/* QRStudio — Phase 1 base stylesheet
   Mobile-first. Minimum body text 16px so iOS does not zoom on focus.
   Minimum touch target 44px. */

:root{
  --brand:#1f4e79; --brand-2:#2e74b5; --ink:#1a1a1a; --muted:#6b7280;
  --line:#e3e8ef; --bg:#f6f8fb; --white:#fff; --ok:#137333; --warn:#b26a00; --err:#b3261e;
  --radius:10px; --space:16px; --max:1080px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);}
body.centred{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px 16px;}
img{max-width:100%;height:auto;}
a{color:var(--brand-2);}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 16px;}

.site-header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:60px;gap:12px;}
.brand{font-size:20px;font-weight:700;color:var(--brand);text-decoration:none;display:inline-block;}
.brand span{color:var(--brand-2);}
.site-nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.site-nav a{text-decoration:none;font-size:15px;}
.inline-form{display:inline;}

main.container{padding-top:24px;padding-bottom:40px;}

.hero{text-align:center;padding:40px 0 24px;}
.hero h1{font-size:30px;line-height:1.25;margin:0 0 12px;color:var(--brand);}
.lede{font-size:17px;color:var(--muted);margin:0 0 20px;}
.page-head{padding:16px 0 8px;}
.page-head h1{font-size:26px;margin:0 0 8px;color:var(--brand);}

.grid-3{display:grid;gap:16px;grid-template-columns:1fr;margin:20px 0;}
@media(min-width:760px){.grid-3{grid-template-columns:repeat(3,1fr);} .hero h1{font-size:40px;}}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px;}
.card h2{margin:0 0 10px;font-size:19px;}
.card-narrow{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;width:100%;max-width:420px;}
.card-narrow h1{font-size:22px;margin:18px 0 16px;color:var(--brand);}

.price-card ul{padding-left:18px;margin:12px 0 0;color:var(--muted);}
.price{font-size:30px;font-weight:700;color:var(--brand);margin:6px 0;}
.featured{border-color:var(--brand-2);box-shadow:0 4px 16px rgba(46,116,181,.12);}

.stat{display:flex;flex-direction:column;align-items:center;}
.stat-value{font-size:30px;font-weight:700;color:var(--brand);}
.stat-label{color:var(--muted);font-size:14px;}

label{display:block;font-weight:600;font-size:14px;margin:14px 0 6px;}
input[type=text],input[type=email],input[type=password],input[type=tel]{
  width:100%;min-height:44px;padding:10px 12px;font-size:16px;border:1px solid var(--line);
  border-radius:8px;background:var(--white);color:var(--ink);}
input:focus{outline:3px solid rgba(46,116,181,.35);outline-offset:1px;border-color:var(--brand-2);}
input:disabled{background:#f2f4f7;color:var(--muted);}
.hint{font-size:13px;color:var(--muted);margin:6px 0 0;}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:14px;margin:16px 0;}
.checkbox input{min-width:20px;min-height:20px;margin-top:2px;}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 20px;
  font-size:16px;font-weight:600;border-radius:8px;border:1px solid transparent;cursor:pointer;text-decoration:none;}
.btn-primary{background:var(--brand);color:var(--white);}
.btn-primary:hover{background:#17395a;}
.btn-block{width:100%;margin-top:18px;}
.btn-lg{font-size:17px;padding:14px 26px;}
.btn-sm{min-height:38px;padding:8px 14px;font-size:14px;}
.btn-link{background:none;border:none;color:var(--brand-2);font-size:15px;padding:8px 0;cursor:pointer;text-decoration:underline;}
.form-links{display:flex;justify-content:space-between;gap:12px;margin-top:16px;font-size:14px;flex-wrap:wrap;}

.flash-stack{margin:16px 0;}
.flash{padding:12px 14px;border-radius:8px;margin-bottom:10px;font-size:15px;border:1px solid;}
.flash-success{background:#eaf6ec;border-color:#bfe0c6;color:var(--ok);}
.flash-error{background:#fdecea;border-color:#f5c6c2;color:var(--err);}
.flash-info{background:#eaf1f8;border-color:#c5d9ee;color:var(--brand-2);}

.phase-note{font-size:13px;color:var(--muted);background:#eef3f9;border-left:3px solid var(--brand-2);
  padding:12px 14px;border-radius:0 8px 8px 0;margin:20px 0;}
.muted{color:var(--muted);}
.prose p{margin:0 0 14px;}

.site-footer{background:var(--white);border-top:1px solid var(--line);padding:20px 0;margin-top:24px;}
.footer-inner{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--muted);}
.footer-inner nav{display:flex;gap:14px;flex-wrap:wrap;}
@media(min-width:760px){.footer-inner{flex-direction:row;justify-content:space-between;align-items:center;}}

/* ---------- Admin ---------- */
body.admin{background:#eef1f5;}
.admin-shell{display:flex;min-height:100vh;flex-direction:column;}
.admin-sidebar{background:var(--brand);color:#dbe6f1;padding:18px 16px;}
.admin-brand{font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;}
.admin-brand span{color:#9dc3e6;}
.admin-brand small{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#9dc3e6;}
.admin-sidebar nav{display:flex;flex-direction:column;gap:2px;}
.admin-sidebar nav a{color:#dbe6f1;text-decoration:none;padding:10px 10px;border-radius:6px;font-size:15px;}
.admin-sidebar nav a:hover{background:rgba(255,255,255,.1);color:#fff;}
.nav-pending{color:#7f9fc0;font-size:13px;padding:8px 10px;}
.admin-logout{margin-top:14px;}
.admin-logout .btn-link{color:#9dc3e6;}
.admin-main{flex:1;display:flex;flex-direction:column;}
.admin-topbar{background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;display:flex;
  justify-content:space-between;align-items:center;gap:12px;}
.admin-topbar h1{font-size:19px;margin:0;color:var(--brand);}
.admin-user{font-size:14px;color:var(--muted);}
.admin-content{padding:20px;}
@media(min-width:900px){
  .admin-shell{flex-direction:row;}
  .admin-sidebar{width:230px;flex:0 0 230px;min-height:100vh;}
}

.tile-grid{display:grid;gap:14px;grid-template-columns:repeat(2,1fr);margin-bottom:18px;}
@media(min-width:900px){.tile-grid{grid-template-columns:repeat(4,1fr);}}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;}
.tile-value{font-size:26px;font-weight:700;color:var(--brand);}
.tile-label{font-size:13px;color:var(--muted);}
.tile-warn{border-color:#f0c68c;background:#fff8ee;}

.data-table{width:100%;border-collapse:collapse;font-size:14px;}
.data-table th,.data-table td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);}
.data-table th{background:#f4f7fb;color:var(--brand);font-size:13px;text-transform:uppercase;letter-spacing:.04em;}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;background:#eef3f9;color:var(--brand-2);font-size:12px;font-weight:600;}
.badge-ok{background:#eaf6ec;color:var(--ok);}
.badge-fail{background:#fdecea;color:var(--err);}

@media print{.site-header,.site-footer,.admin-sidebar{display:none;}}

/* ================= Phase 2 — QR builder ================= */
.back-link{display:inline-block;margin:14px 0 4px;font-size:14px;text-decoration:none;}
.builder-title{font-size:24px;color:var(--brand);margin:6px 0 18px;}
.builder-main{padding-bottom:40px;}

.type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0;}
@media(min-width:720px){.type-grid{grid-template-columns:repeat(4,1fr);}}
.type-tile{display:flex;flex-direction:column;gap:4px;padding:16px 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);
  min-height:112px;}
.type-tile:hover{border-color:var(--brand-2);box-shadow:0 3px 12px rgba(46,116,181,.12);}
.type-icon{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand-2);}
.type-name{font-weight:600;font-size:16px;}
.type-tagline{font-size:13px;color:var(--muted);line-height:1.4;}

.builder-grid{display:grid;gap:18px;grid-template-columns:1fr;align-items:start;}
@media(min-width:920px){.builder-grid{grid-template-columns:1fr 380px;}}

.builder-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;margin-bottom:16px;}
.builder-block h2{font-size:17px;margin:0 0 6px;color:var(--brand);}
.optional-tag{font-size:11px;font-weight:400;color:var(--muted);background:#f2f4f7;
  padding:2px 8px;border-radius:12px;vertical-align:middle;}

select,textarea{width:100%;min-height:44px;padding:10px 12px;font-size:16px;
  border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-family:inherit;}
textarea{min-height:88px;}
input[type=file]{width:100%;font-size:15px;padding:10px 0;}
input[type=color]{width:100%;height:46px;padding:4px;border:1px solid var(--line);border-radius:8px;background:#fff;}
.design-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}

.field-error{color:var(--err);font-size:13.5px;margin:6px 0 0;min-height:1px;}
.upload-status{font-size:13px;color:var(--ok);margin:6px 0 0;}

.template-row{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 16px;}
.template-chip{padding:9px 14px;border:1px solid var(--line);background:#fff;border-radius:20px;
  font-size:14px;cursor:pointer;min-height:40px;}
.template-chip:hover{border-color:var(--brand-2);}
.template-chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}

.builder-preview{position:sticky;top:76px;}
.preview-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;}
.preview-frame{display:flex;align-items:center;justify-content:center;min-height:240px;
  background:#f7f9fc;border-radius:8px;padding:12px;}
#qr-preview{display:none;max-width:100%;height:auto;transition:opacity .15s;}
.preview-placeholder{color:var(--muted);font-size:14px;text-align:center;padding:24px 12px;}
.preview-meta{font-size:12.5px;color:var(--muted);margin:12px 0 0;text-align:center;}
.preview-warning{font-size:13px;color:var(--warn,#8a5a00);background:#fff8ee;border:1px solid #f0c68c;
  border-radius:8px;padding:10px 12px;margin:10px 0 0;}
.preview-note{font-size:13px;color:var(--muted);margin:12px 0 0;}
.preview-actions{margin-top:16px;}

.qr-list{display:grid;gap:14px;}
.qr-card{display:flex;gap:16px;align-items:flex-start;}
.qr-card-thumb img{border:1px solid var(--line);border-radius:8px;background:#fff;}
.qr-card-body h2{font-size:17px;margin:0 0 6px;}
@media(max-width:560px){.qr-card{flex-direction:column;}}

/* ================= Phase 3 — checkout ================= */
.package-list{display:grid;gap:10px;margin:12px 0;}
.package-option{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--line);
  border-radius:var(--radius);cursor:pointer;font-weight:400;margin:0;background:#fff;}
.package-option.is-selected{border-color:var(--brand-2);box-shadow:0 2px 10px rgba(46,116,181,.12);}
.package-option input{min-width:20px;min-height:20px;}
.package-body{display:flex;flex-direction:column;flex:1;}
.package-name{font-weight:600;font-size:16px;}
.package-desc{font-size:13px;color:var(--muted);}
.package-price{font-weight:700;color:var(--brand);font-size:17px;white-space:nowrap;}

.summary-lines{margin:16px 0 0;border-top:1px solid var(--line);padding-top:12px;}
.summary-row{display:flex;justify-content:space-between;font-size:15px;padding:5px 0;}
.summary-row.is-hidden{display:none;}
.summary-total{font-weight:700;font-size:18px;color:var(--brand);border-top:1px solid var(--line);
  margin-top:8px;padding-top:10px;}

.coupon-box{margin:14px 0;font-size:14px;}
.coupon-box summary{cursor:pointer;color:var(--brand-2);padding:6px 0;}
.coupon-row{display:flex;gap:8px;margin-top:8px;}
.coupon-row input{flex:1;}

.result-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;max-width:560px;margin:24px auto;}
.result-card h1{font-size:24px;margin:0 0 10px;}
.result-ok h1{color:var(--ok);}
.result-fail h1{color:var(--err);}