:root{
  --paper:#FAFAF7;
  --panel:#FFFFFF;
  --ink:#1A2130;
  --ink-soft:#5B6472;
  --navy:#1B2A4A;
  --navy-light:#2E4267;
  --line:#DDE1E7;
  --accent:#B5762C;
  --accent-soft:#F1E4D2;
  --success:#3E7A52;
  --danger:#A6392C;
  --radius:3px;
  --serif:"Source Serif 4", Georgia, serif;
  --sans:"Inter", -apple-system, Segoe UI, sans-serif;
}

*{box-sizing:border-box;}
[hidden]{display:none !important;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.5;
}

/* Header */
.site-header{
  padding:32px 24px 24px;
  border-bottom:1px solid var(--line);
  background:var(--navy);
  color:#fff;
}
.brand{display:flex; align-items:center; gap:10px; max-width:760px; margin:0 auto;}
.brand-mark{width:30px; height:30px;}
.brand-name{
  font-family:var(--serif);
  font-weight:600;
  font-size:1.5rem;
  letter-spacing:0.01em;
}
.tagline{
  max-width:760px; margin:6px auto 0;
  color:#C7CEDB;
  font-size:0.95rem;
}

/* Layout */
.layout{
  max-width:760px;
  margin:0 auto;
  padding:28px 24px 60px;
  display:flex;
  flex-direction:column;
  gap:22px;
}

.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px 26px;
}
.panel h2{
  font-family:var(--serif);
  font-size:1.15rem;
  font-weight:600;
  margin:0 0 16px;
  display:flex;
  align-items:center;
  gap:10px;
}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:24px; height:24px;
  border-radius:50%;
  background:var(--navy);
  color:#fff;
  font-size:0.8rem;
  font-family:var(--sans);
  font-weight:600;
}

/* Dropzone */
.dropzone{
  border:1.5px dashed var(--line);
  border-radius:var(--radius);
  min-height:180px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  cursor:pointer;
  padding:20px;
  transition:border-color .15s ease, background-color .15s ease;
  position:relative;
}
.dropzone.dragover{
  border-color:var(--accent);
  background:var(--accent-soft);
}
.dropzone-title{font-weight:600; margin:0 0 6px;}
.dropzone-hint{color:var(--ink-soft); font-size:0.88rem; margin:0;}
#preview-canvas{max-width:100%; max-height:340px; border-radius:2px;}

.row{display:flex; flex-wrap:wrap; gap:14px; align-items:center; margin-top:14px;}
.row label{
  display:flex; flex-direction:column; gap:5px;
  font-size:0.85rem; color:var(--ink-soft); font-weight:500;
}
.row input[type=number], select{
  font-family:var(--sans);
  font-size:0.95rem;
  padding:8px 10px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  color:var(--ink);
}
.checkbox-row{
  display:flex; align-items:center; gap:8px;
  font-size:0.9rem; color:var(--ink-soft);
  margin-top:12px; cursor:pointer;
}

button{
  font-family:var(--sans);
  font-size:0.92rem;
  font-weight:600;
  padding:10px 18px;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:opacity .15s ease;
}
@media (hover:hover){button:hover{opacity:0.88;}}
button:disabled{cursor:not-allowed; opacity:0.45;}
button:focus-visible, input:focus-visible, select:focus-visible{
  outline:2px solid var(--navy-light);
  outline-offset:2px;
}
.btn-primary{background:var(--navy); color:#fff;}
.btn-secondary{background:#fff; color:var(--navy); border-color:var(--navy);}

.status-line{
  margin:14px 0 0;
  font-size:0.88rem;
  color:var(--ink-soft);
  min-height:1.2em;
}
.status-line.ok{color:var(--success);}
.status-line.warn{color:var(--danger);}

/* Preset grid */
.preset-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(150px, 1fr));
  gap:10px;
}
.preset-card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:12px;
  cursor:pointer;
  text-align:left;
  background:#fff;
}
.preset-card:hover{border-color:var(--navy-light);}
.preset-card.selected{
  border-color:var(--navy);
  background:var(--accent-soft);
}
.preset-name{font-weight:600; font-size:0.92rem; margin:0 0 2px;}
.preset-dims{font-size:0.82rem; color:var(--ink-soft); margin:0;}

.custom-size{margin-top:16px; font-size:0.9rem;}
.custom-size summary{cursor:pointer; color:var(--navy); font-weight:500;}
.custom-size input{width:92px;}
.custom-paper-fields{align-items:flex-end;}
.field-message{margin:10px 0 0; min-height:1.2em; font-size:0.82rem; color:var(--ink-soft);}
.field-message.ok{color:var(--success);}
.field-message.warn,
.grid-summary.warn{color:var(--danger);}

.grid-summary{
  margin:14px 0 0;
  font-size:0.88rem;
  color:var(--ink-soft);
}

.output-wrap{
  min-height:180px;
  background:#EEEFEA;
  border:1px solid var(--line);
  border-radius:var(--radius);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px;
  overflow:auto;
}
.output-empty{
  margin:0;
  color:var(--ink-soft);
  font-size:0.9rem;
  text-align:center;
}
#output-canvas{
  max-width:100%;
  box-shadow:0 1px 4px rgba(0,0,0,0.12);
}
.export-row{margin-top:16px;}


/* Reserved advertising space: quiet, separate from all tool controls */
.ad-placement{
  min-height:90px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#F2F2EE;
  color:var(--ink-soft);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  padding:14px;
  text-align:center;
  font-size:0.78rem;
}
.ad-label{
  color:#7B828D;
  font-size:0.66rem;
  letter-spacing:0.04em;
  text-transform:uppercase;
}

/* Supporting content */
.info-section{
  border-top:1px solid var(--line);
  padding:8px 2px 0;
}
.info-section h2,
.article-content h1,
.article-content h2{
  font-family:var(--serif);
  color:var(--ink);
}
.info-section h2{font-size:1.25rem; margin:16px 0;}
.info-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:20px;}
.info-grid h3{font-size:0.92rem; margin:0 0 5px;}
.info-grid p,
.print-note{font-size:0.86rem; color:var(--ink-soft); margin:0;}
.print-note{margin-top:18px; padding-top:16px; border-top:1px solid var(--line);}

.brand-link{display:flex; align-items:center; gap:10px; color:inherit; text-decoration:none;}
.compact-header{padding-bottom:20px;}
.content-page{max-width:760px; margin:0 auto; padding:28px 24px 60px;}
.article-content h1{font-size:1.65rem; line-height:1.2; margin:0 0 12px;}
.article-content h2{font-size:1.12rem; margin:28px 0 8px;}
.article-content p,
.article-content li{color:var(--ink-soft); font-size:0.94rem;}
.article-content p{margin:8px 0;}
.article-content li+li{margin-top:6px;}
.article-content a{color:var(--navy);}
.article-content .lede{font-size:1rem; color:var(--ink);}
.policy-date{font-size:0.82rem !important;}

/* Footer */
.site-footer{
  max-width:760px;
  margin:0 auto;
  padding:20px 24px 50px;
  color:var(--ink-soft);
  font-size:0.85rem;
  border-top:1px solid var(--line);
  text-align:center;
}
.site-footer a{color:var(--navy); text-decoration:underline;}
.site-footer p{margin:4px 0;}
.footer-nav{display:flex; justify-content:center; flex-wrap:wrap; gap:8px 20px; margin-bottom:10px;}

@media (max-width:600px){
  .site-header{padding:24px 18px 18px;}
  .layout{padding:20px 14px 50px; gap:18px;}
  .content-page{padding:20px 14px 50px;}
  .panel{padding:18px 14px 20px;}
  .info-grid{grid-template-columns:1fr; gap:16px;}
  .dropzone{min-height:160px; padding:16px;}
  .row label{flex:1 1 100%;}
  .row input[type=number], select{width:100%; min-height:44px;}
  .custom-size .row .btn-secondary{width:100%;}
  .export-row button{width:100%; min-height:44px;}
}