theme (always light, no dark mode) ===== */
:root{color-scheme:light;--bg:#fffbf5;--card:#ffffff;--bd:rgba(30,41,59,.10);--t:#0f172a;--m:#5b6b82;--a:#f59e0b;--s:#0ea5e9;--g:linear-gradient(115deg,#f59e0b 0%,#fb7185 52%,#38bdf8 100%)}
body{background:radial-gradient(900px 520px at 8% -8%,rgba(251,191,36,.38),transparent 60%),radial-gradient(800px 520px at 96% 0,rgba(56,189,248,.32),transparent 60%),radial-gradient(700px 500px at 50% 108%,rgba(251,113,133,.20),transparent 60%),var(--bg);background-attachment:fixed}
.tool{background:#fff;border-color:rgba(30,41,59,.08);box-shadow:0 30px 70px -20px rgba(14,165,233,.30),0 8px 24px rgba(15,23,42,.06)}
.lang,.bdg{background:#fff;box-shadow:0 2px 10px rgba(15,23,42,.05)}.bdg{color:#475569}
.chips i{background:#fff;color:#0369a1;border-color:rgba(14,165,233,.3)}
.tl a{background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.05)}.tl a:hover{box-shadow:0 18px 40px -10px rgba(14,165,233,.38);border-color:#38bdf8}
.btn{color:#0f172a}.btn.g{background:#fff;color:#0f172a}
details,.r,.res,.pc{background:#fff}
.ct select,.ct input,.fl input,.fl textarea,.fl select,.ds select,.ds input[type=number],.url input{background:#f8fafc;color:#0f172a}
.ct select option{background:#fff;color:#0f172a}
#dz{background:linear-gradient(#fff,#fff) padding-box,var(--g) border-box}
.ds input[type=color]{background:#fff}
footer{background:rgba(255,255,255,.75)}
.err{color:#e11d48}.wn{color:#b45309}.r em,.sc.ok{color:#16a34a}.sc.bad{color:#e11d48}

/* ---- text tools ---- */
.pane{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:780px){.pane{grid-template-columns:1fr}}
.pl{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--m);margin:2px 0 6px;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.pl .acts{margin:0}.pl .btn{padding:5px 12px;font-size:13px;min-height:32px;flex:none}
.tx{width:100%;min-height:230px;padding:14px;border-radius:14px;border:1px solid var(--bd);background:#f8fafc;color:var(--t);font:15px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,"Segoe UI",Tahoma,sans-serif;resize:vertical}
.tx:focus,.opts2 select:focus,.opts2 input:focus{outline:2px solid rgba(14,165,233,.45);border-color:transparent}
.opts2{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:14px 0;align-items:end}
.opts2 label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--m);text-transform:uppercase;letter-spacing:.4px}
.opts2 label.ck{flex-direction:row;align-items:center;gap:8px;text-transform:none;letter-spacing:0;font-size:14px;color:var(--t);min-height:42px}
.opts2 select,.opts2 input[type=number]{padding:10px;border-radius:11px;border:1px solid var(--bd);background:#f8fafc;color:var(--t);font-size:15px}
.opts2 input[type=range]{accent-color:#f59e0b;height:36px}
.sg{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:14px 0}
.sg div{border:1px solid var(--bd);border-radius:14px;padding:12px;text-align:center;background:linear-gradient(180deg,#fff,#fffaf0)}.sg b{display:block;font-size:1.5rem}.sg span{font-size:12px;color:var(--m)}
.kwh{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--m);margin:14px 0 8px}
.msg{font-size:14px;margin:10px 0 0;min-height:22px;word-break:break-word}.msg.ok{color:#16a34a}.msg.bad{color:#e11d48}
.hr{display:flex;gap:10px;align-items:center;border:1px solid var(--bd);border-radius:12px;padding:10px 12px;margin-bottom:8px;flex-wrap:wrap;background:#fff}
.hr b{min-width:74px}.hr code{flex:1;min-width:180px;word-break:break-all;font:13px/1.4 ui-monospace,Menlo,Consolas,monospace;direction:ltr;text-align:left}
.hr .btn{padding:6px 14px;min-height:34px;font-size:13px}
.meter{height:8px;border-radius:99px;background:#e2e8f0;overflow:hidden;margin:6px 0 4px}.meter i{display:block;height:100%;border-radius:99px;transition:.3s}
.st2{display:flex;justify-content:space-between;font-size:13px;color:var(--m)}
.pwb{margin:14px 0}.pwb .btn{padding:12px 22px}
.tool+section,.tool+.ad+section{margin-top:22px}