.card-tool-shell {
  min-height: calc(100vh - 120px);
  padding: 24px;
  background: #eef4f8;
}

.card-tool-app {
  max-width: 1440px;
  margin: 0 auto;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #d8e2ec;
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.12);
}

.card-tool-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  color: #ffffff;
  background: #0f766e;
}

.card-tool-head h1 {
  margin: 0 0 5px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0;
}

.card-tool-head p {
  max-width: 820px;
  margin: 0;
  color: #dcfce7;
}

.card-tool-actions,
.cropper-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-tool-workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}

.card-tool-panel {
  padding: 20px;
  background: #f8fafc;
  border-right: 1px solid #d8e2ec;
}

.card-tool-panel h2,
.source-preview-card h2,
.adjustment-card h2,
.card-preview-box h2,
.print-output-box h2 {
  margin: 0 0 12px;
  color: #0f172a;
  font-size: 17px;
  font-weight: 800;
}

.card-tool-panel .form-label,
.adjustment-grid label {
  width: 100%;
  color: #334155;
  font-size: 13px;
  font-weight: 800;
}

.card-upload-box {
  display: grid;
  place-items: center;
  min-height: 150px;
  margin-bottom: 14px;
  padding: 18px;
  color: #ffffff;
  text-align: center;
  background: #2563eb;
  border: 2px dashed #bfdbfe;
  border-radius: 8px;
  cursor: pointer;
}

.card-upload-box input {
  display: none;
}

.card-upload-box span {
  display: block;
  font-size: 18px;
  font-weight: 800;
}

.card-upload-box small {
  color: #dbeafe;
  font-weight: 700;
}

.card-page-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: #475569;
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.card-tool-main {
  min-width: 0;
  padding: 20px;
}

.card-tool-status {
  margin-bottom: 16px;
  padding: 12px 14px;
  color: #0f5132;
  font-weight: 800;
  background: #dcfce7;
  border: 1px solid #86efac;
  border-radius: 8px;
}

.source-preview-card,
.adjustment-card,
.card-preview-box,
.print-output-box {
  min-width: 0;
  padding: 16px;
  background: #f8fafc;
  border: 1px solid #d8e2ec;
  border-radius: 8px;
}

.source-preview-card,
.adjustment-card,
.print-output-box {
  margin-bottom: 18px;
}

.aadhaar-print-page .aadhaar-source-preview-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.aadhaar-print-page .aadhaar-source-preview-hidden .source-preview-box,
.aadhaar-print-page .aadhaar-source-preview-hidden #cardSourcePreview {
  min-height: 1px;
}

.tool-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.tool-section-head h2 {
  margin-bottom: 0;
}

.source-preview-box {
  min-height: 420px;
  max-height: 72vh;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
}

#cardSourcePreview {
  display: block;
  max-width: 100%;
  min-height: 420px;
  object-fit: contain;
}

.adjustment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

#frontCardCanvas,
#backCardCanvas,
#finalOutputCanvas {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid #cbd5e1;
}

#frontCardCanvas,
#backCardCanvas {
  width: min(100%, 430px);
  aspect-ratio: 1.585 / 1;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

#frontCardCanvas.is-moving,
#backCardCanvas.is-moving {
  cursor: grabbing;
}

#finalOutputCanvas {
  width: min(100%, 920px);
  min-height: 260px;
}

@media (max-width: 1080px) {
  .card-tool-head,
  .card-tool-workspace,
  .card-preview-grid,
  .adjustment-grid {
    grid-template-columns: 1fr;
  }

  .card-tool-head {
    display: grid;
  }

  .card-tool-panel {
    border-right: 0;
    border-bottom: 1px solid #d8e2ec;
  }
}

@media (max-width: 640px) {
  .card-tool-shell {
    padding: 12px;
  }

  .card-tool-head,
  .card-tool-panel,
  .card-tool-main,
  .source-preview-card,
  .adjustment-card,
  .card-preview-box,
  .print-output-box {
    padding: 14px;
  }

  .card-tool-head h1 {
    font-size: 22px;
  }

  .source-preview-box,
  #cardSourcePreview {
    min-height: 300px;
  }
}