:root{--color-bg-primary:#0f172a;--color-bg-secondary:#1e293b;--color-bg-tertiary:#334155;--color-text-primary:#f8fafc;--color-text-secondary:#cbd5e1;--color-text-muted:#94a3b8;--color-accent:#3b82f6;--color-accent-hover:#2563eb;--color-accent-subtle:#3b82f61a;--color-border:#334155;--font-family-sans:"Inter", system-ui, -apple-system, sans-serif;--spacing-1:.25rem;--spacing-2:.5rem;--spacing-3:.75rem;--spacing-4:1rem;--spacing-6:1.5rem;--spacing-8:2rem;--spacing-12:3rem;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.5rem;--radius-xl:.75rem;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px 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0;padding:.25rem;font-size:.7rem}.btn-xs{padding:.2rem .5rem;font-size:.7rem}.signature-modal-overlay{z-index:2000;background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.signature-modal{box-sizing:border-box;background:#1e1e1e;border-radius:12px;flex-direction:column;gap:14px;width:90%;max-width:640px;padding:24px;display:flex;box-shadow:0 8px 32px #0006}.signature-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.signature-modal h3{color:#e2e2e2;margin:0;font-size:1.25rem}.signature-tabs{background:#2a2a2a;border-radius:8px;padding:3px;display:inline-flex}.signature-tabs button{color:#bbb;cursor:pointer;background:0 0;border:none;border-radius:6px;min-width:72px;min-height:40px;font-size:.95rem}.signature-tabs button.active{color:#fff;background:#3b82f6}.signature-note{color:#a3a3a3;margin:0;font-size:.85rem}.signature-error{color:#fca5a5;margin:0;font-size:.9rem}.signature-canvas-container{background:#fff;border:2px solid #333;border-radius:8px;height:min(300px,40vh);position:relative;overflow:hidden}.sigCanvas{touch-action:none;width:100%;height:100%;display:block}.signature-baseline{color:#94a3b8;pointer-events:none;border-bottom:1px solid #cbd5e1;font-size:14px;line-height:1;position:absolute;bottom:22%;left:16px;right:16px}.signature-type{flex-direction:column;gap:10px;display:flex}.signature-type input{color:#eee;background:#111;border:1px solid #444;border-radius:8px;min-height:48px;padding:0 12px;font-size:1.1rem}.signature-type-preview{color:#000;white-space:nowrap;background:#fff;border-radius:8px;align-items:center;min-height:110px;padding:0 20px;font-size:clamp(2.2rem,9vw,3.4rem);font-weight:600;display:flex;overflow:hidden}.signature-actions{justify-content:space-between;gap:12px;display:flex}.signature-actions button{min-height:44px;padding:0 16px}.right-actions{gap:12px;display:flex}@media (width<=640px),(height<=480px){.signature-modal{width:100vw;max-width:none;height:100dvh;padding:14px 14px max(14px, env(safe-area-inset-bottom));border-radius:0}.signature-canvas-container{flex:1;height:auto;min-height:160px}.signature-type-preview{flex:1}}.signature-actions .btn-primary{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:8px;font-weight:600}.signature-actions .btn-secondary{color:#e2e2e2;cursor:pointer;background:0 0;border:1px solid #475569;border-radius:8px}