/* Toolsona — one small stylesheet for the whole site */
:root{
  --bg:#fbfaf7; --surface:#ffffff; --surface-2:#f4f2ec; --ink:#1c1b19; --ink-2:#55524b; --ink-3:#8a867c;
  --line:#e7e3d9; --accent:#f2b705; --accent-ink:#1c1b19; --accent-soft:#fff4cc; --brand:#2f5d50; --brand-soft:#e5efe9;
  --danger:#b3261e; --ok:#1f7a4d;
  --radius:16px; --radius-sm:10px; --shadow:0 1px 2px rgba(28,27,25,.04),0 6px 24px rgba(28,27,25,.06);
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#141412; --surface:#1d1c1a; --surface-2:#252421; --ink:#f2efe8; --ink-2:#bdb8ad; --ink-3:#8c877d;
  --line:#33312d; --accent:#f5c22e; --accent-soft:#3a3115; --brand:#8cc7b3; --brand-soft:#1f2e29;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 24px rgba(0,0,0,.25); color-scheme:dark;
}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased}
img,svg,canvas{max-width:100%;display:block}
a{color:var(--brand);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.5vw,2.8rem);font-weight:800}
h2{font-size:1.45rem;margin-top:2.2rem}
h3{font-size:1.1rem}
p{margin:0 0 1em}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:var(--surface);padding:8px 12px;z-index:9}

/* header */
.site-head{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:20px;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.logo svg{width:30px;height:30px}
.nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav a{color:var(--ink-2);text-decoration:none;padding:7px 12px;border-radius:999px;font-size:.93rem;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{background:var(--surface-2);color:var(--ink)}
@media (max-width:640px){.nav .hide-sm{display:none}}

/* hero */
.hero{padding:56px 0 28px}
.hero p.sub{font-size:1.15rem;color:var(--ink-2);max-width:620px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding:0;list-style:none}
.badges li{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.88rem;color:var(--ink-2)}
.badges li::before{content:"✓ ";color:var(--ok);font-weight:700}
.hl{background:linear-gradient(transparent 62%,var(--accent-soft) 62%)}

/* tool grid */
.cat-title{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-3);margin:34px 0 12px;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s,border-color .15s}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 55%,var(--line))}
.card .ico{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:1.3rem;background:var(--accent-soft)}
.card strong{display:block;font-size:1rem;margin-bottom:2px}
.card span{display:block;font-size:.88rem;color:var(--ink-2);line-height:1.45}
.card .tag{display:inline-block;font-style:normal;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--brand);margin-bottom:3px}
.card[id]{scroll-margin-top:80px}

/* tool page */
.crumbs{font-size:.86rem;color:var(--ink-3);padding-top:22px}
.crumbs a{color:var(--ink-3);text-decoration:none}.crumbs a:hover{color:var(--ink)}
.tool-head{padding:10px 0 18px}
.answer{background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:var(--radius-sm);padding:12px 16px;color:var(--ink);font-size:1rem;margin:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin:18px 0}
@media (max-width:560px){.panel{padding:16px}}
.drop{display:grid;place-items:center;text-align:center;gap:6px;border:2px dashed var(--line);border-radius:var(--radius);padding:38px 16px;cursor:pointer;transition:border-color .15s,background .15s;background:var(--surface-2)}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.drop b{font-size:1.05rem}.drop small{color:var(--ink-3)}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.row{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:5px;flex:1 1 160px;min-width:0}
.field label{font-size:.86rem;font-weight:600;color:var(--ink-2)}
input[type=text],input[type=number],input[type=date],input[type=url],input[type=email],input[type=tel],select,textarea{
  font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px;width:100%;min-width:0}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 60%,transparent);outline-offset:1px;border-color:var(--accent)}
input[type=color]{width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);padding:4px}
input[type=range]{width:100%;accent-color:var(--brand)}
textarea{min-height:220px;resize:vertical;line-height:1.6}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;border:0;border-radius:999px;padding:11px 22px;cursor:pointer;background:var(--accent);color:var(--accent-ink);text-decoration:none;transition:filter .15s,transform .05s}
.btn:hover{filter:brightness(.96)}.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.ghost{background:var(--surface-2);color:var(--ink);font-weight:600}
.btn.sm{padding:7px 14px;font-size:.88rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:inherit;font-size:.88rem;border:1px solid var(--line);background:var(--bg);color:var(--ink-2);border-radius:999px;padding:6px 13px;cursor:pointer;text-decoration:none}
.chip:hover,.chip.on{border-color:var(--brand);color:var(--ink);background:var(--brand-soft)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:16px 0}
.stat{background:var(--surface-2);border-radius:var(--radius-sm);padding:12px 14px}
.stat b{display:block;font-size:1.45rem;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{font-size:.82rem;color:var(--ink-3)}
.stat.big{background:var(--accent-soft)}
.msg{font-size:.92rem;color:var(--ink-2);margin:10px 0 0}
.msg.err{color:var(--danger)}.msg.ok{color:var(--ok)}
.files{list-style:none;margin:14px 0;padding:0;display:grid;gap:8px}
.files li{display:flex;align-items:center;gap:10px;background:var(--surface-2);border-radius:var(--radius-sm);padding:8px 10px;font-size:.92rem}
.files li img{width:40px;height:40px;object-fit:cover;border-radius:6px}
.files .name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.files .meta{color:var(--ink-3);font-size:.82rem}
.iconbtn{font:inherit;border:0;background:transparent;color:var(--ink-2);cursor:pointer;padding:4px 7px;border-radius:6px}
.iconbtn:hover{background:var(--line);color:var(--ink)}
.result{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start;margin-top:18px}
@media (max-width:700px){.result{grid-template-columns:1fr}}
.preview{background:repeating-conic-gradient(var(--surface-2) 0 25%,var(--surface) 0 50%) 0 0/18px 18px;border:1px solid var(--line);border-radius:var(--radius-sm);display:grid;place-items:center;min-height:180px;padding:10px}
.preview img,.preview canvas{max-height:360px;width:auto;border-radius:4px}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:16px}
.thumbs figure{margin:0;background:var(--surface-2);border-radius:var(--radius-sm);padding:8px;text-align:center;font-size:.85rem}
.thumbs img{margin:0 auto 6px;border-radius:4px;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:.92rem;font-variant-numeric:tabular-nums}
th,td{text-align:right;padding:8px 10px;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
th{color:var(--ink-3);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}
.table-scroll{overflow-x:auto}
.donut{width:150px;height:150px;border-radius:50%;margin:0 auto;position:relative}
.donut::after{content:"";position:absolute;inset:26px;border-radius:50%;background:var(--surface)}
.legend{display:flex;gap:16px;justify-content:center;font-size:.86rem;color:var(--ink-2);margin-top:10px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:middle}
.qr-out{display:grid;place-items:center;background:var(--surface-2);border-radius:var(--radius-sm);padding:18px;min-height:260px}

/* article */
.article{padding-bottom:20px}
.article ol,.article ul{padding-left:1.3em}
.article li{margin:.3em 0}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);margin:8px 0;padding:0 16px}
.faq summary{cursor:pointer;font-weight:650;padding:13px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--ink-3);font-size:1.2rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--ink-2)}
.updated{font-size:.85rem;color:var(--ink-3)}
.guide-meta{font-size:.9rem;color:var(--ink-3);margin:-4px 0 14px}
.cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;background:var(--accent-soft);border-radius:var(--radius);padding:16px 18px;margin:24px 0}
.cta .ico{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:1.3rem;background:var(--surface)}
.cta div{flex:1 1 220px}.cta strong{display:block}.cta span{display:block;font-size:.9rem;color:var(--ink-2)}
.article table th,.article table td{text-align:left}
.article table{margin:8px 0 18px}
.ad-slot{margin:22px 0;min-height:0}

/* footer */
.site-foot{border-top:1px solid var(--line);margin-top:56px;padding:34px 0 40px;font-size:.92rem;color:var(--ink-2);background:var(--surface)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
.site-foot h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-3);margin:0 0 10px}
.site-foot ul{list-style:none;margin:0;padding:0}.site-foot li{margin:5px 0}
.site-foot a{color:var(--ink-2);text-decoration:none}.site-foot a:hover{color:var(--ink);text-decoration:underline}
.copy{margin-top:26px;font-size:.84rem;color:var(--ink-3)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}