.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, #f59e0b, #d97706);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, #f59e0b);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.drawing-container{display:grid;grid-template-columns:260px 1fr;gap:24px;margin-bottom:24px}.tools-sidebar{background:linear-gradient(135deg, #fff, #fafafc);border-radius:24px;padding:20px;border:1px solid var(--gray-200)}.tool-section{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--gray-200)}.tool-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.tool-section h4{font-size:0.85rem;margin-bottom:12px;color:var(--gray-700);display:flex;align-items:center;gap:8px}.tool-buttons{display:grid;grid-template-columns:repeat(2, 1fr);gap:8px}.tool-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:10px 8px;border-radius:12px;cursor:pointer;transition:all 0.2s;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:0.7rem;color:var(--gray-600)}.tool-btn i{font-size:1.1rem}.tool-btn.active{background:linear-gradient(135deg, #f59e0b, #d97706);border-color:#f59e0b;color:white;box-shadow:0 2px 8px rgba(245,158,11,0.3)}.tool-btn:hover:not(.active){background:var(--gray-200);transform:translateY(-2px)}.color-picker,.size-control{margin-bottom:12px}.color-picker label,.size-control label{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:6px}#penColor{width:100%;height:40px;border:1px solid var(--gray-200);border-radius:12px;cursor:pointer}.size-control{display:flex;flex-direction:column;gap:6px}#penSize{width:100%}#penSizeValue{font-size:0.7rem;color:#f59e0b;text-align:center}.action-buttons{display:flex;flex-direction:column;gap:8px}.action-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:10px 12px;border-radius:12px;cursor:pointer;transition:all 0.2s;display:flex;align-items:center;justify-content:center;gap:8px;font-size:0.8rem;color:var(--gray-700)}.action-btn:hover{background:var(--gray-200);transform:translateX(4px)}.bg-controls{display:flex;flex-direction:column;gap:8px}.bg-controls label{display:flex;align-items:center;gap:8px;font-size:0.8rem;cursor:pointer}#bgColor{width:100%;height:36px;border:1px solid var(--gray-200);border-radius:10px}.canvas-area{background:var(--gray-50);border-radius:24px;padding:20px;border:1px solid var(--gray-200)}.canvas-wrapper{display:flex;justify-content:center;align-items:center;background:#f0f0f0;border-radius:16px;overflow:auto;padding:10px}#drawCanvas{background:white;cursor:crosshair;box-shadow:0 4px 15px rgba(0,0,0,0.08)}.canvas-info{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:0.7rem;color:var(--gray-500);padding:8px 12px;background:white;border-radius:30px}.cursor-pos{font-family:monospace}.info-section{margin-top:20px}.divider{display:flex;align-items:center;gap:12px;margin-bottom:16px}.divider span{font-size:0.85rem;font-weight:500;color:var(--gray-600)}.divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:16px;background:var(--gray-50);border-radius:20px}.info-item{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--gray-600)}.info-item i{color:#f59e0b}.text-modal{position:fixed;top:50%;left:50%;transform:translate(-50%, -50%);background:white;border-radius:24px;padding:24px;box-shadow:0 25px 50px -12px rgba(0,0,0,0.25);z-index:1000;width:320px;animation:fadeIn 0.2s ease}.text-modal h3{margin-bottom:16px;font-size:1.1rem}.text-modal input{width:100%;padding:12px;border:1px solid var(--gray-300);border-radius:12px;margin-bottom:16px}.text-modal .modal-buttons{display:flex;gap:12px;justify-content:flex-end}.text-modal .modal-buttons button{padding:8px 20px;border-radius:30px;cursor:pointer}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:999}@media (max-width:900px){.drawing-container{grid-template-columns:1fr}.tool-buttons{grid-template-columns:repeat(4, 1fr)}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.tool-buttons{grid-template-columns:repeat(3, 1fr)}.info-grid{grid-template-columns:1fr}.canvas-info{flex-direction:column;gap:8px;text-align:center}}@keyframes fadeIn{from{opacity:0;transform:translate(-50%, -48%)}to{opacity:1;transform:translate(-50%, -50%)}}