:root{
  --bg:#f5f7fb;
  --text:#1f2937;
  --muted:#6b7280;
  --line:#e5e7eb;
  --blue:#2f80ff;
  --blue2:#2568d8;
  --card:#ffffff;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page{
  width:min(1400px, 94vw);
  margin: 44px auto 40px;
}

/* Uploader */
.hero{
  text-align:center;
  padding: 18px 10px 12px;
}
.hero h1{
  margin:0;
  font-size:54px;
  letter-spacing:-.6px;
}
.subtitle{
  margin: 10px 0 26px;
  color: var(--muted);
  font-size:18px;
}
.dropArea{
  width:min(720px, 92vw);
  margin: 0 auto;
  padding: 26px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow: 0 10px 30px rgba(17,24,39,.08);
  position:relative;
  outline:none;
}
.dropArea.drag{
  border-color: rgba(47,128,255,.55);
  box-shadow: 0 12px 34px rgba(47,128,255,.12);
}
.dropArea input[type="file"]{
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
}
.selectRow{
  display:flex;
  justify-content:center;
  align-items:center;
}
.selectBtn{
  border:0;
  background: var(--blue);
  color:#fff;
  font-size:20px;
  font-weight:800;
  padding: 20px 34px;
  border-radius:14px;
  cursor:pointer;
  box-shadow: 0 10px 20px rgba(47,128,255,.25);
}
.selectBtn:hover{ background: var(--blue2); }
.dropHint{
  margin-top: 14px;
  color: var(--muted);
  font-size:14px;
}

/* SEO text block */
.seoText{
  width:min(720px, 92vw);
  margin: 18px auto 0;
  text-align:left;
  color: var(--text);
}
.seoText h2{
  margin: 10px 0 6px;
  font-size: 18px;
}
.seoText p{
  margin: 6px 0;
  color: var(--muted);
  line-height: 1.5;
}
.seoSmall{
  font-size: 12px;
}

/* Editor */
.hidden{ display:none; }
.editor{ margin-top: 10px; }

.editor-inner{
  display:grid;
  grid-template-columns: 1.65fr 0.85fr;
  gap: 16px;
  align-items:start;
}
@media (max-width: 1100px){
  .editor-inner{ grid-template-columns: 1fr; }
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 10px 26px rgba(17,24,39,.06);
  padding: 16px;
}
.cardTitle{
  font-weight:900;
  margin-bottom: 12px;
}

.block{ margin: 10px 0 14px; }
.blockTitle{
  font-weight:900;
  font-size:13px;
  margin-bottom: 8px;
}
.blockHint{
  margin-top: 8px;
  color: var(--muted);
  font-size:12px;
}

.sliderRow{
  display:flex;
  gap:10px;
  align-items:center;
}
.sliderRow input[type="range"]{ width: 100%; }
.sliderValue{
  min-width: 90px;
  text-align:right;
  font-weight:900;
  color:#111827;
}

.row{ display:flex; gap:12px; align-items:center; margin: 12px 0; }
.grid2{ align-items:end; }
.grid2 > div{ flex:1; }

.lbl{ width: 90px; font-weight:700; color:#111827; }
.lbl.small{
  width:auto; font-size:12px; color: var(--muted);
  margin-bottom:6px; display:block;
}

.select, .input{
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  padding: 10px 12px;
  font-size:14px;
  outline:none;
  background:#fff;
}
.input{ padding: 11px 12px; }

.check{
  display:flex;
  gap:10px;
  align-items:center;
  color: var(--muted);
  font-size:14px;
  user-select:none;
}

.qwrap{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
}
.qVal{
  font-variant-numeric: tabular-nums;
  min-width: 56px;
  text-align:center;
  padding: 6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  color: var(--muted);
  background:#fff;
}

.actionBtn{
  width:100%;
  margin-top: 6px;
  border:0;
  background: var(--blue);
  color:#fff;
  font-weight:900;
  padding: 12px 14px;
  border-radius: 14px;
  cursor:pointer;
  font-size:14px;
}
.actionBtn:hover{ background: var(--blue2); }

.meta{
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size:14px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.meta span{ width: 86px; display:inline-block; color:#6b7280; }

.actions{
  display:flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap:wrap;
}
.downloadBtn, .ghostBtn{
  flex:1;
  text-align:center;
  padding: 12px 12px;
  border-radius: 14px;
  font-weight:900;
  font-size:14px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  text-decoration:none;
  color:#111827;
}
.downloadBtn{ border-color: rgba(47,128,255,.35); }
.downloadBtn:hover{ border-color: rgba(47,128,255,.65); }
.ghostBtn:hover{ border-color: #cfd6e1; }
.disabled{ opacity:.45; pointer-events:none; }
.note{ margin-top: 10px; color: var(--muted); font-size:12px; }

/* Preview bigger */
.previewGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 800px){
  .previewGrid{ grid-template-columns: 1fr; }
}
.bigPreviewBox{ min-height: 540px; }
.previewBox{
  border:1px solid var(--line);
  border-radius: 14px;
  background:#fbfcff;
  padding: 10px;
  position:relative;
  overflow:hidden;
}
.previewLabel{
  font-size:12px;
  color: var(--muted);
  font-weight:800;
  margin-bottom: 8px;
}
#previewOrig, #canvas{
  display:none;
  width:100%;
  height:auto;
  max-height: 760px;
  object-fit:contain;
}
.previewEmpty{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  color: var(--muted);
  font-size:13px;
  padding: 10px;
  text-align:center;
}
.liveBadge{
  position:absolute;
  top:10px; right:10px;
  font-size:11px;
  font-weight:900;
  padding:6px 10px;
  border-radius: 999px;
  border:1px solid rgba(47,128,255,.25);
  background: rgba(47,128,255,.08);
  color:#2568d8;
}

.footer{
  margin-top: 26px;
  text-align:center;
  color: var(--muted);
  font-size:12px;
}