.signature-upload-preview{width:460px;max-width:calc(100vw - 32px);max-height:85vh;margin:auto;padding:20px;border:1px solid var(--border,#d8dee8);border-radius:14px;background:var(--surface,#fff);color:var(--text,#172033);overflow:auto;box-shadow:0 20px 60px #10182840}
.signature-upload-preview::backdrop{background:#10182880}
.signature-upload-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}
.signature-upload-heading h2{margin:0;font-size:18px;font-weight:650;color:var(--text,#172033)}
.signature-upload-heading p{margin:5px 0 0;font-size:12px;color:var(--muted,#667085);overflow-wrap:anywhere}
.signature-upload-heading button{display:grid;place-items:center;flex:none;width:28px;min-height:28px;padding:5px;border:0;background:transparent;color:var(--muted,#667085)}
.signature-upload-heading svg{width:17px;height:17px}
.signature-upload-canvas{display:grid;place-items:center;min-height:160px;padding:22px;border:1px solid var(--border,#d8dee8);border-radius:10px;background-color:#fff;background-image:linear-gradient(45deg,#e8ecf1 25%,transparent 25%),linear-gradient(-45deg,#e8ecf1 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e8ecf1 75%),linear-gradient(-45deg,transparent 75%,#e8ecf1 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}
.signature-upload-canvas img{display:block;width:auto;max-width:100%;height:auto;max-height:220px;object-fit:contain}
.signature-upload-help{font-size:12px;line-height:1.6;color:var(--muted,#667085);margin:12px 0 16px}
.signature-upload-actions{display:flex;justify-content:flex-end;gap:8px;padding-top:14px;border-top:1px solid var(--border,#d8dee8)}
.signature-upload-actions button{min-height:36px;padding:7px 13px;font-size:12px;border-radius:8px}
@media(max-width:480px){.signature-upload-preview{padding:16px}.signature-upload-canvas{padding:16px;min-height:130px}}

.signature-crop-surface{position:relative;display:inline-block;max-width:100%;line-height:0;overflow:hidden;cursor:crosshair;touch-action:none;user-select:none}
.signature-crop-surface img{pointer-events:none}
.signature-crop-selection{position:absolute;border:2px solid #2563eb;box-shadow:0 0 0 999px #0f172a55;pointer-events:none;box-sizing:border-box}
.signature-crop-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:9px;color:var(--muted,#667085);font-size:11px;line-height:1.5}
.signature-crop-tools button{flex-shrink:0;min-height:30px;padding:4px 8px;font-size:11px;background:var(--surface-soft,#f4f6f9);color:var(--text,#172033)}


.signature-upload-actions button.primary{border:1px solid var(--primary,#2563eb);background:var(--primary,#2563eb);color:var(--on-primary,#fff)}
.signature-upload-actions button.primary:hover{border-color:var(--primary-hover,#1d4ed8);background:var(--primary-hover,#1d4ed8);color:var(--on-primary,#fff)}
.signature-upload-preview button:focus-visible{outline:2px solid var(--blue,#2563eb);outline-offset:2px}