.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #667eea, #764ba2);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #667eea);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.signature-container{display:grid;grid-template-columns:380px 1fr;gap:28px;margin-bottom:28px}.controls-panel{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:28px;padding:24px;border:1px solid var(--gray-200);box-shadow:0 8px 25px rgba(0,0,0,0.04)}.mode-tabs{display:flex;gap:12px;margin-bottom:24px;background:var(--gray-100);border-radius:60px;padding:4px}.mode-tab{flex:1;background:transparent;border:none;padding:10px 16px;border-radius:50px;cursor:pointer;font-weight:500;transition:all 0.3s;display:flex;align-items:center;justify-content:center;gap:8px}.mode-tab.active{background:white;color:#667eea;box-shadow:0 2px 8px rgba(0,0,0,0.08)}.canvas-container{background:white;border-radius:20px;padding:16px;margin-bottom:16px}#signatureCanvas{width:100%;height:auto;background:white;cursor:crosshair;border-radius:12px;border:2px solid var(--gray-200)}.canvas-tools{display:flex;gap:10px;margin-top:16px;justify-content:center}.icon-btn-sm{background:var(--gray-100);border:none;padding:6px 16px;border-radius:30px;cursor:pointer;font-size:0.8rem;transition:all 0.2s;display:inline-flex;align-items:center;gap:6px}.icon-btn-sm:hover{background:#667eea;color:white}.draw-tip{text-align:center;margin-top:12px;font-size:0.7rem;color:var(--gray-400)}.text-input-group{margin-bottom:20px}.text-input-group label{display:block;font-size:0.75rem;font-weight:600;color:var(--gray-600);margin-bottom:8px}.text-input{width:100%;padding:12px 16px;border:1px solid var(--gray-200);border-radius:40px;font-size:0.9rem;font-family:'Dancing Script',cursive}.text-input:focus{outline:none;border-color:#667eea}.select-input{width:100%;padding:10px 14px;border:1px solid var(--gray-200);border-radius:40px;background:white}.style-section{margin:20px 0;padding:16px;background:var(--gray-50);border-radius:20px}.style-section h4{font-size:0.85rem;margin-bottom:16px;display:flex;align-items:center;gap:8px}.style-row{margin-bottom:16px}.style-row label{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:8px}.style-row input[type="range"]{width:100%}.color-options{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.color-btn{width:36px;height:36px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:all 0.2s}.color-btn:hover{transform:scale(1.1);border-color:white;box-shadow:0 0 0 2px var(--gray-400)}.color-btn.active{border-color:white;box-shadow:0 0 0 2px #667eea}.custom-color-btn{background:var(--gray-200);display:flex;align-items:center;justify-content:center;color:var(--gray-600)}.generate-btn{width:100%;padding:14px;margin-top:8px;border-radius:50px;background:linear-gradient(135deg, #667eea, #764ba2)}.preview-panel{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:28px;padding:24px;border:1px solid var(--gray-200);box-shadow:0 8px 25px rgba(0,0,0,0.04)}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--gray-200)}.preview-header h4{font-size:1rem;display:flex;align-items:center;gap:8px}.preview-actions{display:flex;gap:10px}.action-btn-sm{background:var(--gray-100);border:none;padding:6px 16px;border-radius:30px;cursor:pointer;font-size:0.75rem;transition:all 0.2s;display:inline-flex;align-items:center;gap:6px}.action-btn-sm:hover{background:#667eea;color:white}.signature-preview{background:white;border-radius:20px;padding:20px;display:flex;justify-content:center;align-items:center;min-height:250px;border:2px dashed var(--gray-200);transition:all 0.3s}.signature-preview canvas{max-width:100%;height:auto}.preview-info{text-align:center;margin-top:16px;font-size:0.7rem;color:var(--gray-400)}.examples-section{margin-top:20px}.examples-grid{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.example-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;cursor:pointer;font-size:0.8rem;transition:all 0.2s}.example-btn:hover{background:#667eea;color:white;border-color:#667eea}@media (max-width:900px){.signature-container{grid-template-columns:1fr}.controls-panel{order:2}.preview-panel{order:1}}@media (max-width:480px){.preview-header{flex-direction:column;gap:12px}.canvas-tools{flex-wrap:wrap}.color-options{justify-content:center}}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}