:root{
  --bg:#f5f8ff;
  --surface:#ffffff;
  --surface-soft:#f8fbff;
  --text:#162033;
  --muted:#667085;
  --line:#e3e8f2;
  --brand:#2457ff;
  --brand-2:#0c8bdc;
  --brand-dark:#173cc7;
  --success:#128553;
  --danger:#c93535;
  --warn:#9a6100;
  --radius:20px;
  --radius-sm:13px;
  --shadow:0 18px 55px rgba(30,64,175,.10);
  --max:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:linear-gradient(180deg,#f8fbff 0,#f5f8ff 46%,#f8fafc 100%);
  color:var(--text);
  font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
button,input,textarea,select{font:inherit}
button{touch-action:manipulation}

.site-header{
  background:linear-gradient(105deg,#087fce 0%,#244fd8 55%,#1539a8 100%);
  color:white;
  position:sticky;
  top:0;
  z-index:20;
  box-shadow:0 5px 18px rgba(29,78,216,.14);
}
.nav{
  max-width:var(--max);
  min-height:72px;
  margin:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 22px;
  gap:22px;
}
.brand-wrap{display:flex;align-items:center;gap:10px;min-width:max-content}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:white;color:var(--brand);
  display:grid;place-items:center;font-weight:950;font-size:18px;box-shadow:0 8px 18px rgba(0,0,0,.10)
}
.brand{font-weight:900;letter-spacing:-.55px;color:inherit;font-size:21px;line-height:1.08}
.brand:hover{text-decoration:none}
.brand span{color:#dce8ff}
.card .brand span{color:var(--brand)}
.brand-sub{font-size:11px;color:#dce8ff;margin-top:3px}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:18px;flex-wrap:wrap;font-size:14px}
.nav-links a{color:white;font-weight:650;opacity:.95}
.nav-links a:hover{opacity:1;text-decoration:none}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.70);
  border-radius:999px;padding:9px 14px;background:rgba(255,255,255,.10)
}

main{max-width:var(--max);margin:auto;padding:34px 22px 70px}
.hero{text-align:center;padding:34px 0 28px}
.hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.06;letter-spacing:-2px;margin:0 0 14px}
.hero h1 .accent{color:var(--brand)}
.hero p{max-width:720px;margin:0 auto;color:var(--muted);font-size:18px}
.chips{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:18px}
.chip{background:#eef3ff;border:1px solid #dfe7ff;border-radius:999px;padding:6px 10px;font-size:13px;color:#3450a9}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;margin:20px 0}
.card.narrow{max-width:720px;margin-left:auto;margin-right:auto}
.generator-card{padding:0;overflow:hidden;display:grid;grid-template-columns:1.03fr .97fr;min-height:470px}
.creator-panel,.preview-panel{padding:34px}
.creator-panel{border-right:1px solid var(--line)}
.preview-panel{background:linear-gradient(180deg,#fbfdff,#f7faff);display:flex;flex-direction:column}
.step-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:850;margin:0 0 14px}
.step-dot{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#e8efff;color:var(--brand);font-weight:900;font-size:13px}

.field{margin:0 0 16px}
.field label{display:block;font-weight:800;margin-bottom:7px}
.field .hint{font-size:13px;color:var(--muted);margin-top:7px}
.input{width:100%;border:1px solid #cdd5e3;border-radius:13px;padding:14px 15px;background:white;color:var(--text);outline:none;transition:.16s border,.16s box-shadow}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(36,87,255,.11)}
textarea.input{min-height:120px;resize:vertical}
.link-input{font-size:16px;padding:15px 16px}

.creator-note{display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:13px;margin:11px 0 18px}
.creator-note .shield{width:20px;height:20px;flex:none;border-radius:50%;background:#eef4ff;color:var(--brand);display:grid;place-items:center;font-weight:900}
.optional-details{border:1px solid var(--line);border-radius:13px;background:#fafcff;margin:0 0 18px}
.optional-details summary{cursor:pointer;list-style:none;padding:11px 13px;color:#405170;font-weight:700;font-size:14px}
.optional-details summary::-webkit-details-marker{display:none}
.optional-details summary::after{content:"＋";float:right;color:var(--brand)}
.optional-details[open] summary::after{content:"−"}
.optional-inner{padding:0 13px 13px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 17px;font-weight:800;cursor:pointer;background:var(--brand);color:white;text-decoration:none;transition:.16s transform,.16s background,.16s box-shadow}
.btn:hover{background:var(--brand-dark);text-decoration:none;box-shadow:0 8px 18px rgba(36,87,255,.17)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}
.btn.secondary{background:white;color:#24406f;border:1px solid #d6ddea}
.btn.secondary:hover{background:#f5f8ff;border-color:#bdc9df;box-shadow:none}
.btn.danger{background:#fff0f0;color:var(--danger);border:1px solid #f3c8c8}
.btn.full{width:100%}
.btn.primary-create{min-height:50px;font-size:16px;background:linear-gradient(95deg,#126fe6,#2457ff)}
.small-btn{padding:8px 10px;font-size:13px}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.actions.center{justify-content:center}
.preview-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 12px}
.preview-actions .wide{grid-column:1/-1}

.benefit-line{display:flex;gap:7px 10px;flex-wrap:wrap;color:#69758a;font-size:12px;margin-top:18px}
.benefit-line span{display:inline-flex;align-items:center;gap:5px}
.benefit-line span::before{content:"•";color:#19a15f;font-size:18px;line-height:0}
.benefit-line span:first-child::before{content:"✓";font-size:13px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;background:#eaf9f1;color:#128553}

.notice{border-radius:12px;padding:11px 13px;margin:14px 0;font-size:14px}
.notice.info{background:#eef4ff;color:#24428f}
.notice.success{background:#eaf9f1;color:#12653f}
.notice.error{background:#fff0f0;color:#9f2828}
.notice.warn{background:#fff7e8;color:#864b00}

.preview-title{font-size:18px;font-weight:850;margin:0 0 14px}
.preview-empty{flex:1;min-height:300px;border:1px dashed #cad5e8;border-radius:18px;background:white;display:grid;place-items:center;text-align:center;padding:28px;color:var(--muted)}
.preview-empty-icon{width:86px;height:86px;border-radius:22px;background:#f0f4fb;display:grid;place-items:center;margin:0 auto 14px;font-size:34px;color:#8b9ab4}
.preview-ready{width:100%}
.qr-box{background:white;border:1px solid var(--line);border-radius:18px;padding:18px;display:grid;place-items:center;max-width:300px;margin:0 auto;box-shadow:0 10px 25px rgba(32,64,128,.07)}
.qr-box svg{width:100%;height:auto;display:block}
.result-meta{background:white;border:1px solid var(--line);border-radius:14px;padding:13px 14px;margin-top:12px;font-size:13px}
.meta-row{display:flex;gap:8px;align-items:flex-start;margin:3px 0}
.meta-label{color:var(--muted);min-width:86px}
.meta-value{font-weight:750;overflow-wrap:anywhere}
.code-line{padding:12px;background:#f7f8fb;border:1px solid var(--line);border-radius:10px;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.manage-details{margin-top:12px;border-top:1px solid var(--line);padding-top:10px}
.manage-details summary{cursor:pointer;color:#44546d;font-size:13px;font-weight:750}
.manage-box{padding-top:12px}
.secret-box{background:#fff9e9;border:1px solid #f4dda1;border-radius:14px;padding:15px}
.secret-box strong{display:block;margin-bottom:5px}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.feature-card{background:white;border:1px solid var(--line);border-radius:17px;padding:19px;display:flex;gap:13px;align-items:flex-start;box-shadow:0 8px 24px rgba(30,64,175,.05)}
.feature-icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;flex:none;background:#eaf1ff;color:var(--brand);font-weight:900}
.feature-card:nth-child(2) .feature-icon{background:#eaf9f1;color:#128553}
.feature-card:nth-child(3) .feature-icon{background:#f1edff;color:#7256d8}
.feature-card h3{margin:0 0 4px;font-size:16px}
.feature-card p{margin:0;color:var(--muted);font-size:13px}

.promo-banner{margin-top:18px;background:linear-gradient(100deg,#f4f8ff,#edf5ff);border:1px solid #d9e6ff;border-radius:20px;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.promo-copy{display:flex;gap:15px;align-items:flex-start}
.promo-icon{width:48px;height:48px;border-radius:14px;background:#dbe8ff;color:var(--brand);display:grid;place-items:center;font-size:23px;flex:none}
.promo-banner h2{font-size:18px;margin:0 0 5px}
.promo-banner p{margin:0;color:var(--muted);font-size:13px;max-width:700px}

/* Scan page */
.scan-shell{max-width:640px;margin:0 auto;padding-top:28px}
.scan-logo{text-align:center;font-weight:900;font-size:21px;margin-bottom:16px;color:var(--text)}
.scan-logo .brand{color:var(--text)}
.scan-logo .brand span{color:var(--brand)}
.scan-card{text-align:center;padding:28px}
.scan-eyebrow{font-size:12px;font-weight:800;letter-spacing:.04em;color:#6b78a0;text-transform:uppercase}
.scan-title{font-size:30px;line-height:1.18;margin:9px 0 10px;letter-spacing:-.7px}
.destination-box{background:#f7f9fc;border:1px solid var(--line);border-radius:13px;padding:12px 14px;margin:15px auto 18px;text-align:left;max-width:470px}
.destination-label{font-size:12px;color:var(--muted);margin-bottom:2px}
.destination-host{font-weight:850;color:#20345f;overflow-wrap:anywhere}
.primary-open{font-size:17px;padding:14px 25px;min-width:220px}
.scan-note{color:var(--muted);font-size:13px;margin-top:11px}
.link-check{display:flex;align-items:flex-start;gap:10px;text-align:left;background:#f7fbff;border:1px solid #dfeaf8;border-radius:14px;padding:13px 14px;margin:18px 0 0}
.link-check-icon{width:30px;height:30px;border-radius:50%;background:#e8f2ff;color:var(--brand);display:grid;place-items:center;flex:none;font-weight:900}
.link-check strong{display:block;font-size:14px}
.link-check p{margin:2px 0 0;color:var(--muted);font-size:12px}
.ad-card{background:linear-gradient(180deg,#fbfcff,#f5f8ff);border:1px solid #dfe6ff;border-radius:16px;padding:17px;text-align:left;margin-top:18px}
.ad-eyebrow{text-transform:uppercase;letter-spacing:.09em;font-size:10px;font-weight:850;color:#5365b2}
.ad-card h3{margin:4px 0 5px;font-size:18px}
.ad-card p{margin:0 0 8px;color:var(--muted);font-size:13px}

/* Shared pages */
.result-grid{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:24px;align-items:center}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.section-title{font-size:28px;letter-spacing:-.5px;margin:0 0 8px}
.muted{color:var(--muted)}
.small{font-size:13px}
.empty{padding:26px;text-align:center;color:var(--muted);border:1px dashed #cbd1db;border-radius:14px;background:#fafcff}
.link-row,.admin-report{padding:16px 0;border-bottom:1px solid var(--line)}
.link-row:last-child,.admin-report:last-child{border-bottom:0}
.row-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:9px}
.state{font-weight:800}
.legal{max-width:820px}
.legal h1{font-size:38px}
.legal h2{margin-top:30px}
.legal li{margin:6px 0}
.loading{text-align:center;color:var(--muted);padding:40px}
.danger-zone{border-color:#f1caca;background:#fffafa}

.footer{border-top:1px solid var(--line);background:white;color:var(--muted);font-size:13px}
.footer-inner{max-width:var(--max);margin:auto;padding:24px 22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}

@media(max-width:860px){
  .nav{align-items:flex-start}
  .nav-links{gap:11px;font-size:13px}
  .generator-card{grid-template-columns:1fr}
  .creator-panel{border-right:0;border-bottom:1px solid var(--line)}
  .features{grid-template-columns:1fr}
  .promo-banner{align-items:flex-start;flex-direction:column}
}

@media(max-width:620px){
  .site-header{position:static}
  .nav{padding:12px 16px;min-height:64px;align-items:center}
  .brand-sub{display:none}
  .nav-links a:not(.nav-cta){display:none}
  .nav-cta{padding:8px 11px;font-size:12px}
  main{padding:22px 14px 52px}
  .hero{padding:20px 2px 20px}
  .hero h1{font-size:34px;letter-spacing:-1.2px}
  .hero p{font-size:15px}
  .creator-panel,.preview-panel{padding:20px}
  .preview-empty{min-height:230px}
  .preview-actions{grid-template-columns:1fr}
  .preview-actions .wide{grid-column:auto}
  .qr-box{max-width:270px}
  .result-grid,.two-col{grid-template-columns:1fr}
  .card{padding:18px}
  .scan-shell{padding-top:6px}
  .scan-card{padding:21px 18px}
  .scan-title{font-size:25px}
  .footer-inner{display:block}
  .footer-links{margin-top:10px}
  .legal h1{font-size:31px}
}