:root{--fg:#0f1218;--mut:#586070;--acc:#3b5bff;--acc2:#2744d6;--bad:#d03a34;--ok:#0b8457;
--glass:rgba(255,255,255,.55);--glass2:rgba(255,255,255,.35);--edge:rgba(255,255,255,.75);--line:rgba(15,18,24,.09);
--shadow:0 8px 32px rgba(40,50,90,.12),inset 0 1px 0 rgba(255,255,255,.9);--bg1:#eef1ff;--bg2:#ffe9f3;--bg3:#e4f7ff}
@media(prefers-color-scheme:dark){:root{--fg:#eef0f5;--mut:#a0a8b6;--acc:#7b93ff;--acc2:#9aadff;
--glass:rgba(28,32,44,.55);--glass2:rgba(28,32,44,.35);--edge:rgba(255,255,255,.12);--line:rgba(255,255,255,.08);
--shadow:0 8px 32px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.1);--bg1:#0c0e16;--bg2:#1a1030;--bg3:#0b1a26}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;min-height:100vh;color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Inter","SF Pro Text","Segoe UI",Roboto,sans-serif;
background:radial-gradient(900px 600px at 10% -10%,var(--bg2),transparent 60%),radial-gradient(800px 600px at 100% 0%,var(--bg3),transparent 60%),
radial-gradient(900px 700px at 50% 110%,var(--bg1),transparent 60%),var(--bg1);background-attachment:fixed}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
header.top{position:sticky;top:12px;z-index:10;margin:12px 16px 0}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:54px;max-width:820px;padding:0 20px;
background:var(--glass);border:1px solid var(--edge);border-radius:999px;box-shadow:var(--shadow);
-webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%)}
.logo{font-weight:700;letter-spacing:-.02em;color:var(--fg);font-size:17px}.logo span{color:var(--acc)}
nav a{color:var(--mut);font-size:14px}
main{padding:48px 0 16px}
h1{font-size:36px;line-height:1.1;letter-spacing:-.035em;margin:0 0 10px}
h2{font-size:19px;letter-spacing:-.02em;margin:44px 0 14px}
.lead{color:var(--mut);font-size:18px;margin:0 0 28px}
.card,.stat,.tile,.out,.result,.support{background:var(--glass);border:1px solid var(--edge);box-shadow:var(--shadow);
-webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%)}
.card{border-radius:24px;padding:26px}
.field{margin-bottom:16px}
label{display:block;font-size:12px;font-weight:600;color:var(--mut);margin-bottom:7px;text-transform:uppercase;letter-spacing:.06em}
input,textarea,select{width:100%;padding:12px 14px;font:inherit;color:var(--fg);background:var(--glass2);border:1px solid var(--line);
border-radius:14px;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus,select:focus{border-color:var(--acc);box-shadow:0 0 0 4px color-mix(in srgb,var(--acc) 20%,transparent)}
textarea{min-height:140px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}
input[type=color]{height:46px;padding:4px;cursor:pointer}
input[type=checkbox],input[type=radio]{width:auto}
input[type=range]{padding:0;accent-color:var(--acc)}
.row{display:flex;gap:14px;flex-wrap:wrap}.row>*{flex:1;min-width:140px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;font:inherit;font-weight:600;color:#fff;cursor:pointer;
background:linear-gradient(180deg,color-mix(in srgb,var(--acc) 85%,#fff),var(--acc));border:1px solid rgba(255,255,255,.35);border-radius:999px;
box-shadow:0 6px 20px color-mix(in srgb,var(--acc) 35%,transparent),inset 0 1px 0 rgba(255,255,255,.45);transition:transform .12s,filter .12s;width:auto}
.btn:hover{filter:brightness(1.07);transform:translateY(-1px)}.btn:active{transform:none}
.btn.secondary{color:var(--fg);background:var(--glass);box-shadow:var(--shadow);border-color:var(--edge)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.out,.result{margin-top:18px;padding:16px 18px;border-radius:16px;white-space:pre-wrap;word-break:break-word;
font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}
.preview{height:200px;border-radius:18px;border:1px solid var(--edge);box-shadow:var(--shadow)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-top:18px}
.stat{border-radius:16px;padding:16px}.stat b{display:block;font-size:26px;letter-spacing:-.02em}.stat small{color:var(--mut)}
.err{color:var(--bad);min-height:1.2em;font-size:14px;margin-top:8px}.okc{color:var(--ok)}
details{border-bottom:1px solid var(--line);padding:14px 0}summary{cursor:pointer;font-weight:600}details p{margin:10px 0 0;color:var(--mut)}
/* home */
.search{max-width:520px;margin:0 0 18px}
.search input{border-radius:999px;padding:14px 20px;background:var(--glass);box-shadow:var(--shadow);border:1px solid var(--edge)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.chip{padding:7px 14px;border-radius:999px;font:inherit;font-size:13px;font-weight:600;color:var(--mut);cursor:pointer;background:var(--glass2);border:1px solid var(--edge)}
.chip.on{color:#fff;background:var(--acc);border-color:transparent}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.tile{display:block;padding:18px;border-radius:20px;color:var(--fg);transition:transform .15s}
.tile:hover{transform:translateY(-3px);text-decoration:none}
.tile b{display:block;margin-bottom:4px;letter-spacing:-.01em}
.tile span{color:var(--mut);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.more{display:block;margin:26px auto 0}
.hidden{display:none!important}
.support{margin-top:44px;padding:18px 20px;border-radius:18px;color:var(--mut);font-size:14px}
footer{margin-top:48px;padding:26px 0 40px;color:var(--mut);font-size:13px}footer a{color:var(--mut);margin-right:16px}
@media(max-width:560px){h1{font-size:29px}.card{padding:20px}}