/* ==========================================================================
   ToolNest — Dark Modern design system (polished edition)
   Complete replacement for style.css. All code written fresh for this site.
   Dark theme #0A0A0B / #121214, violet accent #7C5CFF,
   Space Grotesk (display) + Inter (body). Mobile-first, glass header only.
   ========================================================================== */
:root{
  --bg:#0A0A0B; --surface:#121214; --surface2:#1A1A1E; --surface3:#222228;
  --border:#26262C; --border2:#33333B;
  --text:#F4F4F5; --muted:#A1A1AA; --muted2:#71717A;
  --accent:#7C5CFF; --accent-hover:#9375FF;
  --accent2:#A78BFA; /* lighter violet — links, tags, small accents on dark */
  --accent-soft:rgba(124,92,255,.14);
  --accent-soft2:rgba(124,92,255,.22);
  --green:#22C55E; --green-dark:#16A34A; --green-soft:rgba(34,197,94,.12);
  --amber:#F59E0B; --red:#EF4444;
  --radius:20px; --radius-sm:14px; --radius-xs:10px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.35);
  --shadow-md:0 8px 24px rgba(0,0,0,.45);
  --shadow-lift:0 10px 28px rgba(0,0,0,.5);
  --font-display:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,Menlo,Consolas,"SF Mono",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--font-display);line-height:1.15;letter-spacing:-.02em;color:var(--text)}
h1{font-size:clamp(32px,5vw,40px)}
h2{font-size:clamp(24px,3vw,28px);margin-bottom:12px}
h3{font-size:17px;margin-bottom:8px}
p{color:var(--muted)}
::selection{background:var(--accent);color:#fff}
img,canvas,video{max-width:100%;height:auto}
button,input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
@media(max-width:560px){.container{padding:0 16px}}

/* ---- Icons (flat, matte, currentColor tint — never gradients) ---- */
.ic{width:24px;height:24px;flex:none;display:inline-block;vertical-align:-4px}
.ic-sm{width:18px;height:18px;flex:none;display:inline-block;vertical-align:-3px}
.t-icon,.cat-icon{color:var(--accent2);line-height:1}
.t-icon .ic{width:26px;height:26px}
.cat-icon .ic{width:30px;height:30px}

/* ---- Header — glass, the only glassmorphism on the site ---- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,10,11,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.logo{font-family:var(--font-display);font-weight:700;font-size:22px;color:var(--text);letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.logo:hover{text-decoration:none}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--accent);display:grid;place-items:center;font-size:17px;color:#fff;flex:none}
.logo span em{font-style:normal;color:var(--accent)}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{color:var(--muted);font-size:14.5px;padding:8px 11px;border-radius:9px;transition:background .15s ease,color .15s ease}
.nav a:hover{color:var(--text);background:var(--surface2);text-decoration:none}
.search-btn{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--surface2);border:1px solid var(--border);color:var(--muted);padding:8px 12px;border-radius:11px;cursor:pointer;min-height:40px;transition:border-color .15s ease,color .15s ease}
.search-btn:hover{border-color:var(--border2);color:var(--text)}
.search-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.search-btn kbd{background:var(--surface3);border:1px solid var(--border2);border-radius:5px;padding:1px 6px;font-size:12px;font-family:inherit}
@media(max-width:760px){.nav{display:none}.search-btn span{display:none}.search-btn kbd{display:none}}

/* ---- Hero ---- */
.hero{padding:52px 0 8px;text-align:center}
.hero h1{margin-bottom:12px}
.hero h1 .grad{color:var(--accent2);background:none;-webkit-background-clip:initial;background-clip:initial}
.hero p{font-size:17px;max-width:640px;margin:0 auto}
.hero-search{max-width:620px;margin:26px auto 0;display:flex;gap:10px}
.hero-search input{flex:1;background:var(--surface);border:1px solid var(--border2);color:var(--text);border-radius:13px;padding:14px 16px;min-height:52px;transition:border-color .15s ease,box-shadow .15s ease}
.hero-search input::placeholder{color:var(--muted2)}
.hero-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:26px 0 8px}
.trust-pill{background:var(--accent-soft);border:1px solid rgba(124,92,255,.35);color:#D6CBFF;font-size:14px;font-weight:600;padding:8px 14px;border-radius:999px}
.trust-pill.green{background:var(--green-soft);border-color:rgba(34,197,94,.35);color:#86EFAC}

/* ---- Bento grid ---- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin:34px 0}
.bento-cell{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative;overflow:hidden;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.bento-cell:hover{border-color:var(--border2);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.bento-cell h2,.bento-cell h3{margin-bottom:6px}
.bento-cell p{font-size:14.5px}
.bento-large{grid-column:span 4}
.bento-med{grid-column:span 2}
.bento-small{grid-column:span 2}
.bento-wide{grid-column:span 3}
.cat-icon{font-size:30px;margin-bottom:12px}
.cat-link{display:block;color:var(--text)}
.cat-link:hover{text-decoration:none}
.cat-link .count{font-size:13px;color:var(--muted2);margin-top:10px;display:block}
.cat-link .arrow{position:absolute;top:20px;right:20px;color:var(--muted2);transition:transform .18s ease,color .18s ease}
.cat-link:hover .arrow{transform:translateX(3px);color:var(--accent2)}
@media(max-width:760px){.bento{grid-template-columns:1fr}.bento-large,.bento-med,.bento-small,.bento-wide{grid-column:span 1}.hero{padding-top:36px}}

/* ---- Tool cards grid ---- */
.section{margin:64px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}
.section-head h2{margin-bottom:0}
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.tool-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.tool-grid{grid-template-columns:1fr;gap:14px}}
.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:block;color:var(--text);transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.tool-card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-md)}
.tool-card:active{transform:translateY(-1px)}
.tool-card .t-icon{font-size:26px;margin-bottom:10px}
.tool-card h3{font-size:17px}
.tool-card p{font-size:14px;margin-top:4px}
/* Heading-level safety: a future H3 -> H2 retag (SEO heading order) must
   not change how anything renders. These make h2 identical to h3 inside
   tool cards and result boxes. */
.tool-card h2{font-size:17px;margin-bottom:8px}
.result-box h2{font-size:17px;margin-bottom:6px}
.tool-card .tag{display:inline-block;margin-top:12px;font-size:12px;font-weight:600;color:var(--accent2);background:var(--accent-soft);padding:3px 9px;border-radius:999px}

/* ---- Why free ---- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.why-grid{grid-template-columns:1fr}}
.why-cell{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:border-color .18s ease,transform .18s ease}
.why-cell:hover{border-color:var(--border2);transform:translateY(-2px)}
.why-cell h3{font-size:17px}

/* ---- Tool page ---- */
.breadcrumb{font-size:13.5px;color:var(--muted2);margin:26px 0 14px}
.breadcrumb a{color:var(--muted)}
.tool-hero{margin-bottom:20px}
.tool-hero h1{margin-bottom:8px}
.tool-hero p{font-size:17px;max-width:720px;margin-top:8px}
.tool-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin:18px 0}
@media(max-width:560px){.tool-box{padding:18px}}
@media(max-width:380px){.tool-box{padding:16px}}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px;color:var(--text)}
.field .hint{font-size:13px;color:var(--muted2);font-weight:400}
input[type=text],input[type=number],input[type=date],input[type=url],select,textarea{background:var(--surface2);border:1px solid var(--border2);color:var(--text);border-radius:11px;padding:11px 13px;width:100%;min-height:46px;transition:border-color .15s ease,box-shadow .15s ease}
input:hover,select:hover,textarea:hover{border-color:var(--border2)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{min-height:120px;resize:vertical;font-family:var(--font-mono);font-size:13.5px}
input[type=range]{width:100%;accent-color:var(--accent);min-height:32px}
input[type=file]{background:var(--surface2);border:1px dashed var(--border2);border-radius:11px;padding:14px;width:100%;color:var(--muted)}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);flex:none}
.check-row{display:flex;align-items:center;gap:9px;margin:7px 0;font-size:15px}
.check-row label{margin-bottom:0;font-weight:400}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;font-weight:600;border:0;border-radius:12px;padding:12px 20px;min-height:48px;cursor:pointer;font-size:15px;transition:background .15s ease,transform .12s ease,box-shadow .15s ease;text-decoration:none}
.btn:hover{background:var(--accent-hover);text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(0) scale(.98);box-shadow:none}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn.secondary{background:var(--surface3);color:var(--text);border:1px solid var(--border2)}
.btn.secondary:hover{background:var(--surface2);border-color:var(--border2)}
.btn.green{background:var(--green)}
.btn.green:hover{background:var(--green-dark)}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.btn-row .btn{flex:0 1 auto}
/* Copy / download hooks (added by rewrite_results.py) */
.btn-copy{background:var(--surface3);color:var(--text);border:1px solid var(--border2)}
.btn-copy:hover{background:var(--surface2);border-color:var(--accent)}
.btn-download{background:var(--green);padding:13px 24px}
.btn-download:hover{background:var(--green-dark)}
.copy-msg{color:var(--green);font-weight:600}

/* ---- Result card (the shared result pattern) ---- */
.result-box{background:var(--surface2);border:1px solid var(--border);border-radius:16px;padding:20px;margin-top:18px;display:none;position:relative}
.result-box.show{display:block}
.result-box h3{margin-bottom:6px}
/* Rewritten boxes stay visible and show a muted empty state until .show */
.result-box:has(.result-empty){display:block}
.result-box:has(.result-empty) .result-content{display:none}
.result-box:has(.result-empty).show .result-content{display:block;animation:resultIn .25s ease}
.result-box:has(.result-empty) .result-empty{display:flex}
.result-box:has(.result-empty).show .result-empty{display:none}
/* Success state: subtle green left border + "Done" check (rewritten boxes only) */
.result-box.show:has(.result-content){border-left:3px solid var(--green)}
.result-box.show:has(.result-content)::before{content:"✓ Done";display:inline-block;font-size:12.5px;font-weight:600;color:#86EFAC;background:var(--green-soft);border:1px solid rgba(34,197,94,.3);padding:4px 11px;border-radius:999px;margin-bottom:12px}
@keyframes resultIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
/* Empty state (before calculation) */
.result-empty{flex-direction:column;align-items:center;gap:10px;text-align:center;border:1.5px dashed var(--border2);border-radius:12px;padding:26px 16px;color:var(--muted2)}
.result-empty p{color:var(--muted2);font-size:14.5px;margin:0}
.result-empty-icon{width:26px;height:26px;color:var(--muted2);flex:none}
/* Hero value: one large figure + small uppercase label above it */
.result-hero{padding:4px 2px 16px}
.result-hero-label{font-size:11.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted2);margin-bottom:6px}
.result-hero-value{font-family:var(--font-display);font-size:34px;font-weight:700;line-height:1.1;letter-spacing:-.02em;color:var(--text);word-break:break-word;overflow-wrap:anywhere}
.result-hero-value .unit{font-size:18px;font-weight:600;color:var(--muted);margin-left:4px}
/* Ruled breakdown rows: label left, value right, hairline dividers */
.result-rows{margin-top:2px;border-top:1px solid var(--border)}
.result-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:11px 2px;border-bottom:1px solid var(--border)}
.result-row:last-child{border-bottom:0}
.result-row-label{font-size:14.5px;color:var(--muted)}
.result-row-value{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--text);text-align:right;word-break:break-word;overflow-wrap:anywhere}
.result-row.total .result-row-label{color:var(--text);font-weight:600}
.result-row.total .result-row-value{font-weight:700}
/* Textarea-output tools: the output is the hero */
textarea.result-output{font-family:var(--font-mono);font-size:14px;line-height:1.55;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px;min-height:110px}
/* Structured proof elements, one per tool type */
.result-proof{margin-top:16px}
.result-proof-note{font-size:13px;color:var(--muted2);margin-top:8px}
/* Worked-steps line for converters ("20% × $60 = $12") */
.worked-steps{font-family:var(--font-mono);font-size:13.5px;line-height:1.55;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xs);padding:10px 12px;margin-top:14px}
/* Principal-vs-interest split bar for finance tools (segments sized by JS) */
.split-bar{display:flex;height:10px;border-radius:99px;overflow:hidden;background:var(--surface3);margin-top:6px}
.split-bar i{display:block;height:100%}
.split-bar .seg-principal{background:var(--accent)}
.split-bar .seg-interest{background:var(--amber)}
.split-legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px;font-size:13px;color:var(--muted)}
.split-legend span{display:inline-flex;align-items:center;gap:6px}
.split-legend i{width:9px;height:9px;border-radius:3px;display:inline-block}
.split-legend .sw-principal{background:var(--accent)}
.split-legend .sw-interest{background:var(--amber)}
/* Colour category scale for BMI / health tools */
.scale-bar{display:flex;border-radius:var(--radius-xs);overflow:hidden;border:1px solid var(--border)}
.scale-seg{padding:8px 4px;font-size:11px;font-weight:600;color:#fff;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.seg-under{background:#3B82F6}
.seg-healthy{background:var(--green)}
.seg-over{background:var(--amber)}
.seg-obese{background:var(--red)}
/* Legacy stat grid — kept for live tools (word counter, timers) that the
   rewrite script leaves untouched; still gets the polished card treatment */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-top:12px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 14px;transition:border-color .18s ease,transform .18s ease}
.stat:hover{border-color:var(--border2);transform:translateY(-2px)}
.stat .num{font-family:var(--font-display);font-size:24px;font-weight:700;line-height:1.15;word-break:break-word;overflow-wrap:anywhere}
.stat .lbl{font-size:12.5px;color:var(--muted);margin-top:2px}
.progress{height:8px;background:var(--surface3);border-radius:99px;overflow:hidden;margin-top:8px}
.progress i{display:block;height:100%;background:var(--green);width:0;border-radius:99px}
.muted{color:var(--muted)}
.small{font-size:13.5px}
.dropzone{border:2px dashed var(--border2);border-radius:var(--radius-sm);padding:26px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease}
.dropzone:hover,.dropzone.over{border-color:var(--accent);color:var(--text);background:var(--accent-soft)}
.dropzone:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.file-list{list-style:none;margin-top:12px}
.file-list li{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:9px 12px;font-size:14px;margin-bottom:8px;display:flex;justify-content:space-between;gap:10px}
.file-list li code{font-family:var(--font-mono);font-size:13px;word-break:break-all}
.file-list button{background:none;border:0;color:var(--red);cursor:pointer;font-size:14px}

/* ---- Ad placeholder — clearly labelled, never intrusive ---- */
.ad-slot{background:var(--surface);border:1px dashed var(--border2);border-radius:var(--radius-sm);padding:18px;text-align:center;color:var(--muted2);font-size:13px;margin:26px 0;min-height:90px;display:flex;align-items:center;justify-content:center}
.ad-slot span{letter-spacing:.08em;text-transform:uppercase;font-size:11px}

/* ---- How to / FAQ / related ---- */
main>h2{margin-top:44px}
.howto{counter-reset:step;margin:14px 0}
.howto li{list-style:none;counter-increment:step;padding:12px 0 12px 46px;position:relative;border-bottom:1px solid var(--border);font-size:15px}
.howto li:last-child{border-bottom:0}
.howto li::before{content:counter(step);position:absolute;left:0;top:10px;width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent2);display:grid;place-items:center;font-weight:700;font-family:var(--font-display)}
details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:10px;transition:border-color .15s ease}
details:hover{border-color:var(--border2)}
details summary{cursor:pointer;font-weight:600;font-size:15px;color:var(--text)}
details p{margin-top:8px;font-size:14.5px}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:560px){.related-grid{grid-template-columns:1fr}}
.related-grid a{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;color:var(--text);font-weight:600;font-size:14.5px;transition:border-color .18s ease,transform .18s ease}
.related-grid a:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}

/* ---- Footer ---- */
.site-footer{border-top:1px solid var(--border);margin-top:64px;padding:44px 0 48px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h4{font-family:var(--font-display);font-size:15px;margin-bottom:10px;color:var(--text)}
.footer-grid a{display:block;color:var(--muted);font-size:14px;margin-bottom:7px}
.footer-grid a:hover{color:var(--text);text-decoration:none}
.footer-grid p{font-size:14px}
.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid var(--border);font-size:13px;color:var(--muted2)}

/* ---- Search overlay ---- */
.search-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:100;display:none;align-items:flex-start;justify-content:center;padding:12vh 20px 20px}
.search-overlay.open{display:flex}
.search-panel{background:var(--surface);border:1px solid var(--border2);border-radius:16px;width:100%;max-width:600px;overflow:hidden;box-shadow:var(--shadow-lift)}
.search-panel input{width:100%;background:none;border:0;border-bottom:1px solid var(--border);padding:16px 18px;font-size:16px;color:var(--text);border-radius:0;min-height:0}
.search-panel input:focus{box-shadow:none}
.search-results{max-height:380px;overflow:auto;padding:8px}
.search-results a{display:block;padding:11px 13px;border-radius:10px;color:var(--text)}
.search-results a:hover,.search-results a.active{background:var(--surface2);text-decoration:none}
.search-results a small{display:block;color:var(--muted);font-size:12.5px}
.search-hint{padding:10px 16px;font-size:12.5px;color:var(--muted2);border-top:1px solid var(--border)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---- Mobile pass (360px first) ---- */
@media(max-width:560px){
  body{font-size:15px}
  .hero{padding:36px 0 4px}
  .hero p{font-size:16px}
  .hero-search{flex-direction:column}
  .hero-search input{min-height:52px}
  .trust-row{gap:8px}
  .bento{gap:14px;margin:28px 0}
  .bento-cell{padding:20px}
  .section{margin:48px 0}
  .breadcrumb{margin:20px 0 12px}
  .tool-hero p{font-size:16px}
  .field{margin-bottom:14px}
  input[type=text],input[type=number],input[type=date],input[type=url],select,textarea{font-size:16px;min-height:48px;padding:12px 13px}
  .btn{min-height:50px;font-size:15.5px}
  .btn-row{flex-direction:column}
  .btn-row .btn{width:100%;flex:1 1 auto}
  .result-box{padding:18px 16px}
  .result-hero-value{font-size:28px}
  .result-row{padding:10px 2px}
  .result-row-value{font-size:15.5px}
  .stat-grid{gap:10px}
  .dropzone{padding:22px 14px}
  main>h2{margin-top:36px}
  .footer-grid{grid-template-columns:1fr;gap:20px}
  .site-footer{padding:36px 0 40px}
  .search-overlay{padding:8vh 12px 12px}
}
@media(max-width:380px){
  .tool-box{padding:16px}
  .result-hero-value{font-size:28px}
  .scale-seg{font-size:10px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

.logo-mark-img{width:32px;height:32px;border-radius:9px;flex:none;display:block}
.logo-mark-footer{width:20px;height:20px;border-radius:5px;display:inline-block;vertical-align:-4px;margin-right:6px}

/* ---- Shared enhancements (assets/js/enhance.js): preset chips, share row,
   saved-inputs clear link, Ctrl+Enter hint, drag-over state ---- */
.tn-chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 2px}
.tn-chip{background:var(--surface3);color:var(--text);border:1px solid var(--border2);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:600;cursor:pointer}
.tn-chip:hover{border-color:var(--accent);color:var(--accent2)}
.tn-chip[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent2)}
.tn-share-row{display:none;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}
.result-box.show .tn-share-row{display:flex}
.tn-share-label{font-size:13px;color:var(--muted);font-weight:600;margin-right:2px}
.tn-share-btn{background:var(--surface3);color:var(--text);border:1px solid var(--border2);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:600;cursor:pointer}
.tn-share-btn:hover{border-color:var(--accent);color:var(--accent2)}
.tn-clear-history{background:none;border:0;color:var(--muted);font-size:12.5px;cursor:pointer;text-decoration:underline;padding:6px 0 0}
.tn-clear-history:hover{color:var(--text)}
.tn-kbd-hint{margin-top:8px}
.tool-box.tn-drop-over{outline:2px dashed var(--accent);outline-offset:-2px}
.tn-copy-result{margin-top:2px}

/* ---- ToolNest aurora background: slow violet orbs matching the #7C5CFF
   buttons and logo. Pure CSS, transform-only animation (GPU-cheap, no
   layout shift, no JS). Sits behind content, visible in the page margins.
   Respects prefers-reduced-motion (animation off). ---- */
.tn-bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.tn-bg-orb{position:absolute;border-radius:50%;will-change:transform}
.tn-bg-orb-1{width:560px;height:560px;top:-230px;left:-130px;background:radial-gradient(circle,rgba(124,92,255,.20),rgba(124,92,255,0) 65%);animation:tn-drift-a 46s ease-in-out infinite alternate}
.tn-bg-orb-2{width:480px;height:480px;top:-170px;right:-150px;background:radial-gradient(circle,rgba(167,139,250,.15),rgba(167,139,250,0) 65%);animation:tn-drift-b 58s ease-in-out infinite alternate}
.tn-bg-orb-3{width:420px;height:420px;top:42vh;left:60%;background:radial-gradient(circle,rgba(124,92,255,.09),rgba(124,92,255,0) 65%);animation:tn-drift-a 64s ease-in-out infinite alternate-reverse}
@keyframes tn-drift-a{from{transform:translate3d(0,0,0)}to{transform:translate3d(60px,36px,0)}}
@keyframes tn-drift-b{from{transform:translate3d(0,0,0)}to{transform:translate3d(-70px,44px,0)}}
@media(max-width:560px){.tn-bg-orb-1{width:380px;height:380px;top:-190px}.tn-bg-orb-2{width:320px;height:320px}.tn-bg-orb-3{display:none}}
@media(prefers-reduced-motion:reduce){.tn-bg-orb{animation:none}}

/* ---- Signature focus glow: the active tool card lights up violet while
   you work in it, matching the buttons and logo. ---- */
.tool-box{transition:box-shadow .2s ease,border-color .2s ease}
.tool-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}