:root{
  --page-w: 210mm;
  --page-h: 297mm;
  /* Print/template palette (keep stable) */
  --ink: #1b1b1b;
  --line: #bdbdbd;

  /* Control UI palette */
  --ui-ink: #111111;
  --ui-muted: rgba(60, 60, 67, .6);
  --ui-line: rgba(60, 60, 67, .22);
  --ui-surface: rgba(255, 255, 255, .78);
  --ui-surface-2: rgba(255, 255, 255, .92);
  --ui-blue: #007aff;
  --ui-blue-press: #0063cc;
  --ui-radius: 16px;
  --ui-radius-sm: 12px;
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #f4f5f7;
}

.toolbar{
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--ui-surface);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--ui-line);
  color: var(--ui-ink);
  padding: 14px 14px 12px;
}
.toolbar__row{
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
}
.toolbar__row + .toolbar__row{ margin-top: 10px; }
.toolbar__field{
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--ui-muted);
}
.toolbar__field--grow{ flex: 1 1 280px; }
.toolbar__field > span{
  letter-spacing: .2px;
}
.toolbar input[type="text"]{
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--ui-radius-sm);
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-2);
  color: var(--ui-ink);
  box-shadow: 0 1px 0 rgba(0,0,0,.02);
}
.toolbar textarea{
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--ui-radius-sm);
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-2);
  color: var(--ui-ink);
  resize: vertical;
  line-height: 1.35;
}
.toolbar select{
  padding: 8px 10px;
  border-radius: var(--ui-radius-sm);
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-2);
  color: var(--ui-ink);
}
.toolbar input[type="file"]{
  max-width: 360px;
  color: var(--ui-ink);
}
.toolbar input[type="file"]::file-selector-button{
  margin-right: 10px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-2);
  color: var(--ui-ink);
  cursor: pointer;
}
.toolbar input[type="file"]::file-selector-button:hover{
  border-color: rgba(60,60,67,.35);
}
.toolbar input[type="text"]:focus,
.toolbar textarea:focus,
.toolbar select:focus{
  outline: none;
  border-color: rgba(0,122,255,.55);
  box-shadow: 0 0 0 4px rgba(0,122,255,.18);
}
.toolbar__check{
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  user-select: none;
  color: var(--ui-ink);
}
.toolbar__check input[type="checkbox"]{
  appearance: none;
  -webkit-appearance: none;
  width: 46px;
  height: 28px;
  border-radius: 14px;
  border: 1px solid var(--ui-line);
  background: rgba(120,120,128,.16);
  position: relative;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease;
}
.toolbar__check input[type="checkbox"]::after{
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 6px 14px rgba(0,0,0,.14);
  transition: transform .18s ease;
}
.toolbar__check input[type="checkbox"]:checked{
  background: var(--ui-blue);
  border-color: rgba(0,122,255,.55);
}
.toolbar__check input[type="checkbox"]:checked::after{
  transform: translateX(18px);
}
.toolbar__check input[type="checkbox"]:focus{
  outline: none;
  box-shadow: 0 0 0 4px rgba(0,122,255,.18);
}
.btn{
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-2);
  color: var(--ui-ink);
  cursor: pointer;
  font-weight: 600;
  letter-spacing: .2px;
  box-shadow: 0 1px 0 rgba(0,0,0,.02);
}
.btn:hover{ border-color: rgba(60,60,67,.35); }
.btn:active{ transform: translateY(1px); }
.btn--primary{
  background: var(--ui-blue);
  border-color: rgba(0,122,255,.55);
  color: #fff;
}
.btn--primary:hover{ background: var(--ui-blue-press); }
.btn:disabled{
  opacity: .55;
  cursor: not-allowed;
}
.toolbar__hint{
  font-size: 12px;
  color: var(--ui-muted);
  margin-left: auto;
  min-height: 1em;
}

.pages{
  padding: 16px 0 40px;
  display: grid;
  gap: 14px;
  justify-content: center;
}

.page{
  width: var(--page-w);
  height: var(--page-h);
  background: #fff;
  box-shadow: 0 8px 30px rgba(0,0,0,.10);
  position: relative;
  overflow: hidden;
}

.page__title{
  position: absolute;
  top: 7mm;
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .5px;
}

.page__project{
  position: absolute;
  top: 15.2mm;
  left: 5mm;
  right: 5mm;
  display: flex;
  gap: 6px;
  align-items: baseline;
  font-size: 12.5px;
}
.page__project label{ white-space: nowrap; }
.page__project input{
  flex: 1;
  border: none;
  outline: none;
  border-bottom: 1px solid transparent;
  padding: 2px 4px;
  font-size: 12.5px;
}
.page__project input:focus{ border-bottom-color: var(--line); }

.outer{
  position: absolute;
  border: 1px solid var(--line);
  pointer-events: none;
}
.slot{
  position: absolute;
  border: 1px solid var(--line);
  overflow: hidden;
  background: #fff;
}
.slot__media{
  width: 100%;
  height: 100%;
  display: block;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}
.slot--cover .slot__media{ background-size: cover; }

.slot--text{
  padding: 2mm;
}
.slot--text .slot__text{
  width: 100%;
  height: 100%;
  border: none;
  outline: none;
  font-size: 11.5px;
  line-height: 1.35;
  background: transparent;
  white-space: pre-wrap;
  overflow: hidden;
}

.slot__no{
  position: absolute;
  top: 3mm;
  left: 3mm;
  font-size: 16px;
  font-weight: 700;
  color: rgba(0,0,0,.55);
  padding: 1mm 2mm;
  border-radius: 3mm;
  background: rgba(255,255,255,.6);
  border: 1px solid rgba(0,0,0,.08);
}
.slot__no.is-hidden{ display: none; }

.slot__pdfNote{
  position: absolute;
  inset: auto 2mm 2mm 2mm;
  font-size: 10px;
  color: rgba(0,0,0,.75);
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 6px;
  padding: 1.5mm 2mm;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.opinion{
  position: absolute;
  border: 1px solid var(--line);
  overflow: hidden;
  background: #fff;
}
.opinion__label{
  position: absolute;
  left: 2.3mm;
  top: 1.7mm;
  width: auto;
  text-align: left;
  white-space: nowrap;
  font-size: 11.5px;
  color: #333;
  pointer-events: none;
}
.opinion textarea{
  position: absolute;
  inset: 9mm 2mm 2mm 2mm;
  border: none;
  outline: none;
  resize: none;
  font-size: 12px;
  line-height: 1.45;
  padding: 0;
}

.footer{
  position: absolute;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: flex-start;
  padding-top: .4mm;
  font-size: 8px;
  line-height: 1.05;
  color: #333;
}
.footer span{
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.footer__left{ text-align: left; justify-self: start; }
.footer__center{ text-align: center; justify-self: center; }
.footer__right{ text-align: right; justify-self: end; }

@page{
  size: A4;
  margin: 0;
}

@media print{
  body{ background: #fff; }
  body{ -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .toolbar{ display: none !important; }
  .pages{ padding: 0; gap: 0; }
  .page{
    box-shadow: none;
    margin: 0;
    page-break-after: always;
  }
  .page:last-child{ page-break-after: auto; }
  .slot__no{ display: none !important; }
  .slot__pdfNote{ display: none !important; }
  input::placeholder, textarea::placeholder{ color: transparent !important; }
}

@media (prefers-color-scheme: dark){
  :root{
    --ui-ink: #f2f2f7;
    --ui-muted: rgba(235, 235, 245, .6);
    --ui-line: rgba(235, 235, 245, .18);
    --ui-surface: rgba(28, 28, 30, .78);
    --ui-surface-2: rgba(44, 44, 46, .92);
  }
  body{ background: #000; }
}