.quote-signatures { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.signature-item { min-width: 0; border: 1px solid var(--line); border-radius: 8px; padding: 14px; background: #fff; }
.signature-item h3 { margin: 0; font-size: 14px; }
.signature-signer { display: block; min-height: 22px; margin: 4px 0 8px; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.signature-thumbnail { height: 94px; display: grid; place-items: center; border-bottom: 1px solid var(--line); margin-bottom: 10px; overflow: hidden; background: #fafbfc; }
.signature-thumbnail img { width: 100%; height: 100%; max-height: 94px; object-fit: contain; padding: 8px; box-sizing: border-box; }
.signature-thumbnail span { font-size: 12px; color: var(--muted); }
.signature-item-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.signature-command, .signature-icon-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border: 1px solid #d0d7df; border-radius: 6px; background: #fff; color: #253445;
  font: inherit; font-size: 13px; font-weight: 600; box-shadow: none; cursor: pointer; padding: 9px 11px; line-height: 1.35;
}
.signature-command svg, .signature-icon-button svg { width: 18px; height: 18px; flex: 0 0 auto; }
.signature-icon-button { width: 38px; height: 38px; padding: 8px; flex: 0 0 auto; }
.signature-command:hover, .signature-icon-button:hover { background: #eef3f7; }
.signature-command:focus-visible, .signature-icon-button:focus-visible { outline: 2px solid #247b79; outline-offset: 2px; }
.signature-command:disabled, .signature-icon-button:disabled { opacity: 0.4; cursor: not-allowed; }
.signature-primary { background: #1f6b60; border-color: #1f6b60; color: #fff; }
.signature-primary:hover { background: #17574e; }
.signature-remove { color: #b72a33; margin-left: auto; }
.user-signature-editor { grid-column: 1 / -1; min-width: 0; border-top: 1px solid var(--line); padding-top: 12px; }
.user-signature-editor > strong { font-size: 13px; }
.user-signature-editor .signature-thumbnail { max-width: 340px; margin-top: 8px; }
.user-signature-editor button { grid-column: auto; }
.signature-editor {
  width: min(1050px, calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 32px);
  margin: auto; padding: 0; border: 1px solid #d0d7df; border-radius: 8px; background: #fff; color: #253445;
  box-shadow: 0 16px 60px #17202b40; overflow: auto; font-family: inherit;
}
.signature-editor::backdrop { background: #18253399; }
.signature-editor [hidden] { display: none !important; }
.signature-editor-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; padding: 18px 20px; border-bottom: 1px solid #e0e5eb; }
.signature-editor-head h2 { font-size: 18px; margin: 0 0 4px; }
.signature-editor-head span { font-size: 12px; color: #687581; }
.signature-editor-tools { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 12px 20px; }
.signature-tool-group { display: flex; gap: 5px; }
.signature-editor-body { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 16px; padding: 0 20px; }
.signature-crop-stage { position: relative; height: min(48dvh, 480px); min-height: 220px; background: #e7ecf0; overflow: hidden; border: 1px solid #cdd5dd; }
.signature-crop-stage > img { display: block; max-width: 100%; }
.signature-crop-stage > span { position: absolute; inset: 0; display: grid; place-items: center; color: #647585; font-size: 14px; }
.signature-editor-options { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.signature-editor-options > strong { font-size: 14px; }
.signature-crop-preview {
  display: grid; place-items: center; height: 120px; border: 1px solid #dae0e6; overflow: hidden;
  background-color: #fff; background-image: conic-gradient(#e8edf1 25%, #fff 0 50%, #e8edf1 0 75%, #fff 0); background-size: 16px 16px;
}
.signature-crop-preview img { width: 100%; height: 100%; max-height: 120px; object-fit: contain; padding: 8px; box-sizing: border-box; }
.signature-toggle { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.signature-toggle input { width: 17px; height: 17px; accent-color: #1f6b60; margin: 0; }
.signature-threshold { display: grid; gap: 10px; font-size: 12px; }
.signature-threshold input { width: 100%; padding: 0; accent-color: #1f6b60; box-shadow: none; }
.signature-editor-error { min-height: 20px; margin: 8px 20px; color: #a72c34; font-size: 13px; }
.signature-editor-footer { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 20px; border-top: 1px solid #e0e5eb; }
@media (max-width: 900px) { .quote-signatures { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .quote-signatures { grid-template-columns: 1fr; }
  .signature-editor { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); }
  .signature-editor-head, .signature-editor-tools, .signature-editor-footer { padding: 12px; }
  .signature-editor-body { grid-template-columns: 1fr; padding: 0 12px; }
  .signature-crop-stage { height: 32dvh; }
  .signature-editor-options { display: grid; grid-template-columns: 1fr 1fr; align-items: center; }
  .signature-editor-options > strong { grid-column: 1 / -1; }
  .signature-crop-preview { grid-row: span 2; height: 85px; }
  .signature-crop-preview img { max-height: 85px; }
}
@media print {
  .signature-editor { display: none !important; }
  .print-signature-image-slot { height: 8mm; display: flex; align-items: center; justify-content: center; overflow: hidden; }
  .print-signature-image-slot img { display: block; max-width: 100%; width: auto; height: auto; max-height: 8mm; object-fit: contain; }
  .signature-box .signature-line { margin-top: 0; min-height: 4.7mm; }
  .purchase-line { position: relative; }
  .purchase-line img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: contain; }
}