*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color: #0078d4;--primary-hover: #106ebe;--secondary-color: #6c757d;--secondary-hover: #5a6268;--bg-color: #f5f5f5;--card-bg: #ffffff;--text-color: #333333;--text-muted: #666666;--border-color: #e0e0e0;--success-color: #28a745;--font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);line-height:1.6;min-height:100vh}#app{max-width:1200px;margin:0 auto;padding:2rem}header{text-align:center;margin-bottom:2rem}header h1{font-size:2rem;color:var(--primary-color);margin-bottom:.5rem}.subtitle{color:var(--text-muted);font-size:1rem}main{display:grid;grid-template-columns:1fr 1.2fr;gap:2rem}@media(max-width:900px){main{grid-template-columns:1fr}}section{background:var(--card-bg);border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000001a}section h2{font-size:1.25rem;margin-bottom:1.5rem;padding-bottom:.5rem;border-bottom:2px solid var(--primary-color)}.form-group{margin-bottom:1rem}.form-group>label{display:block;font-weight:600;margin-bottom:.25rem;font-size:.875rem}.form-group input[type=text],.form-group input[type=email],.form-group input[type=tel]{width:100%;padding:.625rem .75rem;border:1px solid var(--border-color);border-radius:4px;font-size:.875rem;font-family:inherit;transition:border-color .2s,box-shadow .2s}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #0078d426}.form-group input::placeholder{color:#aaa}.checkbox-group{display:flex;flex-direction:column;gap:.5rem;margin-top:.25rem}.checkbox-label{display:flex;align-items:center;gap:.5rem;font-weight:400;cursor:pointer}.checkbox-label input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--primary-color)}.checkbox-label span{font-size:.875rem}.dual-input{display:flex;gap:.5rem}.dual-input input{flex:1}.signature-preview{background:#fff;border:1px solid var(--border-color);border-radius:4px;padding:1.5rem;min-height:200px;margin-bottom:1rem}.button-group{display:flex;gap:.75rem}.btn{flex:1;padding:.75rem 1.5rem;border:none;border-radius:4px;font-size:.875rem;font-weight:600;cursor:pointer;transition:background-color .2s,transform .1s;font-family:inherit}.btn:active{transform:scale(.98)}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-secondary:hover{background-color:var(--secondary-hover)}.copy-status{text-align:center;margin-top:.75rem;font-size:.875rem;min-height:1.5rem;color:var(--success-color);font-weight:500}.email-signature{font-family:Arial,sans-serif;font-size:11pt;line-height:1.4;color:#000}.email-signature .sig-line{margin:0;font-family:Arial,sans-serif;font-size:11pt}.email-signature .sig-logo{height:24px}