/* ToolGen AI — styles.css */
:root{
  --bg:#0b1026;
  --bg-2:#0f1633;
  --panel:#151c42;
  --panel-2:#1a2150;
  --border:#2a3370;
  --text:#eef0ff;
  --muted:#a7add6;
  --accent:#6366f1;
  --accent-2:#a855f7;
  --grad:linear-gradient(135deg,#6366f1,#a855f7);
  --radius:16px;
  --shadow:0 10px 30px rgba(2,4,20,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,canvas{max-width:100%}
a{color:#c4b5fd}
.container{width:min(1100px,100% - 2.5rem);margin-inline:auto}
.narrow{max-width:760px}
h1,h2,h3{line-height:1.2;margin:0 0 .6em}
h2{font-size:clamp(1.5rem,3.5vw,2.1rem)}
h3{font-size:1.1rem}
.muted{color:var(--muted)}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,16,38,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--text);font-weight:800;font-size:1.25rem}
.logo-mark{width:38px;height:38px}
.logo-accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav{display:flex;gap:1.1rem;flex-wrap:wrap}
.main-nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:.95rem}
.main-nav a:hover{color:var(--text)}

/* Hero */
.hero{
  padding:4rem 0 3rem;
  background:
    radial-gradient(700px 320px at 15% -50px,rgba(99,102,241,.35),transparent 60%),
    radial-gradient(700px 320px at 85% -50px,rgba(168,85,247,.30),transparent 60%),
    var(--bg-2);
  border-bottom:1px solid var(--border);
  text-align:center;
}
.hero-badge{
  display:inline-block;padding:.3rem .9rem;border:1px solid var(--border);
  border-radius:999px;color:var(--muted);font-size:.85rem;font-weight:600;background:rgba(21,28,66,.7);
}
.hero h1{font-size:clamp(2rem,5.5vw,3.2rem);font-weight:800;max-width:820px;margin:.8rem auto .6rem}
.hero-lead{max-width:760px;margin:0 auto;color:var(--muted);font-size:1.06rem}
.hero-actions{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin:1.6rem 0 1.1rem}
.hero-points{list-style:none;padding:0;margin:0;display:flex;gap:1.4rem;justify-content:center;flex-wrap:wrap;color:var(--muted);font-size:.92rem}
.hero-points li::before{content:"✓ ";color:#a78bfa;font-weight:700}

/* Buttons */
.btn{
  display:inline-block;border:0;cursor:pointer;text-decoration:none;
  padding:.7rem 1.4rem;border-radius:10px;font-weight:700;font-size:.98rem;
  font-family:inherit;transition:transform .08s ease,opacity .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{opacity:.92}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--accent)}

/* Sections */
.section{padding:3.2rem 0}
.section-lead{color:var(--muted);max-width:640px}
.tool-section{border-top:1px solid rgba(42,51,112,.5)}
.tool-section h2{display:flex;align-items:center;gap:.7rem}
.step{
  display:inline-flex;align-items:center;justify-content:center;
  width:2rem;height:2rem;border-radius:9px;background:var(--grad);color:#fff;
  font-size:1rem;font-weight:800;flex:none;
}

/* Tool index cards */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-top:1.4rem}
.tool-card{
  display:block;background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius);padding:1.3rem;text-decoration:none;color:var(--text);
  transition:border-color .15s ease,transform .15s ease;
}
.tool-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.tool-card h3{margin:.7rem 0 .35rem}
.tool-card p{margin:0;color:var(--muted);font-size:.95rem}
.tool-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:12px;background:var(--panel-2);
  color:#a78bfa;border:1px solid var(--border);
}
.tool-icon svg{width:26px;height:26px}

/* Tool panel */
.panel{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.4rem;box-shadow:var(--shadow);margin-bottom:1.6rem;
}
.panel label{display:block;font-weight:600;margin-bottom:.45rem}
textarea,input[type="text"],input[type="number"],select,input[type="file"]{
  width:100%;background:var(--bg-2);color:var(--text);
  border:1px solid var(--border);border-radius:10px;
  padding:.65rem .8rem;font:inherit;font-size:.98rem;
}
textarea{resize:vertical}
input[type="range"]{width:100%;accent-color:var(--accent)}
input[type="file"]{padding:.55rem .8rem}
.row{display:flex;gap:1rem;flex-wrap:wrap;align-items:flex-end;margin-top:1rem}
.row .field{flex:1 1 200px}
.field{margin-bottom:.4rem}
.field-actions{display:flex;gap:.6rem;flex:none;flex-wrap:wrap}
.status{color:var(--muted);font-size:.93rem;margin:.9rem 0 0}
.status.error{color:#fda4af}
.status.ok{color:#86efac}
.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.5rem;margin-top:1rem}
.check{display:flex;align-items:center;gap:.55rem;font-weight:500;cursor:pointer}
.check input{width:1.1rem;height:1.1rem;accent-color:var(--accent)}

/* Dropzone */
.dropzone{
  border:2px dashed var(--border);border-radius:var(--radius);
  padding:2.2rem 1.2rem;text-align:center;cursor:pointer;background:var(--bg-2);
}
.dropzone:hover,.dropzone.dragging{border-color:var(--accent-2);background:#171e47}
.dropzone p{margin:.25rem 0}

/* Results */
.result-wrap{margin:1.2rem 0 0;text-align:left}
.result-wrap.center{text-align:center}
.result-wrap img{border-radius:12px;border:1px solid var(--border)}
.result-wrap figcaption{margin-top:.9rem}
.result-wrap canvas{background:#fff;border-radius:12px;padding:10px}
.checkerboard{
  display:inline-block;border-radius:12px;border:1px solid var(--border);
  background:repeating-conic-gradient(#3a3f5e 0% 25%,#565b7d 0% 50%) 0 0/24px 24px;
}
.checkerboard img{border:0;display:block}

/* Exact-KB preset chips */
.chips-label{font-weight:600;margin:.95rem 0 .45rem}
.chips{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{
  border:1px solid var(--border);background:var(--bg-2);color:var(--text);
  border-radius:999px;padding:.38rem 1rem;font:inherit;font-size:.9rem;font-weight:600;cursor:pointer;
  transition:border-color .15s ease,opacity .15s ease;
}
.chip:hover{border-color:var(--accent)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent}

/* Image-to-PDF file list */
.file-list{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.55rem}
.file-item{
  display:flex;align-items:center;gap:.8rem;
  background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:.45rem .7rem;
}
.file-item img{width:46px;height:46px;object-fit:cover;border-radius:7px;flex:none}
.file-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;font-size:.93rem}
.file-size{color:var(--muted);font-size:.83rem;flex:none}
.btn-small{padding:.35rem .85rem;font-size:.86rem;flex:none}

/* Word counter stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.8rem;margin-top:1.2rem}
.stat{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:.9rem;text-align:center}
.stat-num{display:block;font-size:1.5rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{color:var(--muted);font-size:.82rem;font-weight:600}

/* Tool descriptions */
.tool-about{max-width:820px}
.tool-about h3{margin-top:1.2rem;color:#d8dbff}
.tool-about p{color:var(--muted);margin:.3rem 0}

/* FAQ */
.faq-list{max-width:820px}
details{
  background:var(--panel);border:1px solid var(--border);border-radius:12px;
  padding:1rem 1.2rem;margin-bottom:.7rem;
}
summary{cursor:pointer;font-weight:700}
details p{color:var(--muted);margin:.6rem 0 0}

/* Legal & contact */
.legal h3{margin-top:1.4rem}
.legal p{color:var(--muted)}
.contact-email{font-size:1.2rem;font-weight:700}

/* Footer */
.site-footer{border-top:1px solid var(--border);background:var(--bg-2);padding:2.2rem 0;margin-top:1rem}
.footer-inner{text-align:center}
.footer-brand{font-weight:800;font-size:1.1rem;margin:0 0 .6rem}
.footer-nav{display:flex;gap:1.2rem;justify-content:center;flex-wrap:wrap;margin-bottom:.8rem}
.footer-nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:.93rem}
.footer-nav a:hover{color:var(--text)}
.footer-copy{color:var(--muted);font-size:.88rem;margin:0}

@media (max-width:560px){
  .hero{padding:2.6rem 0 2.2rem}
  .panel{padding:1.1rem}
  .field-actions{width:100%}
  .field-actions .btn{flex:1;text-align:center}
}