:root{
  color-scheme:light;
  --bg:#f5f7fb;
  --surface:#ffffff;
  --surface-soft:#f8fafc;
  --text:#172033;
  --muted:#667085;
  --line:#e4e7ec;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --primary-soft:#eff6ff;
  --success:#067647;
  --success-bg:#ecfdf3;
  --success-line:#abefc6;
  --danger:#b42318;
  --danger-bg:#fff1f0;
  --danger-line:#fecdca;
  --warning:#b54708;
  --warning-bg:#fffaeb;
  --shadow:0 10px 30px rgba(16,24,40,.07);
  --radius:20px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
html{background:var(--bg);color-scheme:light}
body{margin:0;min-height:100vh;background:
  radial-gradient(circle at 7% 0%,rgba(37,99,235,.08),transparent 28rem),
  radial-gradient(circle at 100% 12%,rgba(14,165,233,.06),transparent 24rem),
  var(--bg);color:var(--text);font-size:15px;line-height:1.55}
button,input{font:inherit}
a{color:inherit}

.shell{min-height:100vh}
.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1120px;margin:0 auto;padding:0 24px}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:#101828;font-weight:800;letter-spacing:-.01em}
.brandmark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.24)}
.brandmark svg{width:20px;height:20px}
.topmeta{font-size:13px;color:var(--muted);padding:7px 10px;border:1px solid var(--line);background:rgba(255,255,255,.82);border-radius:999px}
.wrap{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:22px 0 64px}
.footer{max-width:1120px;margin:0 auto;padding:0 24px 30px;color:#98a2b3;font-size:12px;text-align:center}

.card{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin:18px 0;box-shadow:var(--shadow)}
.card.flat{box-shadow:none}
.hero{padding:36px;overflow:hidden;position:relative}
.hero:after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:-95px;top:-110px;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(79,70,229,.03));pointer-events:none}
.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.08;letter-spacing:-.035em;margin:10px 0 12px;max-width:780px;color:#101828}
.hero.compact h1{font-size:clamp(28px,4vw,40px)}
.hero p{margin:0;max-width:760px;color:var(--muted);font-size:16px}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;width:max-content;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:800;letter-spacing:.01em}
.eyebrow{color:#1849a9;background:var(--primary-soft);border:1px solid #d1e9ff}
.badge{color:#344054;background:#f9fafb;border:1px solid var(--line)}
.badge.blue{color:#1849a9;background:#eff8ff;border-color:#b2ddff}
.badge.green{color:#067647;background:#ecfdf3;border-color:#abefc6}

.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr)}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.section-title{margin:0 0 6px;font-size:21px;letter-spacing:-.02em;color:#101828}
.section-desc{margin:0;color:var(--muted)}
.sectiontop{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}

.form-card{padding:30px}
label{display:block;margin:0 0 8px;color:#344054;font-weight:750;font-size:14px}
input[type="text"],input[type="tel"],input[type="url"],input:not([type]){width:100%;height:48px;border:1px solid #d0d5dd;border-radius:12px;background:#fff;color:#101828;padding:0 14px;outline:none;box-shadow:0 1px 2px rgba(16,24,40,.03);transition:border-color .18s,box-shadow .18s}
input:focus{border-color:#84adff;box-shadow:0 0 0 4px rgba(37,99,235,.10)}
.phone{display:flex;align-items:stretch;border:1px solid #d0d5dd;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 2px rgba(16,24,40,.03);transition:border-color .18s,box-shadow .18s}
.phone:focus-within{border-color:#84adff;box-shadow:0 0 0 4px rgba(37,99,235,.10)}
.phone span{display:flex;align-items:center;padding:0 14px;background:#f9fafb;color:#475467;font-weight:700;border-right:1px solid #eaecf0}
.phone input{border:0!important;border-radius:0!important;box-shadow:none!important}
.help{font-size:12px;color:#98a2b3;margin:7px 0 0}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid transparent;border-radius:12px;padding:10px 16px;background:var(--primary);color:#fff;font-weight:800;text-decoration:none;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s;border-color:.15s;box-shadow:0 1px 2px rgba(16,24,40,.05)}
.btn:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(37,99,235,.18)}
.btn:active{transform:translateY(0)}
.btn.full{width:100%;margin-top:18px}
.btn.small{min-height:38px;padding:8px 12px;font-size:13px;border-radius:10px}
.btn.secondary{background:#fff;color:#344054;border-color:#d0d5dd}
.btn.secondary:hover{background:#f9fafb;box-shadow:none}
.btn.soft{background:#eff6ff;color:#1d4ed8;border-color:#dbeafe}
.btn.soft:hover{background:#dbeafe;box-shadow:none}
.btn.danger{background:#fff;color:var(--danger);border-color:#fecdca}
.btn.danger:hover{background:var(--danger-bg);box-shadow:none}
.btn svg{width:17px;height:17px;flex:none}

.alert{display:flex;gap:12px;align-items:flex-start;border-radius:15px;padding:16px 18px;margin:18px 0;border:1px solid}
.alert strong{display:block;margin-bottom:2px}.alert p{margin:0}
.alert.success{color:#065f46;background:var(--success-bg);border-color:var(--success-line)}
.alert.error{color:#912018;background:var(--danger-bg);border-color:var(--danger-line)}
.alert.warning{color:#93370d;background:var(--warning-bg);border-color:#fedf89}
.success-card{border-color:#abefc6;background:linear-gradient(180deg,#f6fff9,#fff)}

.copybox{display:flex;align-items:center;gap:9px;margin-top:9px}
.copybox input{min-width:0;background:#f9fafb;color:#344054}
.copybox .btn{flex:none}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.step{padding:17px;border:1px solid var(--line);border-radius:15px;background:#fff}
.stepnum{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#eff6ff;color:#1d4ed8;font-weight:900;margin-bottom:10px}
.step h3{font-size:15px;margin:0 0 5px}.step p{font-size:13px;margin:0;color:var(--muted)}

.statgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.stat{padding:15px 16px;border:1px solid var(--line);border-radius:15px;background:#fff}
.stat span{display:block;color:var(--muted);font-size:12px;font-weight:650;margin-bottom:3px}
.stat strong{font-size:17px;color:#101828}

.share-card{padding:28px}
.qr-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:26px;align-items:center;margin-top:22px}
.qr-shell{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;width:max-content;box-shadow:0 8px 26px rgba(16,24,40,.06)}
#qrcode{width:220px;height:220px;display:grid;place-items:center;background:#fff}
#qrcode img,#qrcode canvas{display:block;max-width:100%;height:auto}
.share-info h3{margin:0 0 6px;font-size:18px}.share-info p{margin:0 0 17px;color:var(--muted)}
.security-note{display:flex;align-items:flex-start;gap:9px;background:#f8fafc;border:1px solid #eaecf0;border-radius:12px;padding:12px 13px;color:#475467;font-size:13px;margin-top:14px}
.security-note svg{width:18px;height:18px;color:#667085;flex:none;margin-top:1px}

.files-card{padding:0;overflow:hidden}
.files-head{padding:24px 26px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:14px}
.files{display:grid}
.file{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;padding:18px 26px;border-bottom:1px solid #eef2f6}
.file:last-child{border-bottom:0}
.file:hover{background:#fcfcfd}
.file-main{display:flex;align-items:center;gap:13px;min-width:0}
.fileicon{width:42px;height:42px;border-radius:12px;background:#eff6ff;color:#2563eb;display:grid;place-items:center;flex:none}
.fileicon svg{width:21px;height:21px}
.filemeta{min-width:0}.filemeta strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#101828;font-size:14px}.filemeta small{display:block;color:var(--muted);margin-top:3px;font-size:12px}
.actions{display:flex;align-items:center;gap:8px}.actions form{margin:0}
.empty{padding:42px 24px;text-align:center}.empty-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;margin:0 auto 12px;background:#f2f4f7;color:#667085}.empty-icon svg{width:26px;height:26px}.empty h3{margin:0 0 5px;font-size:16px}.empty p{margin:0;color:var(--muted)}

.upload-box{border:1.5px dashed #b7c7e8;background:#f8fbff;border-radius:17px;padding:34px 20px;text-align:center;transition:border-color .18s,background .18s}
.upload-box:hover{border-color:#84adff;background:#f5f9ff}
.upload-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;margin:0 auto 12px;background:#eaf2ff;color:#2563eb}
.upload-icon svg{width:26px;height:26px}
.upload-box h3{margin:0 0 5px;font-size:17px}.upload-box p{margin:0;color:var(--muted);font-size:13px}
.fileinput{display:block;width:100%;margin-top:18px;padding:11px;border:1px solid #d0d5dd;border-radius:12px;background:#fff;color:#475467}
.fileinput::file-selector-button{border:0;border-radius:9px;padding:9px 12px;margin-right:12px;background:#eff6ff;color:#1d4ed8;font-weight:800;cursor:pointer}

code{background:#f2f4f7;border:1px solid #eaecf0;border-radius:7px;padding:2px 6px;color:#344054}
ol{color:#475467;padding-left:22px}ol li{margin:7px 0}

.toast{position:fixed;right:20px;bottom:20px;background:#101828;color:#fff;border-radius:12px;padding:11px 14px;font-size:13px;font-weight:700;box-shadow:0 12px 30px rgba(16,24,40,.2);opacity:0;transform:translateY(8px);pointer-events:none;transition:.18s;z-index:99}
.toast.show{opacity:1;transform:translateY(0)}

@media(max-width:840px){
  .grid.two{grid-template-columns:1fr}.grid.three,.steps,.statgrid{grid-template-columns:1fr}
  .qr-layout{grid-template-columns:1fr;justify-items:center}.share-info{width:100%}
  .topbar{height:64px;padding:0 16px}.wrap{width:min(100% - 24px,1120px);padding-top:12px}.hero{padding:27px}.card{padding:22px}.files-card{padding:0}
}
@media(max-width:620px){
  body{font-size:14px}.topmeta{display:none}.brandmark{width:33px;height:33px}.hero h1{font-size:31px}.hero.compact h1{font-size:29px}.hero p{font-size:14px}
  .copybox{align-items:stretch;flex-direction:column}.copybox .btn{width:100%}
  .file{grid-template-columns:1fr;align-items:flex-start;padding:17px}.actions{width:100%}.actions .btn,.actions form{flex:1}.actions form .btn{width:100%}
  .files-head{padding:20px}.qr-shell{max-width:100%}#qrcode{width:200px;height:200px}
}

/* v2 shop + QR poster + admin additions */
input[type="password"]{width:100%;height:48px;border:1px solid #d0d5dd;border-radius:12px;background:#fff;color:#101828;padding:0 14px;outline:none;box-shadow:0 1px 2px rgba(16,24,40,.03);transition:border-color .18s,box-shadow .18s}
input[type="password"]:focus{border-color:#84adff;box-shadow:0 0 0 4px rgba(37,99,235,.10)}
.input-icon-wrap{position:relative}.input-icon-wrap input{padding-left:46px}.field-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:#667085;display:grid;place-items:center;z-index:1}.field-icon svg{width:20px;height:20px}
.owner-title-row{display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative;z-index:1}.shop-avatar{width:76px;height:76px;border-radius:22px;background:linear-gradient(135deg,#eff6ff,#eef2ff);border:1px solid #dbeafe;color:#2563eb;display:grid;place-items:center;flex:none}.shop-avatar svg{width:34px;height:34px}.admin-avatar{color:#b42318;background:#fff1f0;border-color:#fecdca}
.qr-caption{text-align:center;font-size:13px;font-weight:850;color:#344054;margin-top:9px;max-width:250px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qr-action-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.qr-action-grid .btn{width:100%}
.badge.red{color:#b42318;background:#fff1f0;border-color:#fecdca}.danger-zone{border-color:#fecdca;background:linear-gradient(180deg,#fffafa,#fff)}.danger-note{background:#fff6f5;border-color:#fecdca;color:#7a271a}.danger-solid{margin-top:16px;background:#d92d20;border-color:#d92d20}.danger-solid:hover{background:#b42318;box-shadow:0 8px 18px rgba(180,35,24,.18)}
.admin-login-card{max-width:560px;margin-left:auto;margin-right:auto}.admin-stats{grid-template-columns:repeat(4,minmax(0,1fr))}.admin-logout{display:flex;justify-content:flex-end;margin-top:16px}
@media(max-width:840px){.admin-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.qr-action-grid{grid-template-columns:1fr}.owner-title-row{align-items:flex-start}.shop-avatar{width:60px;height:60px;border-radius:18px}.shop-avatar svg{width:28px;height:28px}}
@media(max-width:520px){.admin-stats{grid-template-columns:1fr}.owner-title-row{display:block}.shop-avatar{margin-top:18px}.qr-action-grid{grid-template-columns:1fr}}
.shop-name-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}.shop-name-form .btn{min-height:48px}@media(max-width:620px){.shop-name-form{grid-template-columns:1fr}.shop-name-form .btn{width:100%}}

/* v3 PDF print action */
.actions{flex-wrap:wrap;justify-content:flex-end}
.btn.print-btn{background:#eef4ff;color:#3538cd;border-color:#c7d7fe}
.btn.print-btn:hover{background:#e0e7ff;color:#3730a3;box-shadow:none}
@media(max-width:620px){.actions{justify-content:stretch}.actions>a.btn{flex:1}.actions form{flex:1}}