/* ===== TOOLSHUB v3 — From Scratch Modern Design ===== */
/* ===== TOOLSHUB v3 — From Scratch Modern Design ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#0a0a0b; --ink-2:#3f3f46; --ink-3:#71717a;
  --paper:#fafafa; --card:#ffffff; --line:#e4e4e7; --line-2:#f4f4f5;
  --accent:#4f46e5; --accent-2:#7c3aed; --accent-soft:#eef2ff;
  --grad:linear-gradient(135deg,#4f46e5,#7c3aed);
  --radius:20px; --radius-s:12px;
  --font:'Inter',system-ui,sans-serif; --serif:'Instrument Serif',Georgia,serif;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 12px 40px -12px rgba(0,0,0,.12);
}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--paper);color:var(--ink);
  line-height:1.7;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:inherit;text-decoration:none}
::selection{background:#c7d2fe}

/* ---- Header: ultra minimal ---- */
.hd{position:sticky;top:0;z-index:100;background:rgba(250,250,250,.8);
  backdrop-filter:blur(20px) saturate(1.4);border-bottom:1px solid var(--line)}
.hd-in{max-width:1200px;margin:0 auto;padding:0 28px;height:64px;
  display:flex;align-items:center;gap:32px}
.logo{font-weight:700;font-size:1.05rem;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:.8rem}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{padding:8px 14px;border-radius:8px;font-size:.88rem;font-weight:500;color:var(--ink-2);transition:.15s}
.nav a:hover{background:var(--line-2);color:var(--ink)}
.hd-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.hd-cta{background:var(--ink);color:#fff;font-size:.85rem;font-weight:600;
  padding:10px 20px;border-radius:99px;transition:.2s}
.hd-cta:hover{transform:translateY(-1px);box-shadow:var(--shadow)}

/* ---- Breadcrumb: minimal ---- */
.crumbs{max-width:1200px;margin:0 auto;padding:28px 28px 0;font-size:.82rem;color:var(--ink-3)}
.crumbs a:hover{color:var(--ink)}
.crumbs span{color:var(--ink-2);font-weight:500}

/* ---- Hero: editorial typography ---- */
.hero{max-width:1200px;margin:0 auto;padding:48px 28px 44px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}
.hero-eyebrow::before{content:"";width:24px;height:2px;background:var(--grad);border-radius:2px}
.hero h1{font-size:clamp(2.4rem,5vw,3.8rem);font-weight:700;letter-spacing:-.04em;
  line-height:1.05;margin-bottom:20px;max-width:800px}
.hero h1 em{font-family:var(--serif);font-style:italic;font-weight:400;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:1.12rem;color:var(--ink-2);max-width:620px;line-height:1.7}
.hero-meta{display:flex;gap:24px;margin-top:28px;flex-wrap:wrap}
.hero-meta span{display:flex;align-items:center;gap:8px;font-size:.86rem;color:var(--ink-3);font-weight:500}
.hero-meta i{color:var(--accent);font-size:.9rem}

/* ---- Workspace: bento card ---- */
.ws-wrap{max-width:1200px;margin:0 auto;padding:0 28px 80px}
.ws{background:var(--card);border:1px solid var(--line);border-radius:28px;
  box-shadow:var(--shadow);overflow:hidden}
.ws-bar{display:flex;align-items:center;gap:12px;padding:18px 28px;
  border-bottom:1px solid var(--line-2);background:var(--paper)}
.ws-dot{width:10px;height:10px;border-radius:50%;background:#22c55e;
  box-shadow:0 0 0 4px rgba(34,197,94,.15);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.5}}
.ws-bar b{font-size:.9rem;font-weight:600}
.ws-bar span{font-size:.78rem;color:var(--ink-3);margin-left:auto;font-family:monospace}
.ws-body{padding:36px}
.ws-textarea{width:100%;min-height:240px;border:1.5px solid var(--line);border-radius:16px;
  padding:22px;font-size:1rem;font-family:var(--font);line-height:1.8;resize:vertical;
  outline:none;transition:.2s;background:var(--paper);color:var(--ink)}
.ws-textarea:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(79,70,229,.08)}
.ws-textarea::placeholder{color:#a1a1aa}
.ws-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:14px;
  font-weight:600;font-size:.92rem;cursor:pointer;border:none;font-family:var(--font);transition:.2s}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 12px 28px -8px rgba(0,0,0,.3)}
.btn-light{background:var(--line-2);color:var(--ink);border:1px solid var(--line)}
.btn-light:hover{background:var(--line)}
/* Stats: minimal numbers */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:28px}
.stat{background:#fff;padding:26px 20px;text-align:center;transition:.2s}
.stat:hover{background:var(--accent-soft)}
.stat b{display:block;font-size:2rem;font-weight:700;letter-spacing:-.03em;margin-bottom:4px}
.stat span{font-size:.78rem;color:var(--ink-3);font-weight:500;letter-spacing:.04em;text-transform:uppercase}

/* ---- Sections: editorial ---- */
.sec{max-width:1200px;margin:0 auto;padding:0 28px 90px}
.sec-head{margin-bottom:40px;max-width:640px}
.sec-num{font-family:monospace;font-size:.78rem;color:var(--accent);letter-spacing:.1em;margin-bottom:12px;display:block}
.sec-head h2{font-size:1.9rem;font-weight:700;letter-spacing:-.03em;margin-bottom:10px}
.sec-head p{color:var(--ink-2)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{padding:32px 28px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);transition:.25s;position:relative;overflow:hidden}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7d2fe}
.step-n{font-family:var(--serif);font-style:italic;font-size:2.6rem;color:var(--line);
  line-height:1;margin-bottom:18px;transition:.25s}
.step:hover .step-n{color:var(--accent)}
.step h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;letter-spacing:-.01em}
.step p{font-size:.92rem;color:var(--ink-2)}

/* ---- Article: magazine style ---- */
.article-wrap{max-width:1200px;margin:0 auto;padding:0 28px 100px}
.article{background:var(--card);border:1px solid var(--line);border-radius:28px;
  overflow:hidden;box-shadow:var(--shadow)}
.article-hero{padding:64px 64px 0;max-width:860px}
.article-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);background:var(--accent-soft);
  padding:8px 16px;border-radius:99px;margin-bottom:24px}
.article-hero h2{font-size:2.2rem;font-weight:700;letter-spacing:-.03em;line-height:1.2;margin-bottom:18px}
.article-hero .deck{font-family:var(--serif);font-size:1.35rem;font-style:italic;
  color:var(--ink-2);line-height:1.6;margin-bottom:32px}
.article-meta{display:flex;align-items:center;gap:16px;padding-bottom:40px;
  border-bottom:1px solid var(--line-2);margin-bottom:8px}
.article-meta .avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:700}
.article-meta div b{display:block;font-size:.9rem}
.article-meta div span{font-size:.8rem;color:var(--ink-3)}
.article-body{padding:48px 64px 64px;max-width:860px;font-size:1.06rem;line-height:1.9;color:#27272a}
.article-body p{margin-bottom:24px}
.article-body p.lead{font-size:1.25rem;line-height:1.8;color:var(--ink)}
.article-body p.lead::first-letter{font-family:var(--serif);font-size:3.4em;float:left;
  line-height:.85;padding:6px 12px 0 0;color:var(--accent)}
.article-body h3{font-size:1.4rem;font-weight:700;letter-spacing:-.02em;margin:48px 0 18px}
.article-body h4{font-size:1.1rem;font-weight:600;margin:32px 0 12px}
.article-body ul{margin:0 0 28px;list-style:none}
.article-body ul li{position:relative;padding-left:28px;margin-bottom:12px}
.article-body ul li::before{content:"→";position:absolute;left:0;color:var(--accent);font-weight:700}
.article-body table{width:100%;border-collapse:collapse;margin:32px 0;font-size:.94rem;
  border:1px solid var(--line);border-radius:12px;overflow:hidden}
.article-body th{background:var(--ink);color:#fff;padding:14px 18px;text-align:left;
  font-weight:600;font-size:.85rem;letter-spacing:.03em}
.article-body td{padding:13px 18px;border-top:1px solid var(--line-2)}
.article-body tr:nth-child(even) td{background:var(--paper)}
.article-body blockquote{margin:36px 0;padding:8px 0 8px 32px;position:relative;
  font-family:var(--serif);font-size:1.4rem;font-style:italic;line-height:1.6;color:var(--ink)}
.article-body blockquote::before{content:"";position:absolute;left:0;top:0;bottom:0;
  width:3px;background:var(--grad);border-radius:3px}

/* ---- FAQ: minimal accordion ---- */
.faq{max-width:760px}
.faq-item{border-bottom:1px solid var(--line);padding:24px 0;cursor:pointer}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-weight:600;font-size:1.02rem}
.faq-q i{color:var(--ink-3);transition:.25s;font-size:.85rem}
.faq-item.open .faq-q i{transform:rotate(45deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:.3s;color:var(--ink-2);font-size:.96rem}
.faq-item.open .faq-a{max-height:300px}
.faq-a p{padding-top:14px}

/* ---- Related: clean cards ---- */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rel{border:1px solid var(--line);border-radius:16px;padding:26px 22px;
  background:var(--card);transition:.2s;display:block}
.rel:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow)}
.rel i{font-size:1.3rem;margin-bottom:14px;display:block}
.rel h3{font-size:.96rem;font-weight:600;margin-bottom:6px}
.rel p{font-size:.85rem;color:var(--ink-3)}

/* ---- Footer: minimal ---- */
.ft{border-top:1px solid var(--line);background:var(--card)}
.ft-in{max-width:1200px;margin:0 auto;padding:64px 28px 32px;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}
.ft-brand p{font-size:.9rem;color:var(--ink-2);margin:16px 0;max-width:280px}
.ft h4{font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:18px}
.ft ul{list-style:none}.ft li{margin-bottom:12px}
.ft li a{font-size:.9rem;color:var(--ink-2)}
.ft li a:hover{color:var(--ink)}
.ft-bot{max-width:1200px;margin:0 auto;padding:24px 28px;border-top:1px solid var(--line-2);
  display:flex;justify-content:space-between;font-size:.82rem;color:var(--ink-3)}

@media(max-width:900px){
  .nav{display:none}.steps{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .ft-in{grid-template-columns:1fr 1fr}
  .article-hero,.article-body{padding-left:28px;padding-right:28px}
  .hero h1{font-size:2.2rem}
}
/* ---- v3 tool-chrome utilities (added 2026-10-11, text-tools rebuild) ----
   Minimal styles for functional tool elements (toggles, selects, sliders,
   preset pills, section headers). Uses v3 tokens; no legacy styling. */
.section-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.section-title{font-size:.95rem;font-weight:600;letter-spacing:-.01em}
.input-section,.settings-panel,.output-section{margin-bottom:28px}
.input-section:last-child,.settings-panel:last-child,.output-section:last-child{margin-bottom:0}
.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.setting-group{display:flex;flex-direction:column;gap:8px}
.setting-label{font-size:.82rem;font-weight:600;color:var(--ink-2)}
.form-select,.form-input{border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;
  font-size:.92rem;font-family:var(--font);background:#fff;color:var(--ink);outline:none;transition:.2s;width:100%}
.form-select:focus,.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(79,70,229,.08)}
.toggle-wrapper{display:flex;align-items:center;justify-content:space-between;gap:12px}
.toggle-switch{width:46px;height:26px;border-radius:99px;background:var(--line);
  position:relative;cursor:pointer;transition:.2s;flex-shrink:0;border:1px solid var(--line)}
.toggle-switch::after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;
  border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:.2s}
.toggle-switch.active{background:var(--accent);border-color:var(--accent)}
.toggle-switch.active::after{left:22px}
.preset-buttons{display:flex;flex-wrap:wrap;gap:10px}
.preset-btn.active{background:var(--ink)!important;color:#fff!important;border-color:var(--ink)!important}
.slider-wrapper{margin-top:4px}
.slider-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.slider-value{font-size:.85rem;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.slider-input{width:100%;accent-color:var(--accent);cursor:pointer}
.history-panel{margin-top:28px;border:1px solid var(--line);border-radius:16px;padding:20px;background:var(--paper)}
.history-title{font-size:.95rem;font-weight:600}
.history-list{display:flex;flex-direction:column;gap:8px;max-height:220px;overflow:auto}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:700px){.compare-grid{grid-template-columns:1fr}}

/* ---- v3 homepage: hero / search / stats / grid / cards / cta ---- */
.v3-hero{max-width:1200px;margin:0 auto;padding:76px 28px 44px;text-align:center}
.v3-hero h1{font-size:clamp(2.6rem,5.5vw,4.2rem);font-weight:700;letter-spacing:-.04em;line-height:1.04;margin-bottom:18px}
.v3-hero h1 em{font-family:var(--serif);font-style:italic;font-weight:400;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.v3-hero p{font-size:1.1rem;color:var(--ink-2);max-width:640px;margin:0 auto 30px;line-height:1.7}
.v3-search{max-width:560px;margin:0 auto 40px;display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:15px 24px;box-shadow:var(--shadow)}
.v3-search i{color:var(--ink-3);font-size:.95rem}
.v3-search input{border:0;outline:0;background:transparent;width:100%;font-size:1rem;font-family:var(--font);color:var(--ink)}
.v3-stats{display:flex;justify-content:center;gap:52px;flex-wrap:wrap}
.v3-stats div{display:flex;flex-direction:column;gap:2px}
.v3-stats b{font-size:1.55rem;letter-spacing:-.02em}
.v3-stats span{font-size:.82rem;color:var(--ink-3);font-weight:500}
.v3-wrap{max-width:1200px;margin:0 auto;padding:24px 28px 80px}
.v3-sec{margin-bottom:60px}
.v3-sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:22px}
.v3-sec-head h2{font-size:1.5rem;font-weight:700;letter-spacing:-.02em}
.v3-sec-head span{font-size:.85rem;color:var(--ink-3)}
.v3-sec-head .count{margin-left:auto;background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:.78rem;padding:4px 14px;border-radius:99px}
.v3-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:14px}
.v3-tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-s);padding:20px;position:relative;transition:transform .18s,box-shadow .18s,border-color .18s;display:block}
.v3-tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c7d2fe}
.v3-tool-card .arr{position:absolute;top:16px;right:16px;color:var(--ink-3);font-size:.8rem;transition:.18s}
.v3-tool-card:hover .arr{color:var(--accent);transform:translate(2px,-2px)}
.v3-tool-card h3{font-size:.98rem;font-weight:600;letter-spacing:-.01em;margin-bottom:8px;padding-right:26px;line-height:1.4}
.v3-tool-card p{font-size:.83rem;color:var(--ink-3);line-height:1.55}
.v3-cta{max-width:760px;margin:0 auto 88px;padding:56px 28px;text-align:center;background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}
.v3-cta h2{font-size:clamp(1.8rem,4vw,2.6rem);letter-spacing:-.03em;margin-bottom:12px}
.v3-cta p{color:var(--ink-2);margin-bottom:26px}
@media(max-width:640px){.v3-hero{padding:52px 20px 32px}.v3-stats{gap:28px}.v3-wrap{padding:16px 20px 60px}.v3-cta{margin:0 20px 64px}}