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h2{margin-bottom:20px;color:#333;font-size:1.5rem}.task-form{gap:20px}.form-group,.task-form{display:flex;flex-direction:column}.form-group{gap:8px}.form-group label{font-weight:600;color:#555}.form-group select,.form-group textarea{padding:12px;border:2px solid #e1e5e9;border-radius:8px;font-size:16px;transition:border-color .2s}.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#667eea}.submit-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:15px 30px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px rgba(102,126,234,.4)}.submit-btn:disabled{opacity:.6;cursor:not-allowed}.message{padding:12px;border-radius:8px;font-weight:500}.message.success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.message.error{background-color:#f8d7da;color:#721c24;border:1px solid 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h3{margin-bottom:15px;color:#333;font-size:1.3rem}.user-display{display:flex;flex-direction:column;gap:10px;margin-bottom:15px}.user-item{padding:12px;background:#f8f9fa;border-radius:6px;border-left:3px solid #667eea}.edit-form{display:flex;flex-direction:column;gap:15px}.edit-form .form-group input{padding:10px;border:2px solid #e1e5e9;border-radius:6px;font-size:14px;transition:border-color .2s}.edit-form .form-group input:focus{outline:none;border-color:#667eea}.button-group{display:flex;gap:10px;margin-top:10px}.edit-btn{background:#667eea;color:#fff;border:none;padding:10px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s}.edit-btn:hover{background:#5a6fd8}.save-btn{background:#28a745;color:#fff;border:none;padding:10px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color 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